Abstract The regioselectivity of S-alkylation of SH-substituted purine bases with glycidol tends to grow with decreasing temperature. A procedure was developed for epoxidation of these compounds in wet liquid ammonia. The products were tested for immunostimulating activity.
![[14C]-6-Mercaptopurine Structure](https://image.chemsrc.com/caspic/439/157930-09-1.png)
