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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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Communication | Regular issue | Vol 27, No. 6, 1988, pp.1305-1312
Published online, 1st January, 1970■ Secondary Metabolites from the Roots of Ligusticum porteri (Umbelliferae). X-Ray Structure of Z-6.6’,7.3a’-Diligustilide
Published online, 1st January, 1970
DOI: 10.3987/COM-87-4476
■ Secondary Metabolites from the Roots of Ligusticum porteri (Umbelliferae). X-Ray Structure of Z-6.6’,7.3a’-Diligustilide
Guillermo Delgado,* Rosa G. Reza-Garduño, Rubén A. Toscano, Robert Bye, and Edelmira Linares
*Facultad de Química, Universidad Nacional Autónama de México, Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, Mexico
Abstract
Z-Ligustilide (1), riligustilide (2), Z-6.6’,7.3a’-diligustilide (7), isovanillin and 4-hydroxy-3-methoxycinnamic acid, were isolated from the roots of Liqusticum porteri C. & R. (family Umbelliferae; common name: chuchupate), which are used in traditional medicine. The chemical characterization of 3,8-dihydro derivative of 7 (9),allowed the structural reassignment of a constituent previously isolated from L. wallichii.
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