243974-14-3

Basic information

• Product Name: N(P(C₆H₅)3)2⁽¹⁺⁾*Mn(CO)3(C₆H₄S₂)^(1-) = [N(P(C₆H₅)3)2][Mn(CO)3(C₆H₄S₂)]
• CAS NO: 243974-14-3
• Molecular Weight: 817.787
• Mol File: 243974-14-3.mol

Chemical Properties

• CAS DataBase Reference: N(P(C₆H₅)3)2⁽¹⁺⁾*Mn(CO)3(C₆H₄S₂)^(1-) = [N(P(C₆H₅)3)2][Mn(CO)3(C₆H₄S₂)](CAS DataBase Reference)
• NIST Chemistry Reference: N(P(C₆H₅)3)2⁽¹⁺⁾*Mn(CO)3(C₆H₄S₂)^(1-) = [N(P(C₆H₅)3)2][Mn(CO)3(C₆H₄S₂)](243974-14-3)
• EPA Substance Registry System: N(P(C₆H₅)3)2⁽¹⁺⁾*Mn(CO)3(C₆H₄S₂)^(1-) = [N(P(C₆H₅)3)2][Mn(CO)3(C₆H₄S₂)](243974-14-3)

Safety Data

• Hazardous Substances Data: 243974-14-3(Hazardous Substances Data)

Upstream product

• 52542-59-3 bis(triphenylphosphineiminium) pentacarbonylmanganate^(1-) 
• 17534-15-5 Benzene-1,2-dithiol 
• 216777-87-6 N(P(C₆H₅)3)2⁽¹⁺⁾*Mn(CO)3(SC₆H₄NH)^(1-) = [N(P(C₆H₅)3)2][Mn(CO)3(SC₆H₄NH)] 
• 65013-26-5 bis(triphenylphosphoranylidene)ammonium borohydride 
• 352531-88-5 (Mn(CO)3)2SC₆H₄S₂C₆H₄S 
• 352531-72-7 (C₆H₅)3PNP(C₆H₅)3⁽¹⁺⁾*Mn(CO)3TeC₆H₄NH^(1-)=(C₆H₅)3PNP(C₆H₅)3Mn(CO)3TeC₆H₄NH 

Relevant articles and documents

A five-coordinate, sixteen-electron manganese(I) complex [Mn(CO)3(S,S-C6H4)]- stabilized by S,S π-donation from chelating [S,S-C6H4]2-

The five-coordinate, sixteen-electron manganese(I) complex [N(PPh3)2][Mn(CO)3(S,S-C6H 4)] 1 was prepared from reaction of [N(PPh3)2][Mn(CO)3(NH,S-C6H 4

Syntheses, reactivity, and π-donating ligand metathesis reaction of five-coordinate sixteen-electron manganese(I) complexes: Crystal structures of [Mn(CO)3(-TeC6H4-o-NH-)]-, [(Mn(CO)3)2 (μ-SC6H4 -o-S-S-C6H4-o-μ-S-)]

The preparation of the varieties of five-coordinate sixteen -electron manganese(I) complexes [Mn(CO)3(-EC6H4-o-E′-)]- (E = Te, Se, S, O; E′ = NH, S, O) by (a) oxidative addition of 2-aminophenyl dichalcogenides to anionic manganese(0)-carbonyl, (b) π-donating ligand metathesis reaction of complex [Mn(CO)3(-TeC6H4-o-NH-)]-, and (c) reduction/deprotonation of the neutral dimetallic [(Mn(CO)3)2(μ-SC6H4 -o-S-S-C6H4-o-μ-S-)]/[(CO)3Mn (μ-SC6H4-o-NH2-)]2 proved successful approaches in this direction. The IR νco data of the coordinatively and electronically unsaturated [Mn(CO)3(-EC6H4-o-E′-)]- (E = Te, Se, S, O; E′ = NH, S, O) complexes suggest the relative order of π-donating ability of the series of bidentate ligands being [TeC6H4-o-NH]2- > [SeC6H4-o-NH]2- > [SC6H4-o-NH]2- > [SC6H4-o-S]2- > [SC6H4-o-O]2- > [OC6H4-o-O]2-. Proton NMR spectra of the [Mn(CO)3(-EC6H4-o-NH-)]- (E =Te, Se, S) derivatives show the low-field shift of the amide proton (1H NMR (C4D8O): δ 9.66 (br) ppm (E = Te), 9.32 (br) ppm (E = Se), 8.98 (br) ppm (E = S)). The formation of the dimetallic [(CO)3Mn(μ-SC8N2H4-o-S-)] 22- can be interpreted as coordinative association of two units of unstable mononuclear [(CO)3Mn(-SC8N2H4-o-S-)] - and reflects the π-donating ability of the bidentate ligand is responsible for the formation of pentacoordinate, sixteen-electron manganese(I) carbonyl complexes. The neutral bimetallic manganese(I)-bismercaptophenyl disulfide complex [(Mn(CO)3)2(μ-SC6H 4-o-S-S-C6H4-o-μ-S-)] with internal S-S bond length of 2.222(1) A and the five-coordinate sixteen-electron complex [Mn(CO)3(-SC6H4-o-S-)]- are chemically interconvertible. In a similar fashion, treatment of complex [Mn(CO)3(-SC6H4-o-NH-)]- with HBF4 yielded neutral dinuclear complex [(CO)3Mn(μ-SC6H4-o-NH2-)] 2 and showed that the amine deprotonation is reversible. Investigations of π-donating ligand metathesis reactions of complex [Mn(CO)3(-TeC6H4-o-NH-)]- revealed that the stable intermediate, not the π-donating ability of bidentate ligands, is responsible for the final protonation/oxidation product. This argument is demonstrated by reaction of [Mn-(CO)3(-TeC6H4-o-NH-)]- with 1,2-benzenedithiol, hydroxythiophenol, and catechol, respectively leading to the formation of [Mn(CO)3(-EC6H4-o-E′-)]- (E = S, O; E′ = S, O), although any π-donor containing the amido group is a more effective donor than any other π-donor lacking an amido group. Also, the reactions of [Mn(CO)3(-TeC6H4-o-NH-)]- with electrophiles occurring at the more electron-rich amide site support that the more electron-rich amide donor of the chelating 2-tellurolatophenylamido occupies an equatorial site as indicated by a shorter Mn1-N bond length of the distorted trigonal bipyramidal [Mn(CO)3(-TeC6H4-o-NH-)]-.