ES457257A1 - Un procedimiento para preparar la sal de acido maleico de la2-fenil-6-(1-hidroxi-2-t-butilaminoetil)-4h-pirido (3,2-d) -1,3-dioxina. - Google Patents

Un procedimiento para preparar la sal de acido maleico de la2-fenil-6-(1-hidroxi-2-t-butilaminoetil)-4h-pirido (3,2-d) -1,3-dioxina.

Info

Publication number
ES457257A1
ES457257A1 ES457257A ES457257A ES457257A1 ES 457257 A1 ES457257 A1 ES 457257A1 ES 457257 A ES457257 A ES 457257A ES 457257 A ES457257 A ES 457257A ES 457257 A1 ES457257 A1 ES 457257A1
Authority
ES
Spain
Prior art keywords
dioxin
hydroxy
phenyl
maleic acid
preparing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES457257A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfizer Inc
Original Assignee
Pfizer Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pfizer Inc filed Critical Pfizer Inc
Publication of ES457257A1 publication Critical patent/ES457257A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
    • C07D491/02—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains two hetero rings
    • C07D491/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/63—One oxygen atom
    • C07D213/65—One oxygen atom attached in position 3 or 5

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyridine Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Un procedimiento para preparar la sal de ácido maleico de la 2-fenil-6-(1-hidroxi-2-t-butilaminoetil)-4H-pirido (3,2-d)-1,3-dioxina, que tiene la fórmula (IIB): *** ver imagen 01 caracterizado por tratar la 2-fenil-6-(1-hidroxi-2-t-butilaminoetil)-4H-pirido-(3,2-d)-1,3-dioxina, de fórmula IIB, con ácido maleico en un disolvente orgánico.
ES457257A 1975-10-03 1977-03-28 Un procedimiento para preparar la sal de acido maleico de la2-fenil-6-(1-hidroxi-2-t-butilaminoetil)-4h-pirido (3,2-d) -1,3-dioxina. Expired ES457257A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/619,302 US4011231A (en) 1975-10-03 1975-10-03 2-Phenyl-6-(1-hydroxy-2-t-butylaminoethyl)-4H-pyrido[3,2-d]-1,3-dioxin maleate and its use as an intermediate

Publications (1)

Publication Number Publication Date
ES457257A1 true ES457257A1 (es) 1978-02-01

Family

ID=24481329

Family Applications (2)

Application Number Title Priority Date Filing Date
ES451746A Expired ES451746A1 (es) 1975-10-03 1976-09-22 Un procedimiento para preparar la 2-hidroximetil-3-hidroxi- 6-(1-hidroxi-2-t-butilaminoetil) piridina.
ES457257A Expired ES457257A1 (es) 1975-10-03 1977-03-28 Un procedimiento para preparar la sal de acido maleico de la2-fenil-6-(1-hidroxi-2-t-butilaminoetil)-4h-pirido (3,2-d) -1,3-dioxina.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES451746A Expired ES451746A1 (es) 1975-10-03 1976-09-22 Un procedimiento para preparar la 2-hidroximetil-3-hidroxi- 6-(1-hidroxi-2-t-butilaminoetil) piridina.

Country Status (30)

