ES2206607T3 - Derivados de epotilones, preparacion y utilizacion. - Google Patents
Derivados de epotilones, preparacion y utilizacion.Info
- Publication number
- ES2206607T3 ES2206607T3 ES96939097T ES96939097T ES2206607T3 ES 2206607 T3 ES2206607 T3 ES 2206607T3 ES 96939097 T ES96939097 T ES 96939097T ES 96939097 T ES96939097 T ES 96939097T ES 2206607 T3 ES2206607 T3 ES 2206607T3
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/22—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D277/30—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/08—Bridged systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
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- Organic Chemistry (AREA)
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- Wood Science & Technology (AREA)
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- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
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- Bioinformatics & Cheminformatics (AREA)
- Transplantation (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
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- Silicon Polymers (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Pyrane Compounds (AREA)
Abstract
LA PRESENTE INVENCION TRATA DE UNOS DERIVADOS DE EPOTILONA Y SU EMPLEO.
Description
Derivados de epotilones, preparación y
utilización.
El presente invento se refiere a derivados de
epotilones de las Fórmulas generales 3 y 6 que se representan
seguidamente así como a agentes terapéuticos y agentes destinados a
la protección de plantas con estos derivados de epotilones.
En las Fórmulas 3 y 6 precedentes significan:
| R = | H, alquilo C_{1-4}, |
| R^{1}, R^{2} = | H, alquilo C_{1-6}, |
| acilo C_{1-6}, | |
| benzoílo, | |
| tri-alquil C_{1-4}-sililo, | |
| bencilo, | |
| fenilo, | |
| bencilo o fenilo sustituido con | |
| alcoxi C_{1-6}, alquilo C_{6}, hidroxi y halógeno, |
pudiendo también dos de los radicales R^{1}
hasta R^{5} reunirse para formar la agrupación
(CH_{2})_{m} con n = 1 a 6 y en el caso de los grupos
alquilo o acilo contenidos en los radicales se trata de radicales
lineales o ramificados;
Y y Z son o bien iguales o diferentes y
representan en cada caso hidrógeno, un halógeno, tal como F, Cl, Br
ó I, un pseudohalógeno, tal como -NCO, -NCS ó -N_{3}, OH,
O-acilo (C_{1-6}),
O-alquilo (C_{1-6}),
O-benzoílo. Y y Z pueden ser también el átomo de O
de un epóxido, no reivindicándose los epotilones A y B, o forman
uno de los enlaces C-C de un doble enlace C=C.
En la Fórmula 3, X representa en general
-C(O)-, -C(S)-, -S(O)-, -CR^{1}R^{2}-
y
-SiR_{2}-, teniendo R^{1} y R^{2} los
significados que antes se indican y teniendo
R el significado que antes se indica.
Para los epotilones A y B se ha de remitir al
documento de solicitud de patente alemana
DE-A-41.38.042.
Las reacciones de los epotilones A y B con
reactivos electrófilos bifuncionales, tales como
(tio)fosgeno,
(tio)carbonil-diimidazol, cloruro de
tionilo, dicloruros o bien bis-triflatos de
dialquil-sililo, proporcionan compuestos de la
Fórmula general 3. Como bases auxiliares sirven en tal caso
piridina, trialquil-aminas, eventualmente junto a
DMAP o bien 2,6-lutidina, en el seno de un
disolvente no prótico. Los 3,7-acetales de la
Fórmula general 3 se forman por transacetilación p.ej. de
dimetil-acetales en presencia de un catalizador de
carácter ácido.
Los compuestos de la Fórmula general 6 se
obtienen a partir de derivados de los epotilones A y B, en los que
el grupo 7-OH está protegido mediante grupos acilo
o de éter, mediante el recurso de que el grupo 3-OH
p.ej. se formila, mesila o tosila, y a continuación se elimina por
tratamiento con una base, p.ej. DBU. La liberación de los grupos
7-OH se efectúa, en el caso de
O-formilo, mediante una mezcla de NH_{3} y MeOH,
y en el caso de
O-p-metoxi-bencilo
mediante DDQ.
Para la preparación de los compuestos conformes
al invento, se puede partir también del epotilón C ó D, pudiéndose
remitir acerca de la derivatización a los métodos de derivatización
precedentemente descritos. En tal caso, el doble enlace en 12,13 se
puede hidrogenar selectivamente, por ejemplo de manera catalítica o
con una diimina; o se puede epoxidar, por ejemplo con
dimetil-dioxirano o con un perácido; o se puede
transformar en los di-halogenuros,
di-pseudohalogenuros o
di-aziduros.
