FeCl3/ZnI2-catalyzed synthesis of benzo[d]imidazo[2,1-b]thiazole through aerobic oxidative cyclization between 2-aminobenzothiazole and ketone.
The FeCl3/ZnI2-catalyzed aerobic oxidative cyclization between 2-aminobenzothiazole and ketone/chalcone for the synthesis of benzo[d]imidazo[2,1-b]thiazole is described. A variety of fused benzoimidazothiazole derivatives are obtained by this protocol.
Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India.
Subhajit
S
Mishra
Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India.
Kamarul
K
Monir
Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India.
Shubhanjan
S
Mitra
Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India.
Alakananda
A
Hajra
D052160:Benzothiazoles / Q000737:chemistry*; D002384:Catalysis; D002712:Chlorides / Q000737:chemistry*; D003500:Cyclization; D005290:Ferric Compounds / Q000737:chemistry*; D007454:Iodides / Q000737:chemistry*; D007659:Ketones / Q000737:chemistry*; D015394:Molecular Structure; D010084:Oxidation-Reduction; D013844:Thiazoles / Q000138:chemical synthesis* / Q000737:chemistry; D017967:Zinc Compounds / Q000737:chemistry*
D052160:Benzothiazoles; D002712:Chlorides; D005290:Ferric Compounds; D007454:Iodides; D007659:Ketones; D013844:Thiazoles; D017967:Zinc Compounds; C523775:aminobenzothiazole compound; C029770:zinc iodide; C024555:ferric chloride