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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 36, No. 4, 1993, pp.717-723
Published online, 1st January, 1970■ Alkaloidal Constituents of the Bark of Holarrhena antidysenterica
Published online, 1st January, 1970
DOI: 10.3987/COM-92-6212
■ Alkaloidal Constituents of the Bark of Holarrhena antidysenterica
Sabira Begum, Shahid Bader Usmani, Bina Shaheen Siddiqui,* and Salimuzzaman Siddiqui
*H. E. J. Postgraduate Institute of Chemistry, University of Karachi, Karachi-75270, Pakistan
Abstract
Three steroidal alkaloids (1-3) of conanine series have been isolated from the bark of H. antidysenterica. 1 and 2 are new natural products while 3 has been reported earlier from this source.
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