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‐
✦ LIBER ✦
Syntheses of functionalized thieno[3,4-d]imidazoles and thieno[3,2-d]pyrimidines from chlorine-containing enamidonitriles
✍ Scribed by S. V. Popil’nichenko; S. G. Pil’o; V. S. Brovarets; B. S. Drach
- Book ID
- 111459116
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 124 KB
- Volume
- 76
- Category
- Article
- ISSN
- 1070-3632
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