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Synthesis 1994; 1994(2): 161-163
DOI: 10.1055/s-1994-25428
short paper
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Organophosphorus Compounds; 74: 1 Cyclopropyl-Substituted Phosphaalkenes

Andrej B. Kostitsyn* , Oleg M. Nefedov, Heinrich Heydt, Manfred Regitz
  • *N. D. Zelinskii Institute of Organic Chemistry, Russian Academy of Science, Leninskii Prospect 47, Moscow B-334, Russia
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Publikationsdatum:
17. September 2002 (online)

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The cyclopropanecarboxylic acid chlorides 5a-d reacted with tris(trimethylsilyl)phosphane (6) in benzene solution at - 3°C to furnish the cyclopropylcarbonylbis(trimethylsilyl)phosphanes 7a-d. These products underwent trimethylsilyl group shifts at 25°C to yield the phosphaalkenes 8a-d as mixtures of E- and Z-isomers.