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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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Report | Regular issue | Vol 22, No. 8, 1984, pp.1763-1769
Published online, 1st January, 1970■ Photochemical Wolff Rearrangement of 5-Diazo-6-phenyluracil in Neutral Solutions. The Synthesis of Alkyl 5-Phenyl-2-oxo-4-imidazoline-4-carboxylic Acid Derivatives
Published online, 1st January, 1970
DOI: 10.3987/R-1984-08-1763
■ Photochemical Wolff Rearrangement of 5-Diazo-6-phenyluracil in Neutral Solutions. The Synthesis of Alkyl 5-Phenyl-2-oxo-4-imidazoline-4-carboxylic Acid Derivatives
Wilhelm Klötzer,* Gerhard Dörler, Branko Stanovnik, and Miha Tisler
*Department of Chemistry, E. Kardelj University, Murnikova 6, 61000 Ljubljana, Slovenia
Abstract
A photochemical Wolff rearrangement of 5-diazo-6-phenyluracil (6), the compound which does not form the corresponding hydrate or alcohol adducts, into alkyl 5-phenyl-2-oxo-4-imidazoline-4-carboxylic acid derivatives 8a-h in neutral solutions is described.
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