申请人:FUKAZAWA Yasuaki
公开号:US20100267963A1
公开(公告)日:2010-10-21
The present invention provides a method of producing 2-alkyl-3-aminothiophene derivative represented by Formula (4), the method comprising oxidizing a compound represented by the following Formula (1) to produce a compound represented by the following Formula (3) and reducing the compound represented by the following Formula (3):
wherein in Formula (1), Formula (3), and Formula (4), R represents an alkyl group, a cycloalkyl group, or a bicycloalkyl group; and X represents a hydroxyl group, a halogen atom acyloxy group, an alkylsulfonyl group, or an arylsulfonyl group.
本发明提供了一种制备由式(4)表示的2-烷基-3-氨基噻吩衍生物的方法,该方法包括氧化由以下式(1)表示的化合物以产生由以下式(3)表示的化合物,并还原由以下式(3)表示的化合物:其中在式(1)、式(3)和式(4)中,R表示烷基,环烷基或双环烷基;X表示羟基,卤素原子酰氧基,烷基磺酰基或芳基磺酰基。