methyl 2-diazo-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetate 、
1,2,2,5,5-pentamethyl-1-aza-2,5-disilacyclopentane 在
Rh
2[(S)-N-(p-C
12H
25C
6H
4SO
2-)prolinate]4 作用下,
以
甲苯 为溶剂,
生成 methyl 3-amino-(2R)-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)phenyl]propionate 、
methyl 3-amino-(2S)-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)phenyl]propionate