Literature DB >> 24457458

Ni(II)-salt catalyzed activation of primary amine-sp(3)Cα-H and cyclization with 1,2-diketone to tetrasubstituted imidazoles.

Srikanta Samanta1, Dipanwita Roy, Saikat Khamarui, Dilip K Maiti.   

Abstract

NiCl2·6H2O and Ni(OAc)2·4H2O were found as efficient catalysts for C-H activation of benzyl and aliphatic amines for an unprecedented multi C-N bond forming cyclization with 1,2-diketones under refluxing toluene to furnish highly substituted and polycyclic imidazoles.

Entities:  

Year:  2014        PMID： 24457458     DOI： 10.1039/c3cc48437h

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


  2 in total

1.  An efficient green protocol for the synthesis of 1,2,4,5-tetrasubstituted imidazoles in the presence of ZSM-11 zeolite as a reusable catalyst.

Authors:  Sudarshan S Dipake; Vijayanand D Ingale; Sonali A Korde; Machhindra K Lande; Anjali S Rajbhoj; Suresh T Gaikwad
Journal:  RSC Adv       Date:  2022-02-02       Impact factor: 3.361

2.  An eco-compatible pathway to the synthesis of mono and bis-multisubstituted imidazoles over novel reusable ionic liquids: an efficient and green sonochemical process.

Authors:  Wael Abdelgayed Ahmed Arafa
Journal:  RSC Adv       Date:  2018-05-03       Impact factor: 4.036
  2 in total

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