Literature DB >> 25900258

DAST-promoted Beckmann rearrangement/intramolecular cyclization of acyclic ketoximes: access to 2-oxazolines, benzimidazoles and benzoxazoles.

Huiqin Li1, Jian Qin, Zonglian Yang, Xiaoxue Guan, Lin Zhang, Peiqiu Liao, Xingqi Li.   

Abstract

The first example of DAST-promoted Beckmann rearrangement/intramolecular cyclization of acyclic ketoximes is described. This unique protocol represents a direct and effective pathway to 2-oxazolines, benzimidazoles and benzoxazoles in moderate to good yields.

Entities:  

Year:  2015        PMID： 25900258     DOI： 10.1039/c5cc02155c

Source DB:  PubMed          Journal:  Chem Commun (Camb)        ISSN： 1359-7345            Impact factor:   6.222


  2 in total

1.  The selective synthesis of N-arylbenzene-1,2-diamines or 1-arylbenzimidazoles by irradiating 4-methoxy-4'-substituted-azobenzenes in different solvents.

Authors:  Po-Yi Chen; Chi-Wei Hsu; Tong-Ing Ho; Jinn-Hsuan Ho
Journal:  RSC Adv       Date:  2021-02-10       Impact factor: 3.361

2.  Diversity-Oriented Synthesis Catalyzed by Diethylaminosulfur-Trifluoride-Preparation of New Antitumor Ecdysteroid Derivatives.

Authors:  Máté Vágvölgyi; Endre Kocsis; Márta Nové; Nikoletta Szemerédi; Gabriella Spengler; Zoltán Kele; Róbert Berkecz; Tamás Gáti; Gábor Tóth; Attila Hunyadi
Journal:  Int J Mol Sci       Date:  2022-03-22       Impact factor: 5.923
  2 in total

北京卡尤迪生物科技股份有限公司 © 2022-2023.