Trityl chloride → HCID 22007310, compound

Participants

Reaction Conditions

Reaction Steps

0.62 g (25.88 mmol) of sodium hydride was added in portions at 60° C. to a suspension of 3.9 g (23.5 mmol) of 3-methylxanthine in 85 ml of dimethylformamide, and the mixture was stirred at this temperature for 1.5 hours and heated to 90° C. 6.6 g (23.67 mmol) of trityl chloride in 30 ml of dimethylformamide were then added and the mixture was stirred at 90° C. for 3 hours. The solid was then filtered off hot with suction and the filtrate was concentrated under reduced pressure, the residue was taken up in 1 N sodium hydroxide solution, the mixture was heated to 80° C. and the solid was filtered off with suction. The filtrate was brought to pH 4-5 using 2 N hydrochloric acid. The precipitate formed in this way was purified by flash chromatography on a silica gel column, dichloromethane/methanol (19/0.2). Yield:

Provenance & Evidence