科研之友
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摘要
A simple chiral diamine catalyst 111 was successfully applied in the asymmetric cyclopropanation of cinnamone derivatives with stabilized sulfur ylides. The desired c-yclopropanation adducts were obtained in moderate yields (up to 68%) with good enantioselectivities (67-93% ee) and excellent diastereoselectivities (>95:5) under mild conditions.
- 出版日期2013-6-21
- 单位四川大学
