The flat faces of aromatic rings also have partial negative charges due to the π-electrons. Similar to other non-covalent interactions –including hydrogen bonds, electrostatic interactions and Van der Waals interactions, Recommanded Product: 51-67-2.
Ligand- and solvent-free catalytic conditions that harness a nanostructured-Cu-I catalyst encapsulated in TiO2 has been reported for C2-amination of azoles (benzothiazole, benzoxazole and thiazole). The reaction is highly regioselective. The catalyst is robust, inexpensive and can be recycled up to four times. This strategy was further used for the synthesis of a small molecule with anti-HIV and anti-tumor properties.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem