A NEW APPROACH TO THE SYNTHESIS OF ISOMERIC E,Z-AND E,E-BIS(STYRYL)SULFONES AND A STUDY OF THEIR CYCLOPROPANATION

A NEW APPROACH TO THE SYNTHESIS OF ISOMERIC E,Z-AND E,E-BIS(STYRYL)SULFONES AND A STUDY OF THEIR CYCLOPROPANATION

The E,Z-and E,E-bis(styryl)sulfones (V & X) have been synthesized from 4-methylphenylacetylene (I) and 4-methylstyrene (VI), respectively. The cyclopropanation of V and X with dimethylsulfoxonium methylide by PTC or Corey and Chaykovsky methods gave E,E-1,1′-bis(2-arylcyclopropyl)sulfones (XI) o...

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Veröffentlicht in:Phosphorus, sulfur, and silicon and the related elements sulfur, and silicon and the related elements, 1993-11, Vol.84 (1-4), p.63-71
Hauptverfasser: Reddy, D. Bhaskar, Ramana Reddy, P. V., Vijayalakshmi, S., Ramana Reddy, M. V.
Format: Artikel
Sprache:eng
Schlagworte:
Alicyclic compounds
Alicyclic compounds, terpenoids, prostaglandins, steroids
Chemistry
cyclopropanation
dimethylsulfoxonium methylide
E,Z and E,E-bis(styryl)sulfones
Exact sciences and technology
Knoevenagel condensation
Organic chemistry
phase transfer catalysis
Preparations and properties
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Zusammenfassung:The E,Z-and E,E-bis(styryl)sulfones (V & X) have been synthesized from 4-methylphenylacetylene (I) and 4-methylstyrene (VI), respectively. The cyclopropanation of V and X with dimethylsulfoxonium methylide by PTC or Corey and Chaykovsky methods gave E,E-1,1′-bis(2-arylcyclopropyl)sulfones (XI) only. The spectral parameters of these compounds have been discussed.
ISSN:1042-6507
1563-5325
DOI:10.1080/10426509308034316