In an article, author is Noack, A, once mentioned the application of 127-63-9, Application In Synthesis of Sulfonyldibenzene, Name is Sulfonyldibenzene, molecular formula is C12H10O2S, molecular weight is 218.27, MDL number is MFCD00007548, category is isothiazole. Now introduce a scientific discovery about this category.
Ring transformations of 4,5- to the isomeric 3,4-disubstituted isothiazolium salts and their oxidation to 1,1-dioxides
4,5-Disubstituted N-phenyl-isothiazolium salts 1 with active 5-methyl group react under the influence of anilines to form 3,4-disubstituted isothiazolium salts 3. The influence of donor and acceptor substituents in the 2-phenyl group of 1a-h and in the anilines 2 on the ring transformation were studied. The structure of the new salts was confirmed by X-ray analysis. The 3-hydroperoxy-2,3-dihydro-isothiazole 1,1-dioxides (12a,d)and the isothiazole-3(2H) -one 1,1-dioxides (14a,d) are obtained by oxidation of salts 3 with H2O2.
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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com