Application In Synthesis of 1-(2-Bromophenyl)-1H-pyrazole. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 1-(2-Bromophenyl)-1H-pyrazole, is researched, Molecular C9H7BrN2, CAS is 87488-84-4, about Dehydrative Cp*Co(III)-Catalyzed C-H Bond Allenylation. Author is Sen, Malay; Dahiya, Pardeep; Premkumar, J. Richard; Sundararaju, Basker.
An efficient, unprecedented reactivity of Cp*Co(III) for the synthesis of tetrasubstituted allenes under mild conditions is disclosed. Electron-rich and highly nucleophilic cobalt facilitates the dehydrative C-H bond allenylation directly from propargylic alcs. without any derivatization. The reaction proceeds via reversible cyclometalation followed by alc.-directed regioselective alkyne insertion and β-hydroxy elimination to provide the tetrasubstituted allenes.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem