A green, efficient protocol for the catalyst-free synthesis of tetrahydro-1H-pyrazolo-[3,4-b]-quinolin-5(4H)-ones supported by ultrasonicirradiation
Publication type: Journal Article
Publication date: 2020-12-01
scimago Q4
wos Q2
SJR: 0.116
CiteScore: 6.3
Impact factor: 2.7
ISSN: 24058300
General Chemistry
Abstract
• A facile, an efficient protocol using ultrasound irradiation. • Synthesis of tetrahydro-1H-pyrazolo-[3,4-b]-quinolin-5(4H)-ones. • One-pot/multi-component green solvent (ethanol) protocol. • Excellent yields (94 to 98%) in short reaction times (< 10 min). A green and efficient protocol for the one-pot, multicomponent, catalyst-free synthesis of tetrahydro-1H-pyrazolo-[3,4-b]-quinolin-5(4H)-ones (4a-j) from the reaction of 5-amino-3-methyl-1-phenylpyrazole, aromatic aldehydes, and dimedone in ethanol as green solvent under ultrasound irradiation is described. This protocol offers several benefits such as simple handling, easy workup process, waste-free, milder reaction conditions, cleaner reaction, environment-friendly, short reaction times, absence of any tedious purification and excellent yields.
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Total citations:
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Citations from 2024:
4
(23.53%)
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Devi L. et al. A green, efficient protocol for the catalyst-free synthesis of tetrahydro-1H-pyrazolo-[3,4-b]-quinolin-5(4H)-ones supported by ultrasonicirradiation // Chemical Data Collections. 2020. Vol. 30. p. 100566.
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Devi L., Kerru N., Maddila S., Jonnalagadda S. A green, efficient protocol for the catalyst-free synthesis of tetrahydro-1H-pyrazolo-[3,4-b]-quinolin-5(4H)-ones supported by ultrasonicirradiation // Chemical Data Collections. 2020. Vol. 30. p. 100566.
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TY - JOUR
DO - 10.1016/j.cdc.2020.100566
UR - https://doi.org/10.1016/j.cdc.2020.100566
TI - A green, efficient protocol for the catalyst-free synthesis of tetrahydro-1H-pyrazolo-[3,4-b]-quinolin-5(4H)-ones supported by ultrasonicirradiation
T2 - Chemical Data Collections
AU - Devi, Lagudu
AU - Kerru, Nagaraju
AU - Maddila, Suresh
AU - Jonnalagadda, S.B.
PY - 2020
DA - 2020/12/01
PB - Elsevier
SP - 100566
VL - 30
SN - 2405-8300
ER -
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@article{2020_Devi,
author = {Lagudu Devi and Nagaraju Kerru and Suresh Maddila and S.B. Jonnalagadda},
title = {A green, efficient protocol for the catalyst-free synthesis of tetrahydro-1H-pyrazolo-[3,4-b]-quinolin-5(4H)-ones supported by ultrasonicirradiation},
journal = {Chemical Data Collections},
year = {2020},
volume = {30},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.cdc.2020.100566},
pages = {100566},
doi = {10.1016/j.cdc.2020.100566}
}