An Efficient and Ecofriendly Three-Component Reaction for the Rapid Synthesis of 2-Amino-4H-chromenes Catalyzed by a DABCO-Based Ionic Liquid
Тип публикации: Journal Article
Дата публикации: 2018-07-02
SCImago Q2
WOS Q3
БС2
SJR: 0.443
CiteScore: 4.3
Impact factor: 2.2
ISSN: 00397881, 1437210X
Catalysis
Organic Chemistry
Краткое описание
An efficient, economical, and green strategy for the construction of biologically relevant 2-amino-4H-chromene scaffolds via a tandem Knoevenagel–Pinner cyclization–Michael reaction has been successfully developed. In the presence of DABCO-based ionic liquids, two different 2-amino-4H-chromene derivatives, 2-amino-4-(indol-3-yl)-4H-chromenes and 2-amino-4-(pyrazol-4-yl)-4H-chromenes, were prepared in good to excellent yields (81–97%) within short reaction times under mild conditions. All the products are purified by simple crystallization. The catalyst could be recycled for at least five times.
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Xu D. Z., LI C., Li Y. An Efficient and Ecofriendly Three-Component Reaction for the Rapid Synthesis of 2-Amino-4H-chromenes Catalyzed by a DABCO-Based Ionic Liquid // Synthesis. 2018. Vol. 50. No. 18. pp. 3708-3714.
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Xu D. Z., LI C., Li Y. An Efficient and Ecofriendly Three-Component Reaction for the Rapid Synthesis of 2-Amino-4H-chromenes Catalyzed by a DABCO-Based Ionic Liquid // Synthesis. 2018. Vol. 50. No. 18. pp. 3708-3714.
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TY - JOUR
DO - 10.1055/s-0037-1610123
UR - https://doi.org/10.1055/s-0037-1610123
TI - An Efficient and Ecofriendly Three-Component Reaction for the Rapid Synthesis of 2-Amino-4H-chromenes Catalyzed by a DABCO-Based Ionic Liquid
T2 - Synthesis
AU - Xu, Da Zhen
AU - LI, CHENG-BIN
AU - Li, Yu-Wei
PY - 2018
DA - 2018/07/02
PB - Georg Thieme Verlag KG
SP - 3708-3714
IS - 18
VL - 50
SN - 0039-7881
SN - 1437-210X
ER -
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@article{2018_Xu,
author = {Da Zhen Xu and CHENG-BIN LI and Yu-Wei Li},
title = {An Efficient and Ecofriendly Three-Component Reaction for the Rapid Synthesis of 2-Amino-4H-chromenes Catalyzed by a DABCO-Based Ionic Liquid},
journal = {Synthesis},
year = {2018},
volume = {50},
publisher = {Georg Thieme Verlag KG},
month = {jul},
url = {https://doi.org/10.1055/s-0037-1610123},
number = {18},
pages = {3708--3714},
doi = {10.1055/s-0037-1610123}
}
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MLA
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Xu, Da Zhen, et al. “An Efficient and Ecofriendly Three-Component Reaction for the Rapid Synthesis of 2-Amino-4H-chromenes Catalyzed by a DABCO-Based Ionic Liquid.” Synthesis, vol. 50, no. 18, Jul. 2018, pp. 3708-3714. https://doi.org/10.1055/s-0037-1610123.
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