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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 16, No. 11, 1981, pp.1889-1892
Published online, 1st January, 1970■ Novel Syntheses of Dihydrooxazines, Tetrahydropyrimidines and Tetrahydropyridines from Allenyl Nitriles
Published online, 1st January, 1970
DOI: 10.3987/R-1981-11-1889
■ Novel Syntheses of Dihydrooxazines, Tetrahydropyrimidines and Tetrahydropyridines from Allenyl Nitriles
Stephen R. Landor,* Phyllis D. Landor, Z. Tanee Fomum, and J. Tanyi Mbafor
*Department of Chemistry, Mona Campus, , University of the West Indies, Mona, Kingston 7, Jamaica
Abstract
α-Allenylnitriles give dihydrooxazines and tetrahydropyridines with 3-hydroxypropylamine whereas with 1,3-diaminopropane they afforded tetrahydropyrimidines.
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