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Synthesis of Dibenzotropones by Alkyne-Carbonyl Metathesis.
Sobhani, Maryam; Frey, Anna; Rettmann, Andre; Thom, Richard; Villinger, Alexander; Ehlers, Peter; Langer, Peter.
Afiliação
  • Sobhani M; Universität Rostock, Institut für Chemie, A.-Einstein-Str.3a, 18059 Rostock, Germany.
  • Frey A; Universität Rostock, Institut für Chemie, A.-Einstein-Str.3a, 18059 Rostock, Germany.
  • Rettmann A; Universität Rostock, Institut für Chemie, A.-Einstein-Str.3a, 18059 Rostock, Germany.
  • Thom R; Universität Rostock, Institut für Chemie, A.-Einstein-Str.3a, 18059 Rostock, Germany.
  • Villinger A; Universität Rostock, Institut für Chemie, A.-Einstein-Str.3a, 18059 Rostock, Germany.
  • Ehlers P; Universität Rostock, Institut für Chemie, A.-Einstein-Str.3a, 18059 Rostock, Germany.
  • Langer P; Leibniz Institut für Katalyse an der Universität Rostock, A.-Einstein-Str.29a, 18059 Rostock, Germany.
J Org Chem ; 86(21): 14420-14432, 2021 11 05.
Article em En | MEDLINE | ID: mdl-34708654
ABSTRACT
Dibenzocycloheptanones (dibenzotropones) were prepared by Brønsted acid mediated intramolecular alkyne-carbonyl metathesis (ACM) reactions. The cyclization precursors are readily available by Sonogashira reaction of 2-bromobenzoyl chloride with terminal alkynes, followed by Suzuki reactions with benzaldehydes. The ACM reactions are highly modular and atom economic and allow for the construction of two regioisomeric series of dibenzotropones.
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Benzaldeídos / Alcinos Idioma: En Ano de publicação: 2021 Tipo de documento: Article
Texto completo
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PubMed Links
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Benzaldeídos / Alcinos Idioma: En Ano de publicação: 2021 Tipo de documento: Article