new axially chiral N-acryl-N-allyl-o-tert-butylanilide wih high optical purity (96–97 %ee) was prepared in good yield from (S)-O-acetyl lactic acid and N-allyl o-t-butylaniline. Iodinemediated Diels-Alder reaction of the axially chiral N-acryl anilide with cyclopentadiene or isoprene proceeded with high diastereoselectivity.
一种新的轴向手性Ñ -acryl- Ñ -allyl- ö -叔-butylanilide王氏高光学纯度(96-97%ee值)中的溶液以良好的收率制备由(小号) - ø -乙酰
乳酸和ñ -烯丙基ö -吨丁基
苯胺。轴向手性N-
丙烯酸苯胺与
环戊二烯或
异戊二烯的
碘介导的Diels-Alder反应以非对映高选择性进行。