Reactions of cyano-iron and -ruthenium compounds with gem-dicyano-epoxides. A new pathway to vinyl isocyanide complexes of iron and ruthenium

DOI: 10.1039/dt9960003231

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 3231 - 3236 (1996)

Update date:2022-09-26

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Authors:

Kunz, Rainer

Le Grel, Philippe

Fehlhammer, Wolf Peter

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Article abstract of DOI:10.1039/dt9960003231

The cyano complexes [M(CN)(cp)(dppe)] (M = Fe or Ru, cp = η-C₅H₅, dppe = Ph₂PCH₂CH₂PPh₂) and the hydrogen isocyanide complex [Fe(cp)(dppe)(CNH)] Br reacted with gem-cyano and gem-cyano(ethoxycarbonyl) epoxides to give oxazol-2-yl and oxazolin-2-ylidene complexes, respectively. Treatment of the oxazol-2-yl complexes with alkyloxonium salts, R₃O⁺BF₄^- (R = Me or Et), resulted in ring opening to give multifunctional vinyl isocyanide complexes. The complexes were characterized by mass and NMR spectral techniques; in addition, a single-crystal structure determination was carried out on a vinyl isocyanide complex.

Full text of DOI:10.1039/dt9960003231

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