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- W2347250057 abstract "p-Toluenesulfonic acid was used as the catalyst for the condensation of glycerol with benzaldehyde to mixtures of 2-phenyl-1,3-dioxan-5-ol(the six ring) and 2-phenyl-1,3-dioxolane-4-methanol(the five ring).The optimum conditions were as follows:molar ratio of benzaldehyde to glycerol is 1 ∶ 1.3,the mass of catalyst is 1.5 g,the reaction needs 4 h,and the volume of ligroin is 50 m L.Under the optimum conditions,the yield of benzaldehyde glycerol acetal showed the maximum conversion of 95.6%.Investigated the transformation of the five ring to the six ring in different factors.Then,2-phenyl-1,3-dioxan-5-ol was isolated from a mixture of toluene and ligroin,the purity of the product is 95.4%.The characterization of target products were analyzed by means of GM-MS and1 H NMR." @default.
- W2347250057 created "2016-06-24" @default.
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- W2347250057 date "2014-01-01" @default.
- W2347250057 modified "2023-09-23" @default.
- W2347250057 title "Synthesis of 2-phenyl-1,3-dioxan-5-ol from glycerol and benzaldehyde catalysed by p-toluenesulfonic acid" @default.
- W2347250057 hasPublicationYear "2014" @default.
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