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SE8202067L - PROCEDURE FOR PREPARING PYRIDO- (2,3-B) - (1,4) -BENZODIAZEPINES - Google Patents

PROCEDURE FOR PREPARING PYRIDO- (2,3-B) - (1,4) -BENZODIAZEPINES

Info

Publication number
SE8202067L
SE8202067L SE8202067A SE8202067A SE8202067L SE 8202067 L SE8202067 L SE 8202067L SE 8202067 A SE8202067 A SE 8202067A SE 8202067 A SE8202067 A SE 8202067A SE 8202067 L SE8202067 L SE 8202067L
Authority
SE
Sweden
Prior art keywords
benzodiazepines
procedure
pyrido
preparing pyrido
preparing
Prior art date
Application number
SE8202067A
Other languages
Swedish (sv)
Inventor
V Sunjic
R Toso
Original Assignee
Crc Ricerca Chim
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 Ricerca Chim filed Critical Crc Ricerca Chim
Publication of SE8202067L publication Critical patent/SE8202067L/en

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

The invention relates to the preparation of pyrido[2,3-b]- [1,4]benzodiazepinone of the following formula (I): <IMAGE> by dehydration of the compound of the formula (II): <IMAGE> with metal catalysts and by means of other known dehydration systems.
SE8202067A 1981-04-24 1982-03-31 PROCEDURE FOR PREPARING PYRIDO- (2,3-B) - (1,4) -BENZODIAZEPINES SE8202067L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8121352A IT1211027B (en) 1981-04-24 1981-04-24 PINA PROCEDURE FOR THE PREPARATION OF _ A PYRID- [2,3-B] [1,4] BENZODIAZE

Publications (1)

Publication Number Publication Date
SE8202067L true SE8202067L (en) 1982-10-25

Family

ID=11180527

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8202067A SE8202067L (en) 1981-04-24 1982-03-31 PROCEDURE FOR PREPARING PYRIDO- (2,3-B) - (1,4) -BENZODIAZEPINES

Country Status (7)

Country Link
JP (1) JPS57183790A (en)
DE (1) DE3211973A1 (en)
ES (1) ES511647A0 (en)
GR (1) GR75993B (en)
IT (1) IT1211027B (en)
NL (1) NL8201587A (en)
SE (1) SE8202067L (en)

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 4,5,6,7- Tetrahydrothiazolo (5,4-b) pyridine and 5,6-dihydro-4h pyrrolo (3,2-d) thiazolo compounds, their production and pharmaceutical compositions containing them

Also Published As

Publication number Publication date
IT8121352A0 (en) 1981-04-24
IT1211027B (en) 1989-09-29
NL8201587A (en) 1982-11-16
GR75993B (en) 1984-08-03
JPS57183790A (en) 1982-11-12
DE3211973A1 (en) 1982-11-11
ES8304130A1 (en) 1983-03-01
ES511647A0 (en) 1983-03-01

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