Reaction of 4-Aryl-1-(4-oxo-3,4-dihydrothieno-[2,3-d]pyrimidin-2-yl)thiosemicarbazides with Dimethyl Acetylenedicarboxylate
โ Scribed by R. I. Vas'kevich; Yu. L. Zborovskii; V. I. Staninets; A. N. Chernega
- Book ID
- 111609318
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2004
- Tongue
- English
- Weight
- 238 KB
- Volume
- 40
- Category
- Article
- ISSN
- 1070-4280
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๐ SIMILAR VOLUMES
## Abstract Possible approaches to synthesis of 5โmethylโ4โoxoโ2โ(coumarinโ3โyl)โ__N__โarylโ3,4โdihydrothieno[2,3โ__d__]pyrimidineโ6โcarboxamides **4** have been discussed. It is shown that the preferable approach is cyclization of 2โiminocoumarinโ3โcarboxamides **1**, utilizing 5โaminoโ3โmethylโ__
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