4-(1-But-3-ynyl-2,5-dimethyl-cyclopenta-2,4-dienyl)-N-(2-iodo-phenyl)-N-methyl-butyramide 在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
苯 为溶剂,
以75%的产率得到(3aR,5aR)-3a,5a-Dimethyl-6-methylene-1,2,3,3a,5a,6,7,8-octahydro-cyclopenta[c]pentalene-3-carboxylic acid methyl-phenyl-amide