(Z)-2-((2E,4E)-6-Chloro-hexa-2,4-dienyl)-2,9-bis-methoxycarbonyl-5,6-dimethyl-dec-5-enedioic acid dimethyl ester 在
caesium carbonate 作用下,
以
乙腈 为溶剂,
反应 9.0h,
生成 (3E,9Z)-9,10-Dimethyl-2-vinyl-cyclododeca-3,9-diene-1,1,6,6-tetracarboxylic acid tetramethyl ester 、 (3E,5E,11Z,17E,19E,25Z)-11,12,25,26-Tetramethyl-cyclooctacosa-3,5,11,17,19,25-hexaen-1,1,8,8,15,15,22,22-octacarboxylic acid octamethyl ester 、 (3E,5E,11Z)-11,12-Dimethyl-cyclotetradeca-3,5,11-triene-1,1,8,8-tetracarboxylic acid tetramethyl ester