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New synthesis of allylidenecyclobutanes by the reaction of cyclobutylmagnesium carbenoids with vinyl sulfones

โœ Scribed by Masashi Ishigaki; Mio Inumaru; Tsuyoshi Satoh

Book ID
113929844
Publisher
Elsevier Science
Year
2011
Tongue
French
Weight
461 KB
Volume
52
Category
Article
ISSN
0040-4039

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๐Ÿ“œ SIMILAR VOLUMES

ChemInform Abstract: New Synthesis of Al
ChemInform Abstract: New Synthesis of Allylidenecyclobutanes by the Reaction of Cyclobutylmagnesium Carbenoids with Vinyl Sulfones.
โœ Masashi Ishigaki; Mio Inumaru; Tsuyoshi Satoh ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› John Wiley and Sons โš– 38 KB ๐Ÿ‘ 2 views

## Abstract The cyclobutylmagnesium carbenoids react with carbanions, generated according to B) or C) from vinylsulfones, to give the title compounds as versatile synthetic intermediates.

A new synthesis, including asymmetric sy
A new synthesis, including asymmetric synthesis, of alkylidenecyclopropanes by 1,2-CC insertion of cyclobutylmagnesium carbenoides as the key reaction
โœ Nobuhito Nakaya; Shimpei Sugiyama; Tsuyoshi Satoh ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 845 KB

Treatment of 1-chlorovinyl p-tolyl sulfoxides, derived from ketones and chloromethyl p-tolyl sulfoxide, with lithium enolate of carboxylic acid tert-butyl esters gave adducts in high yields. The adducts were converted to 1-chlorocyclobutyl p-tolyl sulfoxides in four steps in high overall yields. Tre