PROCESS FOR PREPARING SUBSTITUTED 8-AZABICYCLO[3.2.1] OCTAN-3-OLS
申请人:Schering-Plough Ltd.
公开号:EP1791838A2
公开(公告)日:2007-06-06
US7459556B2
申请人:——
公开号:US7459556B2
公开(公告)日:2008-12-02
[EN] PROCESS FOR PREPARING SUBSTITUTED 8-AZABICYCLO[3.2.1] OCTAN-3-OLS<br/>[FR] PROCEDE PERMETTANT DE PREPARER DES 8-AZABICYCLO[3.2.1] OCTAN-3-OLS SUBSTITUES
申请人:SCHERING PLOUGH LTD
公开号:WO2006031788A2
公开(公告)日:2006-03-23
The present invention relates to a process for preparing substituted 8-azabicyclo[3.2.1]octan-3-ols having the structural formula (I) or a pharmaceutically acceptable salt or solvate thereof, wherein R is benzyl, R5-benzyl, allyl, -C(O)R6, -C(O)OR8 or -CH(R7)2; R1 is optionally substituted aryl or optionally substituted heteroaryl; and R5, R6, R7 and R8 are as defined in the specification; comprising a) reacting an amine of formula (II) R-NH2 II with 2,5-dimethoxytetrahydrofuran or HC(O)(CH2)2C(O)H, and C(O)(CH2C(O)OR4)2, wherein R4 is H or alkyl, to obtain a compound of formula III b) reacting a compound of formula (III) with I-R1, alkyl lithium, and optionally a lithium salt, to obtain a compound of formula I; and c) optionally converting a compound of formula I wherein R is benzyl, R5-benzyl, allyl, -C(O)R6 or -C(O)OR8 to a compound of formula I wherein R is -CH(R7)2. Intermediates in the process are also claimed.