发明授权
US07199257B1 Process for the synthesis of N-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulfonyl)-2-hydroxy-2-methylpropionamide 失效
合成N-(4-氰基-3-三氟甲基苯基)-3-(4-氟苯基磺酰基)-2-羟基-2-甲基丙酰胺的方法

Process for the synthesis of N-(4-cyano-3-trifluoromethylphenyl)-3-(4-fluorophenylsulfonyl)-2-hydroxy-2-methylpropionamide
摘要:
A new process is disclosed for the synthesis of racemic or optically pure N-[4-cyano-3-trifluoro-methyl-phenyl]-3[4-fluorophenyl-sulfonyl]-2-hydroxy-2-methylpropionamide. The process includes the formation of several novel intermediates in the synthesis.
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