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1999 (1)
1Author    Bernhard Schreiner, Reinhold Urban, Anastassios Zografidis, Karlheinz Sünkel, Kurt Polborn, Wolfgang Beck, *. Sonderdruckanforderungen, ProfW. Beck, Herrn Professor, LawrenceF. DahlRequires cookie*
 Title    Metallkomplexe mit biologisch wichtigen Liganden, CXXI [1]. Orthopalladierte Enolate aus N-(Diphenylmethylen)-Schiff-Basen von a-Aminosäureestern als ambivalente 1,3-Dipole in [2+3]-Cyclo- additionsreaktionen. Strukturen einer Reihe von Cycloaddukten Metal Complexes of Biologically Important Ligands, CXXI [1]. Orthopalladated Enolates from N-(Diphenylmethylene) Schiff Bases of a-Amino Acid Esters as Ambivalent 1,3-Dipoles in [2+3] Cycloadditions. Structures of a Series of Cycloadducts  
 Abstract    Enolates of ortho-palladated N-(diphenylmethylene) Schiff bases from glycine esters (R3P)Pd[(C6H4)(C6H5)C=N-C(R')=C0 2R] were isolated and have been shown to be ambiva­ lent 1,3-dipoles in [2+3] cycloadditions. Tetracyanoethene, dimethyl acetylene dicarboxylate, dimethyl azodicarboxylate, thiobenzophenone, thione-S, 4-phenyl-l,2,4-triazoline-3,5-dione, diphenyl-ketene and phenylisocyanate are added at the palladium and the enolate (a-C) carbon atoms, whereas methyl propiolate, methyl acrylate, and the methyl esters of maleic and fumaric acid form [2+3] cycloadducts with the «-carbon and the imino carbon atoms of the enolates un­ der mild conditions. The structures of seven cycloadducts were determined by X-ray diffraction analyses. 
  Reference    Z. Naturforsch. 54b, 970—988 (1999); eingegangen am 3. Mai 1999 
  Published    1999 
  Keywords    N-(Diphenylmethylene)glycinate, Enolates, 1, 3-Dipoles, [2+3] Cycloaddition, X-Ray Data 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-0970.pdf 
 Identifier    ZNB-1999-54b-0970 
 Volume    54