El invento se refiere además a agentes destinados
a la protección de plantas en agricultura, silvicultura y/o
jardinería, que consta de uno o varios de los derivados de
epotilones precedentemente expuestos o bien que consta de uno o
varios de los derivados de epotilones precedentemente expuestos,
junto a uno o varios vehículos y/o agentes diluyentes.
Finalmente, el invento se refiere a agentes
terapéuticos, que constan de uno o varios de los compuestos
precedentemente expuestos, o de uno o varios de los compuestos
precedentemente expuestos junto a uno o varios vehículo(s)
y/o agente(s) diluyente(s) usuales. Estos agentes
pueden mostrar en particular actividades citotóxicas o producir una
supresión inmunitaria y/o emplearse para la represión de tumores
malignos, pudiendo utilizarse ellos, de modo especialmente
preferido, como agentes citostáticos.
El invento se ilustra y describe con mayor
detalle a continuación por medio de la descripción de algunos
selectos Ejemplos de realización.
Compuesto 3a-d (los
a-d son
estereoisómeros)
100 mg (0,203 mol) de epotilón se disuelven en 3
ml de piridina, se mezclan con 50 \mul (0,686 mmol) de cloruro de
tionilo y se agitan durante 15 minutos a la temperatura ambiente. A
continuación, se mezclan con un tampón de fosfato 1 M de pH 7 y la
fase acuosa se extrae cuatro veces con acetato de etilo. Las fases
orgánicas reunidas se lavan con una solución saturada de cloruro de
sodio, se secan sobre sulfato de sodio y se liberan con respecto
del disolvente. La purificación del producto bruto y la separación
de los cuatro estereoisómeros 3a-d se efectúa con
ayuda de una cromatografía preparativa de capas (agente eluyente:
mezcla de tolueno y metanol, 90:10).
Compuesto
3a
Rendimiento: 4 mg (12%)
R_{f} (mezcla de tolueno y metanol,
90:10): 0,50
| IR (Película): ny = | 2961 (m, b, Sch), 1742 (vs), 1701 (vs), |
| 1465 (m, Sch), 1389 (m, Sch), 1238 (s, Sch), | |
| 1210 (vs, Sch), 1011 (s, Sch), 957 (s, b, Sch), | |
| 808 (m, Sch), 768 (s, Sch) cm^{-1} |
UV (en metanol): lambda _{max} (lg
épsilon) = 210 (4,50), 248 (4,35) nm.
| MS (20/70 eV): m/e (%) = | 539 (40 [M^{+}]), 457 (22), 362 (16), 316 (27), |
| 222 (30), 178 (30), 164 (100), 151 (43), 96 (38), | |
| 69 (29), 55 (28), 43 (20). |
Alta resolución:
C_{26}H_{37}O_{7}NS_{2} calculado: 539,2011 para
[M^{+}]
Compuesto
3b
Rendimiento: 14 mg (13%)
R_{f} (mezcla de tolueno y metanol,
90:10): 0,50
| IR (Película): ny = | 2963 (s, br, Sch), 1740 (vs), 1703 (vs), |
| 1510 (w), 1464 (m, br, Sch), 1389 (m, Sch), | |
| 1240 (s, br, Sch), 1142 (m), 1076 (w), 1037 (w), | |
| 1003 (m), 945 (s, br, Sch), 806 (m, Sch), 775 (s), | |
| 737 (m) cm^{-1} |
UV (en metanol): lambda _{max} (lg
épsilon) = 211 (4,16), 250 (4,08) nm.
