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Synthesis of New C2-Symmetric Chiral Benzimidazole Derivatives Having Norbornene/Dibenzobarrelene Skeletons

[ Vol. 17 , Issue. 10 ]

Author(s):

İrfan Çapan and Süleyman Servi*   Pages 801 - 805 ( 5 )

Abstract:


Racemic dicarboxylic acids were synthesized from the Diels-Alder cycloaddition reactions which formed the dibenzobarrelene and norbornene skeletons. The pure enantiomers of these compounds were obtained using brucine as the chiral auxiliary. Novel C2-symmetric chiral benzimidazole derivatives were synthesized from the reaction of the diaminobenzene and enantiomeric dicarboxylic acids in the presence of boric acid.

Keywords:

Norbornene, dibenzobarrelene, guanidine, benzimidazole, chiral resolution.

Affiliation:

Department of Polymer Technology, Technical Sciences Vocational College, Gazi University, Ankara, Department of Chemistry, Faculty of Science, Firat University, Elazıg

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