50495-19-7

Upstream product

• 7727-37-9 nitrogen 
• 1020067-40-6 [MoBr₃(THF)(N,N-bis(diphenylphosphinomethyl)-2-aminopyridine)] 
• 1663-45-2 1,2-bis-(diphenylphosphino)ethane 
• 71-43-2 benzene 
• 40219-67-8 MoCl₄(dppe) 
• 31355-55-2 trichlorotris(tetrahydrofuran)molybdenum(III) 

Downstream Products

• 97133-85-2 [MoBr₂(1,2-bis(diphenylphosphino)ethane)2] 
• 40219-77-0 [Mo(CO)2(1,2-bis(diphenylphosphino)ethane)2] 
• 75400-23-6 bis(ethylenebis(diphenylphosphine))(2-n-butyldiazenido-N)iodomolybdenum 
• 75400-25-8 bis(ethylenebis(diphenylphosphine))(2-n-cyclohexylhydrazido^(2-)-N)iodomolybdenum hydrogen dichloride 
• 59930-49-3 bis(ethylenebis(diphenylphosphine))(2-n-octyldiazenido-N)iodomolybdenum 
• 31096-73-8 [MoCl₂(1,2-bis(diphenylphosphino)ethane)2] 
• 302-01-2 hydrazine 
• 32109-09-4 [MoH₄(1,2-bis(diphenylphosphino)ethane)2] 
• 130172-19-9 trans-{iron(II)hydrido dinitrogen(Me₂PCH₂CH₂PMe₂)2}{BPh₄} 

Relevant academic research and scientific papers

Mo- and W-N2 and -CO complexes with novel mixed P/N ligands: Structural properties and implications to synthetic nitrogen fixation

Four new ligands containing a pyridine or thiazole group and one or more N-(diphenylphosphinomethyl)amine functions have been prepared and employed for the synthesis of Mo(0) and W(0) carbonyl and dinitrogen complexes. For comparison coordination of the literature-known ligand N,N-bis(diphenylphosphinomethyl)-methylamine (PNP, 1) to such systems has been investigated as well. Two new ligands are N,N-bis(diphenylphosphinomethyl)-2-aminopyridine (pyNP2, 2) and N,N′-bis(diphenylphosphinomethyl)-2,6-diaminopyridine (PpyP, 3). In a third new ligand, N-diphenylphosphinomethyl-2-aminothiazole (thiazNP, 4), the pyridine group is replaced by thiazol. Finally, the pentadentate ligand N,N,N′,N′-tetrakis(diphenylphosphinomethyl)-2,6-diaminopyridine (pyN2P4, 5) has been synthesized. Coordination of ligands 2, 3 and 4 to low-valent metal centers is investigated on the basis of the three molybdenum carbonyl complexes [Mo(CO)3(NCCH3)(pyNP2)] (6), [Mo(CO)4(PpyP)] (7) and [Mo(CO)4(thiazNP)] (8), respectively, all of which are structurally characterized. Moreover, employing ligands 1 and 2 the two dinitrogen complexes [W(N2)2(dppe)(PNP)] (9) and [Mo(N2)2(dppe)(pyNP2) (10), respectively, are prepared. Both systems are investigated by vibrational and NMR spectroscopy; in addition, complex 10 is structurally characterized.

Double deprotonation of coordinated ethylimide to CH3CN: Molecular mechanism and relevance to the chemistry of Mo and W organoimides

Reaction of [MCl(NEt)(dppe)2]Cl (M = Mo, W) with n-BuLi in tert-butyl methyl ether under an N2 atmosphere yields the M(0) bis(dinitrogen) complexes [M(N2)2(dppe)2] and acetonitrile. A mechanism is proposed for this reaction which involves an anionic chloro-acetonitrile intermediate. The implications of these findings to the chemistry of Mo and W organoimides are discussed. The Royal Society of Chemistry 2006.

THE INFLUENCE OF THE STERIC PROPERTIES OF THE LIGANDS PR2Ph AND L ON THE FORMATION AND PROPERTIES OF THE COMPLEXES Mo(η6-PhPR2)(L)(PPh2CH2CH2PPh2), R = Et, L = PPhEt2 and R = Ph, L = PPh3, PR'3, CO, CNR, N2, H2

The reduction of MoCl4(DPPE) (DPPE = PPh2CH2CH2PPH2) with Mg or Na/Hg in the presence of 2 PPhR2 under Ar results in the formation of the new complexes Mo(η6-PhPR2)(PPhR2)(DPPE) when R is Ph(Ia) or Et(II).No η6-PhPR2 complex is obtained when R is Me because this small ligand forms strong Mo-P ?-bonds; nor is one obtained for R = Cy because of too much steric crowding.The limits for η6-complexation can be quantified in terms of cone angle sums.Complex Ia is very similar to Mo(η6-PhPMePh)(PMePh2)3 (IIIa) in that both react at similar rates with a variety of small ligands L = PMePh2, PMe2Ph, PMe3, P(OMe)3, N2, CO, CNBut and H2 via dissocation of a labile ?-bonded ligand.Several other less crowded η6-arylphosphinemolybdenum complexes including II do not have labile ligands at 25 degC.The new complexes Mo(η6-PhPPh2)(L)(DPPE) have been characterized by 31P and 1H NMR, IR and gas uptake measurements.Ia has a higher affinity for H2 than IIIa possibly because Mo(η6-PhPPh2)(H)2(DPPE) adopts a non-fluxional trans-configuration.The 31P chemical shift of the η6-bonded ligand in 8 derivatives of Ia and 12 of IIIa correlate with the sum of cone angles of the three ?-bonded ligands in each complex.

Modification of silicon and carbon electrodes with methacrylamide polymers containing covalently attached molybdenum dinitrogen complexes

Methacrylamide polymers with pendant monodentate, bidentate, and tridentate phosphine ligands (poly-P1, poly-P2, and poly-P3, respectively) have been synthesized. These polymers react with Mo(N2)2(PPh2Me)4 to form polymers with bound molybdenum dinitrogen complexes. Similarly, MoCl3(THF)3 reacts with poly-P3 to form MoCl3(poly-P3). These polymers have been used to modify silicon and carbon electrodes. These electrodes have been characterized by cyclic voltammetry and FT-IR spectroscopy. The redox chemistry of electrodes modified with Mo(N2)2(poly-P3)PPh2Me and Mo(N2)2(poly-P2)2 on silicon and carbon electrodes closely parallels that observed for their solution counterparts. However, reduction of MoCl3(poly-P3) and MoCl3(poly-P2)2 on silicon and carbon electrodes does not lead to formation of polymer-bound molybdenum dinitrogen complexes.