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  • 1
    Electronic Resource
    Electronic Resource
    Silylierungs- und Desilylierungs-Experimente mit sterisch gehinderten Stannylphosphanen (1990)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 123 (1990), S. 1833-1835 
    Details
    ISSN: 0009-2940
    Keywords: Tin ; Tin-phosphorus compounds ; NMR, 1H, 31P, 119Sn ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Silylating and Desilylating Experiments with Sterically Hindered Stannyl PhosphanesMeP(SiMe3)2 reacts with tBu2Cl2 to give the four-membered ring (tBu2SnPMe)2 (1). Mixed silyl-stannyl-substituted phosphanes tBu3SnP(SiMe3)2 (2) and tBu2Sn[P(SiMe3)2]2 (3) are obtained by metathesis of LiP(SiMe3)2 with tBu3SnCl and tBu2SnCl2, respectively. Methanolysis of 2 and 3 yields the corresponding PH compounds tBu3SnPH2 (4) and tBu2Sn(PH2)2 (5). On heating of 5, the four-membered ring (tBu2SnPH)2 (6) is formed by a condensation reaction. The new compounds are characterized by NMR (1H, 31P, 119Sn) and mass spectroscopy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19901230913
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  • 2
    Electronic Resource
    Electronic Resource
    Ein neues PH-funktionelles Diphosphadistannetan: (tBu2SnPH)2 (1990)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 123 (1990), S. 1837-1839 
    Details
    ISSN: 0009-2940
    Keywords: Tin ; Tin-phosphorus heterocycles ; NMR, 1H, 31P, 119Sn ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A Novel PH-Functional Diphosphadistannetane: (tBu2SnPH)2The reaction of tBu2SnCl2 with NaPH2 in liquid ammonia yields the four-membered ring compound (tBu2SnPH)2 (1). The corresponding silyl compound, (tBu2SnPSiMe3)2 (2), is obtained by metallation of 1 with tBuLi and metathesis with Me3SiCL Both compounds are characterized by NMR analysis (1H, 31P, 119Sn) and 1 by an X-ray structure analysis; it reveals a planar heterocycle.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19901230914
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