反应详情

温度

-10 °C

(3S-trans) -[[3-[(t-Butyloxycarbonyl)amino]-4-methyl-2-oxo-1-azetidinyl]oxy]acetic acid. phenylmethyl ester (3.6g) was dissolved in 5 ml of dichloromethane and the solution was cooled to -10° C. Trifluoroacetic acid (25ml) was added dropwise and the mixture was stirred for 20 minutes at -10° C. After evaporation, the residue was treated with ether yielding 2.5 g of the title compound.

1. customAfter evaporation
2. additionthe residue was treated with ether yielding 2.5 g of the title compound