Chemoselective deprotection of benzyl esters in the presence of benzyl ethers, benzyloxymethyl ethers and n-benzyl groups by catalytic transfer hydrogenation
-COOBn, -PO(OH)OBn, -O-CBz and -N-CBz groups are efficiently and chemoselectively deprotected in the presence of Bn and BOM ethers and N-Bn groups by hydrogenolysis under catalytic transfer hydrogenation using 10 % palladium on carbon as the catalyst and cyclohexadine as the hydrogen donor.
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