ES8304130A1 - "procedimiento para la preparacion de la pirido-(2,3-b)-(1,4)-benzodiacepin-6-ona". - Google Patents

"procedimiento para la preparacion de la pirido-(2,3-b)-(1,4)-benzodiacepin-6-ona".

Info

Publication number
ES8304130A1
ES8304130A1 ES511647A ES511647A ES8304130A1 ES 8304130 A1 ES8304130 A1 ES 8304130A1 ES 511647 A ES511647 A ES 511647A ES 511647 A ES511647 A ES 511647A ES 8304130 A1 ES8304130 A1 ES 8304130A1
Authority
ES
Spain
Prior art keywords
pyrido
benzodiazepines
manufacture
image
dehydration
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
ES511647A
Other languages
English (en)
Other versions
ES511647A0 (es
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.)
CRC Compagnie di Ricerca Chimica SpA
Original Assignee
CRC Compagnie di Ricerca Chimica SpA
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 CRC Compagnie di Ricerca Chimica SpA filed Critical CRC Compagnie di Ricerca Chimica SpA
Publication of ES511647A0 publication Critical patent/ES511647A0/es
Publication of ES8304130A1 publication Critical patent/ES8304130A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C07D471/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/68—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D211/72—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D211/74—Oxygen atoms
    • C07D211/76—Oxygen atoms attached in position 2 or 6

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE LA PIRIDO-(2,3-B)-(1,4)-BENZODIAZEPIN-6-ONA, DE FORMULA GENERAL (I). CONSISTE EN SOMETER A DESHIDROGENACION REACTIVA UN COMPUESTO DE FORMULA (II) O SUS SALES. DICHA REACCION DE DESHIDROGENACION SE REALIZA POR MEDIO DE PT, PD, NI-RANEY O DE OTROS CATALIZADORES METALICOS EN DISOLVENTES DE PUNTO DE EBULLICION ALTO, COMO LA QUINOLINA, LA NAFTALINA, LA PIRIDINA O EL DOWTHERM, Y A UNA TEMPERATURA COMPRENDIDA ENTRE 100 Y 300 GRADOS, PREFERENTEMENTE ENTRE 200 Y 250 GRADOS, EN ATMOSFERA DE ANHIDRIDO CARBONICO O DE OXIGENO. DE APLICACION COMO INTERMEDIARIO CRUCIAL EN LA PREPARACION DE COMPUESTOS BIOLOGICAMENTE ACTIVOS, PARTICULARMENTE EN LA TERAPEUTICA DE LA ULCERA PEOTICA.
ES511647A 1981-04-24 1982-04-23 "procedimiento para la preparacion de la pirido-(2,3-b)-(1,4)-benzodiacepin-6-ona". Expired ES8304130A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8121352A IT1211027B (it) 1981-04-24 1981-04-24 Pina procedimento per la preparazione di _ una pirido-[2,3-b][1,4]benzodiaze

Publications (2)

Publication Number Publication Date
ES511647A0 ES511647A0 (es) 1983-03-01
ES8304130A1 true ES8304130A1 (es) 1983-03-01

Family

ID=11180527

Family Applications (1)

Application Number Title Priority Date Filing Date
ES511647A Expired ES8304130A1 (es) 1981-04-24 1982-04-23 "procedimiento para la preparacion de la pirido-(2,3-b)-(1,4)-benzodiacepin-6-ona".

Country Status (7)

Country Link
JP (1) JPS57183790A (es)
DE (1) DE3211973A1 (es)
ES (1) ES8304130A1 (es)
GR (1) GR75993B (es)
IT (1) IT1211027B (es)
NL (1) NL8201587A (es)
SE (1) SE8202067L (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL97249A (en) * 1990-02-23 1995-01-24 Takeda Chemical Industries Ltd Compounds of 7,6,5,4-tetrahydrothiazole] B-5,4 [pyridine and compounds of 5,6-dihydro-H4-pyrrolo] D-3,2 [thiazole, their manufacture, and pharmaceutical compositions including or

Also Published As

Publication number Publication date
IT8121352A0 (it) 1981-04-24
GR75993B (es) 1984-08-03
ES511647A0 (es) 1983-03-01
IT1211027B (it) 1989-09-29
NL8201587A (nl) 1982-11-16
SE8202067L (sv) 1982-10-25
DE3211973A1 (de) 1982-11-11
JPS57183790A (en) 1982-11-12

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