4,4''-DICYANOSTILBENE

Base Information

• Chemical Name: 4,4''-DICYANOSTILBENE
• CAS No.: 5216-37-5
• Molecular Formula: C16H10N2
• Molecular Weight: 230.269
• Hs Code.: 2926909090
• Mol file: 5216-37-5.mol

Synonyms:Benzonitrile,4,4'-iminobis;4,4'-Iminobisbenzonitrile;4,4'-imino-di-benzonitrile;trans-p,p'-dicyanostilbene;4,4'-dicyanodiphenylamine;stilbene-4,4'-dicarbonitrile;4,4'-Imino-di-benzonitril;4,4'-azanediyldibenzonitrile;trans-4,4'-dicyanostilbene;

Chemical Property of 4,4''-DICYANOSTILBENE

Chemical Property:

• Melting Point: 272-274 °C
• Boiling Point: 445.0±34.0 °C(Predicted)
• PSA: 47.58000
• Density: 1.17±0.1 g/cm3(Predicted)
• LogP: 3.60036

Purity/Quality:

99% ^*data from raw suppliers

(E)-4,4'-(Ethene-1,2-diyl)dibenzonitrile 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,4''-DICYANOSTILBENE

There total 19 articles about 4,4''-DICYANOSTILBENE 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: 95.0%

diethyl [(4-cyanophenyl)methyl]phosphonate (1552-41-6) → (E)-4,4'-dicyanostilbene (5216-37-5)

Guidance literature:

diethyl [(4-cyanophenyl)methyl]phosphonate; With sodium t-butanolate; In N,N-dimethyl-formamide; at 25 ℃; for 0.0833333h; Inert atmosphere;

With oxygen; In N,N-dimethyl-formamide; at 25 ℃; for 8h; stereoselective reaction;

DOI:10.1021/acs.joc.7b03148

Reference yield: 89.0%

diethyl [(4-cyanophenyl)methyl]phosphonate (1552-41-6) + 4-cyanobenzaldehyde (105-07-7) → (E)-4,4'-dicyanostilbene (5216-37-5)

Guidance literature:

diethyl [(4-cyanophenyl)methyl]phosphonate; With sodium hydride; In tetrahydrofuran; mineral oil; at 0 ℃; for 1h;

4-cyanobenzaldehyde; In tetrahydrofuran; mineral oil; at 0 - 20 ℃; for 12h;

DOI:10.1016/j.saa.2021.120575

Reference yield: 88.0%

N'-(4-cyanobenzylidene)-4-methylbenzenesulfonohydrazide (41780-79-4) → (E)-4,4'-dicyanostilbene (5216-37-5)

Guidance literature:

With Trimethyl borate; lithium tert-butoxide; In tetrahydrofuran; hexane; for 10h; Heating;

DOI:10.1016/S0040-4039(01)00859-0

upstream raw materials:

cis-4,4'-dicyanostilbene

(E)-4,4'-diaminostilbene

potassium cyanide

bis-(4-cyano-benzylidene)-hydrazine

Downstream raw materials:

trans-4,4'-dimethyl 4,4'-dicarboxylate-1,2-diphenylethylene

trans-stilbene-dicarbonimidic acid-(4.4')-diethyl ester

stilbamidine

Stilbene-4,4'-dicarboxylic acid

Refernces

• 1、 Fu,Sah. "-". . p. 1482. Retrieved 1942.
• 2、 Miyake, Teruyuki,Hashimoto, Yuichiro,Jinnai, Seihou,Oketani, Ryusei,Higashida, Suguru. "Effect of substituents on TiO2 photocatalytic oxidation of trans-stilbenes". . p. 55 - 60. Retrieved 2019/01/29.
• 3、 -. "SYNTHESIS OF ALKENES FROM PHOSPHAALKENES AND CARBONYL COMPOUNDS". Page/Page column 14; 15; 17. . Retrieved 2018/05/24.