methods for preparations
do you have any target structure in mind?
no
https://www.organic-chemistry.org/synthesis/heterocycles/benzo-fused/benzothiazoles.shtm
thankyou
please Ineed paper for the subject
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.sciencedirect.com/science/article/pii/S1319610317300583&ved=2ahUKEwi2-qf_9IznAhWsxaYKHUheC98QFjADegQIAxAB&usg=AOvVaw22yHI1W6Pt0qWcYNZeeEn7
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