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| | Dihydrostilbene alkanoic acid derivatives - US Patent 6720315 (Site not responding. Last check: 2007-11-07) |
 | | The monocyclic ring systems such as imidazole, thiazole, oxazole, and the like, may contain an amino or alkylamino substituent at any position within the ring. |
 | | is an aryl or a heteroaryl group selected from phenyl, benzofuran, benzothiophene, indole, quinoline, isoquinoline, benzimidazole, benzoxazole, 1,3-benzodioxole, 1,4-benzodioxane, benzopyran, quinolone, imidazopyridine, tetrahydroquinoline, benzotriazole, dihydroindole, dihydrobenzofuran, furan, thiophene, phenyl, oxazole, thiazole, isoxazole, pyrazole, imidazole, pyrrole, pyridine, pyrimidine, pyridone, triazole, thiadiazole and the like. |
 | | The aryl system can be optionally substituted at one or more position with alkyl, alkoxy, hydroxy, cyano, halogen or haloalkyl. |
| www.patentstorm.us /patents/6720315.html (15740 words) |
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