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Rorer International Overseas Inc
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Rorer International Overseas Inc
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Publication of ES8601886A1publicationCriticalpatent/ES8601886A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Benzene derivs. of formula (I), in which X, R2 and R3 can be various gps., b is 0 or 1, c is 1-b, 2-b or 3-b, are made by (a) reduction of ketones of formula (II), in which P is a protective gp.; (b) conversion of the alcohol obtd. to a halogenated deriv.; (c) reaction with an amine of formula R2NHR3; and (d) removal of gp.P.