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  1. Artikel: Iridium(III)-Catalyzed B(4)-Acylmethylation and B(3,5)-Diacylmethylation from o-Carboranes and Sulfoxonium Ylides

    Ko, Gi Hoon / Um, Kyusik / Noh, Hee Chan / Kim, Jin Young / Jeong, Haneal / Maeng, Chanyoung / Han, Sang Hoon / Han, Gi Uk / Lee, Phil Ho

    Organic letters. 2022 Feb. 17, v. 24, no. 8

    2022  

    Abstract: An iridium(III)-catalyzed regioselective acylmethylation of the cage B(4)–H bond in o-carborane acids with sulfoxonium ylides is demonstrated through B(4)–H activation in ethanol under very mild conditions, affording a number of B(4)-acylmethylated o- ... ...

    Abstract An iridium(III)-catalyzed regioselective acylmethylation of the cage B(4)–H bond in o-carborane acids with sulfoxonium ylides is demonstrated through B(4)–H activation in ethanol under very mild conditions, affording a number of B(4)-acylmethylated o-carboranes. Additionally, the selective sequential B(4)- and B(6)-acylmethylation reactions finally gave B(3,5)-diacylmethylated o-carboranes in one pot.
    Schlagwörter ethanol ; iridium ; regioselectivity
    Sprache Englisch
    Erscheinungsverlauf 2022-0217
    Umfang p. 1604-1609.
    Erscheinungsort American Chemical Society
    Dokumenttyp Artikel
    ISSN 1523-7052
    DOI 10.1021/acs.orglett.2c00103
    Datenquelle NAL Katalog (AGRICOLA)

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  2. Artikel ; Online: Iridium(III)-Catalyzed Sequential C(2)-Arylation and Intramolecular C-O Bond Formation from Azulenecarboxylic Acids and Diaryliodonium Salts Access to Azulenofuranones.

    Maeng, Chanyoung / Seo, Hyung Jin / Jeong, Haneal / Lee, Kyungsup / Noh, Hee Chan / Lee, Phil Ho

    Organic letters

    2020  Band 22, Heft 18, Seite(n) 7267–7272

    Abstract: Described herein is the iridium-catalyzed sequential C(2)-arylation reaction and intramolecular C-O bond formation from azulenecarboxylic acids and diaryliodonium salts, leading to the formation of 3-arylazulenofuranones. The sequential reaction ... ...

    Abstract Described herein is the iridium-catalyzed sequential C(2)-arylation reaction and intramolecular C-O bond formation from azulenecarboxylic acids and diaryliodonium salts, leading to the formation of 3-arylazulenofuranones. The sequential reaction proceeded smoothly through generation of 2-arylazulene-1-carboxylic acids derived from the iridium-catalyzed regioselective C(2)-arylation reaction without the decarboxylation reaction.
    Sprache Englisch
    Erscheinungsdatum 2020-09-02
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ISSN 1523-7052
    ISSN (online) 1523-7052
    DOI 10.1021/acs.orglett.0c02607
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel: Iridium(III)-Catalyzed Sequential C(2)-Arylation and Intramolecular C–O Bond Formation from Azulenecarboxylic Acids and Diaryliodonium Salts Access to Azulenofuranones

    Maeng, Chanyoung / Seo, Hyung Jin / Jeong, Haneal / Lee, Kyungsup / Noh, Hee Chan / Lee, Phil Ho

    Organic letters. 2020 Sept. 02, v. 22, no. 18

    2020  

    Abstract: Described herein is the iridium-catalyzed sequential C(2)-arylation reaction and intramolecular C–O bond formation from azulenecarboxylic acids and diaryliodonium salts, leading to the formation of 3-arylazulenofuranones. The sequential reaction ... ...

    Abstract Described herein is the iridium-catalyzed sequential C(2)-arylation reaction and intramolecular C–O bond formation from azulenecarboxylic acids and diaryliodonium salts, leading to the formation of 3-arylazulenofuranones. The sequential reaction proceeded smoothly through generation of 2-arylazulene-1-carboxylic acids derived from the iridium-catalyzed regioselective C(2)-arylation reaction without the decarboxylation reaction.
    Schlagwörter decarboxylation ; iridium ; regioselectivity
    Sprache Englisch
    Erscheinungsverlauf 2020-0902
    Umfang p. 7267-7272.
    Erscheinungsort American Chemical Society
    Dokumenttyp Artikel
    Anmerkung NAL-AP-2-clean
    ISSN 1523-7052
    DOI 10.1021/acs.orglett.0c02607
    Datenquelle NAL Katalog (AGRICOLA)

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  4. Artikel ; Online: Rhodium(III)-Catalyzed Sequential C-H Activation and Cyclization from N-Methoxyarylamides and 3-Diazooxindoles for the Synthesis of Isochromenoindolones.

    Ko, Gi Hoon / Maeng, Chanyoung / Jeong, Haneal / Han, Sang Hoon / Han, Gi Uk / Lee, Kyungsup / Noh, Hee Chan / Lee, Phil Ho

    Chemistry, an Asian journal

    2021  Band 16, Heft 20, Seite(n) 3179–3187

    Abstract: An efficient synthetic method for structurally various isochromenoindolones has been demonstrated through Rh(III)-catalyzed C-H activation followed by a cyclization reaction of N-methoxyarylamides with 3-diazooxindoles. The sequential reaction involves ... ...

    Abstract An efficient synthetic method for structurally various isochromenoindolones has been demonstrated through Rh(III)-catalyzed C-H activation followed by a cyclization reaction of N-methoxyarylamides with 3-diazooxindoles. The sequential reaction involves the streamlined formation of C-C and C-O bonds in one pot. The present method provides a broad range of isochromenoindolones as a new privileged scaffold in moderate to good yields with the release of methoxyamine and molecular nitrogen and has the benefits of a broad substrate scope and good functional group tolerance.
    Sprache Englisch
    Erscheinungsdatum 2021-08-31
    Erscheinungsland Germany
    Dokumenttyp Journal Article
    ZDB-ID 2233006-9
    ISSN 1861-471X ; 1861-4728
    ISSN (online) 1861-471X
    ISSN 1861-4728
    DOI 10.1002/asia.202100797
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  5. Artikel ; Online: Iridium(III)-Catalyzed B(4)-Acylmethylation and B(3,5)-Diacylmethylation from

    Ko, Gi Hoon / Um, Kyusik / Noh, Hee Chan / Kim, Jin Young / Jeong, Haneal / Maeng, Chanyoung / Han, Sang Hoon / Han, Gi Uk / Lee, Phil Ho

    Organic letters

    2022  Band 24, Heft 8, Seite(n) 1604–1609

    Abstract: An iridium(III)-catalyzed regioselective acylmethylation of the cage B(4)-H bond ... ...

    Abstract An iridium(III)-catalyzed regioselective acylmethylation of the cage B(4)-H bond in
    Sprache Englisch
    Erscheinungsdatum 2022-02-17
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ISSN 1523-7052
    ISSN (online) 1523-7052
    DOI 10.1021/acs.orglett.2c00103
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

    Zusatzmaterialien

    Kategorien

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