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Facet   Publication Year 1995  [X]
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1Author    CorneliusG. Kreiter, Wolfgang Michels, Gerhard HeebRequires cookie*
 Title    Photoreaktionen von Dekacarbonyldirhenium mit A llen und unverzweigten Allenderivaten Photoreactions of Decacarbonyldirhenium with Allene and Unbranched Derivatives o f Allene  
 Abstract    Decacarbonyldirhenium (1) reacts upon U V irradiation with allene (2), 1,2-butadiene (3) and 2,3-pentadiene (4) preferentially by CO substitution and oxidative rearrangement to the corresponding enneacarbonyl-//-?/1:3-endiyl-dirhenium complexes 5, 9, and 15 and to the octacarbonyl-,«-//-:2-allene-dirhenium complexes 6, the stereoisomers 10, 11, and 16. A t ele­ vated temperature 5, 9, and 15 loose CO and yield by a reductive rearrangement also the complexes 6, 10, 11, and 16. In addition to these main products, depending upon the allene derivative used, various by-products are obtained. By-products of the reaction o f 1 with 2 are octacarbonyl-M-/73:3-(2,3-dimethylene-buta-l,4-diyl)dirhenium (7) and ^-^^-allene-hexacarbonyl-/!-//1:3-i-propene-l,3-diyl-dirheniurn (8). The photo reaction of 1 with 3 yields, in addition to 9-11 , tetracarbonyl-^3-(£'-5-ethylidene-4-methyl-2-cyclopenten-l-yl)rhenium (12) 
  Reference    Z. Naturforsch. 50b, 649—660 (1995); eingegangen am 28. September 1994 
  Published    1995 
  Keywords    Decacarbonyldirhenium, Photoreaction, Allene, Derivatives, Complexes 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-0649.pdf 
 Identifier    ZNB-1995-50b-0649 
 Volume    50