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New Methodologies for the Oxidation of Fischer Carbene Complexes: Synthesis of Hydrazides

✍ Scribed by Perdicchia, Dario; Licandro, Emanuela; Maiorana, Stefano; Vandoni, Barbara; Baldoli, Clara

Book ID
126444870
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
54 KB
Volume
4
Category
Article
ISSN
1523-7060

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Reactivity of carbanions of Fischer-type carbene complexes with pyrylium salts. Synthesis of new Ξ³-methylenepyran carbene complexes via an addition-oxidation-deprotonation process
✍ Bertrand Caro; Pascal Le Poul; FranΓ§oise Robin-Le Guen; Marie-Claude SΓ©nΓ©chal-To πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 French βš– 232 KB

The condensation reaction between y-unsubstituted pyrylium salts and carbanions of Fischertype cmbcne complexes allowed the synthesis of new y -methylenepyran carbene complexes. 13C NMR data and single cristal X-ray analysis suggest a delocalisation of the oxygene lone pair of the heterocycle.