(C₅(CH₃)5)Rh(P(CH₃)3)(CH₃C₆H₄)Br

Base Information

• Chemical Name: (C₅(CH₃)5)Rh(P(CH₃)3)(CH₃C₆H₄)Br
• CAS No.: 81971-45-1
• Molecular Formula: C₂₀H₃₁BrPRh
• Molecular Weight: 485.249
• Mol file: 81971-45-1.mol

Synonyms:(C₅(CH₃)5)Rh(P(CH₃)3)(CH₃C₆H₄)Br

Chemical Property of (C₅(CH₃)5)Rh(P(CH₃)3)(CH₃C₆H₄)Br

Chemical Property:

Purity/Quality:

Safty Information:

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MSDS Files:

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Technology Process of (C₅(CH₃)5)Rh(P(CH₃)3)(CH₃C₆H₄)Br

There total 3 articles about (C₅(CH₃)5)Rh(P(CH₃)3)(CH₃C₆H₄)Br which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 96.0%

dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer + para-methylphenylmagnesium bromide (4294-57-9) → (C5(CH3)5)Rh(P(CH3)3)(CH3C6H4)Br (81971-45-1)

Guidance literature:

With NH₄Br; In tetrahydrofuran; RMgX in THF was added dropwise to a soln. of complex in THF at -40°C, the mixt. was stirred for 15 min at -40°C, allowed to warm to 25°C over 30 min, stirred for 30 min at 25°C (N2 atm.);; aq.NH4Br was added, evapd., ppt. was extd. with CH2Cl2, concd., filtration chromy. (SiO2, CH2Cl2), elem. anal.;;

Reference yield: 85.0%

(η5-pentamethylcyclopentadienyl)Rh(trimethylphosphine)Cl2 + para-methylphenylmagnesium bromide (4294-57-9) → (C5(CH3)5)Rh(P(CH3)3)(CH3C6H4)Br (81971-45-1)

Guidance literature:

In tetrahydrofuran; -40°C; chromy. (SiO2, CH2Cl2); recrystn. from hexane; elem. anal.;

DOI:10.1021/ja00379a031

Reference yield: 80.0%

(C5Me5)Rh(PMe3)(H)2 (84624-03-3) + Bromoform (75-25-2) → (C5(CH3)5)Rh(P(CH3)3)(CH3C6H4)H + (C5(CH3)5)Rh(P(CH3)3)(CH3C6H4)Br (81971-45-1) + (η5-C5Me5)Rh{PMe3}Br2 + (C5(CH3)5)Rh(P(CH3)3)(CH3C6H4)Br

Guidance literature:

In tetrahydrofuran; toluene; Irradiation (UV/VIS); 30 min, -45°C, under N2; volatiles removed at 25°C;

DOI:10.1021/ja00318a018

upstream raw materials:

(C₅Me₅)Rh(PMe₃)(H)2

Bromoform

para-methylphenylmagnesium bromide

Downstream raw materials:

(η5-C5Me5)(PMe3)Rh(p-C6H4CH3)(H)

(C₅Me₅)Rh(PMe₃)(H)2

(η5-C5Me5)(PMe3)Rh(m-C6H4CH3)(H)