2,2'-Methylenebistoluene

Base Information

• Chemical Name: 2,2'-Methylenebistoluene
• CAS No.: 1634-74-8
• Molecular Formula: C15H16
• Molecular Weight: 196.292
• Hs Code.: 2902909090
• Mol file: 1634-74-8.mol

Synonyms:o,o'-ditolylmethane;(methylbenzyl)toluene;Di-o-tolyl-methan;di-o-tolylmethane;

Chemical Property of 2,2'-Methylenebistoluene

Chemical Property:

• Melting Point: 62-63 °C
• Boiling Point: 110-112 °C(Press: 3 Torr)
• PSA: 0.00000
• Density: 0.9697 g/cm3
• LogP: 3.89420

Purity/Quality:

99% ^*data from raw suppliers

Di-O-tolymethane ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,2'-Methylenebistoluene

There total 21 articles about 2,2'-Methylenebistoluene 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: 87.0%

2,2'-diiododiphenylmethane (38059-15-3) + [3-(dimethylamino)propyl]dimethyl aluminium(III) → di-o-tolylmethane (1634-74-8)

Guidance literature:

With tetrakis(triphenylphosphine)palladium dichloride; In benzene; at 80 ℃; for 6h;

DOI:10.1021/jo970822n

Reference yield: 82.0%

dichloromethane (75-09-2) + GaCl3(3,5-diphenylpyrazole) (481711-03-9) + Gallium trichloride (13450-90-3) → 3,5-diphenylpyrazolium tetrachlorogallate + 4,4'-dimethyldiphenylmethane (4957-14-6) + di-o-tolylmethane (1634-74-8) + p-(2-methylbenzyl)toluene (21895-17-0)

Guidance literature:

In dichloromethane; toluene; byproducts: (methylbenzyl)ditolylmethanes; under Ar, using Schlenk techniques; Ga complex and GaCl3 dissolved in toluene; CH2Cl2 added; stirred (ambient temp., 6 h); volatiles removed (vac.); hexane added; kept (ambient temp., 16 h); decanted; residued extd. with hexane; ext. combined; volatiles removed (vac.); crystals collected; washed with toluene-hexane (1:1) and hexane; dried (vac., 1 h);

DOI:10.1016/S0277-5387(02)00931-2

Reference yield: 63.0%

2-methylphenyl bromide (95-46-5) + acetophenone (98-86-2) → di-o-tolylmethane (1634-74-8)

Guidance literature:

With palladium diacetate; caesium carbonate; triphenylphosphine; In water; N,N-dimethyl-formamide; at 153 ℃; for 12h;

DOI:10.1002/ejoc.201300594

upstream raw materials:

2,2'-dimethylbenzophenone

4-tert-Butyl-1-methyl-2-(2-methyl-benzyl)-benzene

bis(2-methylphenyl)methanol

1-chloromethyl-2-methylbenzene

Downstream raw materials:

2-methyl-N-nonylaniline

2-methylphenyl aldehyde

(2,2'-Dimethyldiphenylmethyl)lithium