发明名称 PROCESS FOR PRODUCTION OF HALOGEN-SUBSTITUTED BENZENEDIMETHANOL
摘要 A process for the production of a halogen-substituted benzenedimethanol represented by the formula (2): wherein X 1 , X 2 , X 3 and X 4 are the same or different and independently represent a hydrogen atom or a halogen atom, provided that at least one of X 1 , X 2 , X 3 and X 4 represents a halogen atom, comprising reacting a halogen-substituted terephthalic acid diester represented by the formula (1): wherein X 1 , X 2 , X 3 and X 4 are the same meanings as defined above and R 1 and R 2 are the same or different and independently represent an unsubstituted or substituted alkyl group, a metal borohydride compound and an acid in the presence of an ether solvent, wherein the amount of the acid is 0.2 to 3 moles per 1 mole of the metal borohydride compound based on protons, and the reaction is conducted under the condition where the liquid phase of the reaction mixture is a single layer.
申请公布号 EP2033944(A4) 申请公布日期 2010.04.07
申请号 EP20070745559 申请日期 2007.06.21
申请人 SUMITOMO CHEMICAL COMPANY, LIMITED 发明人 HAGIYA, KOJI
分类号 C07C29/147;C07C33/26 主分类号 C07C29/147
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