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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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Paper | Regular issue | Vol 26, No. 9, 1987, pp.2449-2454
Published online, 1st January, 1970■ Ethylation of Pyrazines Using Alkylmetals, Such as Triethylaluminum, Diethylzinc, and Triethylborane
Published online, 1st January, 1970
DOI: 10.3987/R-1987-09-2449
■ Ethylation of Pyrazines Using Alkylmetals, Such as Triethylaluminum, Diethylzinc, and Triethylborane
Akihiro Ohta, Masakatsu Ohta, Yohsiaki Igarashi, Kaemi Saeki, Kayo Yuasa, and Tomoko Mori
*Tokyo University of Pharmacy and Life Science, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
Abstract
Triethylaluminum, diethylzinc and triethylborane were used for the ethylation of pyrazines. Among these reagents, triethylborane gave the best results.
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