C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
167/233, 260/325
C07F 9/572 (2006.01) A61K 31/66 (2006.01)
Patent
CA 1279651
ABSTRACT ORALLY ACTIVE PHOSPHONYL HYDROXYACYL PROLINES AND PROCESSES FOR PREPARING PHOSPHONYL HYDROXYACYL PROLINES Processes are disclosed for preparing phosphonyl hydroxyacyl prolines from a phosphonous acid or phosphonochloridate intermediate. The compounds prepared possess angiotension converting enzyme inhibition activty and are useful as anti- hypertensive agents. This invention is also directed to orally active antihypertensive agents of the formula Image wherein R1 is certain alkyl or aralkyl groups.
524350
Karanewsky Donald Steven
Petrillo Edward William Jr.
E.r. Squibb & Sons Inc.
Osler Hoskin & Harcourt Llp
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