Abstract
Treatment of 1-(5-acetyl-3,4-dimethythieno[2,3-b]thiophene-2yl)ethanone (1) with dimethylformamide dimethyl acetal afforded enaminone derivative 2, which reacted with amino derivatives to give the corresponding bis-pyrimidine, bis-pyrazole, bis-triazolo-pyrimidine and bis-benzoimidazopyrimidine derivatives.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Imidazoles / chemical synthesis
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Imidazoles / chemistry
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Pyrazoles / chemical synthesis
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Pyrazoles / chemistry
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Pyrimidines / chemical synthesis
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Pyrimidines / chemistry
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Thiophenes / chemical synthesis*
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Thiophenes / chemistry
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Transition Temperature
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Triazoles / chemical synthesis
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Triazoles / chemistry
Substances
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Imidazoles
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Pyrazoles
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Pyrimidines
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Thiophenes
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Triazoles