Neighbouring group participation
作者： Brian Capon
DOI: 10.1039/QR9641800045
关键词: Chemistry 、 Medicinal chemistry 、 Phenyl acetate 、 Functional group 、 Neighbouring group participation 、 Photochemistry 、 Intermolecular force 、 Nucleophile 、 Intramolecular force 、 Phenyl salicylate 、 Keto–enol tautomerism 、 General chemistry
摘要: Neighbouring-group participation in proton-transfer reactions is generally referred to as intramolecular general-acid or general-base catalysis [1]. Two types are possible. The first involves an proton transfer, either abstraction of a from reacting functional group by internal base donation one acid. intramolecularly catalysed enolization the anion 2-carboxy-acetophenone (see p. 370) and hydrolysis 2-methoxy-methoxybenzoic acid 342) examples which thought involve processes this type. In second type transfer intermolecular with attack nucleophile on molecule being facilitated basic group. phenyl salicylate 348) reaction process
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