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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 31, No. 11, 1990, pp.1933-1935
Published online, 1st January, 1970■ Studies on as-Triazine Derivatives. XVII. Chlorination of 5,6-Dimethyl-3-phenyl-as-triazine
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5585
■ Studies on as-Triazine Derivatives. XVII. Chlorination of 5,6-Dimethyl-3-phenyl-as-triazine
Shoetsu Konno, Mataichi Sagi, Masaaki Yokoyama, and Hiroshi Yamanaka*
*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan
Abstract
Homolytic chlorination of 5,6-dimethyl-as-triazine (1) with Cl2 gave 6-dichloromethyl-5-trichloromethyl-as-triazine (2) selectively. Structural determination of 2 by chemical method and synthesis of 5-amino-6-formyl-as-triazine derivatives are described.
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