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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 120 (1987), S. 597-599 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: 2,5-Dimethyl-1,2,3-diazaphosphole (1a) reacts with diphenyldiazomethane (2) on warming; with loss of N2 and addition of the Ph2C group to the PC-bond an anellated phosphirane ring (4) is formed. The order of reactivity of 1 suggests a primary cycloaddition of 2 to 1 with PC and CN linking. - 5-(Ethoxycarbonyl)-2-phenyl-1,3,4-thiazaphosphole (8) reacts with 2 already at room temperature to yield among other products the corresponding bicyclus 9.
    Notes: 2,5-Dimethyl-1,2,3-diazaphosphol (1a) reagiert beim Erwärmen mit Diphenyldiazomethan (2); unter Abspaltung von N2 entsteht durch Addition der Ph2C-Gruppe an die PC-Bindung ein anellierter Phosphiranring (4). Die Abstufung der 1-Reaktivität legt eine primäre Cycloaddition von 2 an 1 unter PC/CN-Verknüpfung nahe. - 5-(Ethoxycarbonyl)-2-phenyl-1,3,4-thiazaphosphol (8) reagiert schon bei Raumtemp. mit 2 u.a. zu dem entsprechenden Bicyclus 9.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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