发明名称 |
Preparation of 1-chloro-2-trifluoromethyl-3,3,3-trifluoropropene from isobutane |
摘要 |
Isobutane is catalytically converted to 1-chloro-2-trifluoromethyl-3,3,3-trifluoropropene [(CF3)2C = CHCl] in a dehydro/chlorofluorination reaction zone by passing a mixture of anhydrous hydrogen fluoride, chlorine and the isobutane over a chromium oxide or metal fluoride dehydro/chlorofluorination catalyst. Alternatively, the isobutane feed is first prechlorinated, and the mixture of prechlorination fed for conversion to the desired (CF3)2C = CHCl, to a downstream fluorination reactor charged with the dehydro/chlorofluorination catalyst.
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申请公布号 |
US4110407(A) |
申请公布日期 |
1978.08.29 |
申请号 |
US19770853363 |
申请日期 |
1977.11.21 |
申请人 |
ALLIED CHEMICAL CORPORATION |
发明人 |
ANELLO, LOUIS G.;SWEENEY, RICHARD F.;SUKORNICK, BERNARD |
分类号 |
C07C17/00;C07C17/04;C07C21/18;(IPC1-7):C07C17/20 |
主分类号 |
C07C17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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