Abstract

4-Quinolylmethyl (4-QUI) esters are reduced by palladium-catalyzed hydrogenolysis by formate anion. The reaction conditions are compatible with reducible substituents or functional groups as aromatic bromo, alkene, aldehyde, ketone, nitrile, ethyl and benzyl esters. An allyl ester is cleaved selectively in the presence of a 4-QUI ester. 1-Naphthylmethyl (1-NAP) esters of α-amino acids could be deprotected without any racemization by the same methodology.

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