Isocyano(triphenylphosphoranylidene)acetates: Key to the One-Pot Synthesis of Oxazolo[4,5-c]quinoline Derivatives via a Sequential Ugi/Wittig/aza-Wittig Cyclization Process

2019 ◽  
Vol 84 (22) ◽  
pp. 14911-14918 ◽  
Author(s):  
Zhi-Lin Ren ◽  
Wen-Ting Lu ◽  
Shuang Cai ◽  
Mi-Mi Xiao ◽  
Yue-Fei Yuan ◽  
...  
2020 ◽  
Vol 24 (20) ◽  
pp. 2341-2355
Author(s):  
Thaipparambil Aneeja ◽  
Sankaran Radhika ◽  
Mohan Neetha ◽  
Gopinathan Anilkumar

One-pot syntheses are a simple, efficient and easy methodology, which are widely used for the synthesis of organic compounds. Imidazoline is a valuable heterocyclic moiety used as a synthetic intermediate, chiral auxiliary, chiral catalyst and a ligand for asymmetric catalysis. Imidazole is a fundamental unit of biomolecules that can be easily prepared from imidazolines. The one-pot method is an impressive approach to synthesize organic compounds as it minimizes the reaction time, separation procedures, and ecological impact. Many significant one-pot methods such as N-bromosuccinimide mediated reaction, ring-opening of tetrahydrofuran, triflic anhydrate mediated reaction, etc. were reported for imidazoline synthesis. This review describes an overview of the one-pot synthesis of imidazolines and covers literature up to 2020.


2001 ◽  
Vol 2001 (4) ◽  
pp. 160-161 ◽  
Author(s):  
Hongyun Guo ◽  
Yunfa Zheng ◽  
Yongmin Zhang

α-Selenonitriles, α-selenoesters, and asymmetrical selenides can be readily obtained from the one-pot reaction of diselenides and active organic halides by a Sm/ZnCl2 system in DMF-H2O.


2012 ◽  
Vol 36 (1) ◽  
pp. 5-8 ◽  
Author(s):  
Gargi Pal ◽  
Pranabes Bhattacharyya ◽  
Arunima Medda ◽  
Asish R. Das

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