Literature DB >> 25959721

N-Heterocyclic carbene-catalyzed [2+3] cyclocondensation of α-chloroaldehydes with azomethine imines.

Zhong-Hua Gao1, Xiang-Yu Chen, Jin-Tang Cheng, Wei-Lin Liao, Song Ye.   

Abstract

An N-heterocyclic carbene-catalyzed enantioselective [2+3] cyclocondensation of α-chloroaldehydes with azomethine imines was developed. The corresponding pyrazolidinones were obtained in good yields with moderate to good diastereoselectivities and excellent enantioselectivities.

Entities:  

Year:  2015        PMID： 25959721     DOI： 10.1039/c5cc01238d

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


  5 in total

1.  Alkaloid-Catalyzed Enantioselective [3 + 2] Cycloaddition of Ketenes and Azomethine Imines.

Authors:  Mukulesh Mondal; Kraig A Wheeler; Nessan J Kerrigan
Journal:  Org Lett       Date:  2016-08-08       Impact factor: 6.005

2.  [3 + 2]-Cycloadditions of Azomethine Imines and Ynolates.

Authors:  Sarah E Winterton; Joseph M Ready
Journal:  Org Lett       Date:  2016-05-24       Impact factor: 6.005

Review 3.  Synthesis of Non-Racemic Pyrazolines and Pyrazolidines by [3+2] Cycloadditions of Azomethine Imines.

Authors:  Franc Požgan; Hamad Al Mamari; Uroš Grošelj; Jurij Svete; Bogdan Štefane
Journal:  Molecules       Date:  2017-12-21       Impact factor: 4.411

4.  Desymmetrization of N-Cbz glutarimides through N-heterocyclic carbene organocatalysis.

Authors:  Zhouli Hu; Chenlong Wei; Qianqian Shi; Xianfang Hong; Jinhua Liu; Xiangui Zhou; Jinna Han; Wei Cao; Ashis Kumar Gupta; Xiaoxiang Zhang; Donghui Wei; Zhenqian Fu; Wei Huang
Journal:  Nat Commun       Date:  2022-07-13       Impact factor: 17.694

5.  Asymmetric Synthesis of Bicyclic Pyrazolidinones through Alkaloid-Catalyzed [3+2]-Cycloadditions of Ketenes and Azomethine Imines.

Authors:  Mukulesh Mondal; Shubhanjan Mitra; Dylan J Twardy; Manashi Panda; Kraig A Wheeler; Nessan J Kerrigan
Journal:  Chemistry       Date:  2022-03-14       Impact factor: 5.020
  5 in total

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