Journal of Fluorine Chemistry p. 123 - 140 (1985)
Update date:2022-08-04
Topics:
Roesky, Herbert W.
The reaction of hexafluoroacetone (HFA) with CN- and SCN-compounds of main group and transition elements is described.The cyclic addition reactions to the CN-moiety is catalyzed by base, preferentially triethylamine.Of particular interest are the adducts of HFA with (SCN)2 and Hg(SCN)2.They are precursors for various new compounds containing six-membered rings.The elimination of oxygen by the rection of HFA with N=WCl3 may be considered as a new Wittig type reaction.The dimer of hexafluorothioacetone inserts into its S-C bond the carbon atom of an isonitrile group to yield five-membered rings.PCl5 adds to (CF3)2C=C(CN)2, prepared from HFA and CH2(CN)2, to form a six-membered phosphorus containing ring.
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