Vibrational spectra of the dithieno[3,2-b: 2′,3′-d] thiophene crystal
✍ Scribed by B. Lunelli; M. Muniz-Miranda; N. Neto; C. Taliani
- Book ID
- 108007551
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 746 KB
- Volume
- 45
- Category
- Article
- ISSN
- 1386-1425
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📜 SIMILAR VOLUMES
Single-crystal synchrotron study T = 150 K Mean '(C±C) = 0.005 A Ê Disorder in main residue R factor = 0.055 wR factor = 0.114 Data-to-parameter ratio = 13.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
An improved synthesis of dithieno[3,2-b:2%,3%-d]thiophene 1 is presented. By starting from 2,3-dibromothiophene 2 the total yield was improved from 35 to 58%. We also describe a more convenient synthesis of one of the reagents, benzenesulfonic acid thioanhydride 3.