Abstract
Heterocyclic compounds are attractive candidates because of their vast applications in natural and physical sciences. Thienothiophene (TT) is an annulated ring of two thiophene rings with a stable and electron-rich structure. Thienothiophenes (TTs) fully represent the planar system, which can drastically alter or improve the fundamental properties of organic, π-conjugated materials when included into a molecular architecture. These molecules possessed many applications including, pharmaceutical as well as optoelectronic properties. Different isomeric forms of thienothiophene showed various applications such as antiviral, antitumor, antiglaucoma, antimicrobial, and as semiconductors, solar cells, organic field effect transistors, electroluminiscents etc. A number of methodologies were adopted to synthesize thienothiophene derivatives. In this review, we have addressed different synthetic strategies of various isomeric forms of thienothiophene that have been reported during last seven years, i.e., 2016–2022.
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Abbreviations
- Al2O3 :
-
Aluminium oxide
- Br-TT-PhCN:
-
4-(2,5-Dibromothieno[3,2-b]thiophen-3-yl) benzonitrile
- (CH2)CN2 :
-
Malononitrile
- CS2 :
-
Carbon disulphide
- DCM:
-
Dichloromethane
- DDQ:
-
2,3-Dichloro-5,6-dicyano-1,4-benzoquinone
- DMF:
-
Dimethyl formamide
- DMSO:
-
Dimethyl sulphoxide
- LED:
-
Light-emiting diode
- Mes2BF:
-
Dimesitylboron flouride
- n-BuLi:
-
n-Butyl Lithium
- NBS:
-
N-Bromosuccinimide
- NEt3 :
-
Triethylamine
- OFETs:
-
Organic field effect transistors
- OLEDs:
-
Organic light emitting diodes
- Pd2(dba)3 :
-
Tris(dibenzylideneacetone)dipallium (0)
- Pd(OAc)2 :
-
Palladium (II) acetate
- P(o-tolyl)3 :
-
Tris(o-tolyl)phosphine
- PPA:
-
Polyphosphoric acid
- Pd (PPh3)4 :
-
Tetrakis(triphenylphosphine)Palladium
- Pd(PPh3)2Cl2 :
-
Bis(Triphenylphosphine)palladium (II) dichloride
- p-TsOH:
-
p-Toluenesulfonic acid
- TEA:
-
Triethylamine
- THF:
-
Tetrahydrofuran
- TPA:
-
Triphenylaminme
- TPE:
-
Tetraphenylethylene
- TPE-TTs:
-
Tetraphenylethylene-thienothiophenes
- TT:
-
Thienothiophene
- TT-TPA:
-
Thienothiophene-triphenylamine
- TT-TPA-TPE3:
-
Thienothiophene-tripheneylamine-tetraphenylethylene
- TTs:
-
Thienothiophenes
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Ayesha Rafiq, Sana Aslam, Muhammad Shahid Nazir and Ambar Farooq conducted the thorough literature survey and wrote the primary draft. Matloob Ahmad and Sadia Sultan updated the manuscript to its final form. Matloob Ahmad supervised the activity.
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Rafiq, A., Aslam, S., Ahmad, M. et al. Recent synthetic approaches towards thienothiophenes: a potential template for biologically active compounds. Mol Divers (2023). https://doi.org/10.1007/s11030-023-10647-1
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DOI: https://doi.org/10.1007/s11030-023-10647-1