Synthesis of 3-methylquinazolin-4(3H)-one derivatives
摘要:
Oxidation of 3-methyl-2-sulfanylquinazolin-4(3H)-one with chlorine dioxide under different conditions gave 2,2'-disulfanediylbis[3-methylquinazolin-4(3H)-one], 3-methyl-4-oxo-3,4-dihydroquinazoline-2-sulfonic acid, 3-methylquinazoline-2,4(1H,3H)-dione, 6-chloro-3-methylquinazoline-2,4(1H,3H)-dione, and N,N-diethyl-3-methyl-4-oxo-3,4-dihydroquinazoline-2-sulfonamide.
Heterocyclic compounds and their preparation and use
申请人:A/S FERROSAN
公开号:EP0226282A2
公开(公告)日:1987-06-24
New heterocyclic compounds having the general formula
wherein
wherein R' is C1-6-alkyl, C3-7-cycloalkyl, or C3-7-cycloalkylmethyl,
R⁶ and R⁷ independently are hydrogen, halogen, alkoxy or trifluoromethyl , and
R'' is hydrogen, C1-6-alkyl, or C3-7-cycloalkyl
The compounds are useful in psychopharmaceutical preparations as anticonvulsants, anxiolytics, hypnotics, and nootropics.
Oxadiazolylacetonitriles, their preparation and use
申请人:NOVO NORDISK A/S
公开号:EP0274009A1
公开(公告)日:1988-07-13
Compounds of the formulae Compounds of the formulae
式中化合物 式中化合物 式中化合物 式中化合物
Platelet ADP receptor inhibitors
申请人:Portola Pharmaceuticals, Inc.
公开号:EP2314593A1
公开(公告)日:2011-04-27
Novel compounds of formulae (I), which more particularly include sulfonylurea derivatives, sulfonylthiourea derivatives, sulfonylguanidine derivatives, sulfonylcyanoguanidine derivatives, thioacylsulfonamide derivatives, and acylsulfonamide derivatives which are effective platelet ADP receptor inhibitors. These derivatives may be used in various pharmaceutical compositions, and are particularly effective for the prevention and/or treatment of cardiovascular diseases, particularly those diseases related to thrombosis. The invention also relates to the use of an effective amount of a compound of formulae (I), or a pharmaceutically acceptable salt thereof, in the manufacture of a pharmaceutical composition for preventing or treating thrombosis in a mammal.