Chemistry Letters p. 799 - 800 (1998)
Update date:2022-07-30
Topics:
Wuensch, Bernhard
Nerdinger, Sven
The diastereoselectivity during the addition of the homochiral (2-lithiophenyl)acetaldehyde acetal 1b to various imine components was investigated. The diastereoselectivity could be raised to 84.2% de by addition of 1b to benzylidenanisidine 2h. Removal of the tosyl and the p-methoxyphenyl protective groups of 3c, 4c and 3h/4h succeeded with sodium in liquid ammonia and ammonium cerium(IV) nitrate, respectively, to yield the enantiopure benzhydrylamines 5 and 6.
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Doi:10.1021/ja981284e
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(1950)
