dibenzyl 2-(2-methylenehex-5-enyl)-2-(prop-2-ynyl)malonate 在
bis(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate 、 [2'-(diphenylphosphanyl)-[1,1'-binaphthalen]-2-yl]diphenylphosphane 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 24.0h,
生成
dibenzyl tricyclo[5.2.2.01,5]undec-5-ene-3,3-dicarboxylate 、 dibenzyl 7-methylbicyclo[5.3.0]deca-1,3-diene-9,9-dicarboxylate