Reference of 2-Phenylpyridine. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-Phenylpyridine, is researched, Molecular C11H9N, CAS is 1008-89-5, about Electrochemically Driven and Acid-Driven Pyridine-Directed ortho-Phosphorylation of C(sp2)-H Bonds. Author is Gryaznova, Tatyana V.; Khrizanforov, Mikhail N.; Levitskaya, Alina I.; Kh. Rizvanov, Ildar; Balakina, Marina Yu.; Ivshin, Kamil A.; Kataeva, Olga N.; Budnikova, Yulia H..
The key intermediate palladacycles (mono, bi, and tetranuclear) with phosphonate, acetate, and other counterions in the C(sp2)-H phosphonation are analyzed in terms of their redox properties, mutual transitions, reactivity, and reaction pathways for the selective production of desired products. In the presence of pyridine, the reaction proceeds through a mononuclear palladacycle, which at a relatively high electrolysis potential gives the product of ortho-phosphonation of the arene with a C-P bond in good yield. Under acidic conditions, the process involves the tetrapalladium intermediate and leads to a product with a C-O-P bond. Phosphorous acid gives inorganic phosphoric derivatives of 2-phenylpyridine. The electrochem. data on the redox properties of key palladacycles 4 and 5, their potentials and energy gaps, are confirmed by DFT calculations
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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