发明名称 Verfahren zur Herstellung von 1,2,2,2-Tetrafluorethyl-Difluormethyläther.
摘要 A process is provided for the low temperature preparation of CF3CHFOCHF2 which comprises reacting CF3CHClOCHF2 with hydrogen fluoride in the presence of an antimony pentachloride catalyst or mixture of antimony pentachloride and antimony trichloride. The mole ratio of CF3CHClOCHF2 to HF is in the range of about 1.0:0.1 to about 1:7.
申请公布号 DE69004717(D1) 申请公布日期 1994.01.05
申请号 DE1990604717 申请日期 1990.03.12
申请人 BOC HEALTH CARE, INC., LIBERTY CORNER, N.J., US 发明人 CICCO, CHARLES F., CLEVELAND HEIGHTS, OHIO 44118, US
分类号 B01J27/10;C07B61/00;C07C41/22;C07C43/12;(IPC1-7):C07C41/22 主分类号 B01J27/10
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