2-Methylidene-1,3-thiazine and 2-methylidene-1,3-thiazolidine derivatives, their preparation, and cosmetics containing these compounds

摘要

Compound of the general formula (I) <IMAGE> in which n is 2 or 3, R is alkyl, (C3-C6)cycloalkyl, substituted alkyl, furthermore phenyl, naphthyl, phenylalkyl, naphthalkyl, substituted phenyl, naphthyl, phenylalkyl or naphthylalkyl, X has the meaning CN, <IMAGE> where R<1> is (C1-C3)alkyl, Y has the meaning CN <IMAGE> where R<1> is (C1-C3)alkyl, or <IMAGE> where R<2> is hydrogen or (C1-C3)alkyl, or both radicals R<2> together with the nitrogen atom to which they are bonded are part of a heterocyclic ring and, in this ring, represent the segment -(CH2)m-Z-(CH2)p-, where Z denotes the fragments CH2, O, S or NR<3> and R<3> represents (C1-C4)alkyl, phenyl, naphthyl, phenylalkyl or naphthylalkyl, and m is an integer from 0 to 3 and p an integer from 1 to 3, with the proviso that m can only be 0 when Z is CH2, or Y is <IMAGE> where R<4> is phenyl, naphthyl, substituted phenyl or naphthyl, or Y is R<5>-SO2, where R<5> is (C1-C4)alkyl, phenyl, naphthyl, phenylalkyl, naphthylalkyl, substituted phenyl, naphthyl, phenylalkyl or naphthylalkyl or X and Y are components of a ring system, where X and Y together denote the segments <IMAGE> in which A represents the fragments O or S, R<8> represents alkyl, (C3-C6)cycloalkyl, substituted alkyl, furthermore phenyl, naphthyl, phenylalkyl, naphthylalkyl, substituted phenyl, ... Original abstract incomplete.