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Obituary
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. 8, 1986, pp.2111-2115
Published online, 1st January, 1970■ Effects of Hetero Atom Substituents in the Decomposition of Pyrazolines: Abnormal Behavior of Methoxy Group Compared with Arylthio or Arylseleno Group
Published online, 1st January, 1970
DOI: 10.3987/R-1986-08-2111
■ Effects of Hetero Atom Substituents in the Decomposition of Pyrazolines: Abnormal Behavior of Methoxy Group Compared with Arylthio or Arylseleno Group
Masashi Hamaguchi,* Toshiya Furusawa, and Toshikazu Nagai
*Institute of Chemistry, College of General Educatin, Osaka University, Toyonaka, Osaka 560-8531, Japan
Abstract
Quantitative hydrogen migration was observed on the thermal decomposition of 4-methoxy-substituted pyrazolines with two electron-withdrawing groups at C(3) except some trans-5-alkyl-4-methoxypyrazolines accompanied with methoxy migration.
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