[4+2] Annulation of 3-(2,2-diethoxyethyl)-1,3-dicarbonyl compounds with indoles catalyzed by Brønsted acid ionic liquid for the synthesis of carbazoles
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School of chemistry and chemical engineering
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Huazhong university of Science and Technology
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430074 Wuhan China
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Publication type: Journal Article
Publication date: 2018-11-01
scimago Q3
wos Q3
SJR: 0.334
CiteScore: 3.2
Impact factor: 1.5
ISSN: 00404039, 18733581
Organic Chemistry
Drug Discovery
Biochemistry
Abstract
Various carbazoles were synthesized via [4+2] annulation of 3-(2,2-diethoxyethyl)-1,3-dicarbonyl compounds with indoles. A Bronsted acid ionic liquid, [BPy]HSO4, was proven to be effective catalyst for this reaction. The ionic liquid catalyst can be recycled three times without significant loss of its catalytic activity.
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12
Total citations:
12
Citations from 2024:
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(45.45%)
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Du Y. et al. [4+2] Annulation of 3-(2,2-diethoxyethyl)-1,3-dicarbonyl compounds with indoles catalyzed by Brønsted acid ionic liquid for the synthesis of carbazoles // Tetrahedron Letters. 2018. Vol. 59. No. 48. pp. 4221-4225.
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Du Y., Xue W., Gao R., Gu Y., Han L. [4+2] Annulation of 3-(2,2-diethoxyethyl)-1,3-dicarbonyl compounds with indoles catalyzed by Brønsted acid ionic liquid for the synthesis of carbazoles // Tetrahedron Letters. 2018. Vol. 59. No. 48. pp. 4221-4225.
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TY - JOUR
DO - 10.1016/j.tetlet.2018.10.029
UR - https://doi.org/10.1016/j.tetlet.2018.10.029
TI - [4+2] Annulation of 3-(2,2-diethoxyethyl)-1,3-dicarbonyl compounds with indoles catalyzed by Brønsted acid ionic liquid for the synthesis of carbazoles
T2 - Tetrahedron Letters
AU - Du, Yuying
AU - Xue, Wenyu
AU - Gao, Ruoxuan
AU - Gu, Yanlong
AU - Han, Limin
PY - 2018
DA - 2018/11/01
PB - Elsevier
SP - 4221-4225
IS - 48
VL - 59
SN - 0040-4039
SN - 1873-3581
ER -
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BibTex (up to 50 authors)
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@article{2018_Du,
author = {Yuying Du and Wenyu Xue and Ruoxuan Gao and Yanlong Gu and Limin Han},
title = {[4+2] Annulation of 3-(2,2-diethoxyethyl)-1,3-dicarbonyl compounds with indoles catalyzed by Brønsted acid ionic liquid for the synthesis of carbazoles},
journal = {Tetrahedron Letters},
year = {2018},
volume = {59},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/j.tetlet.2018.10.029},
number = {48},
pages = {4221--4225},
doi = {10.1016/j.tetlet.2018.10.029}
}
Cite this
MLA
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Du, Yuying, et al. “[4+2] Annulation of 3-(2,2-diethoxyethyl)-1,3-dicarbonyl compounds with indoles catalyzed by Brønsted acid ionic liquid for the synthesis of carbazoles.” Tetrahedron Letters, vol. 59, no. 48, Nov. 2018, pp. 4221-4225. https://doi.org/10.1016/j.tetlet.2018.10.029.