The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 58-63-9, Name is Inosine, SMILES is O=C1N=CNC2=C1N=CN2[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O, in an article , author is Shiri, Morteza, once mentioned of 58-63-9, Quality Control of Inosine.
A novel series of oxo-1,2,3,4-tetrahydropyrazino[1,2-a]indoles were synthesized via a two-step pathway. In the first step, Ugi-four-component condensation of 2-formylindole, amines, (E)-4-alkoxy-4-oxobut-2-enoic acids, and isocyanides gave the corresponding Ugi-adducts. This adduct underwent intramolecular hydroamination in the presence of K2CO3 in CH3CN at room temperature to afford diastereoselective synthesis of a range of oxo-1,2,3,4-tetrahydropyrazino[1,2-a]indoles. A comparison of experimentally observed CD and UV-visible spectra with the theoretical DFT calculated ECD spectra was used to predict the major diastereomer.
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Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles