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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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Report | Regular issue | Vol 14, No. 3, 1980, pp.315-320
Published online, 1st January, 1970■ Synthesis of Bicyclic Intermediates for Diterpenoid Alkaloids
Published online, 1st January, 1970
DOI: 10.3987/R-1980-03-0315
■ Synthesis of Bicyclic Intermediates for Diterpenoid Alkaloids
Ajoy K. Banerjee,* Pedro C. Caraballo, Héctor E. Hurtado, and María C. Carrasco
*Centro de Química, Instituto Venezolano de Investigaciones Científicas, I.V.I.C., Apartado 21827, Caracas 1020-A, Venezuela
Abstract
Synthesis of ester 9 from olefin 1 is described. Transformation of 9 to lactams 20 and 21 has been realized.
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