Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 2-(Pyridin-4-yl)-1H-benzo[d]imidazole, is researched, Molecular C12H9N3, CAS is 2208-59-5, about BF3·Et2O-promoted one-pot expeditious and convenient synthesis of 2-substituted benzimidazoles and 3,1,5-benzoxadiazepines.SDS of cas: 2208-59-5.
2-Substituted benzimidazoles, e.g., I, and 3,1,5-benzoxadiazepines, e.g., II, have been synthesized in excellent yields. The cyclodehydration of N-acyl-1,2-phenylenediamines and N,N’-diacyl-1,2-phenylenediamines, prepared in situ from the corresponding 1,2-phenylenediamines, with acid chlorides gave benzimidazoles and 3,1,5-benzoxadiazepines, resp.
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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