Six-Step Synthesis of (S)-Brevicolline from (S)-Nicotine

Abstract
[reaction: see text] A six-step synthesis of (S)-brevicolline from (S)-nicotine is reported. Regioselective trisubstitution of the pyridine ring of nicotine, followed by successive Suzuki cross-coupling and Buchwald amination reactions, afforded the enantiopure beta-carboline alkaloid, brevicolline.

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