3,4-DICYANOTHIOPHENE,

Base Information

• Chemical Name: 3,4-DICYANOTHIOPHENE,
• CAS No.: 18853-32-2
• Molecular Formula: C6H2N2S
• Molecular Weight: 134.161
• Hs Code.: 2934999090
• Mol file: 18853-32-2.mol

Synonyms:3,4-Dicyanothiophene;NSC 149716;

Chemical Property of 3,4-DICYANOTHIOPHENE,

Chemical Property:

• Vapor Pressure: 9.49E-05mmHg at 25°C
• Melting Point: 225.5-227.5 °C
• Refractive Index: 1.596
• Boiling Point: 338.962 °C at 760 mmHg
• Flash Point: 158.799 °C
• PSA: 75.82000
• Density: 1.342 g/cm³
• LogP: 1.49146
• Storage Temp.: 2-8°C(protect from light)

Purity/Quality:

99%, ^*data from raw suppliers

3,4-Dicyanothiophene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3,4-DICYANOTHIOPHENE,

There total 7 articles about 3,4-DICYANOTHIOPHENE, 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: 81.0%

3,4-dibromothiophene (3141-26-2) + copper(I) cyanide (544-92-3) → 3,4-dicyanothiophene (18853-32-2)

Guidance literature:

In N,N-dimethyl-formamide; for 4h; Heating;

Reference yield: 72.0%

3,4-dibromothiophene (3141-26-2) + copper(l) cyanide → 3,4-dicyanothiophene (18853-32-2)

Guidance literature:

In N,N-dimethyl-formamide; for 4h; Reflux;

DOI:10.1016/j.tet.2010.09.086

Reference yield: 67.0%

3,4-dibromothiophene (3141-26-2) → 3,4-dicyanothiophene (18853-32-2)

Guidance literature:

upstream raw materials:

3,4-dibromothiophene

copper(I) cyanide

dicyanozinc

Downstream raw materials:

2,5-dibromo-3,4-dicyanothiophene

thiophene-3,4-dicarboxylic acid chloride

4,9-Dihydronaphtho<2,3c>thiophen-4,9-dion

(S)-N-(5-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-4,6-dioxo-5,6-dihydro-4H-thiophene[3,4-c]pyrrole-1-yl)acetamide

Refernces

• 1、 Nielsen, Christian B.,Bjornholm, Thomas. "New regiosymmetrical dioxopyrrolo- and dihydropyrrolo-functionalized polythiophenes". . p. 3381 - 3384. Retrieved 2004.
• 2、 -. "CRYSTAL FORMS OF THIOPHENE DERIVATIVES". Paragraph 0272. . Retrieved 2021/05/14.