专利汇可以提供Production of o-methallyloxyphenol专利检索,专利查询,专利分析的服务。并且PURPOSE: The etherification reaction between catechol and methallyl chloride is carried out in a water-ketone mixed solvent in the presence of a specific base and an iodide of alkali metal as catalysts to produce selectively the titled compound used as starting compound of carbofuran insecticides.
CONSTITUTION: In the production of o-methallyloxyphenol by reaction between catechol and methallyl chloride, a catalyst consisting of a base selected from car bonates, bicarbonates of alkali metals and alkaline earth metals such as potassium bicarbonate and of an iodide of an alkali metal such as sodium iodide as well as a mixed solvent consisting of a ketone of R
1 COR
2 (R
1 is alkyl; R
2 is alkyl, phenyl, R
1 and R
2 bind to form 4W8C alkylene where acetone, methyl ethyl ketone and diethyl ketone are excluded) such as cyclohexanone, and of water are used.
EFFECT: The recovery of unreacting starting materials and catalyst can be done easily.
COPYRIGHT: (C)1983,JPO&Japio,下面是Production of o-methallyloxyphenol专利的具体信息内容。
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