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Synthese von Thieno[2,3—f]chinolin-Derivaten

✍ Scribed by F. Sauter; G. Büyük


Publisher
Springer Vienna
Year
1974
Tongue
English
Weight
224 KB
Volume
105
Category
Article
ISSN
0026-9247

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Synthese von 2,4-Diamino-thieno[2,3-d]py
✍ Helmut Link 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 German ⚖ 424 KB 👁 1 views

Synthesis of 2,4‐Diamino‐thieno[2,3‐__d__]pyrimidines Condensation of 2‐aminothiophene‐3‐carbonitrile (4) with guanidine or sequential addition of CS~2~ and NH~3~ to 4 provides 2,4‐diaminothieno[2,3‐__d__]pyrimidine (7). This compound yields, after sequential addition of __sec__‐BuLi and either [3‐