Carbocyclic carbene ligands derived from aromatic nitrones: Formation and catalytic activity of their Pd(II) complexes

Qingwei Yao; Mark Zabawa; Joyce Woo; Chong Zheng

doi:10.1021/ja0701659

Carbocyclic carbene ligands derived from aromatic nitrones: Formation and catalytic activity of their Pd(II) complexes

Qingwei Yao^*, Mark Zabawa, Joyce Woo, Chong Zheng

^*Corresponding author for this work

Pediatrics

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57 Scopus citations

Abstract

Nitrones derived from aromatic aldehydes were shown to be convenient precursors to a novel class of carbocyclic carbene ligands. Air- and moisture-stable palladium complexes derived from the carbocyclic carbene ligands exhibit unprecedented catalytic efficiency in the Heck reaction. Deactivated aryl bromides, such as 4-bromoanisole, undergo coupling with styrene in the presence of 8 × 10^-5 mol % of the catalysts with TON exceeding 0.9 million.

Original language	English (US)
Pages (from-to)	3088-3089
Number of pages	2
Journal	Journal of the American Chemical Society
Volume	129
Issue number	11
DOIs	https://doi.org/10.1021/ja0701659
State	Published - Mar 21 2007

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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abstract = "Nitrones derived from aromatic aldehydes were shown to be convenient precursors to a novel class of carbocyclic carbene ligands. Air- and moisture-stable palladium complexes derived from the carbocyclic carbene ligands exhibit unprecedented catalytic efficiency in the Heck reaction. Deactivated aryl bromides, such as 4-bromoanisole, undergo coupling with styrene in the presence of 8 × 10-5 mol % of the catalysts with TON exceeding 0.9 million.",

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T2 - Formation and catalytic activity of their Pd(II) complexes

AU - Yao, Qingwei

AU - Zabawa, Mark

AU - Woo, Joyce

AU - Zheng, Chong

PY - 2007/3/21

Y1 - 2007/3/21

N2 - Nitrones derived from aromatic aldehydes were shown to be convenient precursors to a novel class of carbocyclic carbene ligands. Air- and moisture-stable palladium complexes derived from the carbocyclic carbene ligands exhibit unprecedented catalytic efficiency in the Heck reaction. Deactivated aryl bromides, such as 4-bromoanisole, undergo coupling with styrene in the presence of 8 × 10-5 mol % of the catalysts with TON exceeding 0.9 million.

AB - Nitrones derived from aromatic aldehydes were shown to be convenient precursors to a novel class of carbocyclic carbene ligands. Air- and moisture-stable palladium complexes derived from the carbocyclic carbene ligands exhibit unprecedented catalytic efficiency in the Heck reaction. Deactivated aryl bromides, such as 4-bromoanisole, undergo coupling with styrene in the presence of 8 × 10-5 mol % of the catalysts with TON exceeding 0.9 million.

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Carbocyclic carbene ligands derived from aromatic nitrones: Formation and catalytic activity of their Pd(II) complexes

Abstract

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