A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 28562-53-0, Name is 4-Acetoxy-2-azetidinone, molecular formula is C5H7NO3. In an article, author is Potkin, V. I.,once mentioned of 28562-53-0, COA of Formula: C5H7NO3.
Synthesis of functional derivatives of isothiazole and isoxazole basing on (5-arylizoxazol-3-yl)- and (4,5-dichloroisothiazol-3-yl)arylmethanol
From (4,5-dichloroisothiazol-3-yl)phenylmethanol by Ritter reaction a substituted acetamide was synthesized that at hydrolysis with HCl afforded (4,5-dichloroisothiazol-3-yl)phenylmethylamine hydrochloride. By reaction of (5-arylisoxazol-3-yl)- and 4,5-dichloroisothiazol-3-yl)arylmethanol with thionyl chloride the corresponding (1,2-azol-3-yl)arylchloromethanes were obtained. At treatment with O- and N-nucleophiles chlorine atom in chloromethylD mu ne fragment of obtained compounds was substituted by residues of benzylamine, morpholine, vanillin, and ethoxy group.
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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com