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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
Editor
January 13, 2023
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Paper | Regular issue | Vol 26, No. 9, 1987, pp.2371-2379
Published online, 1st January, 1970■ N-Halosuccinimide-sulfuric Acid: An Efficient Reagent for the Synthesis of Fused Benzothiazoles
Published online, 1st January, 1970
DOI: 10.3987/R-1987-09-2371
■ N-Halosuccinimide-sulfuric Acid: An Efficient Reagent for the Synthesis of Fused Benzothiazoles
Javier Garín, Carmen Guillén, Enrique Meléndez, Francisco L. Merchán, Jesús Orduna, and Tomás Tejero
*Department of Organic Chemistry, Instituto de Ciencias de Materiales de Aragón, University of Zaragoza, 50009-Zaragoza, Spain
Abstract
A new version of Hugershoff’s synthesis is reported. The cyclizing agent, N-halosuccinimide/sulfuric acid permits the preparation of complex fused benzothiazoles in very good yields.
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