Acetic acid 3-((1S,2R,3S,4R)-3-formyl-bicyclo[2.2.1]hept-5-en-2-yl)-3-oxo-propyl ester 在
potassium tert-butylate 作用下,
以
甲醇 为溶剂,
生成 Acetic acid (3aR,4S,7R,7aR)-1-oxo-3a,4,7,7a-tetrahydro-1H-4,7-methano-inden-2-ylmethyl ester 、 Acetic acid (3aR,4R,7S,7aR)-1-oxo-3a,4,7,7a-tetrahydro-1H-4,7-methano-inden-2-ylmethyl ester