Selective Synthesis of Pyrazolo[1,2-a]pyrazolones and 2-Acylindoles via Rh(III)-Catalyzed Tunable Redox-Neutral Coupling of 1-Phenylpyrazolidinones with Alkynyl Cyclobutanols
Тип публикации: Journal Article
Дата публикации: 2020-05-28
SCImago Q1
Tоп 10% SCImago
WOS Q1
БС1
SJR: 1.007
CiteScore: 8.7
Impact factor: 5
ISSN: 15237060, 15237052
PubMed ID:
32463683
Organic Chemistry
Biochemistry
Physical and Theoretical Chemistry
Краткое описание
An unprecedented divergent synthesis of pyrazolo[1,2-a]pyrazolones and 2-acylindoles via Rh(III)-catalyzed [4 + 1] or [3 + 2] annulation of 1-phenylpyrazolidinones with alkynyl cyclobutanols through redox-neutral multiple bond activation by using -NH and -OH units as directing groups is presented. Notably, different annulation reactions were selectively achieved by simply adjusting the reaction conditions. With features such as simple procedures, easily accessible substrates, and high regio/chemoselectivity, these methods may find wide applications in related areas.
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Xu Y. et al. Selective Synthesis of Pyrazolo[1,2-a]pyrazolones and 2-Acylindoles via Rh(III)-Catalyzed Tunable Redox-Neutral Coupling of 1-Phenylpyrazolidinones with Alkynyl Cyclobutanols // Organic Letters. 2020. Vol. 22. No. 12. pp. 4697-4702.
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Xu Y., Shen M., Zhang X., Fan X. Selective Synthesis of Pyrazolo[1,2-a]pyrazolones and 2-Acylindoles via Rh(III)-Catalyzed Tunable Redox-Neutral Coupling of 1-Phenylpyrazolidinones with Alkynyl Cyclobutanols // Organic Letters. 2020. Vol. 22. No. 12. pp. 4697-4702.
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TY - JOUR
DO - 10.1021/acs.orglett.0c01475
UR - https://doi.org/10.1021/acs.orglett.0c01475
TI - Selective Synthesis of Pyrazolo[1,2-a]pyrazolones and 2-Acylindoles via Rh(III)-Catalyzed Tunable Redox-Neutral Coupling of 1-Phenylpyrazolidinones with Alkynyl Cyclobutanols
T2 - Organic Letters
AU - Xu, Yuanshuang
AU - Shen, Mengyang
AU - Zhang, Xinying
AU - Fan, Xuesen
PY - 2020
DA - 2020/05/28
PB - American Chemical Society (ACS)
SP - 4697-4702
IS - 12
VL - 22
PMID - 32463683
SN - 1523-7060
SN - 1523-7052
ER -
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@article{2020_Xu,
author = {Yuanshuang Xu and Mengyang Shen and Xinying Zhang and Xuesen Fan},
title = {Selective Synthesis of Pyrazolo[1,2-a]pyrazolones and 2-Acylindoles via Rh(III)-Catalyzed Tunable Redox-Neutral Coupling of 1-Phenylpyrazolidinones with Alkynyl Cyclobutanols},
journal = {Organic Letters},
year = {2020},
volume = {22},
publisher = {American Chemical Society (ACS)},
month = {may},
url = {https://doi.org/10.1021/acs.orglett.0c01475},
number = {12},
pages = {4697--4702},
doi = {10.1021/acs.orglett.0c01475}
}
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MLA
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Xu, Yuanshuang, et al. “Selective Synthesis of Pyrazolo[1,2-a]pyrazolones and 2-Acylindoles via Rh(III)-Catalyzed Tunable Redox-Neutral Coupling of 1-Phenylpyrazolidinones with Alkynyl Cyclobutanols.” Organic Letters, vol. 22, no. 12, May. 2020, pp. 4697-4702. https://doi.org/10.1021/acs.orglett.0c01475.
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