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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 14, No. 4, 1980, pp.419-422
Published online, 1st January, 1970■ Facile Formation of the Basic Skeletons of Naturally Occurring Terpenoidal Lactones
Published online, 1st January, 1970
DOI: 10.3987/R-1980-04-0419
■ Facile Formation of the Basic Skeletons of Naturally Occurring Terpenoidal Lactones
Tetsuji Kametani,* Toshio Honda, and Keiichiro Fukumoto
*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan
Abstract
Three lactones which should be important intermediates in the synthesis of the corresponding natural terpenoidal lactones have been synthesized via thermolysis of benzocyclobutenes. Heating the benzocyclobutenes (7), (8) and (13) afforded the cyclized products (9), (10) and (14) respectively, in reasonable yields.
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