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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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Short Paper | Regular issue | Vol 91, No. 8, 2015, pp.1645-1653
Published online, 15th July, 2015
Published online, 15th July, 2015
DOI: 10.3987/COM-15-13254
■ Simple and Efficient Synthesis of Some Novel Triazoles Sulfonamides
Maha Hachicha, Monaem Balti,* Hédi Mrabet, and Mohamed Lotfi El Efrit
*Department of Chemistry, Faculty of Sciences of Tunis-Tunisia, El Manar-B.P. 94 Poste Romena, 1068, Tunisia
Abstract
Reaction of iminoesters 1 with sulfonyl isocyanates gave the corresponding sulphonamide imidates 2. The cyclocondensation of the latter with a series of hydrazine in methanol affords new functionalized triazoles in high yields.
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