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

Participants

Reaction Steps

2-Chloro-6-(4-benzenesulfonyl-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 ether trituration gave 272. NMR (CDCl3): 2.45 (3H, s), 2.67-2.70 (4H, m), 3.10-3.15 (4H, br), 3.86 (2H, s), 3.39-3.41 (4H, m), 4.03-4.05 (4H, m), 5.23 (2H, br), 7.55-7.60 (2H, m), 7.62-7.65 (1H, m), 7.79 (2H, d, J=8.6), 9.35 (2H, s). MS (ESI+): MH+ 567.27 (35%)

Provenance & Evidence