## 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, please click on HTML or PDF.
Synthesis of pyrimido [4,5-c] pyridazine (4-deazafervenulin), pyrazolo[3,4-d] pyrimidine and 6-(pyrazino-1-yl)pyrimidine derivatives
โ Scribed by Vishnu J. Ram; Hrishi Kesh Pandey; Arnold J. Vlietinck
- Book ID
- 112126160
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1980
- Tongue
- English
- Weight
- 258 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0022-152X
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๐ SIMILAR VOLUMES
## Abstract Pyrazoloโ[3,4โ__d__]pyrimidineโ4,6โdiones **5** and pyrazolo[4,3โ__d__]pyrimidineโ5,7โdiones **7** were synthesized by Curtius rearrangement of pyrazolic monoโesters **2** and **3** followed by heteroโcyclization __via__ the ureas derivatives **4** and **6** under alkaline conditions.
## 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 โFull Textโ option. The original article is trackable v