Sodium triacetoxyborohydride → {6-Methyl-8-[4-(1-phenyl-1H-pyrazol-3-ylmethyl)-[1,4]diazepan-1-yl]-quinolin-7-yloxy}-acetic acid ethyl ester

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Reaction Steps

A mixture of (8-[1,4]diazepan-1-yl-6-methyl-quinolin-7-yloxy)-acetic acid ethyl ester (600 mg, 1.75 mmol), 1-Phenyl-1H-pyrazole-3-carbaldehyde (300.8 mg, 1.75) and NaBH(OAc)3 (408 mg, 1.92 mmol) in DCE (5 ml) was stirred at rt for 3 hrs. The reaction was then diluted with DCE (20 ml), filtered, and purified by flash column chromatography on silica gel to give the desired product (500 mg, 57%). MS (ES) m/z 500.2 (M+H+).

Provenance & Evidence