C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 405/04 (2006.01)
Patent
CA 2327926
The present invention relates to a periodic acid oxidation which converts the penultimate intermediate bearing a primary alcohol to the target endothelin antagonist compound of Formula (I) having a carboxylic acid.
L'invention concerne une oxydation à l'acide périodique permettant de convertir l'avant-dernier intermédiaire portant un alcool primaire en composé ciblé antagoniste d'endothéline représenté par la formule (I) et possédant un acide carboxylique.
Song Zhiguo
Tschaen David M.
Zhao Mangzu
Merck & Co. Inc.
Ogilvy Renault
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