Аннотация:
Chromone and chromone-3-carboxylic acid react with cyanoacetic acid hydrazide in the presence of NaOEt in boiling ethanol to form 6-(2-hydroxyphenyl)-1H-pyrazolo[3,4-b]pyridin-3(2H)-one (58–62% yields), whereas reaction between chromone-3-carboxamides and cyanoacetic acid hydrazide under the same conditions affords 1-amino-2,5-dioxo-2,5-dihydro-1H-chromeno[4,3-b]pyridine-3-carbonitriles (50–67% yields).
Образец цитирования:
M. Yu. Kornev, V. S. Moshkin, O. S. Eltsov, V. Ya. Sosnovskikh, “Reactions of chromone-3-carboxylic acid and chromone-3-carboxamides with cyanoacetic acid hydrazide”, Mendeleev Commun., 26:1 (2016), 72–74
Образцы ссылок на эту страницу:
https://www.mathnet.ru/rus/mendc2115
https://www.mathnet.ru/rus/mendc/v26/i1/p72
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Magdy A. Ibrahim, Youssef A. Alnamer, “Synthetic Approaches for Construction of Novel 3-Heteroarylchromeno[2,3-b]pyridines and Annulated Chromenopyridopyrazolopyrimidines”, HETEROCYCLES, 102:11 (2021), 2138
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Y. Sheena Mary, Y. Shyma Mary, K. S. Resmi, S. Sarala, Rohitash Yadav, Ismail Celik, “Modeling the structural and reactivity properties of hydrazono methyl-4H-chromen-4-one derivatives—wavefunction-dependent properties, molecular docking, and dynamics simulation studies”, J Mol Model, 27:6 (2021)
M. Yu. Kornev, D. S. Tishin, D. L. Obydennov, V. Ya. Sosnovskikh, “Reactions of 3-functionalized chromones with triacetic acid lactone”, Mendeleev Commun., 30:2 (2020), 233–235
Magdy A. Ibrahim, Youssef A. Alnamer, “Ring Opening and Recyclization Reactions of 3‐Nitrochromone with Some Nucleophilic Reagents”, Journal of Heterocyclic Chem, 56:9 (2019), 2341
Magdy A. Ibrahim, Azza M. El‐Kazak, “Ring Opening and Recyclization Reactions with Chromone‐3‐carbonitrile”, Journal of Heterocyclic Chem, 56:3 (2019), 1075
Sundaravel Vivek Kumar, Shanmugam Muthusubramanian, Subbu Perumal, “Recent Progress in the Synthesis of Pyrazolopyridines and Their Derivatives”, Organic Preparations and Procedures International, 51:1 (2019), 1
D. L. Obydennov, A. I. El-Tantawy, M. Yu. Kornev, V. Ya. Sosnovskikh, “Reactions of carbamoylated amino enones with 3-substituted chromones for the preparation of 2-pyridones and chromeno[4,3-b]pyridine-2,5-diones”, Mendeleev Commun., 29:2 (2019), 234–236
M. Yu. Kornev, D. S. Tishin, V. Ya. Sosnovskikh, “Reactions of chromone-3-carboxamides with 2-cyanothioacetamides”, Mendeleev Commun., 29:1 (2019), 67–68
Magdy A. Ibrahim, Al‐Shimaa Badran, Salsabeel H. Hashiem, “Heteroannulated Coumarins and Chromones from Chemical Transformations of 6,8‐Dimethylchromone‐3‐carbonitrile”, Journal of Heterocyclic Chem, 55:12 (2018), 2844
V. Ya. Sosnovskikh, D. A. Vetyugova, A. V. Safrygin, O. S. Eltsov, P. A. Slepukhin, “Self-condensation of 2-(ethoxalylmethyl)chromones into new derivatives of isotetronic acid”, Mendeleev Commun., 28:4 (2018), 434–436
D. Yu. Demin, K. A. Myannik, P. A. Ermolich, M. M. Krayushkin, V. N. Yarovenko, “Synthesis of 3-(N-arylthiocarbamoyl)chromones from 2-hydroxyaryl amino enones and isothiocyanates”, Mendeleev Commun., 28:5 (2018), 485–486
Clementina Santos, Vera Silva, Artur Silva, “Synthesis of Chromone-Related Pyrazole Compounds”, Molecules, 22:10 (2017), 1665
L. N. Kulikova, R. S. Borisov, L. G. Voskresenskii, “Ring opening in 1,2,3,4-tetrahydrochromeno[3,2-c]pyridines under the action of electron-deficient alkynes”, Mendeleev Commun., 27:6 (2017), 640–641
Mikhail Yu. Kornev, Vyacheslav Ya. Sosnovskikh, “Synthesis and chemical properties of chromone-3-carboxylic acid (review)”, Chem Heterocycl Comp, 52:2 (2016), 71
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