1-Benzoyl-2-isopropylhydrazine → HCID 86711422, compound

Participants

Reaction Steps

To solution containing (E)-3-(1-(tert-butoxycarbonyl)-1H-indol-3-yl)acrylic acid (1000 mg, 3.48 mmol), N′-isopropylbenzohydrazide (930.51 mg, 5.22 mmol) and HATU (1985.12 mg, 5.22 mmol) dissolved in DMF (15.0 ml), N,N-diisopropylethylamine (DIPEA)(0.90943 ml, 5.22 mmol) was slowly drop-wise added and stirred at room temperature for 12 hr. The reaction mixture was diluted with EtOAc, washed with water and brine, dried with anhydrous MgSO4 filtered, and concentrated under reduced pressure. The residue was separated through silica gel chromatography (n-hexane:EtOAc=3:1) and dried so that ivory (E)-tert-butyl 3-(3-(2-benzoyl-1-isopropylhydrazinyl)-3-oxoprop-1-enyl)-1H-indole-1-carboxylate was obtained as white solid (970 mg, 62.3%).

Provenance & Evidence