New Trifluoromethylated Imidazolidines, Oxazolidines and Thiazolidines Starting from 3??(1, 1??Dihydroxy??2, 2, 2??Trifluoroethyl)??1??Methyl??Tetrahy??Droazepin??2??one …

…, C Ates, Z Janousek, HG Viehe, B Tinant…

Index: Bouillon, J. P.; Ates, C.; Janousek, Z.; Viehe, H. G.; Tinant, B.; Declercq, J. P. Bulletin des Societes Chimiques Belges, 1995 , vol. 104, # 12 p. 707 - 716

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Abstract

Abstract Heterocyclisations of 1, 4-bis-nucleophiles with the tetrahydroazepin-2-one 1 and γ- butyrolactone 2 gave imidazoline 9, 12, oxazolidines 3, 10, 13, 15 and thiazolidine 4 as a mixture of two diastereoisomers in various proportions. The structure and the relative configurations of these heterocycles were established by X-ray diffraction analysis and by comparison of 19 F-and 13 C-NMR data.

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