Let¡¯s face it, organic chemistry can seem difficult to learn. 3080-99-7. Especially from a beginner¡¯s point of view. Like 3080-99-7, Name is 3,4-Dihydro-2H-benzo[b][1,4]thiazine. In a document type is Article, introducing its new discovery.
Chemoselective Deprotection of Sulfonamides under Acidic Conditions: Scope, Sulfonyl Group Migration, and Synthetic Applications
Chemoselective acidic hydrolysis of sulfonamides with trifluoromethanesulfonic acid has been evaluated as a deprotection method and further extended to more complex synthetic applications. In contrast to conventional troublesome sulfonamide hydrolysis, a near-stoichiometric amount of acid was found to be sufficient to bring about efficient deprotection of various neutral or electron-deficient N-arylsulfonamides, whereas electron-rich substrates provided sulfonyl group migration products. The deprotection method developed is fully selective for N-arylsulfonamides, and the possibility to discriminate among various different sulfonamides is demonstrated.
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Reference£º
Thiazine – an overview | ScienceDirect Topics,
Thiazine | C4H5NS – PubChem