HETEROCYCLES
An International Journal for Reviews and Communications in Heterocyclic ChemistryWeb Edition ISSN: 1881-0942
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Obituary
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
Editor
May 11, 2023
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e-Journal
Abstract
1 data found. 1 - 1 listed
Short Paper | Special issue | Vol 88, No. 1, 2014, pp. 639 - 650
Published online: 1st July, 2013
Full Text HTMLPDF (684KB)PDF with Links (1.1MB)
Published online: 1st July, 2013
DOI: 10.3987/COM-13-S(S)18
■ Expedient Synthesis of 2-Oxopiperazines Using a SN2 / Cope-Type Hydroamination Sequence
Nicolas Das Neves, Michaël Raymond, and André M. Beauchemin*
*Department of Chemistry, University of Ottawa, Ottawa Ontario, K1N 6N5, Canada
Abstract
An approach for the synthesis of 2-oxopiperazines from allylic 2-iodoacetamides and aqueous NH2OH has been developed. The reaction proceeds through a SN2 / intramolecular Cope-type hydroamination sequence yielding in 2-oxopiperazines with moderate to good yield.
1 data found. 1 - 1 listed
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