## Abstract 4βHydrazinoβ7__H__βpyrrolo[2,3β__d__]pyrimidines **4** were cyclocondensed with formic acid or triethyl orthoformate to give 7__H__βpyrrolo[3,2β__e__][1,2,4]triazolo[1,5β__c__]pyrimidines **6** and 7__H__βpyrrolo[3,2β__e__][1,2,4]triazolo[4,3β__c__]pyrimidines **7**, respectively. The [
Synthesis and Interconversion of Isomeric Pyrrolotriazolopyrimidines.
β Scribed by Nirmal D. Desai
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 33 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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## Abstract 4βHydrazinoβ7__H__βpyrrolo[2,3β__d__]pyrimidines (**4**) were cyclocondensed with formic acid or triethyl orthoformate to give 7__H__β1,2,4βtriazolo[1,5β__c__]pyrrolo[3,2β__e__]pyrimidines (**5**) and 7__H__β1,2,4βtriazolo[4,3β__c__]pyrroloβ[3,2β__e__]pyrimidines (**6**) respectively. T