(3S,7aR)-6-(2-Benzyloxycarbonyl-2-phenyl-acetyl)-2,2-dimethyl-5-oxo-hexahydro-imidazo[5,1-b]thiazole-3-carboxylic acid 2,2-dimethyl-propionyloxymethyl ester 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
20.0 ℃
、275.79 kPa
条件下,
以65%的产率得到(3S,7aR)-2,2-Dimethyl-5-oxo-6-phenylacetyl-hexahydro-imidazo[5,1-b]thiazole-3-carboxylic acid 2,2-dimethyl-propionyloxymethyl ester