- A Convenient Synthesis of Telluronium Ylides
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Several telluronium ylides were readily prepared by mixing the corresponding telluroxides and a variety of active methylene compounds in CHCl3 at ambient temperature or under reflux.Arylselenonium ylides could also be obtained in a similar way.
- Tamagaki, Seizo,Akatsuka, Ryuji,Kozuka, Seizi
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- A Gentle Method for the Preparation of a Variety of Ylides (As, Sb, Bi, S, Te, Thiouronium) from Diazo Compounds
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Bis(hexafluoroacetylacetonato)copper(II) is a very effective catalyst for the preparation of ylides from diazo compounds under mild conditions even down to room temperature.It appears that the lower the temperature at which the reaction can be conducted the purer the product which results.Its use in preparing arsonium, stibonium, bismuthonium, sulphonium, telluronium, and thiouronium ylides is described.
- Glidewell, Christopher,Lloyd, Douglas,Metcalfe, Shirley
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p. 319 - 321
(2007/10/02)
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