Sodium borohydride → HCID 117739239, compound

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Reaction Steps

Prepared by General Procedure U from ethyl 2-[(2,2,2-trifluoro-N-{2-oxo-2-[(2R)-2-(pyrrolidin-1-ylmethyl)pyrrolidin-1-yl]ethyl}acetamido)methyl]pyridine-4-carboxylate, using 5 equiv. of NaBH4. The residue was purified by column chromatography on silica gel using NH4OH (2%)+MeOH (20%) in CH2Cl2 to give the title as yellow oil. 1H NMR (300 MHz, CD3OD), δ ppm: 8.44 (d, 1H), 7.49 (s, 1H), 7.31 (d, 1H), 4.90 (s, 2H), 4.69 (s, 2H), 4.24 (m, 1H), 3.93 (s, 2H), 3.50-3.36 (m, 3H), 2.67-2.42 (m, 6H), 2.06-1.89 (m, 4H), 1.84-1.72 (s, 4H). ESI-MS (m/z): 333 [M+1].

Provenance & Evidence