4046-61-1

Upstream product

• 76664-66-9 2-methyl-2-phenyl-3-oxo-2,3-dihydrobenzothiophen 1,1-dioxide 
• 25527-14-4 2-phenylbenzo[b]thiophen-3(2H)-one 1,1-dioxide 

Downstream Products

• 74328-47-5 4-phenyl-2-p-tolylsulphonyl-2,3-dihydro-1,2-benzothiazepin-5(4H)-one 
• 74335-46-9 2-methyl-3-oxo-2-phenyl-2,3-dihydrobenzothiophen S-oxide 
• 74328-48-6 2-methyl-2-phenyl-1-p-tolylsulphonyliminobenzothiophen-3(2H)-one 
• 74328-51-1 3-(1-phenylvinyl)-1,2-benzisothiazole 
• 74328-52-2 4-phenyl-2,3-dihydro-1,2-benzothiazepin-5(4H)-one 

Relevant academic research and scientific papers

Novel Conversions of Benzothiophen-3(2H)-ones into 1,2-Benzisothiasole and Tetrahydro-1,2-benzothiazepin-5-one Systems via Sulphimide Intermediates

S-Amination of 2,2-dimethyl- (3a) and 2-benzyl-2-methyl-benzothiophen-3(2H)-one (3b) with O-mesitylenesulphonylhydroxylamine followed by treatment with base yielded 3-isopropenyl- (4a) and 3-(1-benzylvinyl)-1,2-benzisothiazole (4b), respectively.Simila