Chiral Lewis acid-catalyzed enantioselective cyclopropanation and C–H insertion reactions of vinyl ketones with α-diazoesters

2018 ◽  
Vol 54 (70) ◽  
pp. 9837-9840 ◽  
Author(s):  
Peng Zhao ◽  
Simeng Wu ◽  
Chaoqi Ke ◽  
Xiaohua Liu ◽  
Xiaoming Feng

N,N′-Dioxide-scandium(iii) complex catalyzed cyclopropanation and C–H insertion reaction between α-substituted vinyl ketones and α-diazoesters in high yield and enantioselectivity.

2021 ◽  
Author(s):  
Peiran Ruan ◽  
Qiong Tang ◽  
Zun Yang ◽  
Xiaohua Liu ◽  
Xiaoming Feng

A chiral Lewis acid-catalyzed enantioselective formal [2+2+2] cycloaddition of 1,3,5-triazinanes with azlactones or β,γ-unsaturated pyrazole amides were developed to synthesize chiral tertiary/quaternary tetrahydropyrimidin-4-one derivatives with good yields and enantioselectivities. Two...


Author(s):  
Changqiang He ◽  
Zhikun Wu ◽  
Yuqiao Zhou ◽  
Weidi Cao ◽  
Xiaoming Feng

Chiral Lewis acid-catalyzed enantioselective nitrooxylation of cyclic and acyclic β-keto amides/esters with hypervalent iodine(III) reagents is reported. A number of α-nitrooxy-β-keto amides/esters were obtained with good yields and high enantioselectivities...


ChemInform ◽  
2015 ◽  
Vol 46 (46) ◽  
pp. no-no
Author(s):  
Hiroyuki Suga ◽  
Yurie Sekikawa ◽  
Shunta Misawa ◽  
Daito Kinugawa ◽  
Rinnosuke Oda ◽  
...  

ChemInform ◽  
2014 ◽  
Vol 45 (24) ◽  
pp. no-no
Author(s):  
Xiaoyu Hao ◽  
Xiaohua Liu ◽  
Wei Li ◽  
Fei Tan ◽  
Yangyang Chu ◽  
...  

2018 ◽  
Vol 130 (49) ◽  
pp. 16408-16411 ◽  
Author(s):  
Fei Tan ◽  
Xiaohua Liu ◽  
Yan Wang ◽  
Shunxi Dong ◽  
Han Yu ◽  
...  

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