Reactions of manganese and rhenium complexes with organic azides: Preparation of tetraazabutadiene derivatives

被引：25
作者：
Dipartimento di Chimica, Università ca'Foscari di Venezia, Dorsoduro, 2137, 30123, Venezia, Italy [1 ]
不详 [2 ]
机构：
[1] Dipartimento di Chimica, Università ca'Foscari di Venezia, 30123, Venezia, Dorsoduro
[2] Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università di Parma, Parco Area delle Scienze 17/a, 43100, Parma
来源：
Dalton Trans. | 2007年 / 6卷 / 661-668期
关键词：
61;
D O I：
10.1039/b613964g
中图分类号：
学科分类号：
摘要：
Azide complexes M(RN3)(CO)3P2BPh 4 1-3 M = Mn, Re; R = C6H5CH2, 4-CH3C6H4CH2, C6H 5, 4-CH3C6H4, C5H 9; P = PPh(OEt)2, PPh2(OEt) were prepared by allowing tricarbonyl MH(CO)3P2 hydride complexes to react first with Brønsted acid (HBF4, CF3SO3H) and then with organic azide in the dark. In sunlight the reaction yielded tetraazabutadiene M(η2-1,4-R2N4)(CO) 2P2BPh4 4-6 complexes or, with benzyl azide, imine M{η1-NHC(H)Ar}(CO)3P2BPh4 7 (Ar = C6H5, 4-CH3C6H4) derivatives. Tetraazabutadiene M(η2-1,4-R2N 4)(CO)2P2BPh4 complexes were also prepared by reacting dicarbonyl MH(CO)2P3 species first with Brønsted acid and then with an excess of organic azide. Complexes were characterised spectroscopically (IR, 1H, 31P, 13C, 15N NMR data) and by the X-ray crystal structure determination of complex Re{η2-1,4-(C6H 5CH2)2N4}(CO)2{PPh(OEt) 2}2BPh4 (5a). Strong evidence for coordination of the organic azide was obtained from the 15N NMR spectra of labelled M(C6H5CH215NN 15N)(CO)3P2BPh4 derivatives. © The Royal Society of Chemistry 2007.
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页码：661 / 668
页数：7
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