| MS (20/70 eV): m/e (%) = | 539 (27 [M^{+}]), 475 (17), 322 (41), 306 (67), |
| 222 (16), 206 (17), 194 (19), 178 (32), 164 (100), | |
| 151 (33), 125 (18), 113 (15), 96 (39), 81 (23), | |
| 64 (58), 57 (42), 41 (19). |
| Alta resolución: C_{26}H_{37}O_{7}NS_{2} | calculado: 539,2011 para [M^{+}] |
| encontrado: 539,1998 |
Compuesto
3c
Rendimiento: 4 mg (4%)
Rf (mezcla de tolueno y metanol, 90:10):
0,38
| MS (20/70 eV): m/e (%) = | 539 (51 [M^{+}]), 322 (22), 306 (53), 222 (36), |
| 178 (31), 164 (100), 151 (41), 96 (25), 81 (20), | |
| 69 (26), 55 (25), 41 (25). |
| Alta resolución: C_{26}H_{37}O_{7}NS_{2} | calculado: 539,2011 para [M^{+}] |
| encontrado: 539,2001 |
Compuesto
3d
Rendimiento: 1 mg (1%)
Rf (mezcla de tolueno y metanol, 90:10):
0,33
| MS (20/70 eV): m/e (%) = | 539 (69 [M^{+}]), 322 (35), 306 (51), 222 (41), |
| 178 (31), 164 (100), 151 (46), 96 (31), 81 (26), | |
| 69 (34), 55 (33), 41 (35). |
| Alta resolución: C_{26}H_{37}O_{7}NS_{2} | calculado: 539,2011 para [M^{+}] |
| encontrado: 539,1997 |
Compuesto
6a
10 mg (0,018 mmol) de
3,7-di-O-formil-epotilón
A se disuelven en 1 ml de diclorometano, se mezclan con 27 \mul
(0,180 mmol) de 1,8-diaza-biciclo
[5.4.0] undec-7-eno (DBU) y se
agitan durante 60 minutos a la temperatura ambiente.
Para el tratamiento la mezcla de reacción se
reúne con un tampón 1 M de dihidrógeno-fosfato de
sodio de pH 4,5 y la fase acuosa se extrae cuatro veces con acetato
de etilo. Las fases orgánicas reunidas se lavan con una solución
saturada de cloruro de sodio, se secan sobre sulfato de sodio y se
liberan con respecto del disolvente. Después de haber eliminado el
disolvente, el resultante producto bruto se disuelve en 1 ml de
metanol, se mezcla con 200 \mul de una solución amoniacal de
metanol (2 mmol de NH_{3} / ml de metanol) y se agita durante una
noche a la temperatura ambiente. Para el tratamiento, el disolvente
se elimina en vacío.
Rendimiento: 4 mg (22%)
R_{f} (mezcla de diclorometano y acetona
85:15): 0,46
| IR (Película): ny = | 3445 (w, br, Sch), 2950 (vs, br, Sch), |
| 1717 (vs, Sch), 1644 (w), 1466 (m, Sch), | |
| 1370 (m, Sch), 1267 (s, br, Sch), 1179 (s, Sch), | |
| 984 (s, Sch), 860 (w), 733 (m) cm^{-1} |
UV (en metanol): lambda _{max} (lg
épsilon) = 210 (4,16) nm.
| MS (20/70 eV): m/e (%) = | 475 (28 [M^{+}]), 380 (21), 322 (37), 318 (40) |
| 304 (66), 178 (66), 166 (100), 151 (29), 140 (19), | |
| 96 (38), 81 (20), 57 (26). |
| Alta resolución: C_{26}H_{37}O_{5}NS_{2} | calculado: 475,2392 para [M^{+}] |
| encontrado: 475,2384 |
Compuesto
6b
50 mg (0,091 mmol) de
3,7-di-O-formil-epotilón
A (se disuelven en 1 ml de dicloroetano, se mezclan con 2 ml (0,13
mol) de 1,8-diaza-biciclo [5.4.0]
undec- 7-eno (DBU) y se agitan a 90ºC durante 12
horas.
Para el tratamiento, la mezcla de reacción se
reúne con un tampón 1 M de dihidrógeno-fosfato de
sodio de pH 4,5 y la fase acuosa se extrae cuatro veces con acetato
de etilo. Las fases orgánicas reunidas se lavan con una solución
saturada de cloruro de sodio, se secan sobre sulfato de sodio y se
liberan del disolvente.
La purificación del producto bruto que consta de
dos compuestos se efectúa mediante una cromatografía preparativa de
capas (agente eluyente mezcla de diclorometano y acetona
90:10).
