4,4'-DICHLORO-TRANS-STILBENE

Base Information

• Chemical Name: 4,4'-DICHLORO-TRANS-STILBENE
• CAS No.: 1657-56-3
• Molecular Formula: C₁₄H₁₀Cl₂
• Molecular Weight: 249.139
• Mol file: 1657-56-3.mol

Synonyms:Benzene,1,1'-(1,2-ethenediyl)bis[4-chloro-, (E)-; Stilbene, 4,4'-dichloro-, (E)- (8CI);(E)-1,2-Bis(4-chlorophenyl)ethene; (E)-4,4'-Dichlorostilbene;4,4'-Dichloro-trans-stilbene; trans-4,4'-Dichlorostilbene;trans-Dichlorostilbene; trans-p,p'-Dichlorostilbene

Chemical Property of 4,4'-DICHLORO-TRANS-STILBENE

Chemical Property:

• Melting Point: 176 °C
• Boiling Point: 230 °C / 10mmHg
• Flash Point: 167.2oC
• PSA: 0.00000
• Density: 1.267g/cm3
• LogP: 5.16380
• Storage Temp.: Refrigerator
• Solubility.: soluble in Toluene

Purity/Quality:

98%,99%, ^*data from raw suppliers

4,4'-Dichloro-trans-stilbene >98.0%(GC) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,4'-DICHLORO-TRANS-STILBENE

There total 94 articles about 4,4'-DICHLORO-TRANS-STILBENE 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: 98.0%

bis(4-chlorophenyl)acetylene (1820-42-4) → (E)-1,2-di(4-chlorophenyl)ethene (2510-74-9,5121-74-4,1657-56-3,144606-14-4)

Guidance literature:

bis(4-chlorophenyl)acetylene; With bis(pentafluorophenyl)borohydride; In toluene; at 20 ℃; for 0.0833333h; Inert atmosphere; Glovebox;

With 2,3,4,5,6-pentafluorostyrene; hydrogen; In toluene; at 140 ℃; for 24h; under 37503.8 Torr; stereoselective reaction; Autoclave;

DOI:10.1002/chem.201405388

Reference yield: 95.0%

4-chlorobenzaldehyde (104-88-1) → (E)-1,2-di(4-chlorophenyl)ethene (2510-74-9,5121-74-4,1657-56-3,144606-14-4)

Guidance literature:

With bis(cyclopentadienyl)titanium dichloride; manganese; chloro-trimethyl-silane; In tetrahydrofuran; for 2h; Inert atmosphere; Reflux;

DOI:10.1021/ja906083c

Reference yield: 95.0%

4-vinylbenzyl chloride (1073-67-2,24991-47-7) → (E)-1,2-di(4-chlorophenyl)ethene (2510-74-9,5121-74-4,1657-56-3,144606-14-4)

Guidance literature:

RuCl₂(=CHPh)[1,3-ImH₂]P(Cy)3; In dichloromethane; at 40 ℃; for 2h;

DOI:10.1016/S0040-4039(02)01528-9

upstream raw materials:

diethyl ether

p,p'-DDT

ethylmagnesium bromide

dithiocarbonic acid S-benzyl ester-O-(4-chloro-benzyl ester)

Downstream raw materials:

trans-1,2-bis-(p-chlorophenyl)ethane oxide

1,2-dibromo-1,2-di-(p-chlorophenyl)-ethane

meso-4.4'.α.α'-tetrachloro-bibenzyl

racem.-4.4'.α.α'-tetrachloro-bibenzyl

Refernces

• 1、 -. "Efficient preparation method of symmetric diarylethene compound". Paragraph 0047-0049; 0053-0055. . Retrieved 2021/02/10.
• 2、 Zheng, Zhipeng,Trofymchuk, Oleksandra S.,Kurogi, Takashi,Varela, Elena,Mindiola, Daniel J.,Walsh, Patrick J.. "Selenenate Anions (PhSeO?) as Organocatalyst: Synthesis of trans-Stilbenes and a PPV Derivative". supporting information. p. 659 - 666. Retrieved 2020/01/02.