Chemistry involves the study of all things chemical – chemical processes, chemical compositions and chemical manipulation – in order to better understand the way in which materials are structured, how they change and how they react in certain situations. 586-76-5, Name is 4-Bromobenzoic acid, molecular formula is C7H5BrO2, belongs to isothiazole compound. In a document, author is UNTERHALT, B, introduce the new discover, Application In Synthesis of 4-Bromobenzoic acid.
2,3-Dihydro-3-oxo-thieno[2,3-d]isothiazole-1,1-dioxide and 2,3-Dihydro-3-oxo-thieno[3,2-d]isothiazole-1,1-dioxide are synthesized. The latter compound can be prepared from 2-chlorothiophene in five steps. Both substances react with Lawessons reagent to give the 3-thioxo derivatives.
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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com