The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 02, 1992

Filed:

Jul. 06, 1990
Applicant:
Inventor:

Conrad Santini, Warren, NJ (US);

Assignee:

Merck & Co., Inc., Rahway, NJ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548181 ; 548479 ;
Abstract

There is disclosed a process for preparing aldehydes from base sensitive amines. The process can be employed to obtain carboxylic acid methyl esters. In particular, thiazolidine carboxylic methyl ester can be produced which is useful as an intermediate in the preparation of bicyclic lactam compounds. These bicyclic lactam compounds are potent angiotesin converting enzyme (ACE) inhibitors useful in the treatment of hypertension, congestive heart failure, and the like.


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