The Highly Diastereoselective Synthesis of Oxazolidines Derived from Ketones and Pseudoephedrine or Ephedrine

Benjamin R. Buckley,Philip C. Page,Mark Edgar,Mark R. Elsegood,Colin M. Hayman,Harry Heaney,Gerasimos A. Rassias,Salem A. Talib,John Liddle,Simon A. Readshaw,Christopher J. Seaman

SYNLETT（2005）

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摘要

2,2-Dialkyl-3,4-dimethyl-5-phenyloxazolidines and 2-alkyl-2-aryl-3,4-dimethyl-5-phenyloxazolidines are formed with high diastereoselectivity from ketones and pseudoephedrine or ephedrine in the presence of scandium triflate and 4 A molecular sieves.

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关键词

amino alcohols,heterocycles,ketones,scandium,stereoselective

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