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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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Report | Regular issue | Vol 14, No. 5, 1980, pp.651-652
Published online, 1st January, 1970■ New Condensed Triheterocyclic Systems; Pyrrolothienopyrazines
Published online, 1st January, 1970
DOI: 10.3987/R-1980-05-0651
■ New Condensed Triheterocyclic Systems; Pyrrolothienopyrazines
Sylvain Rault, Michel Cugnon de Sévricourt, and Max Robba*
*Laboratoire de Chimie Thérapeutique, U. F. R. des Sciences Pharmaceutiques, Université de Caen, 1, rue Vaubénard, 14032 Caen Cedex, France
Abstract
Cyclization of the azide derivatives of 2 (3)-(1-pyrrolyl)-3-(2)-thienylcarboxylic acids resulted in the formation of the 4,5-dihydropyrrolo[1,2-a]thieno[3,2-e]pyrazin-5-one and the 4,5-dihydropyrrolo[1,2-a]thieno[2,3-e]pyrazin-5-one.
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