Production of cyclic acetal

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专利汇可以提供Production of cyclic acetal专利检索,专利查询,专利分析的服务。并且PURPOSE: The reaction between a 1,2-epoxyalcohol and a carbonyl compound in the presence of an acid catalyst affords the titled compound having an oxygen-containing five-membered ring used as a synthetic intermediate of insecticide in high selectivity.
CONSTITUTION: The reaction of a 1,2-epoxyalcohol such as glycidol, 3,4-epoxy-2- methylpentan-2-ol, 2,3-epoxycyclopentan-1-ol with a carbonyl compound such as formaldehyde, acetaldehyde or cyclohexanecarbaldehyde is conducted in the presence of an acid catalyst such as iron chloride, aluminum bromide or p-toluenesulfonic acid to produce a cyclic acetal bearing an oxygen-containing five-membered ring such as 2-hydroxy-8,8-dimethyl-7,9-dioxabicyclo[4,3,0]nonane.
COPYRIGHT: (C)1981,JPO&Japio,下面是Production of cyclic acetal专利的具体信息内容。

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