甲醇 、
一氧化碳 、
trifluoro-methanesulfonic acid 6-methyl-6-naphthalen-2-ylmethyl-5-trifluoromethanesulfonyloxy-cyclohexa-1,4-dienyl ester 在
palladium diacetate 、
三乙胺 、 (S)-2-dicyclohexylphosphino-2'-methoxy-1,1'-binaphthyl 作用下,
以44%的产率得到6-methyl-6-naphthalen-2-ylmethyl-5-trifluoromethanesulfonyloxy-cyclohexa-1,4-dienecarboxylic acid methyl ester