Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner.26978-64-3, Name is 4-Hydroxybutane-1-sulfonic acid, SMILES is O=S(CCCCO)(O)=O, belongs to thiazines compound. However, they have proven to be challenging because of the mutual inactivation of both catalysts. In a document, author is Ukrainets, I. V., introduce the new discover, Quality Control of 4-Hydroxybutane-1-sulfonic acid.
2,1-Benzothiazine 2,2-Dioxides. 5. Hydrolysis of Alkyl 1-R-4-Hydroxy-2,2-Dioxo-1H-2 lambda(6),1-Benzo-Thiazine-3-Carboxylates
Hydrolysis of 1-R-4-hydroxy-2,2-dioxo-1De-2 lambda(6),1-benzothiazine-3-carboxylate esters in HCl-AcOH-H2O mixture at 60A degrees D was accompanied by decarboxylation and led to 1-R-4-oxo-3,4-dihydro-1H-2 lambda(6),1-benzo-thiazine-2,2-diones. In the alkaline medium, regardless of the type of the substituent at position 1, analogous structural transformations occurred at first, but the thiazine ring was also destroyed along with the ester fragment when performing the reaction for a longer time.
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Reference:
Thiazine – an overview | ScienceDirect Topics,
,Thiazine | C4H5NS – PubChem