Substituted benzimidazoles, processes for their preparation, their use as medicaments, and medicaments comprising them
申请人:——
公开号:US20020132842A1
公开(公告)日:2002-09-19
The invention relates to the use of compounds of formula I for the production of a medicament for the treatment of illnesses which can be influenced by inhibition of the Na+/H+ exchanger, and to a medicament comprising them.
1
in which R1 to R9 have the meanings shown in the claims.
A one-pot method for the synthesis of 2-aminobenzimidazoles and related heterocycles
作者:Victor J. Cee、Nicholas S. Downing
DOI:10.1016/j.tetlet.2006.03.112
日期:2006.5
A rapid and efficient one-pot method for the synthesis of 2-aminobenzimidazoles and related heterocycles is described. The reaction is mediated by a polymer-supported carbodiimide, which simplifies product isolation. The scope and limitations of this method are described.
Copper-Promoted One-Pot Approach: Synthesis of Benzimidazoles
作者:S. N. Murthy Boddapati、Ramana Tamminana、Ravi Kumar Gollapudi、Sharmila Nurbasha、Mohamed E. Assal、Osamah Alduhaish、Mohammed Rafiq H. Siddiqui、Hari Babu Bollikolla、Syed Farooq Adil
DOI:10.3390/molecules25081788
日期:——
first time on a copper catalyst promoted domino C–N cross-coupling reaction for the generation of 2-arylaminobenzimidazoles. Mechanistic investigations revealed that the synthetic pathway involves a copper-based desulphurization/nucleophilicsubstitution and a subsequent domino intra and intermolecular C–N cross-coupling reactions. Some of the issues typically encountered during the synthesis of 2
Novel Synthesis of 2-Aminobenzimidazoles from Isoselenocyanates
作者:Yuanyuan Xie、Fan Zhang、Jianjun Li、Xiangjun Shi
DOI:10.1055/s-0029-1219395
日期:2010.4
An efficient one-pot procedure for the synthesis of 2-aminobenzimidazoles from isoselenocyanates and various substituted diamines is described. Precipitation of elemental selenium from the reaction mixture greatly simplifies the purification procedure and also allows it to be re-used for preparation of isoselenocyanates. A possible mechanism for the formation of 2-aminobenzimidazoles is proposed.