发明名称 METHOD FOR PRODUCING HALOGEN-SUBSTITUTED BENZENEDIMETHANOL
摘要 A method for producing 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 each independently represent a hydrogen atom or a halogen atom, provided that X 1 , X 2 , X 3 and X 4 are not hydrogen atoms at the same time, by reacting a halogen-substituted terephthalic acid represented by the formula (1): wherein X 1 , X 2 , X 3 and X 4 are the same meanings as defined above, with a borohydride compound in an organic solvent, followed by contacting the obtained reaction mixture with hydrogen chloride at 40 to 70°C.
申请公布号 EP1978008(A4) 申请公布日期 2009.02.25
申请号 EP20070713673 申请日期 2007.01.16
申请人 SUMITOMO CHEMICAL COMPANY, LIMITED 发明人 HAGIYA, KOJI
分类号 C07C29/147;C07B61/00;C07C33/46 主分类号 C07C29/147
代理机构 代理人
主权项
地址