PROCESS FOR PREPARING 7H-PYRROLO[2,3-d]PYRIMIDINE DERIVATIVES AND SYNTHETIC INTERMEDIATES THEREOF
申请人:JAPAN TOBACCO INC.
公开号:US20200216470A1
公开(公告)日:2020-07-09
The present invention provides processes for preparing 7H-pyrrolo[2,3-d]pyrimidine derivatives, which are useful as a Janus kinase (JAK) inhibitor, intermediates thereof, and processes for preparing the intermediates. The present invention provides processes for preparing 3-[(3S, 4R)-3-methyl-6-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1,6-diazaspiro[3.4]octan-1-yl]-3-oxopropanenitrile using salts of (3S,4R)-1-benzyl-3-methyl-1,6-diazaspiro[3.4]octane with organic acids.
本发明提供了制备7H-吡咯并[2,3-d]嘧啶衍生物的方法,这些衍生物可用作Janus激酶(JAK)抑制剂,其中间体以及制备中间体的方法。本发明提供了使用(3S,4R)-1-苄基-3-甲基-1,6-二氮杂螺[3.4]辛烷的盐与有机酸制备3-[(3S,4R)-3-甲基-6-(7H-吡咯并[2,3-d]嘧啶-4-基)-1,6-二氮杂螺[3.4]辛烷-1-基]-3-氧代丙腈的方法。