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Generation of a Silylene Complex by the 1,2-Migration of Hydrogen from Silicon to Platinum

✍ Scribed by Gregory P. Mitchell; T. Don Tilley


Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
106 KB
Volume
37
Category
Article
ISSN
0044-8249

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1,2 and 1,6 Additions of Lithium Reagent
✍ Bertrand Caro; Pascal Le Poul; FranΓ§oise Robin-Le Guen; Marie-Claude SΓ©nΓ©chal-To πŸ“‚ Article πŸ“… 2000 πŸ› John Wiley and Sons 🌐 English βš– 282 KB πŸ‘ 1 views

1,2 and 1,6 additions of lithium reagents to Ξ³-methylenepyran Fischer-type carbene complexes are described. The 1,2 adducts obtained from alkynyllithium addition evolve by a 1,3 shift of the W(CO) 5 fragment to give allenyltungsten carbonyl intermediates. Reaction with degassed water affords