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PT91980A - Process for the preparation of hept-6-enoic and heptanoic acids substituted in the 7 position and their derivatives and intermediate products - Google Patents

Process for the preparation of hept-6-enoic and heptanoic acids substituted in the 7 position and their derivatives and intermediate products

Info

Publication number
PT91980A
PT91980A PT9198089A PT9198089A PT91980A PT 91980 A PT91980 A PT 91980A PT 9198089 A PT9198089 A PT 9198089A PT 9198089 A PT9198089 A PT 9198089A PT 91980 A PT91980 A PT 91980A
Authority
PT
Portugal
Prior art keywords
preparation
enoic
hept
derivatives
intermediate products
Prior art date
Application number
PT9198089A
Other languages
Portuguese (pt)
Other versions
PT91980B (en
Inventor
Prasad Koteswara Kapa
Kau-Ming Chen
George T Lee
Oljan Repic
Petr Hess
Michel Crevoisier
Original Assignee
Sandoz Sa
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 Sandoz Sa filed Critical Sandoz Sa
Priority to PT9198089A priority Critical patent/PT91980B/en
Publication of PT91980A publication Critical patent/PT91980A/en
Publication of PT91980B publication Critical patent/PT91980B/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The invention relates to a new process for the preparation of compounds of formula I: <IMAGE> in which X represents -CH2CH2- or -CH=CH, R1 is an ester group which is inert under the reaction conditions, and R is an organic radical which has groups which are inert under ...
PT9198089A 1989-10-13 1989-10-13 PROCESS FOR THE PREPARATION OF HEPT-6-ENOIC ACID AND HEPTANOIC ACIDS SUBSTITUTED IN POSITION 7 AND ITS DERIVATIVES AND INTERMEDIATE PRODUCTS PT91980B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT9198089A PT91980B (en) 1989-10-13 1989-10-13 PROCESS FOR THE PREPARATION OF HEPT-6-ENOIC ACID AND HEPTANOIC ACIDS SUBSTITUTED IN POSITION 7 AND ITS DERIVATIVES AND INTERMEDIATE PRODUCTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT9198089A PT91980B (en) 1989-10-13 1989-10-13 PROCESS FOR THE PREPARATION OF HEPT-6-ENOIC ACID AND HEPTANOIC ACIDS SUBSTITUTED IN POSITION 7 AND ITS DERIVATIVES AND INTERMEDIATE PRODUCTS

Publications (2)

Publication Number Publication Date
PT91980A true PT91980A (en) 1991-06-25
PT91980B PT91980B (en) 1995-05-31

Family

ID=20084583

Family Applications (1)

Application Number Title Priority Date Filing Date
PT9198089A PT91980B (en) 1989-10-13 1989-10-13 PROCESS FOR THE PREPARATION OF HEPT-6-ENOIC ACID AND HEPTANOIC ACIDS SUBSTITUTED IN POSITION 7 AND ITS DERIVATIVES AND INTERMEDIATE PRODUCTS

Country Status (1)

Country Link
PT (1) PT91980B (en)

Also Published As

Publication number Publication date
PT91980B (en) 1995-05-31

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19941116

PC3A Transfer or assignment

Free format text: 971017 NOVARTIS AG CH

MM4A Annulment/lapse due to non-payment of fees;searched & examined patent

Free format text: MAXIMUM VALIDITY LIMIT REACHED

Effective date: 20091116