Research speed reading in 2021. Chemistry is a science major with cience and engineering. The main research directions are chemical synthesis, new energy materials, preparation and modification of special coatings. 51-67-2, Name is Tyramine, molecular formula is , belongs to benzoxazole compound. In a document, author is Bai, Xuguan, Safety of Tyramine.
An unexpected BF3.OEt2-catalyzed Michael addition/cyclization/dehydration sequence of ortho-hydroxyenaminones with aromatic or aliphatic aldehyde-derived beta,gamma -unsaturated alpha -ketoesters has been achieved to afford a wide range of fused hydrogenated benzoxazole polycycles in 67-95% yields in a highly diastereoselective manner. When isatin-derived beta,gamma -unsaturated alpha -ketoesters were employed as substrates, completely different reactivities were observed, delivering an array of new atropisomers with an oxindole-substituted N-C axially chiral pyrrole-phenol backbone in up to 97% yield. Moreover, DFT calculations were conducted to account for the possible reaction pathway and the stereochemistry.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem