Diisopropylethylamine → HCID 86762367, compound

Participants

Reaction Steps

To a solution of methyl 2-(3-(5-hydroxypentyloxy)phenyl)thiazole-4-carboxylate (26), (32 mg, 0.10 mmol, 1.0 eq.) in ethyl acetate (1 mL) was added triphosgene (14 mg, 0.047 mmol, 1.4 eq) dissolved in a minimum amount of ethyl acetate, followed immediately by DIEA (26 μL, 20 mg, 0.15 mmol, 1.5 eq). The mixture was stirred at room temperature for 30 min, the precipitated DIEA hydrochloride was filtered off, and the filtrate evaporated to dryness in vacuo. The oily residue of crude compound 27 was used directly for the next step.

Provenance & Evidence