2,6-Divinyl-isonicotinic acid tert-butyl ester → 2,6-Diethylisonicotinic acid tert-butyl ester

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Reaction Steps

To a solution of 2,6-divinyl-isonicotinic acid tert-butyl ester (703 mg, 3.04 mmol) in MeOH (15 mL), Pd/C (50 mg, 10% Pd) is added and the mixture is stirred under 1 atm of H2 at rt for 15 h. The catalyst is filtered off and the filtrate is evaporated. The remaining residue is purified by CC on silica gel eluting with heptane:EA 5:1 to give 2,6-diethyl-isonicotinic acid tert-butyl ester (635 mg) as a colourless oil; LC-MS: tR=1.05 min, [M+1]+=236.13.

Provenance & Evidence