6,7,8,9-tetrahydropyrido[1,2-a]indole 、
ethyl 2-diazo-5-methylhexanoate 在
tetrakis[μ-(αS)-α-(1,1-dimethylethyl)-2,3-dihydro-1H-naphtho[1,8-cd]pyridine-2-acetato-κO:.kappaO']dirhodium(II)(Rh-Rh) 作用下,
以
甲苯 为溶剂,
以72%的产率得到(-)-ethyl (R)-5-methyl-2-(6,7,8,9-tetrahydropyrido[1,2-a]indol-10-yl)hexanoate