Journal of Fluorine Chemistry p. 421 - 424 (1987)
Update date:2022-08-11
Topics:
Eapen, K. C.
Tamborski, C.
The zinc coupling reaction of 1,2-dichloroiodotrifluoroethane (I) in acetic anhydride-methylene chloride has been reinvestigated in more detail than its original disclosure.The expected coupling product C4F6Cl4 was shown to be an isomeric mixture of three components, CF2ClCFClCFClCF2Cl (II, 80percent), CFCl2CF2CF2CFCl2 (IIa, 15percent) and CF2ClCFClCF2CFCl2 (IIb, 5percent).In addition, other products e.g.CF2-CFCl, C6F9Cl5 and C8F12Cl6 were formed in minor quantities.A probable mode of formation of various byproducts via initial formation of CF2-CFCl and subsequent telomerization is presented.
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