反应详情

The title compound was prepared from 8-chloro-5-[(4-methoxyphenyl)sulfonyl]-6-methyl-5,6-dihydrophenanthridine (0.6 g, 1.50 mmol), cyclohexene (0.304 mL, 3.75 mmol), and 1.0 M boron tribromide in dichloromethane (9.0 mL, 9.0 mmol) according to the procedure and in the same manner as described in Example 1, step b. The crude product was purified by flash column chromatography on silica gel, eluting with dichloromethane to yield 4-[(8-chloro-6-methylphenanthridin-5(6H)-yl)sulfonyl]phenol (0.24 g, 0.63 mmol, 42%) as a white solid, m.p. 176-178° C.;

1. customThe crude product was purified by flash column chromatography on silica gel
2. washeluting with dichloromethane