A novel and expedient approach to new heterocycles containing benzothiophene, benzothieno[2,3-d]pyrimidine and coumarin moieties
✍ Scribed by Yaroslav V. Bilokin; Maksym V. Vasylyev; Olena V. Branytska; Sergiy M. Kovalenko; Valentyn P. Chernykh
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- French
- Weight
- 729 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0040-4020
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## Abstract magnified image Pyrazolo[1,5‐__a__]pyrimidines, pyrazoles, and thieno[2,3‐__b__]pyridine were synthesized from sodium salt of 5‐benzofuran‐2‐yl‐3‐hydroxypropenone and the appropriate of heterocyclic amines, diazonium chloride, and 1,3‐dicarbonoyl compounds. Pyrimidino[4′,5′:4,5]thieno[
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