(2-Aminopyrimidin-5-yl)boronic acid → 5-(7-methyl-4-morpholino-6-((4-N-cyclopropylsulfonylpiperazin-1-yl)methyl)thieno[3,2-d]pyrimidin-2-yl)pyrimidin-2-amine

Participants

Reaction Steps

2-Chloro-6-(4-cyclopropanesulfonyl-piperazin-1-ylmethyl)-7-methyl-4-morpholin-4-yl-thieno[3,2-d]pyrimidine was reacted with 2-aminopyrimidine-5-boronic acid in General Procedure A. Purification on silica and recrystallization from hot DCM/hexane gave 271. NMR (CDCl3): 1.00-1.04 (2H, m), 1.18-1.22 (2H, m), 2.27-2.33 (1H, m), 2.45 (3H, s), 2.67-2.70 (4H, m), 3.38-3.41 (4H, m), 3.86 (2H, s), 3.39-3.41 (4H, m), 4.03-4.05 (4H, m), 5.23 (2H, br), 9.35 (2H, s). MS (ESI+): MH+ 531.29 (70%)

Provenance & Evidence