2-Diazo-3-oxo-undecanoic acid (1S,2R,3R,4S)-4,7,7-trimethyl-3-naphthalen-1-yl-bicyclo[2.2.1]hept-2-yl ester 在
dirhodium tetraacetate 作用下,
以
二氯甲烷 为溶剂,
生成
(1S,5R)-2-Oxo-5-pentyl-cyclopentanecarboxylic acid (1S,2R,3R,4S)-4,7,7-trimethyl-3-naphthalen-1-yl-bicyclo[2.2.1]hept-2-yl ester 、 (1S,5R)-2-Oxo-5-pentyl-cyclopentanecarboxylic acid (1S,2R,3R,4S)-4,7,7-trimethyl-3-naphthalen-1-yl-bicyclo[2.2.1]hept-2-yl ester