N-Methylcyclopropanamine → HCID 24760149, compound

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Reaction Steps

The title compound was prepared from 3-[6′-methyl-4′-(4-trifluoromethyl-phenyl)-[2,2′]bipyridinyl-6-yl]-benzenesulfonyl chloride (example I.2) (0.200 g, 0.409 mmol) by treatment with commercially available N-cyclopropyl-N-methylamine [CAS-no. 5163-20-2] (0.16 ml, 2.05 mmol) in THF (5 mL) at 23° C. for 16 h. Diluted with EtOAc, washed with 5% citric acid, sat. NaHCO3-sol. and brine, dried organic layer over Na2SO4. Removal of the solvent in vacuum left a crude product, which was purified by silica gel column chromatography with EtOAc followed by trituration with diethyl ether/heptane to give the title compound (0.110 g, 51%) as a white solid. MS (ISP) 524.3 [(M+H)+]; mp 157° C.

Provenance & Evidence