Utility of  p‐ phenylenediformamidine in the synthesis of bisazoles and phenanthroline | Zendy

AlMousawi Saleh M. | Zendy; Elassar AbdelZaher A. | Zendy

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Utility of p‐ phenylenediformamidine in the synthesis of bisazoles and phenanthroline

Author(s) -

AlMousawi Saleh M.,

Elassar AbdelZaher A.

Publication year - 2009

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.157

Subject(s) - chemistry , malononitrile , hydrazine (antidepressant) , dimethylformamide , hydrate , methylene , acetal , microwave irradiation , phenanthroline , organic chemistry , medicinal chemistry , combinatorial chemistry , catalysis , chromatography , solvent

p‐ Phenylenediformamidine 1 is readily obtained upon treating p‐ phenylenediamine with dimethylformamide dimethyl acetal (DMFDMA) by heating or by microwave irradiation. Compound 1 was treated with active methylene nitriles followed by hydrazine hydrate derivatives to give bisaminopyrazole derivatives. Other bisazoles can be obtained by reacting 1 with aminoazole derivatives. Cyclization of Bis [2‐( p ‐phenelyeneimino)malononitrile] to 1,10‐diaminophenanthroline‐2,9‐dicarbonitrile is also reported. J. Heterocyclic Chem., (2009).

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