Sodium borohydride → HCID 22660576, compound

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Reaction Steps

2-(4-Methyl-piperazine-1-carbonyl)-1H-indole-3-carbaldehyde (Example 51, 0.094 g) in ethyl acetate (1.5 mL) was treated with sodium borohydride (0.024 g) and stirred at ambient temperature for 3 h. The solvent was removed under reduced pressure, and the residue treated with saturated sodium hydrogencarbonate solution and extracted with dichloromethane. The organic extracts were dried over sodium sulfate, filtered, and concentrated. The residue was purified via silica gel chromatography, eluting with 1-8% methanol/dichloromethane, to afford the title compound (0.042 g).

Provenance & Evidence