1345509-63-8Relevant articles and documents
Facile Synthesis of Polysubstituted Imidazoles through CBr4-Mediated Tandem Cyclization of Amidines with 1,3-Dicarbonyl Compounds or Ketones
Zhou, Xiaoqiang,Ma, Haojie,Shi, Chong,Zhang, Yixin,Liu, XingXing,Huang, Guosheng
, p. 237 - 240 (2017)
Polysubstituted imidazoles were synthesized in a facile metal-free CBr4-mediated tandem cyclization of amidine with 1,3-dicarbonyl compounds or ketones. The desired products were obtained in moderate to good yields by using simple operation tec
A practical metal-free route to 1,2,4,5-tetrasubstituted imidazoles derivatives from the annulation of amidines and β-keto esters
Zhang, Xueguo,Wu, Ping,Fu, Yajie,Zhang, Fangdong,Chen, Baohua
supporting information, p. 870 - 873 (2017/02/18)
A new practical carbon-nitrogen bond formation reaction of amidines with ethyl acetoacetate to synthesize imidazoles via oxidative cyclization in the presence of bromide. The reactions were occured under mild and metal-free conditions.
Catalyst-free preparation of 1,2,4,5-tetrasubstituted imidazoles from a novel unexpected domino reaction of 2-azido acrylates and nitrones
Hu, Bao,Wang, Zhao,Ai, Ning,Zheng, Jie,Liu, Xing-Hai,Shan, Shang,Wang, Zhongwen
experimental part, p. 6362 - 6365 (2012/01/14)
A highly efficient and convenient method for the synthesis of 1,2,4,5-tetrasubstituted imidazoles from readily accessible 2-azido acrylates and nitrones has been developed. This reaction proceeded under mild conditions without the assistance of any metal,