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Abstract
KHSO4 efficiently catalyzes the condensation of o-aminothiophenols and 2-bromo-1-aryl-ethanones to yield 3-aryl-2H-benzo[1,4]thiazines in good yields.
The authors are thankful to the Alzahra Research Council for partial financial support.
aYields refer to isolated products.
aYield of isolated products.
aYield of isolated products.
aIsolated yields.
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