DIMETHYL TRANS-STILBENE-4,4'-DICARBOXYLATE

Base Information

• Chemical Name: DIMETHYL TRANS-STILBENE-4,4'-DICARBOXYLATE
• CAS No.: 34541-73-6
• Molecular Formula: C18H16O4
• Molecular Weight: 296.323
• Hs Code.: 29173990
• Mol file: 34541-73-6.mol

Synonyms:Benzoicacid, 4,4'-(1,2-ethenediyl)bis-, dimethyl ester, (1E)-;Benzoic acid,4,4'-(1E)-1,2-ethenediylbis-, dimethyl ester (9CI);Dimethyltrans-4,4'-stilbenedicarboxylate;Dimethyl trans-stilbene-4,4'-dicarboxylate;

Chemical Property of DIMETHYL TRANS-STILBENE-4,4'-DICARBOXYLATE

Chemical Property:

• Melting Point: 234-236 °C
• Boiling Point: 448.3 °C at 760 mmHg
• Flash Point: 226.3 °C
• PSA: 52.60000
• Density: 1.192 g/cm³
• LogP: 3.43020

Purity/Quality:

98% ^*data from raw suppliers

Dimethyl trans-Stilbene-4,4'-dicarboxylate >98.0%(GC) ^*data from reagent suppliers

Safty Information:

• Safety Statements: 24/25

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of DIMETHYL TRANS-STILBENE-4,4'-DICARBOXYLATE

There total 16 articles about DIMETHYL TRANS-STILBENE-4,4'-DICARBOXYLATE 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: 100.0%

dimethyl cis-stilbene-4,4'-dicarboxylate (143130-82-9) → trans-4,4'-dimethyl 4,4'-dicarboxylate-1,2-diphenylethylene (34541-73-6,143130-82-9)

Guidance literature:

With cadmium(II) sulphide; In dichloromethane; Irradiation;

DOI:10.1039/c39850001534

Reference yield: 94.0%

methyl 4-formylbenzoate (1571-08-0) → trans-4,4'-dimethyl 4,4'-dicarboxylate-1,2-diphenylethylene (34541-73-6,143130-82-9)

Guidance literature:

With bis(cyclopentadienyl)titanium dichloride; In tetrahydrofuran; for 2h; Inert atmosphere; Reflux;

DOI:10.1021/ja906083c

Reference yield: 86.0%

4-(diethyoxyphosphorylmethyl)benzoic acid methyl ester (14295-52-4) → trans-4,4'-dimethyl 4,4'-dicarboxylate-1,2-diphenylethylene (34541-73-6,143130-82-9)

Guidance literature:

4-(diethyoxyphosphorylmethyl)benzoic acid methyl ester; With caesium carbonate; In N,N-dimethyl-formamide; at 25 ℃; for 0.0833333h; Inert atmosphere;

With oxygen; In N,N-dimethyl-formamide; at 100 ℃; for 16h; stereoselective reaction;

DOI:10.1021/acs.joc.7b03148

upstream raw materials:

diazomethane

Stilbene-4,4'-dicarboxylic acid

methanol

(E)-4,4'-dicyanostilbene

Downstream raw materials:

Stilbene-4,4'-dicarboxylic acid

2,3,4,5-tetrakis(4-carbomethoxyphenyl)thiophene

4,4'-bis(hydroxymethyl)-trans-stilbene

(1E)-1,2-bis[3-(bromomethyl)phenyl]diazene

Refernces

• 1、 Beller, Matthias,Ge, Yao,Jackstell, Ralf,Jiao, Haijun,Liu, Jiawang,Wei, Duo,Wei, Zhihong,Yang, Ji. "Tuning the Selectivity of Palladium Catalysts for Hydroformylation and Semihydrogenation of Alkynes: Experimental and Mechanistic Studies". . p. 12167 - 12181. Retrieved 2020/11/27.
• 2、 -. "Method for preparing trans-diphenylethylene compound". Paragraph 0070; 0071; 0080; 0081; 0107. . Retrieved 2017/09/01.