Amberlyst-15 in PEG:A novel catalytic system for the facile and efficient one-pot synthesis of benz

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A simple and convenient approach for the synthesis of tetraheterocyclic benzothiazolo-[2,3-b]-quinazolin-1-ones has been developed utilizing the MCR methodology, which involves the condensation of 2-aminobenzothiazole, cyclic-diketones and various aldehyd
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