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'Phosphororganic Azulene and Dihydropentalenes' in keywords
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1991 (1)
1Author    Jürgen Silberzahn, Hans Pritzkow, HansPeter LatschaRequires cookie*
 Title    Synthese und Kristallstruktur eines l(A5),4(A5)-Diphosphaazulens sowie dreier 1 -Phospha-1,6a-dihy dropentalene Synthesis and Crystal Structure o f a l(/l5),4(^5)-Diphosphaazulene and of Three 1 -Phospha-1,6a-dihydropentalenes  
 Abstract    The reaction o f acetylene-bis(phosphonous-bisdimethylamide) (1) with tetraphenyl-cyclo-pentadienone (2) yields a 1-phospha-1,6a-dihydropentalene (4), which can be sulfurized with CS2 to give the 1-thio-compound 5, and oxidized with H 20 2 to give the 1-oxo-compound 6. With dim ethyl-acetylenedicarboxylate (7) an amazingly stable l (/ 5),4(A5)-diphosphapen-talene (8) is generated, which reacts further with 7 to yield a l(/.5),4 (/5)-diphosphaazulene (9). The preparation o f the new molecules 4, 5, 6, 9 and the crystal structures o f 5 and 9 are reported. 
  Reference    Z. Naturforsch. 46b, 197—201 (1991); eingegangen am 15. Juni 1990 
  Published    1991 
  Keywords    Phosphororganic Azulene and Dihydropentalenes, Synthesis, Crystal Structure 
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 TEI-XML for    default:Reihe_B/46/ZNB-1991-46b-0197.pdf 
 Identifier    ZNB-1991-46b-0197 
 Volume    46