Imidazole derivatives useful as synthetic intermediates

摘要

Compounds of formula (I) <IMAGE> (I) wherein R1 represents either a hydrogen atom, or a (C1-C4)alkyl group, X represents either a sulphur atom, an oxygen atom or a methylene group, Z1 represents either a hydrogen atom, or a 1,1-dimethylethyl group, Z2 represents either a hydrogen atom, a triphenylmethyl group, or a phenylmethoxycarbonyl group, and n=1 or 2, and addition salts to inorganic or organic acids thereof as synthetic intermediates.