Iron(II) Bromide-Catalyzed Synthesis of Benzimidazoles from Aryl Azides
作者:Meihua Shen、Tom G. Driver
DOI:10.1021/ol801227f
日期:2008.8.7
The identity of the ortho-substituent of an arylazide influences its reactivity toward transition metals. Substitution of a vinyl group with an imine disables rhodium(II)-mediated C-H amination and triggers a Lewis acid mechanism catalyzed by iron(II) bromide to facilitate benzimidazole formation.
This invention relates to a family of phenylbenzimidazole analogs, which are inhibitors of the IgE response to allergens. These compounds are useful in the treatment of allergy and/or asthma or any diseases where IgE is pathogenic.
A simple and straightforward synthesis of substituted 2-arylbenzimidazoles over silica gel
作者:Amit K. Chaturvedi、Arvind S. Negi、Puja Khare
DOI:10.1039/c3ra22435j
日期:——
A solid phase strategy for the synthesis of substituted 2-arylbenzimidazoles oversilicagel has been achieved starting from their corresponding o-phenylenediamines 1 and aromatic aldehydes 2. The reaction is very simple, convenient and straightforward, and the products are obtained in moderate to high yields (49–91%).
This invention relates to a family of benzimidazole analogs, which are inhibitors of the IgF response to allergens. These compounds are useful in the treatment of allergy, asthma, or any diseases where IgE is pathogenic.
This invention relates to a family of diacyl benzimidazole analogs, which are inhibitors of the IgE response to allergens. These compounds are useful in the treatment of allergy and/or asthma or any diseases where IgE is pathogenic. They have the following general structure
where the substituents have the claimed values.