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. 1075-49-6, Name is 4-Vinylbenzoic acid, molecular formula is C9H8O2. In an article, author is Martynov, Alexander V.,once mentioned of 1075-49-6, HPLC of Formula: C9H8O2.
Oxidation of E,E-bis(3-bromo-1-chloro-1-propen-2-yl) chalcogenides and use of E,E-bis(3-bromo-1-chloro-1-propen-2-yl) sulfone in heterocyclization with primary amines
Oxidation of E,E-bis(3-bromo-1-chloro-1-propen-2-yl) sulfide and selenide with hydrogen peroxide in chloroform/acetic acid or acetic acid affords previously unknown E, E-bis(3-bromo-1-chloro-1-propen-2-yl) sulfoxide, selenoxide, and sulfone. The reaction of E, E-bis(3-bromo-1-chloro-1-propen-2-yl) sulfone with primary amines in ethanol in the presence of NaHCO3 or Na2CO3 is found to lead not only to heterocyclization but also to alcoholysis of the chloromethylidene groups in the intermediate bis(chloromethylidene) derivatives of thiomorpholine-1,1-dioxides to afford N-organyl-2(E),6(E)-bis(ethoxymethylidene) thiomorpholine-1,1-dioxides as final products.
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Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem