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Copper-(i) catalyzed formation of 3-methoxy-2,5-dimethylthiophene and 3,4-dimethoxy-2,5-dimethylthiophene
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| Author |
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| Abstract |
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| 3-Methoxy-2,5-dimethylthiophene and 3,4-dimethoxy-2,5-dimethylthiophene have been prepared from 3,4-dibromo-2,5-dimethylthiophene and sodium methoxide using Cu(I)Br as a catalyst. The influence of some cosolvents and reaction temperature is investigated. Best results are obtained by refluxing in DMF at 125 degrees C for 4 hours. The mixture is easily separated by flash chromatography. | | |
| Language |
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English
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| Source (journal) |
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Tetrahedron. - Oxford | |
| Publication |
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Oxford : 1994
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| ISSN |
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0040-4020
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| Volume/pages |
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50:39(1994), p. 11533-11540
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| ISI |
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A1994PH43200015
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| Full text (publisher's version - intranet only) |
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