R(+)-alpha-甲基苄胺 、
1-(2,2-Dimethyl-[1,3]dioxolan-4-yl)-propan-1-one 在
4 A molecular sieve 、
溶剂黄146 、
tetramethylammonium triacetoxyborohydride 作用下,
以
1,2-二氯乙烷 为溶剂,
生成 [(S)-1-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-propyl]-((R)-1-phenyl-ethyl)-amine 、
[(R)-1-((R)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-propyl]-((R)-1-phenyl-ethyl)-amine 、 [(S)-1-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-propyl]-((R)-1-phenyl-ethyl)-amine 、 [(R)-1-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-propyl]-((R)-1-phenyl-ethyl)-amine