Studies in the chemistry of 1,2,5-oxadiazole. I. Synthesis of some furazanopyrazines from 3,4-diamino-1,2,5-oxadiazole
✍ Scribed by A. Gasco; G. Ruà; E. Menziani; G. M. Nano; G. Tappi
- Book ID
- 112122011
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1969
- Tongue
- English
- Weight
- 120 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0022-152X
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📜 SIMILAR VOLUMES
## Abstract Reaction of the 1‐substituted‐3‐cyano‐isothioureas **6** with hydroxylamine gave mixtures of the 5‐amino‐3‐substituted‐amino‐1,2,4‐oxadiazoles **1** and the isomeric 3‐amino‐5‐substituted‐amino‐1,2,4‐oxadiazoles **8** in which **1** usually predominated. The structural assignment of the
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
## Abstract The 5‐amino‐3‐arylamino‐1,2,4‐oxadiazoles **2** are conveniently prepared by oxidative cyclization of the arylamidinoureas **10**. The process is also capable of producing a variety of the 5‐substituted‐amino analogs **32** when the appropriately substituted guanidine **31** is employed