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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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Paper | Regular issue | Vol 41, No. 10, 1995, pp.2245-2250
Published online, 1st January, 1970■ Garcinianin, a Novel Biflavonoid from the Roots of Garcinia kola
Published online, 1st January, 1970
DOI: 10.3987/COM-95-7157
■ Garcinianin, a Novel Biflavonoid from the Roots of Garcinia kola
Kenji Terashima, Muhd Aqil, and Masatake Niwa*
*Faculty of Pharmacy, Meijo University, Tempaku, Nagoya 468, Japan
Abstract
A novel biflavonoid named garcinianin was isolated from the roots of Garcinia kola (Guttiferae) and the structure was characterized as a C-3/C-8"-naringenin/kaempferol dimer by spectroscopic methods. Garcinianin is present as a mixture of two atropisomers (relative ratio; 1:1.2) at 25 °C. Garcinianin is the first example of a flavanone-flavonol biflavonoid.
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