发明名称 |
Catalyst composition and method for producing diaryl carbonates, using bisphosphines |
摘要 |
Hydroxyaromatic compounds such as phenol are carbonylated with oxygen and carbon monoxide in the presence of a catalyst system comprising a Group VIIIB metal, preferably palladium; an iodide salt, preferably sodium iodide; and at least one organic bisphosphine such as 1,3-bis(diphenylphosphino)propane or 1,4-bis(diphenylphosphino)butane. The catalyst system also preferably contains a compound of cerium or lead.
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申请公布号 |
US2001041807(A1) |
申请公布日期 |
2001.11.15 |
申请号 |
US20010780701 |
申请日期 |
2001.02.12 |
申请人 |
PATEL BEN PURUSHOTAM;SOLOVEICHIK GRIGORII LEV;OFORI JOHN YAW |
发明人 |
PATEL BEN PURUSHOTAM;SOLOVEICHIK GRIGORII LEV;OFORI JOHN YAW |
分类号 |
C07C68/00;(IPC1-7):C07C69/96 |
主分类号 |
C07C68/00 |
代理机构 |
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地址 |
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