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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
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May 11, 2023
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Paper | Special issue | Vol 50, No. 2, 1999, pp.731-738
Published online, 1st January, 1970■ A Radical Route to Morphans. Synthesis and Spectroscopic Data of the 2-Azabicyclo-[3.3.1]nonane
Published online, 1st January, 1970
DOI: 10.3987/COM-98-S(H)69
■ A Radical Route to Morphans. Synthesis and Spectroscopic Data of the 2-Azabicyclo-[3.3.1]nonane
Josefina Quirante, Carmen Escolano, Faïza Diaba, and Josep Bonjoch*
*Laboratory of Organic Chemistry, Faculty of Pharmacy, University of Barcelona, Av. de Joan XXIII, s/n, 08028 Barcelona, Spain
Abstract
The synthesis of 1-benzyl-2-azabicyclo[3.3.1]nonan-3-one (8) through radical cyclization, involving an intramolecular addition of a carbamoyl-dichlomethyl radical upon an alkene, is described. Conversion of 8 to the morphan itself, and the spectroscopic analysis of some derivatives of this series are reported.
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