Triethylamine → HCID 86683492, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 4-(7-(6-cyano-5-(trifluoromethyl)pyridin-3-yl)-8-oxo-6-thioxo-5,7-diazaspiro[3.4]octan-5-yl)-2-fluoro-N-(3-hydroxypropyl)benzamide (Compound 306, 80 mg, 0.15 mmol) and triethylamine (22 μL, 0.16 mmol) in THF (5 mL) was cooled to 0° C. Methanesulfonyl chloride (23 μL, 0.3 mmol) was added dropwise and the mixture was stirred at room temperature overnight. Brine and EtOAc were added and the aqueous layer was extracted with EtOAc (2×), the organics were combined, dried over sodium sulfate, and evaporated to dryness to afford crude 3-(4-(7-(6-cyano-5-(trifluoromethyl)pyridin-3-yl)-8-oxo-6-thioxo-5,7-diazaspiro[3.4]octan-5-yl)-2-fluorobenzamido)propyl methanesulfonate that was used as is.

Provenance & Evidence