Articles with "carbonyl olefin" as a keyword



Toward Homogeneous Brønsted-Acid-Catalyzed Intramolecular Carbonyl-Olefin Metathesis Reactions.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c03099

Abstract: The carbonyl-olefin metathesis (COM) reaction is an attractive approach for the formation of a new carbon-carbon double bond from a carbonyl precursor. In principle, this reaction can be promoted by the activation of the carbonyl… read more here.

Keywords: homogeneous nsted; olefin metathesis; carbonyl; carbonyl olefin ... See more keywords
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Synthesis of Medium-Sized Carbocycles by Gallium-Catalyzed Tandem Carbonyl-Olefin Metathesis/Transfer Hydrogenation.

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Published in 2019 at "Organic letters"

DOI: 10.1021/acs.orglett.9b03240

Abstract: The first examples of a catalytic tandem process involving a ring-closing carbonyl-olefin metathesis and a transfer hydrogenation are described. 1,4-Cyclohexadiene has been used as an H2 surrogate to reduce the cyclic alkenes formed after the… read more here.

Keywords: olefin metathesis; transfer hydrogenation; carbonyl olefin; metathesis transfer ... See more keywords
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Ring-Opening Carbonyl-Olefin Metathesis of Cyclobutenes.

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Published in 2022 at "ACS catalysis"

DOI: 10.1021/acscatal.2c01188

Abstract: The ring-opening carbonyl-olefin metathesis of cyclobutenes to furnish γ,δ-unsaturated aldehydes-formal Claisen rearrangement products-is reported. The bistrifluoroacetic acid salt of 2,3-diazabicyclo[2.2.2]octane promotes these reactions efficiently with a variety of cyclobutenes and aldehydes, including aliphatic, α,β-unsaturated, aryl,… read more here.

Keywords: olefin metathesis; carbonyl olefin; metathesis cyclobutenes; ring opening ... See more keywords
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3-Aryl-2,5-Dihydropyrroles via Catalytic Carbonyl-Olefin Metathesis.

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Published in 2018 at "ACS catalysis"

DOI: 10.1021/acscatal.7b03769

Abstract: Herein, we describe the development of a synthetic strategy towards chiral 3-pyrrolines based on the design principle of iron(III)-catalyzed carbonyl-olefin metathesis. This approach takes advantage of commercially available amino acids as chiral pool reagents and… read more here.

Keywords: dihydropyrroles via; via catalytic; carbonyl olefin; aryl dihydropyrroles ... See more keywords
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Polycyclic Aromatic Hydrocarbons via Iron(III)-Catalyzed Carbonyl-Olefin Metathesis.

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Published in 2017 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.7b01114

Abstract: Polycyclic aromatic hydrocarbons are important structural motifs in organic chemistry, pharmaceutical chemistry, and materials science. The development of a new synthetic strategy toward these compounds is described based on the design principle of iron(III)-catalyzed carbonyl-olefin… read more here.

Keywords: carbonyl olefin; chemistry; aromatic hydrocarbons; polycyclic aromatic ... See more keywords
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Iron-Catalyzed Carbonyl–Alkyne and Carbonyl–Olefin Metathesis Reactions

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Published in 2020 at "Catalysts"

DOI: 10.3390/catal10091092

Abstract: Construction of carbon–carbon bonds is one of the most important tools for the synthesis of complex organic molecules. Among multiple possibilities are the carbonyl–alkyne and carbonyl–olefin metathesis reactions, which are used to form new carbon–carbon… read more here.

Keywords: carbonyl alkyne; alkyne carbonyl; olefin metathesis; carbonyl olefin ... See more keywords