Simple primary β-amino alcohol catalyzed enantioselective Diels-Alder reaction of 3-hydroxy-2-pyridones
作者:Toshihisa Takahashi、U.V. Subba Reddy、Yoshihito Kohari、Chigusa Seki、Taniyuki Furuyama、Nagao Kobayashi、Yuko Okuyama、Eunsang Kwon、Koji Uwai、Michio Tokiwa、Mitsuhiro Takeshita、Hiroto Nakano
DOI:10.1016/j.tetlet.2016.11.030
日期:2016.12
The simple primary β-amino alcohol catalyzed Diels-Alder reaction of 3-hydroxy-2-pyridones as dienes with N-substituted maleimides to provide the highly substituted optically active isoquinuclidines as a single diastereomers in excellent enantioselectivities (up to 98%) with excellent chemical yields (up to 95%) was demonstrated. A range of simple β-amino alcohols were synthesized from the corresponding
简单的伯基β-氨基醇催化的3-羟基-2-吡啶酮类二烯与N-取代的马来酰亚胺的Diels-Alder反应,可提供高取代度的光学活性异喹核苷,为单一非对映异构体,具有出色的对映选择性(最高98%)和优异的证明了化学产率(高达95%)。从相应的廉价氨基酸合成了一系列简单的β-氨基醇,并检查了其催化活性。