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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Note | Regular issue | Vol 71, No. 8, 2007, pp.1815-1819
Published online, 15th May, 2007■ One-Pot Conversion of N-Arylglycines to Sydnones Efficiently Promoted by Bis-chlorine-1,4-diazabicyclo[2.2.2]octane Complex (Cl2-DABCO) in the Presence of NaNO2/Ac2O under Neutral Conditions
Published online, 15th May, 2007
DOI: 10.3987/COM-07-11033
■ One-Pot Conversion of N-Arylglycines to Sydnones Efficiently Promoted by Bis-chlorine-1,4-diazabicyclo[2.2.2]octane Complex (Cl2-DABCO) in the Presence of NaNO2/Ac2O under Neutral Conditions
Davood Azarifar,* Hassan Ghasemnejad-Bosra, Mahmood Tajbaksh, and Setareh Habibzadeh
*Department of Chemistry, School of Science, Bu-Ali Sina University, Mehdieh St., Hamadan 65174, Iran
Abstract
Bis-chlorine-1,4-diazabicyclo[2.2.2]octane complex, (Cl2-DABCO), has been found as an active chlorine complex for effective one-pot conversion of various N-arylglycines to sydnones in high yields (85-95%) under mild and neutral condition.
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