N-Tosylhydrazone directed annulation via C–H/N–N bond activation in Ru(ii)/PEG-400 as homogeneous recyclable catalytic system: a green synthesis of isoquinolines

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发布日期 2018-06-08

DOI 10.1039/C8OB01082J

影响因子 3.876

作者

Dewal S. Deshmukh, Bhalchandra M. Bhanage

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摘要

A green and sustainable methodology for the synthesis of isoquinolines using Ru(II)/PEG-400 as a homogeneous recyclable catalytic system has been demonstrated. N-Tosylhydrazone, a rarely explored directing group, has been successfully employed for an annulation type of reaction with alkynes via C–H/N–N activation. A short reaction time with a simple extraction procedure, a wide substrate scope with high yields of products, easily prepared substrates, biodegradable solvent, and scalability up to the gram level enhance the efficiency and sustainability of the proposed protocol. Further, the expensive ruthenium-based homogeneous catalytic system could be reused up to a fourth consecutive cycle without any loss in its activity.

期刊推荐

Helvetica Chimica Acta

Journal of Organometallic Chemistry

Journal of Medicinal Chemistry

Israel Journal of Chemistry

Science Progress

Journal of Catalysis

Pharmacological Reviews

European Journal of Wood and Wood Products

Pure and Applied Chemistry

Nature

来源期刊

Organic & Biomolecular Chemistry

CiteScore: 3.4

自引率: 10.3%

年发文量: 1041

Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.

N-Tosylhydrazone directed annulation via C–H/N–N bond activation in Ru(ii)/PEG-400 as homogeneous recyclable catalytic system: a green synthesis of isoquinolines

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来源期刊

Organic & Biomolecular Chemistry

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