反应详情

Prepared by the method described in Example 1 from ethyl acetoacetate (130 g, 1.0 mole), methyl thioglycolate (212 g, 2.0 moles) and sodium (53 g, 2.3 moles). The crude product is shaken with two portions of dichloromethane, filtered, and the filtrate stripped of solvent under reduced pressure to afford the product (90.1 g); mp 50°-53° C.

1. customPrepared by the method
2. filtrationfiltered