(E)-1,2-Bis(4-methylphenyl)ethene

Base Information

• Chemical Name: (E)-1,2-Bis(4-methylphenyl)ethene
• CAS No.: 18869-29-9
• Molecular Formula: C16H16
• Molecular Weight: 208.303
• Hs Code.: 2902909090
• European Community (EC) Number: 622-286-1
• Nikkaji Number: J492.626I,J336.353H
• ChEMBL ID: CHEMBL2261012
• Mol file: 18869-29-9.mol

Synonyms:18869-29-9;4,4'-Dimethyl-trans-stilbene;(E)-1,2-Bis(4-methylphenyl)ethene;(E)-1,2-DI-P-TOLYLETHENE;1,2-Di-p-tolylethene;1-methyl-4-[(E)-2-(4-methylphenyl)ethenyl]benzene;(e)-4,4'-dimethylstilbene;1588-49-4;4,4'-Dimethylstilbene;4,4/'-Dimethylstilbene;(E)-1,2-dip-tolylethene;Benzene, 1,1'-(1E)-1,2-ethenediylbis[4-methyl-;E-1,2-Bis(p-tolyl)-ethene;4,4'-Dimethyl trans-stilbene;4,4\'-Dimethyl-trans-stilbene;CHEMBL2261012;MFCD00136904;Stilbene, 4,4'-dimethyl-, (E)-;AKOS002312383;CS-W015207;AS-10405;D2708;1-methyl-4-[(E)-2-(p-tolyl)-vinyl]-benzene;Benzene, 1,1'-(1,2-ethenediyl)bis[4-methyl-, (E)-;5-(Carboxymethyl)-2-methyl-1-phenyl-1H-pyrrole-3-carboxylic acid

Chemical Property of (E)-1,2-Bis(4-methylphenyl)ethene

Chemical Property:

• Vapor Pressure: 0.000435mmHg at 25°C
• Melting Point: 183 °C
• Boiling Point: 325.5°Cat760mmHg
• Flash Point: 157.8°C
• PSA: 0.00000
• Density: 1.015g/cm³
• LogP: 4.47380
• Storage Temp.: 2-8°C
• XLogP3: 4.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 208.125200510
• Heavy Atom Count: 16
• Complexity: 188

Purity/Quality:

99% ^*data from raw suppliers

4,4''-Dimethyl-trans-stilbene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC=C(C=C1)C=CC2=CC=C(C=C2)C
• Isomeric SMILES: CC1=CC=C(C=C1)/C=C/C2=CC=C(C=C2)C

Technology Process of (E)-1,2-Bis(4-methylphenyl)ethene

There total 236 articles about (E)-1,2-Bis(4-methylphenyl)ethene 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: 85.0%

4-methyl-benzaldehyde (104-87-0) → (E)-4,4'-dimethylstilbene (18869-29-9) + sodium diethyl phosphate (2870-30-6)

Guidance literature:

With diethyl sodio phosphonate; In benzene; at 130 ℃; for 11.5h; sealed tube;

Reference yield: 75.0%

4-Methoxystyrene (637-69-4,24936-44-5) + 1-ethenyl-4-methylbenzene (622-97-9,24936-41-2) → (E)-4,4'-dimethylstilbene (18869-29-9) + 1,2-bis(4-methoxyphenyl)ethene (4705-34-4,15638-14-9,34480-01-8,112246-67-0,2510-75-0) + (E)-4'-methoxy-4-methylstilbene (17555-94-1,72078-54-7,37163-68-1)

Guidance literature:

tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; In dichloromethane; Heating;

DOI:10.1055/s-2005-918506

Reference yield: 58.0%

ethene (74-85-1) + para-bromoacetophenone (99-90-1) → 1-ethenyl-4-methylbenzene (622-97-9,24936-41-2) + (E)-4,4'-dimethylstilbene (18869-29-9)

Guidance literature:

With 1,4-dicyclohexyl-diazabutadiene; tetrabutylammomium bromide; caesium carbonate; palladium diacetate; In N,N-dimethyl acetamide; at 100 ℃; for 14h;

DOI:10.1016/S0022-328X(03)00375-9

upstream raw materials:

diethyl ether

Methylchlor

ethylmagnesium bromide

1,1-di(4-methylphenyl)ethane

Downstream raw materials:

(+/-)-acetic acid-(threo-4,4'-dimethyl-α'-nitro-bibenzyl-α-yl ester)

3,6-dimethylphenanthrene

4,4'-trans-(4-Isopropyl-styryl)-trans-stilben

tetracyanoethylene anion

Refernces

• 1、 El Ali, Bassam,Fettouhi, Mohammed,Iali, Wissam,Mansour, Waseem,Suleiman, Rami. "Synthesis, crystal structure, and catalytic activity of bridged-bis(N-heterocyclic carbene) palladium(II) complexes in selective Mizoroki-Heck cross-coupling reactions". . . Retrieved 2021/08/09.
• 2、 Zhang, Yan,Xia, Mingze,Li, Min,Ping, Qian,Yuan, Zhenbo,Liu, Xuanzhong,Yin, Huimin,Huang, Shuping,Rao, Yijian. "Energy-Transfer-Mediated Photocatalysis by a Bioinspired Organic Perylenephotosensitizer HiBRCP". . p. 15284 - 15297. Retrieved 2021/11/01.