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Yoshito Kishi (1937-2023)
Yoshito Kishi (1937-2023)
Professor. Yoshito Kishi,
a member of the Honorary Editorial Associates of HETEROCYCLES,
has passed away on January 9, 2023 at the age of 85.
I deeply express my regret over his death.
Kunio Ogasawara
Editor
January 13, 2023
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Communication | Regular issue | Vol 24, No. 5, 1986, pp.1243-1246
Published online, 1st January, 1970■ Studies on as-Triazine Derivatives. VII. Resemblance between as-Triazines and Quinazolines in Nucleophilic Addition-elimination Reactions
Published online, 1st January, 1970
DOI: 10.3987/R-1986-05-1243
■ Studies on as-Triazine Derivatives. VII. Resemblance between as-Triazines and Quinazolines in Nucleophilic Addition-elimination Reactions
Shoetsu Konno, Setsuya Ohba, Mataichi Sagi, and Hiroshi Yamanaka*
*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan
Abstract
Alike 4-chloroquinazoline, 5-chloro-1,2,4-triazines (as-triazines) reacted with aromatic aldehydes in the presence of 1,3-dimethylbenzimidazolium iodide under basic conditions to give 5-aroyl-as-triazines. The Grignard reaction of 5-cyano-as-triazine with arylmagnesium bromides failed to give any significant product. Some analogy of as-triazines with quinazolines, in their chemical properties, was additionally investigated.
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