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Reaction of nitrilimines with 2-substituted aza-heterocycles Adel M. Awadallah

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Reaction of nitrilimines with 2-substituted aza-heterocycles Adel M. Awadallah Chemistry Department, Faculty of Science, Islamic University of Gaza, P. O. Box108, Gaza, Palestine; Tel. +970-8-2823311, Fax: +970-8-2823310, e-mail [email protected] Nirilimines As 1,3-Dipoles 1,3-Dipoles

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Reaction of nitrilimines with 2-substituted aza-heterocycles
  • Adel M. Awadallah
  • Chemistry Department, Faculty of Science,
  • Islamic University of Gaza, P. O. Box108, Gaza, Palestine;
  • Tel. +970-8-2823311, Fax: +970-8-2823310,
  • e-mail [email protected]
slide3
Nirilimines As 1,3-Dipoles
  • 1,3-Dipoles
  • A 1,3-Dipole is a three-atom π-electron system with 4π-electrons delocalized over the three atoms.
slide4
Nitrilimines:
  • Nitrilimines are flexible system of three atoms over which four π- electrons are delocalized, they are typical 1,3-dipolar species having the resonance structures shown below:
  • Resonance structures of Nitrilimines
slide6
Reaction of Dinucleophiles with Nitrilimines

Reaction with 2-aminopyridine and 2-aminopyrazine

slide10
Reaction with 2-Cyanomethylbenzimidazole
  • Quite recently, Awadalah reported that nitrilimines react with 2-cyanomethyl benzimidazole to afford pyrrolo(1,2-a)benzimidazoles.

The structure of compound 4 was confirmed by X-ray crystal structure.

slide11
Our Work
  • Reaction of Nitrilimines (containing ester moiety) with cyanomethyl-benzimidazole.
slide16
شكر وتقدير
  • د. جلال أحمد زهرة - الجامعة الأردنية
  • الأستاذة / دينا العشي – الجامعة الإسلامية
  • الطالبة / منى العصار – الجامعة الإسلامية
  • شكرا لكم لحسن استماعكم
  • والسلام عليكم ورحمة الله وبركاته
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