HETEROCYCLES
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Obituary
Zenichi Yoshida (1925-2023)
Zenichi Yoshida (1925-2023)
Professor. Zenichi Yoshida,
a member of the Honorary Advisors of HETEROCYCLES (1975-1998),
has passed away on May 4, 2023 at the age of 97.
I deeply express my regret over his death.
Kunio Ogasawara
Editor
May 11, 2023
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Note | Regular issue | Vol 48, No. 1, 1998, pp.161-170
Published online, 1st January, 1970■ Cycloaddition Reactions of Azidomethyl Phosphonate with Acetylenes and Enamines. Synthesis of Triazoles
Published online, 1st January, 1970
DOI: 10.3987/COM-97-7997
■ Cycloaddition Reactions of Azidomethyl Phosphonate with Acetylenes and Enamines. Synthesis of Triazoles
Frédéric Louërat, Khalid Bougrin, André Loupy,*Ana Ma Ochoa de Retana, Jaione Pagalday, and Francisco Palacios*
*Departamento de Química Orgánica, Facultad de Farmacia, Universidad del País Vasco, Apartado 450, 01080 Vitoria-Gasteiz, Spain
Abstract
β-Functionalized alkyltriazoles can be efficiently prepared under solvent-free conditions, eventually by coupling with microwave activation. Cycloadditions of azides and poorly activated acetylenes or enamines are thus possible with interesting selectively in the latter case.
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