(R)-6-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydropyrrolo[3,4-b]pyrrol-4(1H)-one → HCID 89793956, compound

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Reaction Steps

This compound (169 mg, 54% yield) as a brown solid was prepared according to the procedure described for Example 448, using 8-iodo-3-methyl-2-((1-methylcyclobutyl)amino)quinazolin-4(3H)-one (711) (303 mg, 0.82 mmol) and (R)-6-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydropyrrolo[3,4-b]pyrrol-4(1H)-one (705) (215 mg, 0.82 mmol) as the starting materials. 1H NMR (400 MHz, DMSO-d6) δ ppm 12.27 (1H, br.), 8.00 (1H, dd, J=7.6, 1.4 Hz), 7.85 (1H, dd, J=7.8, 1.4 Hz), 7.66 (1H, s), 7.15 (1H, t, J=7.7 Hz), 6.98 (1H, s), 6.81 (1H, s), 4.60 (1H, q, J=6.5 Hz), 3.41 (3H, s), 2.38 (2H, m), 2.14 (2H, m), 1.88 (2H, m), 1.67 (3H, s), 1.40 (3H, d, J=6.7 Hz). m/z (ESI, +ve) 378.2 (M+H)+.

Provenance & Evidence