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'Diazaphosphorinones' in keywords Facet   Publication Year 1996  [X]
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1996[X]
1Author    Frank Borkenhagen, Ion Neda, H. Olger Thönnessen, PeterG. Jones, R. Einhard, Schm UtzlerRequires cookie*
 Title    Synthesis and Characterization o f 2-Substituted 5 Darstellung und Charakterisierung von 2-substituierten 5,6-Benzo-l-methyl  
 Abstract    ,6 -B en zo -l-m eth y l-3 -R -l,3 ,2 -diazaphosphorin-4-ones (R = 2-M orpholinoethyl, 1-Adam antyl) C ontaining Phosphorus w ith Coordination N um bers T hree, Four and Five The reaction of N-methylisatoic anhydride with 2-morpholinoethylamine or 1-amino-adamantane furnished N-methyl-N'-(2-morpholinoethyl)anthranilamide 1 and N-methyl-N'-(l-adamantyl)anthranilamide 2, respectively. 1 and 2 are intermediates in the synthesis of the 2-chloro-3-methyl-1,3,2 A'-diazaphosphorinones 3 and 4 by reaction of 1 and 2 with PCI,. The reaction of 3 with bis(2-chloroethyl)amine hydrochloride/triethylamine or (2-chloroethyl)amine hydrochloride/triethylamine formed the 2-substituted diazaphosphorinones 5 and 6. Hydrolysis of 3 led to the 2-oxo-A4P-compound 7. The reaction of 6 with hexafluoroacetone furnished the (A5) phosphorane 8. 5 reacted with C7H8Cr(CO)4 to form complex 9 whereas oxidation of 5 with the H20 2: urea 1:1 adduct yielded the phosphoryl compound 10. The crystal structure of 1 displays two independent molecules that show different chain conformations. Both molecules form chains parallel to the y-axis by intermolecular N (am ide)-H -0(am ide) bonds. The crystal structure of 6 shows a half-boat conformation for the phosphorinone ring; the P atom lies out of the plane. Again the molecules are linked by H-bonds into chains parallel to the y-axis. 
  Reference    Z. Naturforsch. 51b, 1627—1638 (1996); eingegangen am 14. März 1996 
  Published    1996 
  Keywords    Diazaphosphorinones, Oxidative Addition, X-Ray 
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 Identifier    ZNB-1996-51b-1627 
 Volume    51