3-Methoxy-2,Giimethylthiophene and 3,4diiethoxy-2,5dimethylthiophene have been prepared from 3,4-dibromo-2,5dimethylthiophene 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 refloxing in DMF at
✦ LIBER ✦
Synthesis and photochromism of dimers of 4,5-diaryl-2-(2,5-dimethylthiophen-3-yl)imidazolyl
✍ Scribed by Jin-Quan Bai; Xiao-Chun Han; Yong-Mei Wang; Ji-Ben Meng
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 203 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0256-7660
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