[EN] SYNTHESIS OF FLUORINATED OLEFINS FROM FLUORINATED ALCOHOLS<br/>[FR] SYNTHÈSE D'OLÉFINES FLUORÉES À PARTIR D'ALCOOLS FLUORÉS
申请人:DU PONT
公开号:WO2011090734A1
公开(公告)日:2011-07-28
Disclosed is a process for producing a hydrofluoroalkene, RfCF=CH2 comprising contacting a hydrofluoroalkanol of structure RfCF2CH2OH, with a lewis acid to produce a mixture, diluting said mixture with a solvent to produce a solvent mixture, contacting the solvent mixture with a reactive metal, heating the solvent mixture and reactive metal for a sufficient amount of time to produce a hydrofluoroalkene, and condensing and collecting the volatile products comprising the hydrofluoroalkene, wherein Rf is F, or a fluorine-substituted alkyl group.
Reductive dehalogenation of polyhalofluorocarbons with tributyltin hydride
作者:Michael Van Der Puy、Randolph K. Belter、Ralph J. Borowski、Lois A.S. Ellis、Phillip J. Persichini、Andrew J. Poss、Theodore P. Rygas、Harry S. Tung
DOI:10.1016/0022-1139(94)03153-q
日期:1995.3
The reduction of polyhalofluorocarbons, including ClCF2CFClCF2Cl, (ClCF2CFCl)2, ICH2(CF2)3CH2I and vicinal dichloro-perfluorocycloalkanes, with tributyltinhydride gave the corresponding hydrofluorocarbons in good to excellent yield. The results are compared with similar reductions with other reducing agents, and to tin hydridereductions of non-fluorinated analogs.
SYNTHESIS OF FLUORINATED OLEFINS FROM FLUORINATED ALCOHOLS
申请人:Stepanov Andrei Aleksandrovich
公开号:US20130197280A1
公开(公告)日:2013-08-01
Disclosed is a process for producing a hydrofluoroalkene, R
f
CF═CH
2
comprising contacting a hydrofluoroalkanol of structure R
f
CF
2
CH
2
OH, with a lewis acid to produce a mixture, diluting said mixture with a solvent to produce a solvent mixture, contacting the solvent mixture with a reactive metal, heating the solvent mixture and reactive metal for a sufficient amount of time to produce a hydrofluoroalkene, and condensing and collecting the volatile products comprising the hydrofluoroalkene, wherein R
f
is F, or a fluorine-substituted alkyl group.