1-Methyl-2,2-diphenylethylene

Base Information

• Chemical Name: 1-Methyl-2,2-diphenylethylene
• CAS No.: 778-66-5
• Molecular Formula: C15H14
• Molecular Weight: 194.276
• NSC Number: 42487
• DSSTox Substance ID: DTXSID00285618
• Nikkaji Number: J2.553.431J,J371.376H
• Mol file: 778-66-5.mol

Synonyms:1,1-diphenylpropene

Chemical Property of 1-Methyl-2,2-diphenylethylene

Chemical Property:

• Melting Point: 49°C
• Refractive Index: 1.5880
• Boiling Point: 280.5°Cat760mmHg
• Flash Point: 131.9°C
• PSA: 0.00000
• Density: 0.986g/cm³
• LogP: 4.13820
• XLogP3: 4.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 194.109550447
• Heavy Atom Count: 15
• Complexity: 182

Purity/Quality:

98% ^*data from raw suppliers

1,1-Diphenyl-1-propene ≥95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC=C(C1=CC=CC=C1)C2=CC=CC=C2
• Uses: 1-Methyl-2,2-diphenylethene is useful in detecting structural features of products derived from coal.

Technology Process of 1-Methyl-2,2-diphenylethylene

There total 159 articles about 1-Methyl-2,2-diphenylethylene 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: 67.0%

1-(3,5-dimethyl-1H-pyrazol-1-yl)propan-1-one (37612-61-6) + phenylmagnesium bromide → 1,1-diphenyl-1-propene (778-66-5) + 1-phenyl-propan-1-one (93-55-0)

Guidance literature:

In diethyl ether; for 1h; Ambient temperature;

Reference yield: 25.0%

1-propenylbenzene (873-66-5) + phenylazo phenyl sulfone (14922-16-8) → 1,1-diphenyl-1-propene (778-66-5) + biphenyl (92-52-4,1594-86-1) + (E)-1,2-diphenylpropene (833-81-8) + 3,3-diphenylpropene (3542-14-1)

Guidance literature:

tetrakis(triphenylphosphine) palladium⁽⁰⁾; In benzene; at 80 ℃; for 2h; Further byproducts given;

DOI:10.1246/bcsj.61.3575

Reference yield: 7.0%

1,1-dibromo-2,2-diphenylethylene (2592-73-6) → 1,1-Diphenylethylene (530-48-3) + 1,1-diphenyl-1-propene (778-66-5) + 2-methyl-1,1-diphenylpropene (781-33-9) + 2,2,5,5-tetraphenyl-3-hexyne (1483-63-2)

Guidance literature:

With lithium; In tetrahydrofuran; diethyl ether; pentane; at -110 - -80 ℃; for 3h; Further byproducts given;

DOI:10.1016/S0022-328X(98)00568-3

upstream raw materials:

bromobenzene

3,3,4,4-tetraphenyl-hexane

benzophenone

ethylmagnesium bromide

Downstream raw materials:

2-Methyl-3,3-diphenyl-acrylsaeureamid-N-sulfochlorid

C₁₆H₁₄Cl₂

1,1-dibromo-2,2-diphenyl-3-methylcyclopropane

1,1-difluoro-1,2-diphenyl-propane

Refernces

• 1、 Chakraborty, Nikita,Dahiya, Anjali,Modi, Anju,Patel, Bhisma K.,Rakshit, Amitava. "An expedient route to tricyanovinylindoles and indolylmaleimides fromo-alkynylanilines utilising DMSO as a one-carbon synthon". supporting information. p. 6847 - 6857. Retrieved 2021/08/20.
• 2、 Liu, Rong,Zhang, Tingli,Huang, Bin,Cai, Mingzhong. "Recyclable and reusable PdCl2(PPh3)2/PEG-400/H2O system for the hydrophenylation of alkynes with sodium tetraphenylborate". . p. 172 - 178. Retrieved 2020/07/04.