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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
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January 13, 2023
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Report | Regular issue | Vol 22, No. 2, 1984, pp.299-301
Published online, 1st January, 1970■ Synthesis of 9H-Pyrrolo[1,2-a]-1,4-diazaindol-9-one
Published online, 1st January, 1970
DOI: 10.3987/R-1984-02-0299
■ Synthesis of 9H-Pyrrolo[1,2-a]-1,4-diazaindol-9-one
Daniel Ladurée, Hussein El Kashef, and Max Robba*
*Laboratoire de Chimie Thérapeutique, U. F. R. des Sciences Pharmaceutiques, Université de Caen, 1, rue Vaubénard, 14032 Caen Cedex, France
Abstract
The synthesis of 9H-pyrrolo[1,2-a]-1,4-diazaindol-9-one was achieved either by an intramolecular electrophilic substitution of 2-chlorocarbonyl-3-N-pyrrolopyrazine 7 and 2-N-pyrrolidinocarbonyl-3-N-pyrrolopyrazine 8 or by the intramolecular nucleophilic substitution of 2-chloro-3-(2-pyrrolyl)pyrazine 12.
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