摘要 |
Capsaicin derivatives of general formula I <IMAGE> 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:- <IMAGE> |