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Facile and convenient synthesis of new thieno[2,3-b]-thiophene derivatives
Journal article   Open access  Peer reviewed

Facile and convenient synthesis of new thieno[2,3-b]-thiophene derivatives

Yahia Nasser Mabkhot, Nabila abd Elshafy Kheder and Abdullah Mohammad Al-Majid
Molecules (Basel, Switzerland), Vol.15(12), pp.9418-9426
01/12/2010
DOI: https://doi.org/10.3390/molecules15129418
PMCID: PMC6259565
PMID: 21173726

Abstract

Thiophenes - chemical synthesis Thiophenes - chemistry
A facile and convenient synthesis of bis(2-(1H-benzo[d]imidazol-2(3H)-ylidene)-3-oxopropanenitrile), bis((3-amino-5-(methylthio)-1H-pyrazol-4-yl)methanone) and bis(2-thioxo-1,2-dihydropyrimidine-5-carbonitrile) derivatives incorporating a thieno- [2,3-b]thiophene moiety via versatile, readily accessible diethyl 3,4-dimethylthieno-[2,3-b]thiophene-2,5-dicarboxylate is described.
url
https://doi.org/10.3390/molecules15129418View
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