Process for producing 3-hydroxy-&ggr;-butyrolactone derivatives
申请人:Daiso Co., Ltd.
公开号:US06268515B1
公开(公告)日:2001-07-31
A process for preparing a 3-hydroxy-&ggr;-butyrolactone derivative represented by the following formula (1):
wherein R is C1-C6 alkyl, 3 to 6-membered cycloalkyl, aralkyl, 2-alkenyl, acyl, &agr;-hydroxyalkyl, alkoxycarbonylalkyl or alkoxycarbonyl, which is characterized in treating 3-hydroxy-&ggr;-butyrolactone with a metal salt of hexamethyldisilazane and then, reacting it with an electrophilic reagent, optionally in the presence of a reaction promoter.