Water → HCID 20202084, compound

Participants

Reaction Steps

To a solution of 1.2 g of 3H-phenoxazin-3-one in acetic acid (25 ml) was added K2Cr2O7 (3.7 g). A solution of chlorine in acetic acid was added dropwise to the resulting suspension. After disappearance of the starting material, as monitored by TLC, the reaction mixture was poured into 200 ml of H2O and the resulting precipitate was filtered (1.2 g) and chromatographed on silica gel to yield the title compound.

Provenance & Evidence