在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
苯 为溶剂,
生成 (3R,7R)-methyl-2-[(7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methylsulfonyl]-3,7-dimethyl-1-oxooctahydro-pyrrolo[1,2-c]pyrimidine-4-carboxylate 、
(3R,4R,4aS,7R)-methyl-2-[(7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methylsulfonyl]-3,7-dimethyl-1-oxooctahydro-pyrrolo[1,2-c]pyrimidine-4-carboxylate