5 results on '"Shokol, Tatyana V."'
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2. 4H,8H-Pyrano[2,3-f]chromene-4,8-diones as versatile precursors for the synthesis of 6-(1,2-oxazol-5-yl)-2H-chromene-2-ones
3. An alternative approach to the synthesis of 5<italic>H</italic>-chromeno[4,3-<italic>b</italic>]pyridin-5-one system using the cleavage of 5<italic>H</italic>,9<italic>H</italic>-pyrano[2',3':5,6]chromeno[4,3-<italic>b</italic>]pyridine-5,9-diones with binucleophiles
- Abstract
Hantzsch reaction has been successfully employed for a one-step assembling of pyranopyridine fragment to produce 5
Н ,9Н -pyrano[2',3':5,6]- chromeno[4,3-b ]pyridine-5,9-diones which upon treatment with binucleophiles undergo chemoselective γ-pyrone ring opening with the concomitant recyclization to give five-membered cycles, providing a concise route to 6-pyrazolyl(isoxazolyl)-5H -chromeno[4,3-b ]- pyridin-5-ones. [ABSTRACT FROM AUTHOR]
4. ChemInform Abstract: 4H,8H-Pyrano[2,3-f]chromene-4,8-diones as Versatile Precursors for the Synthesis of 6-(1,2-Oxazol-5-yl)-2H-chromene-2-ones.
5. 4H,8H-Pyrano[2,3-f]chromene-4,8-diones as versatile precursors for the synthesis of 6-(1,2-oxazol-5-yl)-2H-chromene-2-ones
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