272-43-5

Basic information

• Product Name: thieno[3,4-b]pyrazine
• Synonyms: thieno[3,4-b]pyrazine;2',3'-Pyrazinothiophene
• CAS NO: 272-43-5
• Molecular Formula: C₆H₄N₂S
• Molecular Weight: 136.17436
• Mol File: 272-43-5.mol
• Article Data: 6

Chemical Properties

• Melting Point: 47-48℃
• Boiling Point: 253℃
• Flash Point: 112℃
• Appearance: /
• Density: 1.368
• Vapor Pressure: 0.03mmHg at 25°C
• Refractive Index: 1.705
• Storage Temp.: Sealed in dry,Room Temperature
• CAS DataBase Reference: thieno[3,4-b]pyrazine(CAS DataBase Reference)
• NIST Chemistry Reference: thieno[3,4-b]pyrazine(272-43-5)
• EPA Substance Registry System: thieno[3,4-b]pyrazine(272-43-5)

Safety Data

• Hazardous Substances Data: 272-43-5(Hazardous Substances Data)

Usage

General Description

Thieno[3,4-b]pyrazine is a chemical compound with a fused tricyclic ring structure consisting of a thiophene and a pyrazine ring. Thieno[3,4-b]pyrazine is a heterocyclic aromatic compound, and it is commonly used as a building block in the synthesis of various organic compounds. Thieno[3,4-b]pyrazine has been investigated for its potential use in pharmaceuticals, agrochemicals, and materials science. It exhibits interesting biological and pharmacological activities and is being studied for its potential as a drug candidate for various diseases. Additionally, it has shown promising potential as a functional organic semiconductor material due to its unique electronic and optical properties. Overall, the chemical compound Thieno[3,4-b]pyrazine holds significant importance in the field of organic chemistry and its applications in various industries.

InChI:InChI=1/C6H4N2S/c1-2-8-6-4-9-3-5(6)7-1/h1-4H

Upstream product

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Downstream Products

• 1188306-70-8 5,7-bis(3-hexylthiophen-2-yl)thieno[3,4-b]pyrazine 
• 1422391-62-5 2,5,7-tris(3-hexylthiophen-2-yl)thieno[3,4-b]pyrazine 

Relevant articles and documents

In Situ Oxidation Synthesis of p-Type Composite with Narrow-Bandgap Small Organic Molecule Coating on Single-Walled Carbon Nanotube: Flexible Film and Thermoelectric Performance

Although composites of organic polymers or n-type small molecule/carbon nanotube (CNT) have achieved significant advances in thermoelectric (TE) applications, p-type TE composites of small organic molecules as thick surface coating layers on the surfaces of inorganic nanoparticles still remain a great challenge. Taking advantage of in situ oxidation reaction of thieno[3,4-b]pyrazine (TP) into TP di-N-oxide (TPNO) on single-walled CNT (SWCNT) surface, a novel synthesis strategy is proposed to achieve flexible films of TE composites with narrow-bandgap (1.19 eV) small molecule coating on SWCNT surface. The TE performance can be effectively enhanced and conveniently tuned by poly(sodium-p-styrenesulfonate) content, TPNO/SWCNT mass ratio, and posttreatment by various polar solvents. The maximum of the composite power factor at room temperature is 29.4 ± 1.0 μW m?1 K?2. The work presents a way to achieve flexible films of p-type small organic molecule/inorganic composites with clear surface coating morphology for TE application.

Delay fluorescent compound and using the same and display device having the organic light-emitting diode (by machine translation)

The present invention provides a delay fluorescent compound and the use of the compound of the organic light-emitting diode and the display device, the delay fluorescent compound is a type 1 or type 2 delay fluorescent compound : [formula 1] ; [Formula 2] . (by machine translation)

Thieno[3,4-b]pyrazines: Synthesis, structure, and reactivity

A general synthetic route has been developed for the efficient preparation of 2,3-disubstituted thieno[3,4-b]-pyrazines. These methods eliminate problems in the preparation of the precursor 3,4-diaminothiophene and utilize α-diones prepared through the reaction of the appropriate organocuprates with oxalyl chloride. This combination allows the convenient preparation of thieno[3,4-b]pyrazine and its 2,3-disubstituted analogues (where substituent = methyl, hexyl, octyl, decyl, dodecyl, and phenyl) in high yield. Characterization of the structure and reactivity of this class of compounds is also described, including the results of structural, electrochemical, and pKa studies.