(5R)-2-chloro-4-((1-(hydroxymethyl)cyclobutyl)amino)-5-oxo-6,7-dihydrothieno[3,2-d]pyrimidine 、
2-(4-Fluorophenyl)-4,5,6,7-tetrahydrooxazolo[4,5-C]pyridine 在
N,N-二异丙基乙胺 作用下,
以
1,4-二氧六环 为溶剂,
以28.1 %的产率得到[1-[[(5R)-2-[2-(4-fluorophenyl)-6,7-dihydro-4H-[1,3]oxazolo[4,5-c]pyridin-5-yl]-5-oxo-6,7-dihydrothieno[3,2-d]pyrimidin-4-yl]amino]cyclobutyl]methanol