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Pyrimidine non-nucleoside analogs: A direct synthesis of a novel class of N-substituted amino and N-sulfonamide derivatives of pyrimidines
Authors:Galal H. Elgemeie  Ali M. Salah  Nermeen S. Abbas  Hoda A. Hussein  Reham A. Mohamed
Affiliation:1. Chemistry Department, Faculty of Science, Helwan University, Helwan, Cairo, Egypt;2. Chemistry Department, Faculty of Science, Taibah University, Saudi Arabia;3. Photochemistry Department, National Research Center, Dokki, Cairo, Egypt
Abstract:A convenient method for the regioselective synthesis of pyrimidine non-nucleoside analogs was developed. This study reports a novel and efficient method for the synthesis of a new type of N-substituted amino methylsulfanylpyrimidines and the corresponding pyrazolo[3,4-d]pyrimidines. This series of compounds was designed through the reaction of dimethyl N-cyanodithioiminocarbonate with 2-cyano-N′-(thiophen-2-yl-, furan-2-yl- and pyridin-4-ylmethylene)acetohydrazide and N′-(2-cyanoacetyl)arylsulfonohydrazides. The scope and limitation of the method are demonstrated. The antibacterial and antifungal activities of the synthesized compounds were also evaluated.
Keywords:N-substituted amino methylsulfanylpyrimidines  dimethyl N-cyanodithioiminocarbonate  N′-(2-cyanoacetyl)arylsul-fonohydrazides   antibacterial and antifungal activities  2-cyano-N′-(thiophen-2-yl-, furan-2-yl- and pyridin-4-ylmethylene)acetohydrazide  pyrazolo[3,4-d]pyrimidines, purine analogs
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