申请人:Aderis Pharmaceuticals, Inc.
公开号:US06372920B1
公开(公告)日:2002-04-16
The present invention relates to a process for preparing optically active and racemic nitrogen-substituted 2-aminotetralins of the following Formula (I):
wherein R1, R2, R3, R4, and n are set in the specification, wherein the process comprises alkylating the corresponding unsubstituted 2-aminotetralin of Formula (II):
with a reactant of the Formula (III):
Z—(CH2)n—R3 (III)
wherein Z is a leaving group, in the presence of a base, wherein the base is selected from the group consisting of alkali metal carbonate and alkali metal bicarbonate, and wherein the amount of the base is less than about a 1.9-fold molar excess with respect to the amount of the 2-aminotetralin.
本发明涉及一种制备光学活性和消旋氮取代的2-氨基四氢萘的方法,其化学式如下(I):其中R1、R2、R3、R4和n在说明书中已设定,该方法包括烷基化相应的未取代2-氨基四氢萘的化学式为(II)的物质,使用化学式为(III)的反应物:Z—(CH2)n—R3(III),其中Z是一个离去基团,在碱的存在下进行,所述碱被选择自碱金属碳酸盐和碱金属重碳酸盐组成的群体,且碱的量少于大约相对于2-氨基四氢萘的量的1.9倍摩尔过量。