o-phenylenebis(dimethylstibine)

Base Information

• Chemical Name: o-phenylenebis(dimethylstibine)
• CAS No.: 53234-97-2
• Molecular Formula: C₁₀H₁₆Sb₂
• Molecular Weight: 379.737
• Mol file: 53234-97-2.mol

Synonyms:

Chemical Property of o-phenylenebis(dimethylstibine)

Chemical Property:

Purity/Quality:

Safty Information:

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• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of o-phenylenebis(dimethylstibine)

There total 3 articles about o-phenylenebis(dimethylstibine) 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: 60.0%

dimethylantimony bromide (53234-94-9) → o-phenylenebis(dimethylstibine) (53234-97-2) + tetramethyldistibane (41422-43-9)

Guidance literature:

With sodium; In tetrahydrofuran; addn. of BrC6H4-2-I to (CH3)2SbBr/Na mixt., evapn. of NH3, refluxing of residue with THF, evapn., hydrolyzing with ether/water; distn. of ether layer at 46-47°C (0.5 Torr);

DOI:10.1016/S0022-328X(00)92041-2

Reference yield: 22.0%

(o-bromophenyl)dimethylstibine (34666-93-8) + sodium (7440-23-5) + dimethylantimony bromide (53234-94-9) → o-phenylenebis(dimethylstibine) (53234-97-2) + tetramethyldistibane (41422-43-9) + dimethyl(phenyl)stibine (17585-86-3)

Guidance literature:

With ammonia; In tetrahydrofuran; ammonia; N2-atmosphere; molar ratio Me2SbBr:Na:BrC6H4SbMe2=1:2:1; addn. of Me2SbBr to Na (in liquid NH3, -78°C), stirring (3 h), dropwise addn. toBrC6H4SbMe2 (in THF, -78°C, during 3 h), slow warming to room te mp., refluxing (15 min), cooling; addn. of H2O, sepn. of org. layer, drying, distn. off of Sb2Me2, SbMe2Ph;

DOI:10.1039/DT9790001718

Reference yield: 3.0%

dimethylantimony bromide (53234-94-9) + 2,3-dibromobenzene (583-53-9) → o-phenylenebis(dimethylstibine) (53234-97-2)

Guidance literature:

With sodium; In ammonia; dropwise addn. of 1,2-dibromobenzene to the reaction mixt. of (CH3)2SbBr and sodium (1:2 mole ratio) in liq. ammonia; evapn. of the ammonia, addn. of THF, 16 h reflux, addn. of ether, hydrolysis; distn.;

DOI:10.1016/S0022-328X(00)92041-2 DOI:10.1016/S0022-328X(00)93150-4

upstream raw materials:

dimethylantimony bromide

2,3-dibromobenzene

(o-bromophenyl)dimethylstibine

sodium

Downstream raw materials:

o-phenylenebis(dimethylstibine) monomethiodide