2-Vinylpyridine → HCID 57876235, compound

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Reaction Steps

The title compound was prepared according to General Method 3. 8-Chloro-2,3,4,5-tetrahydro-2-methyl-5-(2-(pyridin-2-yl)ethyl)-1H-pyrido[4,3-b]indole was prepared from 8-chloro-2,3,4,5-tetrahydro-2-methyl-1H-pyrido[4,3-b]indole (See Example 4) (220 mg, 1 mmol), 2-vinylpyridine (1 ml, 18 mmol), sodium (20 mg, 0.87 g atom) and CuSO4 (20 mg, catalytic) in ethanol (5 mL) at 150° C. for 16 h (overnight) to obtain 38 mg of 8-chloro-2,3,4,5-tetrahydro-2-methyl-5-(2-(pyridin-2-yl)ethyl)-1H-pyrido[4,3-b]indole after purification on reverse-phase chromatography (C-18, 500 mm×50 mm, Mobile Phase A=0.05% TFA in water, B=0.05% TFA in acetonitrile, Gradient: 10% B to 80% B in 30 min, injection vol, 5 mL) followed by purification on silica gel (230-400 mesh) chromatography eluting with methanol-dichloromethane gradient.

Provenance & Evidence