In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Product Details of 3382-18-1, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 3382-18-1, name is 6,7-Dimethoxy-3,4-dihydroisoquinoline. In an article£¬Which mentioned a new discovery about 3382-18-1
One-pot, three-step copper-catalyzed five-/four-component reaction constructs polysubstituted oxa(thia)zolidin-2-imines
A novel one-pot synthesis of polysubstituted oxa(thia)zolidin-2-imines has been developed. It employs A3-coupling of aldehyde and amine with alkyne to form propargyl amine, which on (thio)amidation with iso(thio)cyanate produces N-propargyl(thio)urea, and a cyclization reaction. A 5-exo-dig iodocyclization of N-propargylurea constructs 5-iodomethyleneoxazolidin-2-imine, while cycloisomerization of the thio analogue provides 5-methylenethiazolidin- 2-imine. In this process, CuI catalysis has been found to be crucial, and the cyclization occurs through oxygen/sulfur (not nitrogen) nucleophilic attack to alkyne. Georg Thieme Verlag Stuttgart ¡¤ New York.
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Reference£º
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem