Novel 5-thia-1-azacycl[3.3.2]azine derivatives 1, 5-thia-1,8b-diazaacenaphthylenes, have successfully been prepared. An X-ray crystallographic analysis of 1c revealed that the 5-thia-1-azacycl[3.3.2]azine ring system adopts a planar structure as to the internal ring nitrogen atom. The 1 H NMR spectr
Synthesis of the 5-selena-1,3,6-triazacycl[3.2.3]azine system
β Scribed by O. Ceder; B. Beijer
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- French
- Weight
- 354 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0040-4020
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## Abstract Novel heterocycles [1,2,5]selenadiazolo[3,4β__e__][1,4]diazepines **3aβc**, [1,2,5]thiadiazolo[3,4β__e__]β[1,4]diazepines **7aβc**, [1,2,5]selenadiazolo[3,4β__e__][1,4]oxaepines **4a,b**, [1,2,5]thiadiazolo[3,4β__e__]β[1,4]oxazepines **9aβc** and [1,2,5]selena(or thia)diazolo[3,4β__c__]
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a βFull Textβ option. The original article is trackable v
We wish.to report reactions leading to a new heterocyclic system of 1,4-diazacyc1[3.2.2]azine (I). We use the nomenclature proposed by V. Boekelheide in his definitive paper on cyclazines (1). 5-Amino-2-methylimidazo[l,l-alpyridine (2) was acetylated with acetic anhydride. The..reaction mixture was