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. 5872-08-2, Name is (7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid, molecular formula is C10H16O4S. In an article, author is Luo, Zhibin,once mentioned of 5872-08-2, Recommanded Product: 5872-08-2.
Trifluoroborane catalyzed chemoselective synthesis of highly functionalized 1,3-thiazin-2-ylidenes
An efficient chemoselective synthesis of 1,3-thiazine-2-ylidenes was achieved via annulations of beta-aroyl-thioacetamide with propargyl alcohols using BF(3)OEt(2)as Lewis acid catalyst. A broad spectrum of substrates was well tolerated under the mild reaction conditions producing desired thiazine heterocyclics in good yields.
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Reference:
Thiazine – an overview | ScienceDirect Topics,
,Thiazine | C4H5NS – PubChem