Name: 2-Phenylpyridine. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 2-Phenylpyridine, is researched, Molecular C11H9N, CAS is 1008-89-5, about Visible-Light-Induced ortho-Selective Migration on Pyridyl Ring: Trifluoromethylative Pyridylation of Unactivated Alkenes. Author is Jeon, Jinwon; He, Yu-Tao; Shin, Sanghoon; Hong, Sungwoo.
The photocatalyzed ortho-selective migration on a pyridyl ring has been achieved for the site-selective trifluoromethylative pyridylation of unactivated alkenes. The overall process was initiated by the selective addition of a CF3 radical to the alkene moiety of N-(alkenyloxy)pyridinium salts I [X = O, Z = (CH2)3, R1 = H, 2-Me, 3-MeO2C, 4-Ph, etc., R2 = H, Me; X = O, Z = CH2, CH2CH2, (CH2)4, R1 = 4-MeO2C, R2 = H; X = NTs, Z = CH2, CH2CH2, R1 = H, 4-MeO2C, R2 = H; etc.] to provide a nucleophilic alkyl radical intermediate, which enabled an intramol. endo addition exclusively to the ortho-position of the pyridinium salt to afford the corresponding functionalized pyridines II. Both secondary and tertiary alkyl radicals were well-suited for addition to the C2-position of pyridinium salts to ultimately provide synthetically valuable C2-fluoroalkyl functionalized pyridines. Moreover, the method was successfully applied to the reaction with P-centered radicals. The utility of this transformation was further demonstrated by the late-stage functionalization of complex bioactive mols.
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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