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A Facile synthesis of some novel 1,3,4-thiadiazoles and pyridines linked to benzofuran as antimicrobial agents
Al-Azhar Bulletin of Science
In the present study, a new series of benzofuran-integrated 1,3,4-thiadiazoles were prepared starting from pyrazol-4-carboxaldehyde derivatives 3a,b. Thus, reaction of compounds 3a,b with benzyl hydrazine carbodithioate afforded hydrazine carbodithioate derivatives 4a,b. Treatment of compound 4a with hydrazonoyl halides 5e,f afforded 1,3,4-thiadiazoles 6a, b ,also, the reaction of 4b with hydrazonoyl halides 5a-d yielded 1,3,4-thiadiazoles 7a-d. on the other hand, new pyridine derivatives candoi:10.21608/absb.2020.48465.1092 fatcat:q5qcl67uhnaqdjqbtrus7e4ic4