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3,4-dihydro-6-methyl-2H-1-benzothiopyran 1,1-dioxide synthesis

2synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: 60 percent / AlCl3 / CS2 / 3 h / Heating
2: H2O2 / acetic acid

References:

Abdel-Wahab, Aboel-Magd A.;El-Khawaga, Ahmed M.;El-Zohry, Maher F.;Khalaf, Ali A. [Phosphorus and Sulfur and the Related Elements,1984,vol. 19,p. 31 - 44]