发明授权
US4022817A Esters prepared from diacylium complexes of tetrahaloterephthalic acid
失效
由四卤对苯二甲酸二酰基络合物制备的酯
- 专利标题: Esters prepared from diacylium complexes of tetrahaloterephthalic acid
- 专利标题(中): 由四卤对苯二甲酸二酰基络合物制备的酯
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申请号: US613472申请日: 1975-09-15
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公开(公告)号: US4022817A公开(公告)日: 1977-05-10
- 发明人: James O. Knobloch , Fausto Ramirez
- 申请人: James O. Knobloch , Fausto Ramirez
- 申请人地址: IL Chicago
- 专利权人: Standard Oil Company (Indiana)
- 当前专利权人: Standard Oil Company (Indiana)
- 当前专利权人地址: IL Chicago
- 主分类号: C07C51/60
- IPC分类号: C07C51/60 ; C07C63/68 ; C07C67/00 ; C07C69/76
摘要:
Diacylium complexes of tetrahaloterephthalic acid can be produced by reacting tetrahaloterephthalic acid with sulfur trioxide to form compounds capable of reacting with various nucleophilics.
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