Rendimiento: 7 mg (15%)
Código de sustancia
R_{f} (mezcla de diclorometano y acetona
90:10): 0,62
| IR (Película): ny = | 2951 (m, br, Sch), 1723 (vs), 1644 (w, br, Sch), |
| 1468 (w), 1377 (w), 1271 (m, br, Sch), 1179 (s), | |
| 987 (m, br, Sch), 735 (w, br, Sch) cm^{-1} |
UV (en metanol): lambda _{max} (lg
épsilon) = 210 (4,44) nm.
| MS (20/70 eV): m/e (%) = | 503 (68 [M^{+}]), 408 (58), 390 (32), 334 (25), |
| 316 (34), 220 (21), 206 (27), 194 (20), 181 (33), | |
| 164 (100), 151 (34), 139 (28), 113 (20), 96 (82), | |
| 81 (33), 67 (24), 55 (26), 43 (22). |
| Alta resolución: C_{27}H_{37}O_{6}NS | calculado: 503,2342 para [M^{+}] |
| encontrado: 503,2303 |
Compuesto
6c
5 mg (0,009 mmol) de
3,7-di-O-acetil-epotilón
se disuelven en 1 ml de metanol, se mezclan con 150 \mul de una
solución amoniacal de metanol (2 mmol de NH_{3}/ ml de metanol) y
se agitan a 50ºC durante una noche.
\newpage
Para el tratamiento, el disolvente se elimina en
vacío. La purificación del producto bruto se efectúa con ayuda de
la cromatografía preparativa de capas (agente eluyente: mezcla de
tolueno y metanol, 90:10).
Rendimiento: 3 mg (67%)
R_{f} (mezcla de diclorometano y acetona,
90:10): 0,55
| IR (Película): ny = | 2934 (s, b, Sch), 1719 (vs, b, Sch), 1641 (m), |
| 1460 (m, Sch), 1372 (s, Sch), 1237 (vs, b, Sch), | |
| 1179 (s, Sch), 1020 (s), 963 (s, Sch), | |
| 737 (vs) cm^{-1} |
UV (en metanol): lambda _{max} (lg
épsilon) = 210 (4,33) nm.
| MS (20/70 eV): m/e (%) = | 517 (57 [M^{+}]), 422 (58), 318 (31), 194 (20), |
| 181 (34), 166(100), 151 (31), 96 (96), 81 (32), | |
| 69 (27), 55 (29), 43 (69). |
| Alta resolución: C_{28}H_{39}O_{6}NS | calculado: 517,2498 para [M^{+}] |
| encontrado: 517,2492 |
Epotilones C y D como compuestos de
partida
75 l de un medio de cultivo se cultivan tal como
se describe en la patente de base y se utilizan para la inoculación
de un fermentador de producción con 700 l de un medio de producción
a base de 0,8% de almidón, 0,2% de glucosa, 0,2% de harina de soja,
0,2% de extracto de levadura, 0,1% de Cacl_{2} x 2H_{2}O, 0,1%
de MgSO_{4} x 7H_{2}O, 8 mg/l de Fe-EDTA, pH =
7,4, y opcionalmente 15 l de una resina absorbente Amberlite
XAD-16. La fermentación dura 7 - 10 días a 30ºC, la
aireación se efectúa con 2 m^{3} de aire / h. Por regulación del
número de revoluciones el pO_{2} se mantiene en 30%.
La resina adsorbente se separa del cultivo con un
filtro para el proceso con un área de 0,7 m^{2} y de malla 100, y
por lavado con 3 volúmenes de lecho de una mezcla de agua y
metanol: 2:1 se libera con respecto de las sustancias acompañantes
polares. Por elución con 4 volúmenes de lecho de metanol se obtiene
un extracto bruto, que se concentra por evaporación en vacío hasta
la aparición de la fase de agua. Ésta se extrae tres veces con el
mismo volumen de acetato de etilo. La concentración por evaporación
de la fase orgánica proporciona 240 g de un extracto bruto, que se
reparte entre metanol y heptano, con el fin de separar las
sustancias acompañantes lipófilas. A partir de la fase de metanol se
obtienen mediante concentración por evaporación en vacío 180 g de
un material refinado, que se fracciona en tres porciones a través
de Sephadex LH-20 (columna 20 x 100 cm, 20 ml/min
de metanol). Los epotilones están contenidos en la fracción eluida
con un tiempo de retención de 240 -300 min, que en total es de 72
g. Para la separación de los epotilones, se cromatografía en tres
porciones de Lichrosorb RP-18 (15 \mum, columna
10 x 40 cm, agente eluyente 180 ml/min de una mezcla de metanol y
agua 65:35). Después de los epotilones A y B se eluyen con una
R_{t} = 90-95 min el epotilón C y con
100-110 min el epotilón D, y después de haber
concentrado por evaporación en vacío, se obtienen en un rendimiento
en cada caso de 0,3 g en forma de aceites incoloros.
| Epotilón C | R = H | |
| Epotilón D | R = CH_{3} |
Epotilón
C
C_{26}H_{39}NO_{5}S [477]
ESI-MS: (iones positivos): 478,5
para [M+H]^{+}
Acerca de 1H y 13C véase la tabla de NMR
DC (cromatografía de capa fina) R_{f} =
0,82
Lámina de DC-Alufolie 60 F 254
Merck, agente eluyente: mezcla de diclorometano y metanol =
9:1.
