1,1-Di-o-tolylethylene

Base Information

• Chemical Name: 1,1-Di-o-tolylethylene
• CAS No.: 2919-19-9
• Molecular Formula: C16H16
• Molecular Weight: 208.303
• Hs Code.: 2902909090
• DSSTox Substance ID: DTXSID60183444
• Nikkaji Number: J799.051K
• Wikidata: Q83054232
• Mol file: 2919-19-9.mol

Synonyms:1,1-Di-o-tolylethylene;1,1-Di(o-tolyl)ethylene;2919-19-9;1-methyl-2-[1-(2-methylphenyl)ethenyl]benzene;2,2'-(Ethene-1,1-diyl)bis(methylbenzene);1-Methyl-2-[1-(2-methylphenyl)vinyl]benzene;1,1-di-(o-Tolyl)ethylene;1,1-ditolylethylene;DTXSID60183444;MUZMRKGPXHDTOF-UHFFFAOYSA-N;MFCD00043635;AKOS015840506;FT-0606085;1-Methyl-2-[1-(2-methylphenyl)vinyl]benzene #

Chemical Property of 1,1-Di-o-tolylethylene

Chemical Property:

• Vapor Pressure: 0.00142mmHg at 25°C
• Boiling Point: 306.1°C at 760 mmHg
• Flash Point: 142.8°C
• PSA: 0.00000
• Density: 0.971g/cm³
• LogP: 4.36490
• XLogP3: 5.3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 208.125200510
• Heavy Atom Count: 16
• Complexity: 216

Purity/Quality:

98%min ^*data from raw suppliers

1,1-Di(o-tolyl)ethylene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC=CC=C1C(=C)C2=CC=CC=C2C

Technology Process of 1,1-Di-o-tolylethylene

There total 8 articles about 1,1-Di-o-tolylethylene 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%

O,O-diethyl 1-o-tolylvinylphosphate (1093686-51-1) + 2-methylphenylzinc chloride (84109-17-1) → (E)-2,2'-dimethylstilbene (36888-18-3) + 1-methyl-2-[1-(2-methylphenyl)vinyl]benzene (2919-19-9)

Guidance literature:

With (S)-1-2-(di-1-naphthylphosphino)ferrocenyl-ethyl-di-tert-butylphosphine; bis(dibenzylideneacetone)-palladium⁽⁰⁾; In tetrahydrofuran; at 70 ℃; for 18h; Inert atmosphere; Sealed vial;

DOI:10.1021/jo801824e

Reference yield: 30.0%

2-Methylphenylboronic acid (16419-60-6) + 1-(2-methylphenyl)ethenyl acetate (101640-66-8) → (E)-2,2'-dimethylstilbene (36888-18-3) + 1-methyl-2-[1-(2-methylphenyl)vinyl]benzene (2919-19-9)

Guidance literature:

With potassium phosphate; di-μ-acetato-bis(η4-1,5-cyclooctadiene)dirhodium(I); diisopropylamine; cyclo-octa-1,5-diene; In toluene; at 100 ℃; for 72h; regioselective reaction; Inert atmosphere;

DOI:10.1002/anie.201002745

Reference yield:

1-(1-chlorovinyl)-2-methylbenzene (38379-19-0) + 2-methylphenylzinc chloride (84109-17-1) → (E)-2,2'-dimethylstilbene (36888-18-3) + 1-methyl-2-[1-(2-methylphenyl)vinyl]benzene (2919-19-9)

Guidance literature:

With (R)-(-)-[(S)-2-(diphenylphosphino)ferrocenyl]ethyldi-tert-butylphosphine; bis(dibenzylideneacetone)-palladium⁽⁰⁾; In tetrahydrofuran; at 70 ℃; Inert atmosphere; Sealed vial;

DOI:10.1021/jo801824e

upstream raw materials:

2,2'-dimethylbenzophenone

methylmagnesium bromide

ortho-tolylmagnesium bromide

ethyl acetate

Downstream raw materials:

1,1-Di-o-tolyl-aethan

4-Methyl-5-o-tolylbenzanthrachinone-7,12-dione

ortho-methylbenzoic acid

2,2'-dimethylbenzophenone