In investigating the preparation of 2-acylglycerol by debenzylation of 1,3-di-O-benzyl-2-O-acylglycerol, twelve 1,3-di-O-benzyl-2-O-acylglycerols were synthesized. 2-O-Acyl moieties with one or more protons at the carbon atom adjacent to carbonyl group were found to migrate from C-2 to C-1 of the glycerol moiety during hydrogenation under Pd/C at room temperature.
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Zhang et al. (2006) studied this question.
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