Detección: Extinción de UV a 254 nm. Rociar con
un reactivo de vainillina y ácido sulfúrico, tinción de color
azul-gris al calentar a 120ºC
HPLC: R_{t} = 11,5 min
Columna: Nucleosil 100 C-18 7
\mum, 125 x 4 mm
Agente eluyente: mezcla de metanol y agua =
65:35
Caudal: 1 ml/min
Detección: Conjunto de diodos
Epotilón
D
C_{27}H_{41}NO_{5}S [491]
ESI-MS: (iones positivos): 492,5
para [M+H]^{+}
Acerca de 1H y 13C véase la tabla de NMR
DC R_{f} = 0,82
Lámina de DC-Alufolie 60 F 254
Merck, agente eluyente: mezcla de diclorometano y metanol =
9:1.
Detección: Extinción de UV a 254 nm. Rociar con
un reactivo de vainillina y ácido sulfúrico, tinción de color
azul-gris al calentar a 120ºC
HPLC: R_{t} = 15,3 min
Columna: Nucleosil 100 C-18 7
\mum, 125 x 4 mm
Agente eluyente: mezcla de metanol y agua =
65:35
Caudal: 1 ml/min
Detección: Conjunto de diodos
Claims (4)
1. Derivado de epotilón de la Fórmula 3
en el que R = H, alquilo
C_{1-4}, R^{1}, R^{2} = H, alquilo
C_{1-6}, acilo C_{1-6},
benzoílo,
trialquil
C_{1-4}-sililo, bencilo, fenilo,
bencilo o fenilo sustituido con alcoxi C_{1-6},
alquilo C_{6}, hidroxi y halógeno;
en el caso de los grupos alquilo o acilo
contenidos en los radicales se trata de radicales lineales o
ramificados, y
X representa en general -C(O)-,
-C(S)-, -S(O)-, -CR^{1}R^{2} y -SiR_{2}-,
teniendo R, R^{1} y R^{2} los significados
que antes se indican y pudiendo R^{1} y R^{2} también formar en
común un grupo alquileno con 2 a 6 átomos de carbono;
e Y y Z o bien son iguales diferentes y
representan en cada caso hidrógeno, halógeno, pseudohalógeno, OH,
O-acilo (C_{1-6}),
O-alquilo (C_{1-6}) ó O
-benzoílo, o forman en común el átomo de O en un epóxido o uno de
los enlaces C-C de un doble enlace C=C.
2. Derivado de epotilón de la Fórmula 6
en el que R = H, alquilo
C_{1-4}, R^{1} = H, alquilo
C_{1-6}, acilo C_{1-6},
benzoílo,
trialquil
C_{1-4}-sililo, bencilo, fenilo,
bencilo o fenilo sustituido con alcoxi C_{1-6},
alquilo C_{6}, hidroxi y halógeno;
en el caso de los grupos alquilo o acilo
contenidos en los radicales se trata de radicales lineales o
ramificados, y
e Y y Z o bien son iguales diferentes y
representan en cada caso hidrógeno, halógeno, pseudohalógeno,
OH,
O-acilo (C_{1-6}), O-alquilo (C_{1-6}) ó O -benzoílo, o forman en común el átomo de O en un epóxido o uno de los enlaces
C-C de un doble enlace C=C.
O-acilo (C_{1-6}), O-alquilo (C_{1-6}) ó O -benzoílo, o forman en común el átomo de O en un epóxido o uno de los enlaces
C-C de un doble enlace C=C.
3. Agente para la protección de plantas en la
agricultura y en la silvicultura y/o en la jardinería, que consta
de uno o varios de los compuestos de acuerdo con una de las
reivindicaciones precedentes, o de uno o varios de estos compuestos
junto a uno o varios vehículos y/o agentes diluyentes usuales.
