期刊
TETRAHEDRON LETTERS
卷 45, 期 35, 页码 6641-6643出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2004.07.003
关键词
chiral amines; tert-butyl sulfinamide; diastereoselection
Addition of Grignard reagents to chiral tert-butyl sulfinimines derived from pyridine 2-carboxaldehyde affords protected 2-pyridyl amines in high yields and diastereoselectivities. The sense of chiral induction is opposite to that predicted via a chelation-controlled transition state. (C) 2004 Published by Elsevier Ltd.
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