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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
Editor
May 11, 2023
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Paper | Regular issue | Vol 81, No. 4, 2010, pp.943-953
Published online, 19th February, 2010
Published online, 19th February, 2010
DOI: 10.3987/COM-09-11896
■ The Synthesis of Some Benzimidazolium Salts and Use as Carbene Precursors in the Heck and Suzuki Reactions
Beyhan Yiğit, Murat Yiğit,* İsmail Özdemir, and Engin Çetinkaya
*Department of Chemistry, Faculty of Arts and Sciences, Adıyaman University, 20240 Adıyaman , Turkey
Abstract
Novel 1-(2-diisopropylaminoethyl)-3-alkylbenzimidazolium salts as N-heterocyclic carbene precursors 2a-g were prepared by quarternazition of 1-(2-diisopropylaminoethyl)benzimidazoles in DMF with alkyl halides. The salts were characterized spectroscopically and in situ formed complexes from Pd(OAc)2 and 2 have been tested as catalyst in homogenous Heck and Suzuki reactions.
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