Synthesis of 2H-Thiopirano[3,4-c]pyrazol-7-one Derivatives as the First Example a New Heterocyclic System
1
Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
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2
Ivan Franko National University of Lviv, Lviv, Ukraine
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Publication type: Journal Article
Publication date: 2020-07-01
scimago Q4
wos Q4
SJR: 0.179
CiteScore: 1.4
Impact factor: 0.8
ISSN: 10703632, 16083350
General Chemistry
Abstract
A series of ethyl 4-[(Z)-(4-oxo-2-thioxo-1,3-thiazolidin-5-ylidene)methyl]-1-aryl-1H-pyrazole-3-carboxylates was obtained as a result of the reaction of ethyl 4-formyl-1-aryl-1H-pyrazole-3-carboxylates with rhodanine. Under the action of NaOH, the prepared pyrazole-3-carboxylates underwent recyclization to form 2-aryl-7-oxo-2,7-dihydrothiopyrano[3,4-c]pyrazole-5-carboxylic acids—the first representatives of new heterocyclic system.
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Chaban T. I., Matiichuk Y. E., Matiychuk V. S. Synthesis of 2H-Thiopirano[3,4-c]pyrazol-7-one Derivatives as the First Example a New Heterocyclic System // Russian Journal of General Chemistry. 2020. Vol. 90. No. 7. pp. 1357-1361.
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Chaban T. I., Matiichuk Y. E., Matiychuk V. S. Synthesis of 2H-Thiopirano[3,4-c]pyrazol-7-one Derivatives as the First Example a New Heterocyclic System // Russian Journal of General Chemistry. 2020. Vol. 90. No. 7. pp. 1357-1361.
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TY - JOUR
DO - 10.1134/s1070363220070257
UR - https://doi.org/10.1134/s1070363220070257
TI - Synthesis of 2H-Thiopirano[3,4-c]pyrazol-7-one Derivatives as the First Example a New Heterocyclic System
T2 - Russian Journal of General Chemistry
AU - Chaban, T I
AU - Matiichuk, Y E
AU - Matiychuk, V S
PY - 2020
DA - 2020/07/01
PB - Pleiades Publishing
SP - 1357-1361
IS - 7
VL - 90
SN - 1070-3632
SN - 1608-3350
ER -
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@article{2020_Chaban,
author = {T I Chaban and Y E Matiichuk and V S Matiychuk},
title = {Synthesis of 2H-Thiopirano[3,4-c]pyrazol-7-one Derivatives as the First Example a New Heterocyclic System},
journal = {Russian Journal of General Chemistry},
year = {2020},
volume = {90},
publisher = {Pleiades Publishing},
month = {jul},
url = {https://doi.org/10.1134/s1070363220070257},
number = {7},
pages = {1357--1361},
doi = {10.1134/s1070363220070257}
}
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MLA
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Chaban, T. I., et al. “Synthesis of 2H-Thiopirano[3,4-c]pyrazol-7-one Derivatives as the First Example a New Heterocyclic System.” Russian Journal of General Chemistry, vol. 90, no. 7, Jul. 2020, pp. 1357-1361. https://doi.org/10.1134/s1070363220070257.