Triethylamine → {2-[4-[1,3]Dioxolan-2-ylmethyl-5-(4-fluoro-phenyl)-1-isopropyl-1H-pyrazol-3-yl]-ethyl}-carbamic acid benzyl ester

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Reaction Steps

A solution of [3-(isopropyl-hydrazono)-propyl]-carbamic acid benzyl ester (1.0 mg, 3.8 mmol), 2-[3-(4-fluoro-phenyl)-2-nitro-allyl]-[1,3]dioxolane (0.96 mg, 3.8 mmol), and Et3N (1.53 g, 15.2 mmol) in THF (40 mL) was stirred at 60° C. for 3 days. The mixture was cooled to rt, concentrated, and the residue purified by FCC to give the title compound.

Provenance & Evidence