N,N-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine → n,n-Dimethyl-5-(4-morpholino-6-((4-n-methylsulfonylpiperazin-1-yl)methyl)thieno[3,2-d]pyrimidin-2-yl)pyrimidin-2-amine

Participants

Reaction Steps

2-Chloro-6-(4-methanesulfonyl-piperazin-1-ylmethyl)-4-morpholin-4-yl-thieno[3,2-d]pyrimidine, prepared via General Procedure B-3, was reacted with 2-dimethylamino-pyrimidine-5-boronic acid pinacol ester in General Procedure A. Purification on silica and ether trituration gave 244. NMR (CDCl3): 2.68-2.72 (4H, m), 2.82 (3H, s), 3.29 (6H, s), 3.29-3.33 (4H, m), 3.90 (2H, s), 3.90-3.94 (4H, m), 4.05-4.10 (4H, m), 7.31 (1H, br. s), 9.30 (2H, s). MS (ESI+): 519.3 (100%)

Provenance & Evidence