期刊
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
卷 37, 期 11, 页码 873-882出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/S0223-5234(02)01389-2
关键词
thiadiazolyl quinazolin-4(3H)-ones; thiadiazolyl thiazolidinonyl quinazo-lin-4(3H)-ones; anticonvulsant activity; acute toxicity
A series of 3-{[5-(alkylbenzylideneamino)-1,3,4-thiadiazol-2-yl]methylamino}-2-methyl-6-monosubstitutedquinazolin-4(3 H)-one (4a-4l) have been synthesized via condensation of 3-[(5-amino-1,3,4-thiadiazol-2-yl)methylamino]-2-methyl-6-monosubstitutedquinazolin-4(3H)-one (3a-3b) with various aromatic aldehydes. Cycloaddition of thioglycolic acid with 4a-4l yielded 3-({4-[2(alkylphenyl)-4-oxo-1,3-thiazolidin-3-yl]-1,3,4-thiadiazol-2-yl}methylamino)-2-methyl-6-monosubstitutedquinazolin-4(3H)-one (5a-5l). The compounds were screened for their anticonvulsant activity and were compared with the standard drugs, phenytoin sodium, lamotrigine and sodium valproate. Out of the 30 compounds the most active compound was 3-({4-[2-(m-methoxy p-hydroxyphenyl)-4-oxo-1,3-thiazolidin-3-yl]-1,3,4-thiadiazol-2-yl}methylamino)-2-methyl-6-bromo-quinazolin-4(3H)-one (5l). (C) 2002 Published by Editions scientifiques et medicales Elsevier SAS.
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