Country Link
US (1) US4011231A (es)
JP (1) JPS5246081A (es)
AR (1) AR213180A1 (es)
AT (1) AT353789B (es)
BE (1) BE846471A (es)
BG (1) BG27544A3 (es)
CA (1) CA1059518A (es)
CH (1) CH616424A5 (es)
CS (2) CS205041B2 (es)
DD (2) DD129325A5 (es)
DE (1) DE2640123C3 (es)
DK (1) DK147049C (es)
ES (2) ES451746A1 (es)
FI (1) FI64354C (es)
FR (1) FR2326191A1 (es)
GB (1) GB1510075A (es)
GR (1) GR61628B (es)
HU (2) HU172998B (es)
IE (1) IE43503B1 (es)
LU (1) LU75898A1 (es)
NL (1) NL164274C (es)
NO (1) NO147027C (es)
PH (1) PH14511A (es)
PL (1) PL106863B1 (es)
PT (1) PT65619B (es)
RO (1) RO69886A (es)
SE (2) SE428127B (es)
SU (2) SU673168A3 (es)
YU (1) YU39545B (es)
ZA (1) ZA765253B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4632992A (en) * 1981-02-09 1986-12-30 Pfizer Inc. Intermediates for preparing pirbuterol and analogs
US4477671A (en) * 1981-02-09 1984-10-16 Pfizer Inc. 3-Acetoxy or benzyloxy-2-acetoxymethyl-6-[1-acetoxy-2-(N-tert-butylacetamido)ethyl]pyridine intermediates
US5395939A (en) * 1993-11-30 1995-03-07 North Carolina State University Method of making asymmetric de ring intermediates for the synthesis of camptothecin and camptothecin analogs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250778A (en) * 1962-11-29 1966-05-10 Hoffmann La Roche Intermediates for and synthesis of vitamin b and related compounds
US3700681A (en) * 1971-02-16 1972-10-24 Pfizer 2-hydroxymethyl-3-hydroxy-6-(1-hydroxy-2-aminoethyl)pyridines
AT342589B (de) 1973-12-26 1978-04-10 Pfizer Verfahren zur herstellung von 2-hydroxymethyl-3-hydroxy-6- (1-hydroxy-2-t-butylaminoathyl) pyridin

Also Published As

Publication number Publication date
SE7609497L (sv) 1977-04-04
US4011231A (en) 1977-03-08
NL7610683A (nl) 1977-04-05
IE43503L (en) 1977-04-03
NO763307L (es) 1977-04-05
PT65619A (en) 1976-10-01
CS205041B2 (en) 1981-04-30
DD129325A5 (de) 1978-01-11
ATA692376A (de) 1979-05-15
BG27544A3 (bg) 1979-11-12
JPS5519210B2 (es) 1980-05-24
NL164274B (nl) 1980-07-15
YU39545B (en) 1984-12-31
AT353789B (de) 1979-12-10
FI64354B (fi) 1983-07-29
DD133672A5 (de) 1979-01-17
FR2326191A1 (fr) 1977-04-29
NO147027B (no) 1982-10-11
PT65619B (en) 1978-04-05
SU673168A3 (ru) 1979-07-05
YU216576A (en) 1982-06-30
DK147049B (da) 1984-03-26
NO147027C (no) 1983-01-19
DE2640123A1 (de) 1977-04-07
PL106863B1 (pl) 1980-01-31
GB1510075A (en) 1978-05-10
AU1788376A (en) 1978-03-16
SE437159B (sv) 1985-02-11
HU172998B (hu) 1979-01-28
FI64354C (fi) 1983-11-10
ZA765253B (en) 1977-08-31
JPS5246081A (en) 1977-04-12
DK434176A (da) 1977-04-04
LU75898A1 (es) 1977-05-11
ES451746A1 (es) 1977-08-16
NL164274C (nl) 1980-12-15
CH616424A5 (es) 1980-03-31
SE8003311L (sv) 1980-04-30
GR61628B (en) 1978-12-04
PH14511A (en) 1981-08-24
DK147049C (da) 1984-10-01
SE428127B (sv) 1983-06-06
CS205042B2 (en) 1981-04-30
IE43503B1 (en) 1981-03-11
CA1059518A (en) 1979-07-31
SU725562A3 (ru) 1980-03-30
FI762693A7 (es) 1977-04-04
FR2326191B1 (es) 1978-11-17
BE846471A (fr) 1977-03-23
DE2640123C3 (de) 1980-09-25
DE2640123B2 (de) 1980-01-31
AR213180A1 (es) 1978-12-29
HU177493B (en) 1981-10-28
RO69886A (ro) 1981-09-24

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