3-(6-Amino-pyridin-3-yl)-1-oxa-3,8-diaza-spiro[4.6]undecan-2-one 、
2-氯-7-环戊基-N,N-二甲基-7H-吡咯并[2,3-d]嘧啶-6-甲酰胺 以gave 7-cyclopentyl-N,N-dimethyl-2-(5-(2-oxo-1-oxa-3,8-diazaspiro[4.6]undecan-3-yl)pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide as white solid (0.075 g, 0.139 mmol) in 50% yield的产率得到7-cyclopentyl-N,N-dimethyl-2-(5-(2-oxo-1-oxa-3,8-diazaspiro[4.6]undecan-3-yl)pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide