An efficient palladium-benzimidazolyl phosphine complex for the Suzuki-Miyaura coupling of aryl mesylates: Facile ligand synthesis and metal complex characterization

Kin Ho Chung; Chau Ming So; Shun Man Wong; Chi Him Luk; Zhongyuan Zhou; Chak Po Lau; Fuk Yee Kwong

doi:10.1039/c2cc15972d

An efficient palladium-benzimidazolyl phosphine complex for the Suzuki-Miyaura coupling of aryl mesylates: Facile ligand synthesis and metal complex characterization

Kin Ho Chung, Chau Ming So, Shun Man Wong, Chi Him Luk, Zhongyuan Zhou, Chak Po Lau, Fuk Yee Kwong

Research output: Journal article publication › Journal article › Academic research › peer-review

79 Citations (Scopus)

Abstract

A new class of easily accessible hemilabile benzimidazolyl phosphine ligands has been developed. The ligand skeleton is prepared from commercially available and inexpensive o-phenylenediamine and 2-bromobenzoic acid. With catalyst loading down to 0.5 mol% palladium, excellent catalytic activity towards the Suzuki-Miyaura coupling of aryl mesylates is still observed. This represents the lowest catalyst loading achieved so far for this reaction in general. X-Ray crystallography shows that new ligand L2 is coordinated with Pd in a κ2-P,N fashion.

Original language	English
Pages (from-to)	1967-1969
Number of pages	3
Journal	Chemical Communications
Volume	48
Issue number	14
DOIs	https://doi.org/10.1039/c2cc15972d
Publication status	Published - 14 Feb 2012

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
General Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1039/c2cc15972d

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title = "An efficient palladium-benzimidazolyl phosphine complex for the Suzuki-Miyaura coupling of aryl mesylates: Facile ligand synthesis and metal complex characterization",

abstract = "A new class of easily accessible hemilabile benzimidazolyl phosphine ligands has been developed. The ligand skeleton is prepared from commercially available and inexpensive o-phenylenediamine and 2-bromobenzoic acid. With catalyst loading down to 0.5 mol\% palladium, excellent catalytic activity towards the Suzuki-Miyaura coupling of aryl mesylates is still observed. This represents the lowest catalyst loading achieved so far for this reaction in general. X-Ray crystallography shows that new ligand L2 is coordinated with Pd in a κ2-P,N fashion.",

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An efficient palladium-benzimidazolyl phosphine complex for the Suzuki-Miyaura coupling of aryl mesylates: Facile ligand synthesis and metal complex characterization. / Chung, Kin Ho; So, Chau Ming; Wong, Shun Man et al.
In: Chemical Communications, Vol. 48, No. 14, 14.02.2012, p. 1967-1969.

Research output: Journal article publication › Journal article › Academic research › peer-review

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AU - Chung, Kin Ho

AU - So, Chau Ming

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AU - Luk, Chi Him

AU - Zhou, Zhongyuan

AU - Lau, Chak Po

AU - Kwong, Fuk Yee

PY - 2012/2/14

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AB - A new class of easily accessible hemilabile benzimidazolyl phosphine ligands has been developed. The ligand skeleton is prepared from commercially available and inexpensive o-phenylenediamine and 2-bromobenzoic acid. With catalyst loading down to 0.5 mol% palladium, excellent catalytic activity towards the Suzuki-Miyaura coupling of aryl mesylates is still observed. This represents the lowest catalyst loading achieved so far for this reaction in general. X-Ray crystallography shows that new ligand L2 is coordinated with Pd in a κ2-P,N fashion.

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DO - 10.1039/c2cc15972d

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VL - 48

SP - 1967

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JO - Chemical Communications

JF - Chemical Communications

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An efficient palladium-benzimidazolyl phosphine complex for the Suzuki-Miyaura coupling of aryl mesylates: Facile ligand synthesis and metal complex characterization

Abstract

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