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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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Note | Regular issue | Vol 48, No. 3, 1998, pp.549-553
Published online, 1st January, 1970■ Three New Coumarins from Clausena excavata
Published online, 1st January, 1970
DOI: 10.3987/COM-97-8079
■ Three New Coumarins from Clausena excavata
Keiko Nakamura, Yuko Takemura, Motoharu Ju-ichi,* Chihiro Ito, and Hiroshi Furukawa
*Faculty of Pharmaceutical Science, Mukogawa-Women's University, 11-68 Koushien Kyuban-Cho, Nishinomiya, Hyogo 663-8179, Japan
Abstract
Three new lactone coumarines named clauslactone-K (1), -L (3) and -M (4) were isolated from the twigs and leaves of Clausena excavata, collected in Sumatra, Indonesia and their structures were elucidated by spectroscopic analysis.
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