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Acid–base bifunctional catalysts are of particularly interest, but also present great challenges in synthesis and applications. In this study, acid–base bifunctional graphene oxide hybrids were obtained by the modification of graphene oxide (GO) through a silylation reaction and radical addition. The obtained bifunctional hybrids displayed high acid and base catalytic activities towards a typical one-pot acid–base reaction sequence called deacetalization–nitroaldol reaction.
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Li et al. (2013) studied this question.
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