(7-methoxy-thiazolo[5,4-d]pyrimidin-2-yl)-carbamic acid phenyl ester 、
(R)-3-叔丁氧羰基氨基吡咯烷 在
乙醚 作用下,
以
乙腈 为溶剂,
反应 1.0h,
以to afford [1-(7-methoxy-thiazolo[5,4-d]pyrimidin-2-ylcarbamoyl)-pyrrolidin-3(R)-yl]-carbamic acid tert-butyl ester (1.99 g, 99%)的产率得到(R)-[1-(7-methoxy-thiazolo[5,4-d]pyrimidin-2-ylcarbamoyl)-pyrrolidin-3-yl]carbamic acid tert-butyl ester