So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Zhu, Cuiju; Kuniyil, Rositha; Jei, Becky B.; Ackermann, Lutz researched the compound: 2-Phenylpyridine( cas:1008-89-5 ).Electric Literature of C11H9N.They published the article 《Domino C-H Activation/Directing Group Migration/Alkyne Annulation: Unique Selectivity by d6-Cobalt(III) Catalysts》 about this compound( cas:1008-89-5 ) in ACS Catalysis. Keywords: domino bond activation pyridine directing group migration alkyne annulation; cobalt catalyst. We’ll tell you more about this compound (cas:1008-89-5).
Distinct selectivity control in Cp*CoIII-catalyzed domino C-H activation/pyridine directing group migration/alkyne annulation has been accomplished through the nucleophilicity of an organometallic cobalt intermediate with a d6 electron configuration. Detailed mechanistic studies provided compelling evidence for a facile C-H activation along with a favorable migration of the directing group for the Cp*CoIII catalysis, rather than the β-oxygen elimination observed for a (CO)3MnI manifold.
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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