Synthesis of Disubstituted γ-Butyrolactones and Spirocyclopropanes via Multicomponent Reaction of Aldehydes, Meldrum’s Acid and Sulfoxonium Ylides

Author(s):  
Shan-Shan Li ◽  
Qi Qin ◽  
Zhuang Qi ◽  
Li-Miao Yang ◽  
Yun Kang ◽  
...  

An efficient synthesis of disubstituted γ-butyrolactones and spirocyclopropanes via multicomponent reaction of aldehydes, Meldrum’s acid and sulfoxonium ylides has been developed. Under mild conditions, electron-rich aromatic aldehydes reacted with Meldrum’s...

2019 ◽  
Vol 17 (9) ◽  
pp. 2554-2563 ◽  
Author(s):  
Gongutri Borah ◽  
Pitambar Patel

The first report on Ir(iii)-catalyzed C–H alkylation/cyclization of azobenzene with diazotized Meldrum's acid was developed for the synthesis of cinnoline-3(2H)-one-4-carboxylic acid and its ester derivative under mild conditions.


Tetrahedron ◽  
2015 ◽  
Vol 71 (5) ◽  
pp. 863-868 ◽  
Author(s):  
Xinwei He ◽  
Yongjia Shang ◽  
Yao Zhou ◽  
Zhiyu Yu ◽  
Guang Han ◽  
...  

Synthesis ◽  
2019 ◽  
Vol 52 (02) ◽  
pp. 304-310 ◽  
Author(s):  
Lin-Lin Zhang ◽  
Meng-Tian Li ◽  
Liang-Liang Shen ◽  
Qin-Pei Wu

A sequential multistep reaction toward 5-trifluoromethyl­thio-1,2,3-triazoles has been established, starting from alkynes, organo­azides, S8, and (trifluoromethyl)trimethylsilane (TMSCF3). This reaction features mild conditions, easy operation, and readily available substrates.


Sign in / Sign up

Export Citation Format

Share Document