112597-08-7Relevant academic research and scientific papers
Oxygen-, sulfur-, and nitrogen-containing molybdenum complexes that bind dinitrogen
Adrian George,Jackson, Michael A.
, p. 924 - 926 (2008/10/08)
New bis(dinitrogen) complexes of molybdenum are reported containing oxygen, sulfur, and nitrogen ligands. The sodium amalgam reduction of MoCl3(trident), where trident = (Ph2PCH2CH2)2O (POP), (Ph2PCH2CH2)2NR [R = H (PNHP); R = Me (PNMeP)], (Ph2PCH2CH2CH2)2S (dpps), and (Ph2PCH2CH2CH2)2PPh (ttp), in THF solution in the presence of L, where L = PPh3, PMePh2, and PMe2Ph, led to the preparation of trans-Mo(N2)2(trident)(L). Formation of trans-Mo(N2)2(dpps)(L) represents the first example of any metal complex with a prior-coordinated sulfur atom binding N2. Reaction of Mo(N2)2(trident)(L), where trident = POP and dpps, with HBr in THF afforded ammonia, and with HBr in CH2Cl2, ammonia and hydrazine. Complexes Mo(N2)2(POP)(L) are the first N2 complexes with an oxygen-containing ligand to produce ammonia. Of the series of amine complexes only trans-Mo(N2)2(PNHP)(PMePh2) has been isolated pure. No ammonia was formed upon treatment with HBr/THF and only 1 mol of N2 was evolved per mole of complex.
