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Basaif, Salem A.,Sobahi, Tatiq R.,Khalil, Ali Kh.,Hassan, Mohamed A. Korean Chemical Society 2005 Bulletin of the Korean Chemical Society Vol.26 No.11
Aldol condensation of 2-acetylthiophene, 2-acetylpyrrole and 2-acetylpyridine with different aromatic aldehydes were carried out in water in heterogeneous phases in the presence of cetyltrimethylammonium bromide as cationic surfactant at room temperature. All the reactions occur in a short time with excellent yields of steroselective hetarylpropanones in water as environmental friendly solvent.
Mohamed A. Hassan,Tatiq R. Sobahi,Ali Kh. Khalil,Salem A. Basaif 대한화학회 2005 Bulletin of the Korean Chemical Society Vol.26 No.11
Aldol condensation of 2-acetylthiophene, 2-acetylpyrrole and 2-acetylpyridine with different aromatic aldehydes were carried out in water in heterogeneous phases in the presence of cetyltrimethylammonium bromide as cationic surfactant at room temperature. All the reactions occur in a short time with excellent yields of steroselective hetarylpropanones in water as environmental friendly solvent.
Hassan M. Faidallah,Sherif A. F. Rostom,Salem A. Basaif,Mohammed S. T. Makki,Khalid A. Khan 대한약학회 2013 Archives of Pharmacal Research Vol.36 No.11
This study reports the synthesis of some novelisoxazolo[4,5-d]pyridazines and structurally related thiazolo[4,5-d]pyridazines, and their biological evaluation asantimicrobial agents. The proposed compounds weredesigned to contain pharmacophores such as urea, thiourea,sulfonylurea (thiourea) and some derived functionalities thatare believed to contribute to the anticipated biologicalactivities. The results revealed that 25 compounds displayedbroad spectrum of antibacterial activity, with greater inhibitoryeffect on the growth of the tested Gram positive strainscompared to Gram negative ones. Moreover, 14 compoundswere able to produce appreciable growth inhibitory activityagainst Candida albicans fungus when compared toClotrimazole. Most of the tested isoxazolo[4,5-d]pyridazinesdisplayed better antimicrobial profile than theircorresponding thiazolo[4,5-d]pyridazine congeners. Fourcompounds namely, p-(3,7-dimethyl-4-oxo-4H-isoxazolo[4,5-d]pyridazine-5-yl)benzenesulfonylthioureas (11c–d),3-substituted-2-[p-(3,7-dimethyl-4-oxo-4H-isoxazolo[4,5-d]pyridazine-5-yl)-benzene-sufonylimino]-4-oxothiazolidines(13d) and p-(2,7-dimethyl-4-oxo-4H-thiazolo[4,5-d]pyridazin-5-yl)benzenesulfonylthiourea (24c) werefound to be most active antimicrobial members in presentstudy.