1,5-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole → HCID 73437704, compound

Participants

Reaction Steps

Following the procedure for Example 101 starting from tert-butyl ((3S,4R,7S)-7-(4-(2-bromothiazole-4-carboxamido)-1-methyl-1H-pyrazol-5-yl)-3-fluorooxepan-4-yl)carbamate (Intermediate 99), and replacing 3,6-dihydro-2H-pyran-4-boronic acid pinacol ester with 1,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole gave 242. 1H NMR (400 MHz, DMSO-d6) δ 9.61 (s, 1H), 8.24 (s, 1H), 7.95 (s, 1H), 7.83 (s, 1H), 4.84 (dd, J=10.6, 3.8 Hz, 1H), 4.55-4.32 (m, 1H), 4.28-4.14 (m, 1H), 4.13-3.94 (m, 1H), 3.81 (s, 3H), 3.78 (s, 3H), 3.29-3.16 (m, 1H), 2.61 (s, 3H), 2.12-2.02 (m, 1H), 1.91-1.78 (m, 1H), 1.75-1.64 (m, 4H). LCMS (ES+) m/z 434 (M+1).

Provenance & Evidence