3-(tert-Butyl-dimethyl-silanyloxy)-2-diazo-but-3-enoic acid 1-furan-3-yl-propyl ester 在
rhodium(II) octanoate 作用下,
以
正己烷 为溶剂,
生成 3-(tert-butyldimethylsilyloxy)-7-ethyl-6,10-dioxatricyclo[6.2.1.0
4,9]undeca-3,8(11)-dien-5-one 、 3-(tert-butyldimethylsilyloxy)-7-ethyl-6,10-dioxatricyclo[6.2.1.0
4,9]undeca-3,8(11)-dien-5-one