4-(2-Methoxy-2-oxoethyl)benzylboronic Acid Pinacol Ester → HCID 90338586, compound

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Reaction Steps

Following general procedure H, 2-(3-chlorophenyl)-5,5-dioxido-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidin-4-yl trifluoromethanesulfonate (0.250 g, 0.56 mmol) was reacted with methyl 2-(4-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)phenyl)acetate (0.160 g, 0.56 mmol) to afford the title compound (0.058 g, 22%) as a white solid. MW=456.9. 1H NMR (CDCl3, 500 MHz) δ 8.28 (t, J=1.2 Hz, 1H), 8.30-8.26 (m, 1H), 7.52-7.45 (m, 3H), 7.42-7.37 (m, 1H), 7.23 (d, J=8.0 Hz, 2H), 4.60 (s, 2H), 3.67 (s, 3H), 3.60 (s, 2H), 3.50-3.45 (m, 2H), 3.18 (t, J=6.5 Hz, 2H), 2.54-2.48 (m, 2H); APCI MS m/z 457 [M+H]+.

Provenance & Evidence