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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 75, No. 8, 2008, pp.1953-1961
Published online, 11th April, 2008■ Synthesis of New Thiazolo[3,2-a]pyrimidin-5-one Derivatives in Reaction of 3-Allyl-2-thiouracils Cyclization
Published online, 11th April, 2008
DOI: 10.3987/COM-08-11365
■ Synthesis of New Thiazolo[3,2-a]pyrimidin-5-one Derivatives in Reaction of 3-Allyl-2-thiouracils Cyclization
Renata Studzinska, Marcin Wróblewski, and Marcin Draminski*
*Department of General Chemistry, Nicolaus Copernicus University in Torun, Collegium Medicum in Bydgoszcz, ul. Debowa 3, 85-626 Bydgoszcz, Poland
Abstract
The series of thiazolo[3,2-a]pyrimidin-5-one derivatives in cyclization reaction of 3-allyl-2-thiouracil derivatives with iodine monochloride, and then hydrogen iodide elimination from intermediate reaction product has been obtained. On the basis of the studies of reaction kinetics, the elimination reaction mechanism has been proposed. Moreover, the influence of substituent on the reaction elimination rate has been investigated.
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