PROCESS FOR THE PREPARATION OF CAPSAYCIN DERIVATIVES AND PHARMACEUTICAL COMPOSITIONS THEREOF

摘要

Capsaicin derivatives of general formula I wherein R is O, S or NH, R1 to R7 may be a variety of substituents, and X is acyclic hydrocarbon, are useful as pharmaceuticals, in particular as analgesics and anti-inflammatory agents. Precursors of the above compounds are of the formulae X, VIII, V, II and III:-