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Metal-Promoted Cyclotrimerization of a λ3-Phosphaalkyne: Formation of Vanadium-Complexed Valence Isomers of a 1,3,5-Triphosphabenzene

✍ Scribed by Dr. Roman Milczarek; Dr. Wolfgang Rüsseler; Dr. Paul Binger; Prof. Dr. Klaus Jonas; Dr. Klaus Angermund; Prof. Dr. Carl Krüger; Prof. Dr. Manfred Regitz


Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
237 KB
Volume
26
Category
Article
ISSN
0044-8249

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A small variation in the vanadium reagent leads to a completely different product: The cyclooligomerization of phosphaalkynes 2 with tBuN=VCl ⋅DME (DME=1,2-dimethoxyethane) proceeds with incorporation of the imido fragment to give the azatetraphosphaquadricyclanes 1. In contrast, with the correspond