891168-95-9

Upstream product

• 864162-83-4 methyl (2R)-2-hydroxy-5-(4-methoxyphenyl)pentanoate 
• 358-23-6 trifluoromethylsulfonic anhydride 

Downstream Products

• 864162-84-5 ethyl 4-{[(1S)-1-(methoxycarbonyl)-4-(4-methoxyphenyl)butyl]thio}-3-nitrobenzoate 

Relevant academic research and scientific papers

BENZOTHIAZIN-3-ONE COMPOUND AND INTERMEDIATE THEREFOR

A medicine which contains as an active ingredient a benzothiazin-3-one-compound represented by the formula (1): (wherein n is 3 or 4; R represents ethyl or hydrogen; and R 1 represents hologeno, alkoxy, haloalkyl, or haloalkoxy) or a pharmaceutically acceptable salt thereof. It is useful as a therapeutic or preventive agent for arthrosis deformans, chondrodegenerative discases such as chronic articular rheumatism, cancers, gingivitis, etc. Also provided are an intermediate for the compound and a process for producing the compound.