17499-98-8 → HCID 9809054, compound

Participants

Reaction Steps

A solution of bacteriochlorophyll a (15) (45 mg, 0.05 mmol, a product of Sigma-Aldrich Corp.) in a mixture of trifluoroacetic acid (1.2 mL) and water (0.3 mL) was kept at room temperature for 3 hours, concentrated in vacuum (˜20 mmHg) at room temperature, diluted with water and extracted with dichloromethane. The extracts were washed with water, dried, concentrated, and purified on Silica gel with a mixture of 5% MeOH—CHCl3 to give 31 mg (98%) of bacteriopheophorbide a (14).

Provenance & Evidence