Preparation of substituted butenolides via palladium-free etherification and amination of masked mucohalic acids
申请人:Blazecka Garth Peter
公开号:US20050059831A1
公开(公告)日:2005-03-17
Methods and materials for preparing 4-substituted-2-buten-4-olides are disclosed. The methods include reacting a masked mucohalic acid with a primary or secondary amine or with an arylol in the presence of a base. Unlike existing processes, the disclosed methods do not require the use of palladium, which make them well suited for preparing intermediates in drug syntheses.
公开了制备4-取代-2-丁烯-4-醇内酯的方法和材料。该方法包括在碱存在下将掩蔽的黏膜酸与一级或二级胺或芳基醇反应。与现有的方法不同,公开的方法不需要使用钯,这使它们非常适合用于制备药物合成中间体。