SYNTHESIS AND ANTHELMINTIC ACTIVITY OF TRIHETEROCYCLES: [5′-(5"-SUBSTITUTED-3"-PHENYLINDOL-2′-YL)-1′,3′,4′-OXADIAZOL-2′-YL-THIOMETHYL] BENZIMIDAZOLES

被引:0
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作者
Manjunath, S. Y. [1 ]
Biradar, J. S. [3 ]
Basawaraj, Raga [2 ]
机构
[1] Srikrupa Inst Pharmaceut Sci, Velkatta RD Siddipet, Medak 502277, Andhra Pradesh, India
[2] Karnataka Engn Pharm, Bidar 585403, Karnataka, India
[3] Gulbarga Univ, Dept Chem, Gulbarga 585106, Karnataka, India
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中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Ethyl 5-substituted-3-phenylindol-2-carboxylates (1a-d) were converted to 5-substituted-3-phenylindol-2-carbohydrazides (2a-d), by treating with hydrazine hydrate. Carbohydrazides 2 on reaction with carbon disulphide and potassium hydroxide yielded 5-substituted-3-phenyl-2-(5'-mercapto-1',3',4'-oxadiazol-2'-yl) indoles (3a-d), which on reaction with chloroacetic acid gave 2-(5'-substituted-3'-phenylindol-2'-yl)-1,3,4-oxadiazol-5-thioacetic acids (4a-d). These thioacetic acid derivatives 4 on reaction with orthophenylenediamine dihydrochloride furnished the title compounds 5. Newly synthesized compounds were screened for their anthelmintic activity.
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页码:321 / 324
页数:4
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