The present invention provides a method for producing a 7H-pyrrolo[2,3-d]pyrimidine derivative that is useful as a janus kinase (JAK) inhibitor; an intermediate of the 7H-pyrrolo[2,3-d]pyrimidine derivative; and a method for producing the intermediate. The present invention provides a method for producing 3-[(3S,4R)-3-methyl-6-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1,6-diazaspiro[3.4]octan-1-yl]-3-oxopropanenitrile, which uses a salt of an organic acid and (3S,4R)-3-methyl-1,6-diazaspiro[3.4]octane-1-carboxylic acid benzyl.
本发明提供了一种生产可用作janus激酶(JAK)
抑制剂的7H-
吡咯并[2,3-d]
嘧啶衍
生物的方法;一种7H-
吡咯并[2,3-d]
嘧啶衍
生物的中间体;以及一种生产该中间体的方法。本发明提供了一种生产 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,该方法使用一种有机酸的盐和(3S,4R)-3-甲基-1,6-二氮杂
螺[3.4]辛烷-1-
羧酸苄基。