Influence of benzo-bridging on the stability of 6aλ4-thia-1,2,5,6-tetraazapentalenic systems
✍ Scribed by Gerrit L'Abbé; Wim Dehaen; Lieve Bastin; Jean-Paul Declercq; J. Feneau-Dupont
- Book ID
- 112130302
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1992
- Tongue
- English
- Weight
- 270 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0022-152X
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📜 SIMILAR VOLUMES
## 3-Methy1-6,7-dihydrc~-SH-l, 2,4-th iadiazolo[4,5-a] pyrimidine 4a reacted with isocyanates and isothiocyanates with elimination of acetonitrile and concomitant addition of two molecules of the heterocumubne togive the2,3-disubstituted-6,7-dihydro-SH-2ah4-thia-2, 3, 4a, ia-tetraazacyclopent[cd]
Single-crystal X-ray study T = 100 K Mean '(C±C) = 0.002 A Ê R factor = 0.038 wR factor = 0.102 Data-to-parameter ratio = 14.5 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.