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'3 Dipolar Cycloreversion Reactions' in keywords
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1982 (1)
1Author    Klaus Burger, Herbert GothRequires cookie*
 Title    Positionsselektivität und Regiochemie bei Abfangreaktionen mit Heterokumulenen Cycloaddition Behaviour of Bis(trifluoromethyl) Substituted Nitrile Ylides [1] Site Selectivity and Regiochemistry of Trapping Reactions with Heterocumulenes  
 Abstract    3,3-bis(trifluoromethyl)-2,2-dihydro-l,4,2-oxazaphosphol-4-enes on thermolysis undergo a 1,3-dipolar cycloreversion reaction with formation of bis(trifluoro-methyl) substituted nitrile ylides and trimethyl phosphate. The nitrile ylides are trapped by N-8ulfinyl aniline, phenyl isocyanate, phenyl isothiocyanate, diphenyl ketene, and carbon disulfide. Site selectivity and regiochemistry of the [3 + 2]cycloaddition reactions are described. The results are compared with those obtained from [3 + 2]cycloaddition reactions of nitrile imines, nitrile oxides, alkyl, and aryl substituted nitrile ylides with heterocumulenes. 
  Reference    Z. Naturforsch. 37b, 473—485 (1982); eingegangen am 30. September 1981 
  Published    1982 
  Keywords    1, 3-Dipolar Cycloreversion Reactions, 2, 2-Dihydro-l, 4, 2-oxazaphosphol-4-enes, Trifluoromethyl Substituted 1, 3-Dipoles, Partially Fluorinated Heterocyclic Compounds 2, 2, 2-Trimethoxy- 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-0473.pdf 
 Identifier    ZNB-1982-37b-0473 
 Volume    37