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Synthesis 1996; 1996(1): 100-104
DOI: 10.1055/s-1996-4165
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Organophosphorus Compounds; 106. Tandem Ene Reactions of Phosphaalkynes with Terminal Alkenes as All-Carbon Enes

Thomas W. Mackewitz, Manfred Regitz*
  • *Fachbereich Chemie der Universität Kaiserslautern, Erwin-Schrödinger-Straße, D-67663 Kaiserslautern, Germany, Fax +49(631)2053921
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Publication Date:
31 December 2000 (online)

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Thermal reactions of the phosphaalkynes 1a-c with terminal alkenes such as allylbenzene, (1S)-(-)-β-pinene, or methylenecyclopentane lead to the corresponding diallyl-substituted phosphanes 9a-c, 11a-c, and 12 as the products of a double ene reaction.

tandem ene reaction - phosphoalkyne - terminal alkene - methylenecycloalkane - diallyl-substituted phosphane

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