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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 63, No. 11, 2004, pp.2605-2614
Published online, 17th September, 2004■ Tetrazolium N-Aminides
Published online, 17th September, 2004
DOI: 10.3987/COM-04-10192
■ Tetrazolium N-Aminides
Dietrich Moderhack* and Matthias Noreiks
*Institut für Pharmazeutische Chemie, Technische Universität, D-38106 Braunschweig, Germany
Abstract
Tetrazolium N-aminides (8-10), i.e. the first derivatives of the types (A-C; Z = NY), have been prepared via the tetrazolium salts (5-7) and fully characterized. The preferred geometries of 8c-10c have been determined by a Hartree-Fock and Density Functional Theory calculation [HF/6-31G(d), B3LYP/6-31G(d)].
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