Reactions of trans-bis[1,2-bis(diphenylphosphino)ethane]bis(dinitrogen)-tungsten and -molybdenum with α-ω-dibromides, Br(CH2)nBr (n= 2–12)
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 8,p. 1408-1415
- https://doi.org/10.1039/dt9800001408
Abstract
The reactions of trans-[M(N2)2(Ph2PCH2CH2PPh2)2](M = Mo or W) with Br(CH2)nBr under irradiation in benzene solution yield products which are a function of n. For n= 3, complexes containing the group N2(CH2)3Br are formed. For n= 4 or 5, complexes with rings N(CH2)n are formed and for n= 6–12 two series of complexes, containing either N2(CH2)nN2 or N2(CH2)nBr are isolated. Members of the two series may be isolated as diazenido-complexes [MBr{N2(CH2)nBr}(Ph2PCH2CH2PPh2)2] or [{µ-N2(CH2)nN2}{MBr(Ph2PCH2CH2PPh2)2}2] respectively, both of which can be protonated reversibly to hydrazido(2–)-forms.Keywords
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