Diisopropylethylamine → HCID 178502376, compound

Participants

Reaction Steps

To a solution of 0.5 M (S)-(+)-2,2-dimethylcyclopropane carboxylic acid in DMA (28.9 μL, 0.015 mmol;). and HATU (8.25 mg, 0.022 mmol) dissolved in DMA (0.5 mL), was added ((S)-1-{(S)-2-[4-(5′-Chloro-4′-{[6-((R)-2-methyl-piperazin-1-yl)-pyridine-3-carbonyl]-amino}-2′-trifluoromethyl-biphenyl-4-yl)-1H-imidazol-2-yl]-pyrrolidine-1-carbonyl}-2-methyl-propyl)-carbamic acid methyl ester 3 TFA (16 mg, 0.014 mmol; Preparation 53) and N,N-diisopropylethylamine (25.2 uL, 0.15 mmol) and the reaction mixture was stirred at RT overnight, concentrated, dissolved in 1:1 acetic acid:water (1.5 mL) and purified by reverse phase HPLC to provide the title compound (8.6 mg) as the di-TFA salt. (m/z): [M+H]+ calcd for C44H50ClF3N8O5 863.35 found 863.4.

Provenance & Evidence