tert-butyl 2-(tert-butyldimethylsilyloxy)-3-(3-(4-(3-(hydroxyl-methyl)-5-methylisoxazol-4-yl)-5-methyl-6-(tetrahydro-2H-pyran-4-ylamino)pyrimidin-2-yl)phenoxy)propyl(methyl)carbamate 、
盐酸 在
甲醇 、
氨 作用下,
以
二氯甲烷 、
1,4-二氧六环 为溶剂,
反应 2.0h,
以to give 1-(3-(4-(3-(hydroxymethyl)-5-methylisoxazol-4-yl)-5-methyl-6-(tetrahydro-2H-pyran-4-ylamino) pyrimidin-2-yl) phenoxy)-3-(methylamino) propan-2-ol as a formic acid salt (white solid, 14 mg, 20% yield)的产率得到US10633389, Example 256-3