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Wyeth LLC
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American Home Products Corp
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Publication of ES280170A1publicationCriticalpatent/ES280170A1/en
A method of preparing a compound having the formula ** (See formula) ** where X and Y each represent hydrogen, chlorine, bromine, nitro, trifluoromethyl, or methylsulfonyl, R is hydrogen or a hydrocarbon radical, Ar is an aryl radical and R 'is a hydroxy, halogen, alkoxy or acyloxy radical, comprising the operations of treating a compound of the formula ** (See formula) ** where X, Y, R and Ar have the meanings mentioned above, with an agent of the group consisting of carboxylic acid chlorides and carboxylic acid anhydrides, and recovering at least one product having the formula ** (See formula) ** where X, Y, Ar and R have the meanings mentioned above and R 'represents a member of the group consisting of halogen and acyloxy radicals. (Machine-translation by Google Translate, not legally binding)
ES280170A1961-08-291962-08-21A procedure for preparing benzodiazepine compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES280170A1
(en)