see text] The construction of chiral carbon centers via the first catalytic asymmetric alkynylation of prochiral CH2 groups was developed by using a copper-catalyzed double activation of sp3 and sp C-H bonds. Optically active 1-alkynylated tetrahydroisoquinolines were obtained by this method.
[反应:见正文]通过
铜催化的sp3和sp CH键的双重活化,开发了通过手性
CH2基团的第一个催化不对称炔基构筑手性碳中心的方法。通过这种方法获得了光学活性的1-炔基化的
四氢异喹啉。