(3-((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)methyl)oxetan-3-yl)methanol → Ethyl (3-{[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]methyl}oxetan-3-yl)methyl (4-{[4-{[6-bromo-2-(methylcarbamoyl)pyridin-3-yl]amino}-5-(trifluoromethyl)pyrimidin-2-yl]amino}-3-chlorobenzyl)phosphonate

Participants

Reaction Steps

Prepared analogously to Compound 44A using (4-{[4-{[6-bromo-2-(methylcarbamoyl)pyridin-3-yl]amino}-5-(trifluoromethyl)pyrimidin-2-yl]amino}-3-chlorobenzyl)phosphonate (Compound 58B, 200 mg, 0.321 mmol) and (3-{[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]methyl}oxetan-3-yl)methanol (Compound 44B, 99.0 mg, 0.337 mmol) to afford 160 mg of the title compound as a racemic mixture (56%). MS (ESI): m/z=899.74/901.72 [M+H]+. UPLC: tR=1.64 min (UPLC-TOF: polar—2 min).

Provenance & Evidence