том 86 издание 9 страницы 1256-1266

A Flexible Synthetic Approach to Fluorescent Chromeno[4,3-b]pyridines and Pyrano[3,2-c]chromenes from Electron-Deficient 3-Vinylchromones.

Тип публикацииJournal Article
Дата публикации2021-09-01
scimago Q2
wos Q2
БС2
SJR0.730
CiteScore4.4
Impact factor2.8
ISSN21926506
General Chemistry
Краткое описание

We report a flexible approach to the synthesis of phenanthrene‐like heterocycles through organocatalytic ANRORC (Addition of the Nucleophile, Ring Opening, and Ring Closure) reaction of electron‐deficient 3‐vinylchromones with cyanoacetamide. Addition of highly basic DBU (1,8‐diazabicyclo[5.4.0]undec‐7‐ene) or tetramethylguanidine (TMG) at 80 °C leads to chromeno[4,3‐b]pyridines in good yields, whereas Et3N at 20 °C made it possible to obtain the less accessible pyrano[3,2‐c]chromenes and their 2‐imines. The synthesis proceeds in mild conditions (EtOH, 20–80 °C), is versatile and applicable for a wide scope of reactants. The obtained compounds show bright fluorescence in the range 460–595 nm with high quantum yields (up to 0.84) in various solvents (MeCN, DMSO, EtOH, H2O).

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Russian Journal of General Chemistry
2 публикации, 25%
Chemistry of Heterocyclic Compounds
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Advanced Synthesis and Catalysis
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ChemistrySelect
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Journal of Molecular Structure
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Journal of Heterocyclic Chemistry
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Current Green Chemistry
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Chernov N. M. et al. A Flexible Synthetic Approach to Fluorescent Chromeno[4,3-b]pyridines and Pyrano[3,2-c]chromenes from Electron-Deficient 3-Vinylchromones. // ChemPlusChem. 2021. Vol. 86. No. 9. pp. 1256-1266.
ГОСТ со всеми авторами (до 50) Скопировать
Chernov N. M., Shutov R. V., Sipkina N. Yu., Krivchun M. N., Yakovlev I. P. A Flexible Synthetic Approach to Fluorescent Chromeno[4,3-b]pyridines and Pyrano[3,2-c]chromenes from Electron-Deficient 3-Vinylchromones. // ChemPlusChem. 2021. Vol. 86. No. 9. pp. 1256-1266.
RIS |
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TY - JOUR
DO - 10.1002/cplu.202100296
UR - https://doi.org/10.1002/cplu.202100296
TI - A Flexible Synthetic Approach to Fluorescent Chromeno[4,3-b]pyridines and Pyrano[3,2-c]chromenes from Electron-Deficient 3-Vinylchromones.
T2 - ChemPlusChem
AU - Chernov, Nikita M
AU - Shutov, R V
AU - Sipkina, Nadezhda Yu
AU - Krivchun, Maxim N
AU - Yakovlev, Igor P
PY - 2021
DA - 2021/09/01
PB - Wiley
SP - 1256-1266
IS - 9
VL - 86
PMID - 34472730
SN - 2192-6506
ER -
BibTex |
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@article{2021_Chernov,
author = {Nikita M Chernov and R V Shutov and Nadezhda Yu Sipkina and Maxim N Krivchun and Igor P Yakovlev},
title = {A Flexible Synthetic Approach to Fluorescent Chromeno[4,3-b]pyridines and Pyrano[3,2-c]chromenes from Electron-Deficient 3-Vinylchromones.},
journal = {ChemPlusChem},
year = {2021},
volume = {86},
publisher = {Wiley},
month = {sep},
url = {https://doi.org/10.1002/cplu.202100296},
number = {9},
pages = {1256--1266},
doi = {10.1002/cplu.202100296}
}
MLA
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Chernov, Nikita M., et al. “A Flexible Synthetic Approach to Fluorescent Chromeno[4,3-b]pyridines and Pyrano[3,2-c]chromenes from Electron-Deficient 3-Vinylchromones..” ChemPlusChem, vol. 86, no. 9, Sep. 2021, pp. 1256-1266. https://doi.org/10.1002/cplu.202100296.
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