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Melatonin (MT), an effective antioxidant, has therapeutic implications for granular corneal dystrophy type 2 (GCD2) treatment. Eye drop formulations containing cyclodextrins (CDs) were studied with the objective of improving MT solubility, stability, and ocular absorption, while decreasing eye irritation. MT complexes with αCD, βCD, γCD, and(More)
A number of substituted diphenylsulfides and sulfones (4-11) and 2,2'-disubstituted-5,5'-dibenzimidazolyl sulfides and sulphones (12-19) have been synthesized starting from 5-chloro-2-nitroacetanilide and (3) 4,4'-dichlorodiphenyl sulfone (9), respectively. Among the compounds tested against Ancylostoma ceylanicum in hamsters and Hymenolepis nana in rats(More)
The synthesis of alkyl 5(6)-(benzimidazol-2-ylcarbamoyl)benzimidazole-2-carbamates (6, 7), and alkyl 5(6)-(4-substituted piperazin-1-yl)benzimidazole-2-carbamates (31-40) has been carried out. When the compounds were tested for their anthelmintic activity against Ancylostoma ceylanicum in hamsters, Hymenolepis nana in rats, Litomosoides carinii in cotton(More)
The fungal microorganism Cunninghamella echinulata was utilized to para-hydroxylate the synthetic substrate (+/-)-1-isopropylamino-3-phenoxy-propan-2-ol (1). The resulting product, (+/-)-1-(4-hydroxyphenoxy)-3-isopropylamino-propan-2-ol, or (+/-)-prenalterol, (2) was formed in greater than 85% yield. Extracts from incubates were derivatized with(More)
A number of 1,4-di-(3,4-disubstituted benzoyl)piperazines (3-6), 1-(3,4-disubstituted benzoyl)-4-(3,4-disubstituted phenyl)piperazines (9-11), 1,4-di-(2-carbalkoxyaminobenzimidazol-5(6)-yl-carbonyl)piperazines (12, 13), 1-(2-carbalkoxyaminobenzimidazol-5(6)- ylcarbonyl)-4-(2-carbalkoxyaminobenzimidazol-5(6)-yl) piperazines (14, 15) and(More)
A series of 2,2'-disubstituted 5,5'-dibenzimidazolyl ketones and related compounds have been synthesized of which 2,2'-bis(carbomethoxyamino)-5,5'-dibenzimidazolyl ketone exhibited a broad spectrum of anthelmintic activity in experimental animals. At doses of 10-50 mg/kg given intraperitoneally, 5 killed 100% of the adult worms of Litomosoides carinii,(More)
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