New discoveries in chemical research and development in 2021. In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Safety of 7-Methoxy-1,2,3,4-tetrahydroisoquinoline, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 43207-78-9, name is 7-Methoxy-1,2,3,4-tetrahydroisoquinoline. In an article，Which mentioned a new discovery about 43207-78-9
The title compound has been prepared from 1,2,3,4-tetrahydroisoquinoline via successive nitration, acetylation, reduction and diazotisation.Earlier conflicting reports on the nitration of tetrahydroisoquinoline have been clarified.A better synthetic route, based upon reduction of the corresponding isocarbostyril, has been devised and should be applicable to the obtention of a wide range of tetrahydroisoquinolines.The structure of the neutral product of oxidative dimerisation of 2-acetyl-7-hydroxy-1,2,3,4-tetrahydroisoquinoline has been established.
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Reference：
Tetrahydroisoquinoline – Wikipedia,
1,2,3,4-Tetrahydroisoquinoline | C9H11N – PubChem