alpha-Methylstyrene dimer

Base Information

• Chemical Name: alpha-Methylstyrene dimer
• CAS No.: 6144-04-3
• Molecular Formula: C18H20
• Molecular Weight: 236.3514
• Mol file: 6144-04-3.mol

Synonyms:ALPHA-METHYLSTYRENE DIMER;alpha-Methyl Styrene Dimer;Styrene, alpha-methyl-, dimer;HSDB 6149;FZYCEURIEDTWNS-UHFFFAOYSA-N;Benzene, (1-methylethenyl)-, dimer

Chemical Property of alpha-Methylstyrene dimer

Chemical Property:

• Vapor Pressure: 2.83mmHg at 25°C
• Boiling Point: 162.5°Cat760mmHg
• Flash Point: 45.6°C
• PSA: 0.00000
• Density: g/cm³
• LogP: 5.43940
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 236.156500638
• Heavy Atom Count: 18
• Complexity: 96.6

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Chemical Classes: Plastics & Rubber -> Styrenes
• Canonical SMILES: CC(=C)C1=CC=CC=C1.CC(=C)C1=CC=CC=C1

Technology Process of alpha-Methylstyrene dimer

There total 518 articles about alpha-Methylstyrene dimer 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: 93.0%

2,3-diphenyl-2-methylpropan-3-one oxime (5682-41-7) → styrene (100-42-5,25038-60-2,25247-68-1,28213-80-1,28325-75-9,79637-11-9,9003-53-6) + benzonitrile (100-47-0) + benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1) + isopropenylbenzene (98-83-9,6144-04-3,25014-31-7,42612-14-6)

Guidance literature:

at 800 ℃; under 0.001 - 0.01 Torr; approximate contact time: 0.002-0.03 s;

Reference yield: 57.0%

dimethylsulfone (67-71-0) + 1-Phenylethanol (98-85-1,13323-81-4) → hydrogen (1333-74-0) + isopropenylbenzene (98-83-9,6144-04-3,25014-31-7,42612-14-6)

Guidance literature:

With 1,10-Phenanthroline; potassium tert-butylate; iron(II) chloride; In toluene; at 120 ℃; for 8h; Inert atmosphere; Schlenk technique;

DOI:10.1021/acs.joc.0c01173

Reference yield: 46.0%

3,5-diphenyl-3-methyl-1,2-dioxolane (78485-08-2) → styrene (100-42-5,25038-60-2,25247-68-1,28213-80-1,28325-75-9,79637-11-9,9003-53-6) + (±)-1,3-diphenylbut-3-en-1-ol (125315-69-7) + benzaldehyde (100-52-7) + isopropenylbenzene (98-83-9,6144-04-3,25014-31-7,42612-14-6)

Guidance literature:

With triphenylphosphine; In benzene; at 60 ℃; for 8h;

DOI:10.1021/jo961444+

upstream raw materials:

pyridine

cumenyl chloride

Isopropylbenzene

diethyl ether

Downstream raw materials:

bis-(2-phenyl-propylmercapto)-[1,3,4]thiadiazole

N-(1-methyl-1-phenyl-ethyl)-acrylamide

(E)-methyl 5-phenylhex-5-enoate

2-methyl-2-phenyloxirane

Refernces

• 1、 Bai, Lu,Li, Linqiang,Liu, Mengtian,Luan, Xinjun,Wu, Jiaoyu. "Selective C(sp3)?N Bond Cleavage of N,N-Dialkyl Tertiary Amines with the Loss of a Large Alkyl Group via an SN1 Pathway". supporting information. . Retrieved 2021/12/01.
• 2、 Yang, Hui-Yi,Yao, Ya-Hong,Chen, Ming,Ren, Zhi-Hui,Guan, Zheng-Hui. "Palladium-Catalyzed Markovnikov Hydroaminocarbonylation of 1,1-Disubstituted and 1,1,2-Trisubstituted Alkenes for Formation of Amides with Quaternary Carbon". supporting information. p. 7298 - 7305. Retrieved 2021/05/26.