Development of a stereoselective and chemoselective approach to<i>trans</i>-2,3-disubstituted-4-chromanones
作者:R. J. Chambers、A. Marfat
DOI:10.1002/jhet.5570310617
日期:1994.11
10 and 11 was achieved in five steps from acetophenone 1 in an overall yield of 37% and 53% respectively. The requisite 2,3-trans stereochemistry in chromanone 10 and 11 was set by a chemoselective and stereoselective conjugate reduction of chromones 8 and 9.
从苯乙酮1分五个步骤可直接合成发色酮10和11,总收率分别为37%和53%。色酮10和11中必需的2,3-反式立体化学是通过色酮8和9的化学选择和立体选择共轭还原来设定的。