Zobrazeno 91 - 100
of 113
pro vyhledávání: '"Ahmad Poursattar Marjani"'
Publikováno v:
ChemInform. 46
The cyclocondensations are performed in molten tin dichloride which acts as both reaction medium and Lewis acid catalyst.
Publikováno v:
Synthetic Communications. 41:2475-2482
The reaction of ethyl 5-oxo-2,5-dihydroisoxzole-4-carboxylate with derivatives of 2-chloroquinoline afforded the desired N-quinolinyl isoxazolones. Their reactions with triethylamine in chloroform produced the corresponding pyrimidoquinoline derivati
Publikováno v:
Bulletin of the Korean Chemical Society. 32:2183-2186
A series of pyrimidoquinoline derivatives was synthesized in good yield and short reaction times by reaction of 3-arylaminoisoxazol-5(2H)-ones with derivatives of 2-chloro-3-formylquinoline in toluene under reflux conditions.
Publikováno v:
Tetrahedron Letters. 55:3781-3783
A simple and convenient synthesis of 2-aryl-3-hydroxy-6,7-dihydro-1 H -indol-4(5 H )-ones is achieved in high yields via the one-pot, three-component reaction of arylglyoxals, 1,3-cyclohexanedione, and ammonium acetate in water under reflux condition
Publikováno v:
Australian Journal of Chemistry. 71:435
A novel and one-pot pseudo-four-component reaction between a series of arylglyoxals, malononitrile, 3-methyl-1-phenyl-1H-pyrazol-5-amine, and acetone in the presence of tetrapropylammonium bromide (TPAB) has been developed to synthesize a series of n
Publikováno v:
Arkivoc. 2009:17-30
The reaction of bis-isoxazolinyl pyrimidines and pyridazines with bases leads to a novel synthesis of tri- and tetra azaheterocycles, capable of intercalation with DNA.
Publikováno v:
ChemInform. 46
New 2-aryl-6-(arylamino)-1H-imidazo[1,2-b]pyrazole-7-carbonitriles are synthesized in good yields, via cyclocondensation of 5-amino-1-(2-oxo-2-arylethyl)-3-(arylamino)-1H-pyrazole-4-carbonitriles, which are prepared by the reaction of 5-amino-3-aryla
Publikováno v:
ChemInform. 45
A simple and convenient synthesis of 2-aryl-3-hydroxy-6,7-dihydro-1 H -indol-4(5 H )-ones is achieved in high yields via the one-pot, three-component reaction of arylglyoxals, 1,3-cyclohexanedione, and ammonium acetate in water under reflux condition
Publikováno v:
ChemInform. 43
The reaction of ethyl 5-oxo-2,5-dihydroisoxzole-4-carboxylate with derivatives of 2-chloroquinoline afforded the desired N-quinolinyl isoxazolones. Their reactions with triethylamine in chloroform produced the corresponding pyrimidoquinoline derivati
Publikováno v:
ChemInform. 42
A simple one-step synthesis of derivatives (III) of a novel azetopyrimidoquinoline ring system (14 examples) is given.