发明名称 |
Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetals |
摘要 |
A process for preparing pure fluoral hydrate or hexafluoroacetone hydrate which comprises reacting a hemiacetal with the formula <IMAGE> wherein R is hydrogen or CF3, with water in a distillation column, removing respectively the methanol or ethanol produced at the head of the column, and recovering at the bottom of the column the pure hydrate so produced.
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申请公布号 |
US4642386(A) |
申请公布日期 |
1987.02.10 |
申请号 |
US19850755702 |
申请日期 |
1985.07.16 |
申请人 |
ATOCHEM |
发明人 |
CHEMINAL, BERNARD;MATHAIS, HENRI;THOMARAT, MARC |
分类号 |
C07C43/13;C07C27/00;C07C29/10;C07C29/132;C07C29/60;C07C29/80;C07C31/38;C07C31/42;C07C41/00;C07C41/28;C07C41/48;C07C41/58;C07C43/313;C07C43/317;C07C67/00;(IPC1-7):C07C45/00 |
主分类号 |
C07C43/13 |
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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