MX9700547A - Process for the preparation of imidazodiazepine derivatives. - Google Patents

Process for the preparation of imidazodiazepine derivatives.

Info

Publication number
MX9700547A
MX9700547A MX9700547A MX9700547A MX9700547A MX 9700547 A MX9700547 A MX 9700547A MX 9700547 A MX9700547 A MX 9700547A MX 9700547 A MX9700547 A MX 9700547A MX 9700547 A MX9700547 A MX 9700547A
Authority
MX
Mexico
Prior art keywords
formula
lower alkyl
preparation
compound
referred
Prior art date
Application number
MX9700547A
Other languages
Spanish (es)
Other versions
MXPA97000547A (en
Inventor
Mark Rogers-Evans
Paul Spurr
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of MXPA97000547A publication Critical patent/MXPA97000547A/en
Publication of MX9700547A publication Critical patent/MX9700547A/en

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  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The present invention discloses a process for the preparation of compounds of formula I, wherein A together with two carbon atoms, which are referred to as alpha and beta, represent one of the (a), (b) and (c) groups, R1 represents cyane or a group of formula -COOR4, R2 represents hydrogen, R3 represents lower alkyl, or R2 and R3 together represent a di- or trimethylene group, R4 represents lower alkyl or benzyl; and R5, R6 each mean nitrogen, halogen, trifluoromethyl, lower alkoxyl or nitro and carbon atom referred to as y comprises an S configuration, when R2 is different from hydrogen; said process comprising reacting a compound of formula (II) wherein A, R2 and R3 are as before and X represents a halogen atom, in the presence of a base with a compound of formula (III), wherein R7 is lower alkyl or cycloalkyl and R1 is as previously described.
MX9700547A 1996-02-02 1997-01-21 Process for the preparation of imidazodiazepine derivatives. MX9700547A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE96101494.1 1996-02-02
DE96101494 1996-02-02

Publications (2)

Publication Number Publication Date
MXPA97000547A MXPA97000547A (en) 1997-08-01
MX9700547A true MX9700547A (en) 1997-08-30

Family

ID=38988527

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9700547A MX9700547A (en) 1996-02-02 1997-01-21 Process for the preparation of imidazodiazepine derivatives.

Country Status (1)

Country Link
MX (1) MX9700547A (en)

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