Synthesis of New 8‐Azapurines The ethyl 5‐amino‐1__H__‐1,2,3‐triazole‐4‐carboxylates 1 react with orthoformate and hydrazine or substituted phenethylamine to yield the 8‐azapurines 3, 5, and 8, respectively.
Synthese neuer heteroanellierter 8-Azapurine
✍ Scribed by Ried, Walter ;Laoutidis, Joannis
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 158 KB
- Volume
- 1990
- Category
- Article
- ISSN
- 0947-3440
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✦ Synopsis
Synthesis of New Heteroannulated 8‐Azapurines
The 1,2,3‐Triazoles 1 react with biselectrophiles 2, 3, 4, 7, and 9 to the pyrimido‐annulated 8‐Azapurines 5a–d, 6a, b, 8a–c, and 10a–d.
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