The catalytic asymmetric synthesis of tetrahydropyridazines via inverse electron-demand aza-Diels–Alder reaction of enol ethers with azoalkenes

2015 ◽  
Vol 51 (84) ◽  
pp. 15374-15377 ◽  
Author(s):  
Liang Wei ◽  
Chun-Jiang Wang
Keyword(s):  
Asymmetric Synthesis ◽  
Good Yield ◽  
Alder Reaction ◽  
Diels Alder ◽  
Enol Ethers ◽  
Inverse Electron Demand ◽  
Catalytic Asymmetric Synthesis ◽  
Diels Alder Reaction ◽  
Catalytic Asymmetric ◽  
Electron Demand

A highly efficient catalytic asymmetric IEDDA reaction of azoalkenes with enol ethers is reported. This methodology provides a facile entry to biologically important tetrahydropyridazines in good yield with good to excellent ee.

Catalytic asymmetric inverse electron demand Diels–Alder reaction of fulvenes with azoalkenes

2018 ◽  
Vol 54 (20) ◽  
pp. 2506-2509 ◽  
Author(s):  
Liang Wei ◽  
Qiao Zhu ◽  
Zhi-Min Song ◽  
Kang Liu ◽  
Chun-Jiang Wang
Keyword(s):  
Good Yield ◽  
Alder Reaction ◽  
Diels Alder ◽  
Inverse Electron Demand ◽  
Diels Alder Reaction ◽  
Catalytic Asymmetric ◽  
Electron Demand

An unprecedented copper(i)-catalyzed asymmetric inverse electron demand Diels–Alder reaction of azoalkenes with fulvenes is reported. This methodology offers a directed entry to synthesize bicyclic tetrapyridazine derivatives in good yield with exclusive regioselectivity and excellent stereoselectivity.

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