## Abstract A new synthetic route to build the [1,2,4]triazino[3,4โ __f__]purine nucleus is described. The novel [1,2,4]โtriazino[3,4โ __f__]purineโ4,6,8(l __H__,7 __H__,9 __H__)โtrione derivatives were obtained by condensation of 8โhydrazinotheophylline with appropriate glyoxylic acids __via__ the
โฆ LIBER โฆ
Cycloaddition Reaction of 8-Diazotheophylline with Some Dipolarophiles: Facile Synthesis of New Derivatives of 1,2,4-Triazino[3,4-f]purine.
โ Scribed by Mosselhi A. N. Mosselhi
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 14 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
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## Abstract The preparation of a novel purine containing heterocyclic ring system, indolotriazinopurine, by the condensation of 8โhydrazinotheophylline with 5โsubstituted isatins __via__ the intermediate hemiaminal and hydrazone derivatives, is described.