Triethylamine → HCID 59389328, compound

Participants

Reaction Steps

Triethylamine (1.46 mL) was added to a solution of the compound of Example 238 (315 mg) in DMSO (10 mL). While the mixture was stirred at room temperature, sulfur trioxide-pyridine complex (829 mg) was added at once and the mixture was further stirred at room temperature for 1 hour. Subsequently, the reaction was quenched by adding water (100 mL). Filtration of the resulting crystals afforded the title compound as a colorless powder (187 mg).

Provenance & Evidence