Intramolecular Huisgen-type cyclization of platinum-bound pyrylium ions with alkenes and subsequent insertion into a benzylic C-H bond

Chang Ho Oh; Ji Ho Lee; Su Jin Lee; Jae Il Kim; Chang Seop Hong

doi:10.1002/anie.200802425

Intramolecular Huisgen-type cyclization of platinum-bound pyrylium ions with alkenes and subsequent insertion into a benzylic C-H bond

Chang Ho Oh, Ji Ho Lee, Su Jin Lee, Jae Il Kim, Chang Seop Hong

Department of Chemistry

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

83 Citations (Scopus)

Abstract

Access granted: The platinum-catalyzed cyclization of enynals 1, which contain an additional alkene bond in their side chain, through a [3+2] cycloaddition to give tetracyclic platinum-carbene complexes A was followed by C-H insertion at the δ position to afford highly complex products 2. These polycyclic compounds and related products of the title transformation are extremely difficult to access by other means. (Chemical Equation Presented).

Original language	English
Pages (from-to)	7505-7507
Number of pages	3
Journal	Angewandte Chemie - International Edition
Volume	47
Issue number	39
DOIs	https://doi.org/10.1002/anie.200802425
Publication status	Published - 2008 Sept 15

Keywords

Cyclization
Homogeneous catalysis
Insertion
Platinum
Pyrylium ions

ASJC Scopus subject areas

Catalysis
Chemistry(all)

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10.1002/anie.200802425

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keywords = "Cyclization, Homogeneous catalysis, Insertion, Platinum, Pyrylium ions",

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AU - Oh, Chang Ho

AU - Lee, Ji Ho

AU - Lee, Su Jin

AU - Kim, Jae Il

AU - Hong, Chang Seop

PY - 2008/9/15

Y1 - 2008/9/15

N2 - Access granted: The platinum-catalyzed cyclization of enynals 1, which contain an additional alkene bond in their side chain, through a [3+2] cycloaddition to give tetracyclic platinum-carbene complexes A was followed by C-H insertion at the δ position to afford highly complex products 2. These polycyclic compounds and related products of the title transformation are extremely difficult to access by other means. (Chemical Equation Presented).

AB - Access granted: The platinum-catalyzed cyclization of enynals 1, which contain an additional alkene bond in their side chain, through a [3+2] cycloaddition to give tetracyclic platinum-carbene complexes A was followed by C-H insertion at the δ position to afford highly complex products 2. These polycyclic compounds and related products of the title transformation are extremely difficult to access by other means. (Chemical Equation Presented).

KW - Cyclization

KW - Homogeneous catalysis

KW - Insertion

KW - Platinum

KW - Pyrylium ions

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JO - Angewandte Chemie - International Edition

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IS - 39

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Intramolecular Huisgen-type cyclization of platinum-bound pyrylium ions with alkenes and subsequent insertion into a benzylic C-H bond

Abstract

Keywords

ASJC Scopus subject areas

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