Triethylamine → HCID 70562067, compound

Participants

Reaction Steps

A mixture of the product from Step B (200 mg, 0.449 mmol), TFAA (283 mg, 1.35 mmol), triethylamine (136 mg, 1.35 mmol) and DMAP (165 mg, 1.35 mmol) in dichloromethane (20 mL) was stirred at room temperature for 2 h. The solvent was evaporated and the residue was purified by PREP-TLC eluting with PE/EA (3/1, v/v) to give the title compound as a colorless amorphous solid. LC/MS m/z=450.0 [M+Na]+.

Provenance & Evidence