![](/CAS/GIF/250-84-0.gif)
THIENO[2,3-B]THIOPHENE synthesis
- Product Name:THIENO[2,3-B]THIOPHENE
- CAS Number:250-84-0
- Molecular formula:C6H4S2
- Molecular Weight:140.23
![3-Thiophenecarboxaldehyde ethylene acetal](/CAS/GIF/13250-82-3.gif)
13250-82-3
72 suppliers
$15.00/250mg
![THIENO[2,3-B]THIOPHENE](/CAS/GIF/250-84-0.gif)
250-84-0
66 suppliers
$60.00/100mg
Yield:-
Steps:
Multi-step reaction with 5 steps
1.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -20 °C / Schlenk technique; Inert atmosphere
1.2: 1 h / 25 °C / Schlenk technique; Inert atmosphere
1.3: 2 h / 25 °C / Schlenk technique; Inert atmosphere
2.1: toluene-4-sulfonic acid / acetone / 1 h / 25 °C
3.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / 0.5 h / 0 °C
4.1: lithium hydroxide; water / tetrahydrofuran / 4 h / 100 °C
5.1: copper(l) iodide; N,N,N,N,-tetramethylethylenediamine / 1-methyl-pyrrolidin-2-one / 1 h / 220 °C
References:
Podlesný, Jan;Pytela, Oldřich;Klikar, Milan;Jelínková, Veronika;Kityk, Iwan V.;Ozga, Katarzyna;Jedryka, Jaroslaw;Rudysh, Myron;Bureš, Filip [Organic and Biomolecular Chemistry,2019,vol. 17,# 14,p. 3623 - 3634]
![2-(2,2-dimethoxyethylsulfanyl)thiophene](/CAS/20180529/GIF/98558-44-2.gif)
98558-44-2
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![THIENO[2,3-B]THIOPHENE](/CAS/GIF/250-84-0.gif)
250-84-0
66 suppliers
$60.00/100mg
![THIENO[2,3-B]THIOPHENE-2-CARBOXYLIC ACID](/CAS/GIF/14756-75-3.gif)
14756-75-3
48 suppliers
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![THIENO[2,3-B]THIOPHENE](/CAS/GIF/250-84-0.gif)
250-84-0
66 suppliers
$60.00/100mg
![Acetylene](/CAS/GIF/74-86-2.gif)
74-86-2
71 suppliers
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![THIENO[2,3-B]THIOPHENE](/CAS/GIF/250-84-0.gif)
250-84-0
66 suppliers
$60.00/100mg
![Aconitic Acid](/CAS/GIF/499-12-7.gif)
499-12-7
35 suppliers
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![THIENO[2,3-B]THIOPHENE](/CAS/GIF/250-84-0.gif)
250-84-0
66 suppliers
$60.00/100mg