Ru(<scp>ii</scp>)-catalyzed regioselective [4 + 1] redox-neutral spirocyclization of aryl amidines with diazopyrazolones: direct access to spiro[indole-3,4′-pyrazol]-5′-ones-Reference-Cited by-同舟云学术

Ru(ii)-catalyzed regioselective [4 + 1] redox-neutral spirocyclization of aryl amidines with diazopyrazolones: direct access to spiro[indole-3,4′-pyrazol]-5′-ones

Published:2024 Issue:6 Volume:11 Page:1811-1816
ISSN:2052-4129
Container-title:Organic Chemistry Frontiers
language:en
Short-container-title:Org. Chem. Front.

Author:

Cui Bo¹,Shen Jian¹,Feng Yadong²,Lin Shenghui¹,Cui Xiuling¹^ORCID

Affiliation:

1. Engineering Research Centre of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China

2. Engineering Research Center of Natural Cosmeceuticals College of Fujian Province and Department of Public Health and Medical Technology, Xiamen Medical College, Xiamen, Fujian 361023, P. R. China

Abstract

An efficient protocol to construct spiro[indole-3,4′-pyrazol]-5′-ones via ruthenium(ii)-catalyzed selective C–H bond activation/[4 + 1] spirocyclization starting from easily available N-aryl amidines and diazopyrazolones has been developed.

Funder

Higher Education Discipline Innovation Project

Huaqiao University

Fujian Provincial Department of Science and Technology

Publisher

Royal Society of Chemistry (RSC)

Link

http://pubs.rsc.org/en/content/articlepdf/2024/QO/D3QO02071A

Reference42 articles.

1. Iridium-catalysed direct sulfamidation of quinazolinones

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3. Cobalt-Catalyzed Selective Synthesis of Isoquinolines Using Picolinamide as a Traceless Directing Group

4. Rh(III)‐Catalyzed Synthesis of Multisubstituted Isoquinolines from Benzylamines and Diazo Compounds

5. Rhodium‐Catalyzed Transannulation of 1,2, 3‐Thiazoles with Alkynes for the Direct Synthesis of Thiochromenones

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