(1S,3aR,4S,7aS)-4-Iodomethyl-4-methyl-6-oxo-hexahydro-pyrano[3,4-c]pyrrole-1,2-dicarboxylic acid 2-methyl ester 、
碘甲烷 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
生成
(1S,3aR,4S,7aS)-4-Iodomethyl-4-methyl-6-oxo-hexahydro-pyrano[3,4-c]pyrrole-1,2-dicarboxylic acid dimethyl ester