4. Agente terapéutico, en particular para su
empleo como agente citostático, que consta de uno o varios de los
compuestos de acuerdo con una o varias de las reivindicaciones 1 a
2, o de uno o varios de los compuestos de acuerdo con una o varias
de las reivindicaciones 1 a 2, junto a uno o varios
vehículo(s) y/o agente(s) diluyente(s)
usuales.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19542986 | 1995-11-17 | ||
| DE19542986A DE19542986A1 (de) | 1995-11-17 | 1995-11-17 | Epothilon-Derivate und deren Verwendung |
| DE1996139456 DE19639456A1 (de) | 1996-09-25 | 1996-09-25 | Epothilon-Derivate, Herstellung und Mittel |
| DE19639456 | 1996-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2206607T3 true ES2206607T3 (es) | 2004-05-16 |
Family
ID=26020459
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES98121523T Expired - Lifetime ES2178093T5 (es) | 1995-11-17 | 1996-11-18 | Derivados de epotilon y su preparacion. |
| ES01127352T Expired - Lifetime ES2218328T5 (es) | 1995-11-17 | 1996-11-18 | Derivados de epotilón, su preparación y utilización. |
| ES96939097T Expired - Lifetime ES2206607T3 (es) | 1995-11-17 | 1996-11-18 | Derivados de epotilones, preparacion y utilizacion. |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES98121523T Expired - Lifetime ES2178093T5 (es) | 1995-11-17 | 1996-11-18 | Derivados de epotilon y su preparacion. |
| ES01127352T Expired - Lifetime ES2218328T5 (es) | 1995-11-17 | 1996-11-18 | Derivados de epotilón, su preparación y utilización. |
Country Status (9)
| Country | Link |
|---|---|
| US (3) | US6288237B1 (es) |
| EP (4) | EP1440973A3 (es) |
| JP (1) | JP4183099B2 (es) |
| AT (3) | ATE218556T1 (es) |
| DE (3) | DE59610712D1 (es) |
| DK (3) | DK0903348T4 (es) |
| ES (3) | ES2178093T5 (es) |
| PT (3) | PT873341E (es) |
| WO (1) | WO1997019086A1 (es) |
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1996
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- 1996-11-18 AT AT96939097T patent/ATE249463T1/de active
- 1996-11-18 EP EP04005011A patent/EP1440973A3/de not_active Withdrawn
- 1996-11-18 PT PT96939097T patent/PT873341E/pt unknown
- 1996-11-18 ES ES98121523T patent/ES2178093T5/es not_active Expired - Lifetime
- 1996-11-18 US US09/077,055 patent/US6288237B1/en not_active Expired - Lifetime
- 1996-11-18 EP EP98121523A patent/EP0903348B2/de not_active Expired - Lifetime
- 1996-11-18 WO PCT/EP1996/005080 patent/WO1997019086A1/de not_active Ceased
- 1996-11-18 ES ES01127352T patent/ES2218328T5/es not_active Expired - Lifetime
- 1996-11-18 DK DK98121523T patent/DK0903348T4/da active
- 1996-11-18 DK DK96939097T patent/DK0873341T3/da active
- 1996-11-18 DK DK01127352.1T patent/DK1186606T4/da active
- 1996-11-18 JP JP51938197A patent/JP4183099B2/ja not_active Expired - Lifetime
- 1996-11-18 ES ES96939097T patent/ES2206607T3/es not_active Expired - Lifetime
- 1996-11-18 PT PT01127352T patent/PT1186606E/pt unknown
- 1996-11-18 EP EP01127352A patent/EP1186606B2/de not_active Expired - Lifetime
- 1996-11-18 DE DE59610712T patent/DE59610712D1/de not_active Expired - Lifetime
- 1996-11-18 PT PT98121523T patent/PT903348E/pt unknown
- 1996-11-18 DE DE59610943T patent/DE59610943D1/de not_active Expired - Lifetime
- 1996-11-18 DE DE59609305T patent/DE59609305D1/de not_active Expired - Lifetime
- 1996-11-18 AT AT01127352T patent/ATE261961T1/de active
- 1996-11-18 EP EP96939097A patent/EP0873341B1/de not_active Expired - Lifetime
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2001
- 2001-04-16 US US09/836,134 patent/US6613912B2/en not_active Expired - Lifetime
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2003
- 2003-06-25 US US10/602,770 patent/US6831076B2/en not_active Expired - Lifetime
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