ChemInform Abstract: New Trifluoromethylated Imidazolidines, Oxazolidines and Thiazolidines Starting from 3-(1,1-Dihydroxy-2,2,2-trifluoroethyl)-1-methyl- tetrahydroazepin-2-one and α-(1,1-Dihydroxy-2,2,2-trifluoroethyl) -γ-butyrolactone.J. P. BOUILLON; C. ATES; Z. JANOUSEK; H. G. VIEHE; B. TINANT; J. P. DECLERCQ · 1996