| 发明名称 |
PREPARATION OF DIFLUOROACETIC ACID FLUORIDE AND DIFLUOROACETIC ACID ESTERS |
| 摘要 |
A method for preparing difluoroacetic acid fluoride, which comprises reacting a 1-alkoxy-1,1,2,2-tetrafluoroethane of the formula HCF2CF2OR1 wherein R1 is a C1-4 alkyl group in a gas phase in the presence of a metal oxide catalyst. |
| 申请公布号 |
CA2154847(A1) |
申请公布日期 |
1996.01.29 |
| 申请号 |
CA19952154847 |
申请日期 |
1995.07.27 |
| 申请人 |
ASAHI GLASS COMPANY LTD. |
发明人 |
OHARU, KAZUYA;KUMAI, SEISAKU |
| 分类号 |
B01J21/04;B01J21/06;C07B61/00;C07C41/06;C07C41/09;C07C43/12;C07C51/235;C07C51/58;C07C53/48;C07C67/14;C07C67/60;C07C69/63;(IPC1-7):C07C53/48 |
主分类号 |
B01J21/04 |
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