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Zenichi Yoshida (1925-2023)
Zenichi Yoshida (1925-2023)
Professor. Zenichi Yoshida,
a member of the Honorary Advisors of HETEROCYCLES (1975-1998),
has passed away on May 4, 2023 at the age of 97.
I deeply express my regret over his death.
Kunio Ogasawara
Editor
May 11, 2023
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Paper | Regular issue | Vol 27, No. 7, 1988, pp.1719-1725
Published online, 1st January, 1970■ Hydroltsis of Ketol Trimethylenedithioacetals. Attempted Synthesis of Yashabushiketol
Published online, 1st January, 1970
DOI: 10.3987/COM-88-4584
■ Hydroltsis of Ketol Trimethylenedithioacetals. Attempted Synthesis of Yashabushiketol
Tse-Lok Ho,* Raymond J. Hill, and C. M. Wong
*Department of Chemistry, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
Abstract
ThaIlium(III) trifluroacetate has been shown to cleave dithianes which contan hydroxy functions that other reagents fail. Hydrolysis of a direct precursor of yashabushiketol led to tetrahydro-γ-pyrones. however.
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