Free radicals derived from 1,4-diaza-1,3-butadiene: II. Adducts with metal carbonyls and reactions with derivatives of group VB elements |
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| Authors: | Angelo Alberti Andrew Hudson |
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| Institution: | Istituto dei Composti del Carbonio Continenti Eteroatomi e loro, C.N.R., 40064 Ozzano Emilia Italy;School of Molecular Sciences, University of Sussex, Brighton BN1 9QJ Great Britain |
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| Abstract: | The paramagnetic adducts formed when photochemically generated Mn(CO)5 or Re(CO)5 radicals are trapped by N,Nt?-di-t-butyl-1,4-diaza-1,3-butadiene (t-Bu-DAB) have been characterized by ESR spectroscopy. Adducts containing phosphorus have also been observed but attempts to produce adducts containing As, Sb or Bi have been unsuccessful. In a number of systems an identical ESR spectrum was observed. This has been shown to arise from the N,N′-di-t-butylpyrazinium cation. |
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