(+)-(1S,1'R)-cis-1-{3'-[2-(5-amino-6-chloropyrimidin-4-ylamino)ethyl]-2',2'-dimethylcyclobutyl}ethanol 在
盐酸 、 sodium nitrite 、
ammonium hydroxide 作用下,
反应 1.25h,
以88%的产率得到(+)-(1S,1'R)-cis-1-{3'-[2-(7-amino-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl)ethyl]-2',2'-dimethylcyclobutyl}ethanol