Method of preparation of the r, s - 2,3,5,6 - tetrahydro - 6 - phenyl - imidazo (2,1 - b) - thiazole and of its pharmaceutically acceptable acid addition salts, using a alkylxanthogenate or of thiophene

摘要

P a. preparation process of the r, s - 2,3,5,6 - tetrahydro - 6 - phenyl - imidazo (2,1 - b) - thiazole. / p & & p & b. it consists in reacting the r, s (-) - (2 - hydroxyethylaminomethyl) - benzylamine with a compound of formula: / p