Boron tribromide → HCID 71139195, compound

Participants

Reaction Steps

Reaction of 147i (0.08 g, 0.25 mmol) with 1M BBr3 (0.38 mL) in dry CH2Cl2 (5 mL) within 48 h according to procedure 148a afforded pure 149i (65 mg, 88%) as olive green color solid. 1H NMR (400 MHz, CDCl3) δ 8.65 (d, J=5.3 Hz, 2H), 8.55 (s, 1H), 7.62 (d, J=8.0 Hz, 2H), 7.42 (m, 5H), 6.99 (d, J=7.5 Hz, 1H), 6.67 (t, J=7.0 Hz, 1H), 5.85 (s, 2H). 13C NMR (100 MHz, CDCl3) δ 170.05, 155.32, 150.25, 147.44, 138.22, 135.48, 130.91, 128.80, 127.55, 121.48, 113.73, 111.94, 59.91. HRMS (EI) calcd for C17H14N2OS [M]+ 294.0827. found 294.0823.

Provenance & Evidence