Copper powder-catalyzed C-N bond formation of arylhydrazones of 2-bromobenzaldehydes leading to 1-aryl-1 H-indazoles

Hye Kyung Lee; Chan Sik Cho

doi:10.1080/00397911.2011.614714

Copper powder-catalyzed C-N bond formation of arylhydrazones of 2-bromobenzaldehydes leading to 1-aryl-1 H-indazoles

Hye Kyung Lee, Chan Sik Cho

Department of Applied Chemistry

Kyungpook National University

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

Arylhydrazones of 2-bromobenzaldehydes and its analogs are cyclized in PEG-400 at 110C in the presence of a catalytic amount of copper powder along with NaO^tBu to give 1-aryl-1H-indazole derivatives in good yields.

Original language	English
Pages (from-to)	915-921
Number of pages	7
Journal	Synthetic Communications
Volume	43
Issue number	6
DOIs	https://doi.org/10.1080/00397911.2011.614714
State	Published - 2 Jan 2013

Keywords

1-Aryl-1 H-indazoles
arylhydrazones
C-N bond formation
copper powder

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10.1080/00397911.2011.614714

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title = "Copper powder-catalyzed C-N bond formation of arylhydrazones of 2-bromobenzaldehydes leading to 1-aryl-1 H-indazoles",

abstract = "Arylhydrazones of 2-bromobenzaldehydes and its analogs are cyclized in PEG-400 at 110C in the presence of a catalytic amount of copper powder along with NaOtBu to give 1-aryl-1H-indazole derivatives in good yields.",

keywords = "1-Aryl-1 H-indazoles, arylhydrazones, C-N bond formation, copper powder",

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AU - Lee, Hye Kyung

AU - Cho, Chan Sik

PY - 2013/1/2

Y1 - 2013/1/2

N2 - Arylhydrazones of 2-bromobenzaldehydes and its analogs are cyclized in PEG-400 at 110C in the presence of a catalytic amount of copper powder along with NaOtBu to give 1-aryl-1H-indazole derivatives in good yields.

AB - Arylhydrazones of 2-bromobenzaldehydes and its analogs are cyclized in PEG-400 at 110C in the presence of a catalytic amount of copper powder along with NaOtBu to give 1-aryl-1H-indazole derivatives in good yields.

KW - 1-Aryl-1 H-indazoles

KW - arylhydrazones

KW - C-N bond formation

KW - copper powder

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SP - 915

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JO - Synthetic Communications

JF - Synthetic Communications

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ER -

Copper powder-catalyzed C-N bond formation of arylhydrazones of 2-bromobenzaldehydes leading to 1-aryl-1 H-indazoles

Abstract

Keywords

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