83571-57-7

Basic information

• Product Name: (P(C₆H₅)2(C₆H₄CH₃)C₆H₇)Fe(CO)3⁽¹⁺⁾*BF₄^(1-)={(P(C₆H₅)2(C₆H₄CH₃)C₆H₇)Fe(CO)3}BF₄
• CAS NO: 83571-57-7
• Molecular Weight: 582.122
• Mol File: 83571-57-7.mol

Chemical Properties

• CAS DataBase Reference: (P(C₆H₅)2(C₆H₄CH₃)C₆H₇)Fe(CO)3⁽¹⁺⁾*BF₄^(1-)={(P(C₆H₅)2(C₆H₄CH₃)C₆H₇)Fe(CO)3}BF₄(CAS DataBase Reference)
• NIST Chemistry Reference: (P(C₆H₅)2(C₆H₄CH₃)C₆H₇)Fe(CO)3⁽¹⁺⁾*BF₄^(1-)={(P(C₆H₅)2(C₆H₄CH₃)C₆H₇)Fe(CO)3}BF₄(83571-57-7)
• EPA Substance Registry System: (P(C₆H₅)2(C₆H₄CH₃)C₆H₇)Fe(CO)3⁽¹⁺⁾*BF₄^(1-)={(P(C₆H₅)2(C₆H₄CH₃)C₆H₇)Fe(CO)3}BF₄(83571-57-7)

Safety Data

• Hazardous Substances Data: 83571-57-7(Hazardous Substances Data)

Upstream product

• 1031-93-2 diphenyl(p-tolyl)phosphine 

Relevant articles and documents

Kinetics of nucleophilic attack on coordinated organic moieties. XXVI. An extended nucleophilicity scale for nucleophilic addition to the cation +

A nucleophilicity scale is established for the addition of ca. 40 different nucleophiles to the cyclohexadienyl ring of the cation + (I).The factors controlling nucleophilicity towards cation I are discussed, and comparisons made with data for reactions of the nucleophiles with other model organic and inorganic substrates such as MeI and trans-.

Kinetics of Nucleophilic Attack on Co-ordinated Organic Moieties. Part 21. Factors governing the Nucleophilicity of Phosphorus Nucleophiles towards (1+)

Synthetic and kinetic studies are reported for the addition of a wide range of tertiary phosphines and phosphites to the dienyl ring of (1+) (1).All the reactions obey the expression kobs. = k1, except for the reversible additions of P(CH2CH2CN)3 and P(C6H4Me-2)3 which follow the two-term equation, kobs.=k1 + k-1.A good correlation (r=0.98) is found between log k1 and the Tolman Σ X values of the phosphorus nucleophiles.The Broensted slope of 0.5 derived from a linear plot of log k1 vs. pKa for triarylphosphines demonstrates the importance of basicity in controlling nucleophilicity towards (1).Nucleophile polarisability is shown to play a minor role.Steric factors, quantified by negative deviations from the above plots by P(C6H4Me-2)3 and P(C6H11)3, are shown to be much more important than in related reactions with ethyl iodide.The Hammett slope ρ of -1.32 observed for the additions of triarylphosphines to (1) suggest moderate, but far from complete, phosphorus-carbon bond formation in the transition states.A similar conclusion is drawn from the novel anchimeric assistance observed in the unexpectedly rapid reaction with P(C6H4OMe-2)3 (k2-MeO/kH = 91).Finally, comparison with other results provides an electrophilicity order for an extended series of organometallic cations covering a reactivity range of ca. 1E6 between (1+) and (1+).