中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | ethyl 2-((4-oxo-3-phenyl-3,4-dihydroquinazolin-2-yl)thio)acetate | 28831-35-8 | C18H16N2O3S | 340.403 |
3-苯基-2-硫代-2,3-二氢-4(1H)-喹唑啉酮 | 3-phenyl-2-thioxo-2,3-dihydro-1H-quinazolin-4-one | 18741-24-7 | C14H10N2OS | 254.312 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | N-[(4-bromophenyl)methylideneamino]-2-(4-oxo-3-phenylquinazolin-2-yl)sulfanylacetamide | —— | C23H17BrN4O2S | 493.384 |
—— | N'-[(E)-(3-Chlorophenyl)methylidene]-2-[(4-oxo-3-phenyl-3,4-dihydro-2-quinazolinyl)sulfanyl]acetohydrazide | —— | C23H17ClN4O2S | 448.9 |
—— | 2-mercapto-2-(methylamido-2'-chloro-N-benzylidene)-3-phenyl-4-oxo-(3H)-quinazoline | 56671-14-8 | C23H17ClN4O2S | 448.933 |
—— | 1-(3,4-Dihydro-4-oxo-3-phenylquinazolin-2-ylmercaptoacetyl)-4-phenylthiosemicarbazide | 144422-52-6 | C23H19N5O2S2 | 461.568 |
—— | N'-[(1E)-1-(4-bromophenyl)ethylidene]-2-[(4-oxo-3-phenyl-3,4-dihydroquinazolin-2-yl)sulfanyl]acetohydrazide | —— | C24H19BrN4O2S | 507.4 |
—— | (E)-N'-(3,4-dimethoxybenzylidene)-2-[(4-oxo-3-phenyl-3,4-dihydroquinazolin-2-yl)thio]acetohydrazide | 1029014-98-9 | C25H22N4O4S | 474.54 |
—— | N-[(2,4-dimethoxyphenyl)methylideneamino]-2-(4-oxo-3-phenylquinazolin-2-yl)sulfanylacetamide | —— | C25H22N4O4S | 474.54 |
—— | 3-(3,4-Dihydro-4-oxo-3-phenylquinazolin-2-ylmercaptomethyl)-5-mercapto-4-phenyl-1,2,4-triazole | 87439-54-1 | C23H17N5OS2 | 443.553 |
—— | 4-phenyl-5-(3-phenyl-4(3H)-oxo-2-quinazolinylthiomethyl)-1,2,4-triazol-3-ylthioacetic acid | 155199-41-0 | C25H19N5O3S2 | 501.59 |
—— | N'-(5-bromo-2-oxoindol-3-yl)-2-(4-oxo-3-phenylquinazolin-2-yl)sulfanylacetohydrazide | —— | C24H16BrN5O3S | 534.393 |
—— | 3-[[(3-phenyl-4(3H)-quinazolinone-2-yl)mercaptoacetyl]hydrazono]-5-bromo-1H-2-indolinone | —— | C24H16BrN5O3S | 534.393 |
3-苯基-2,4(1H,3H)-喹唑啉二酮 | 3-phenyl-2,4-(1H,3H)-quinazolinedione | 603-23-6 | C14H10N2O2 | 238.246 |
—— | 2-(3-oxo-5,6-diphenyl-2,3,4,5-tetrahydropyridazin-4-ylthio)-3-phenylquinazolin-4(3H)-one | 1260163-42-5 | C30H22N4O2S | 502.596 |
—— | N-[(Z)-[1-(morpholin-4-ylmethyl)-2-oxoindol-3-ylidene]amino]-2-(4-oxo-3-phenylquinazolin-2-yl)sulfanylacetamide | —— | C29H26N6O4S | 554.629 |
—— | 4-(4-Methylphenyl)-4-oxo-3-[[5-[(4-oxo-3-phenylquinazolin-2-yl)sulfanylmethyl]-4-phenyl-1,2,4-triazol-3-yl]sulfanyl]butanoic acid | 155199-46-5 | C34H27N5O4S2 | 633.751 |
—— | 1-methyl-3-phenylquinazoline-2,4(1H,3H)-dione | 1028-37-1 | C15H12N2O2 | 252.272 |
A new series of 2,3-disubstituted quinazolinones was synthesised via the reaction of readily obtainable 2-thioxo-3-phenylquinazolin-4(3 H)-one 1 with ethyl chloroacetate followed by hydrazinolysis to afford the hydrazide 3. This was allowed to react with different electrophilic reagents such as carbon disulfide, phenyl isothiocyanate, β-diketones, anhydrides, acrylonitrile, ethyl cinnamate, aldehydes, arylidene malononitrile and lauroyl chloride. Some of the newly synthesised compounds showed promising anti-inflammatory activities.