Highly efficient synthesis of flavones via Pd/C-catalyzed cyclocarbonylation of 2-iodophenol with terminal acetylenes

2016 ◽  
Vol 6 (9) ◽  
pp. 2905-2909 ◽  
Author(s):  
Fengxiang Zhu ◽  
Yahui Li ◽  
Zechao Wang ◽  
Xiao-Feng Wu

A highly efficient and selective Pd/C-catalyzed carbonylation reaction for the synthesis of flavones has been developed. Various flavone derivatives were isolated in excellent yields with excellent functional group tolerances. The catalyst is reusable, and no phosphine ligand or inert gas protection is needed.

Synthesis ◽  
2018 ◽  
Vol 50 (11) ◽  
pp. 2191-2199 ◽  
Author(s):  
Yongde Zhao ◽  
Shengqiang Guo ◽  
Yang Zhou ◽  
Bencai Dai ◽  
Cuimeng Huo ◽  
...  

A concise one-pot three-component reaction of organic halides­, terminal acetylenes, and sodium azide provided an efficient route for the synthesis of 1,2,3-triazoles. A variety of 1,2,3-triazoles were prepared in good to excellent yields with green solvent glycerol. This procedure used CuI and diethylamine, which are two easily available reagents as the new catalytic system at room temperature.


ChemInform ◽  
2000 ◽  
Vol 31 (44) ◽  
pp. no-no
Author(s):  
Zsolt Szarka ◽  
Rita Skoda-Foeldes ◽  
Laszlo Kollar ◽  
Zoltan Berente ◽  
Judit Horvath ◽  
...  

Tetrahedron ◽  
2000 ◽  
Vol 56 (29) ◽  
pp. 5253-5257 ◽  
Author(s):  
Zsolt Szarka ◽  
Rita Skoda-Földes ◽  
László Kollár ◽  
Zoltán Berente ◽  
Judit Horváth ◽  
...  

2014 ◽  
Vol 34 (1) ◽  
pp. 243-250
Author(s):  
Jianghong DING ◽  
Le XU ◽  
Hao XU ◽  
Haihong WU ◽  
Yueming LIU ◽  
...  

2013 ◽  
Vol 17 (3) ◽  
pp. 283-295 ◽  
Author(s):  
Jadwiga Soloducho ◽  
Joanna Cabaj ◽  
Kamila Olech ◽  
Przemyslaw Data ◽  
Mieczyslaw Lapkowski

2020 ◽  
Vol 17 ◽  
Author(s):  
Kalyani K. ◽  
Srinivasa Reddy Kallam

Abstract:: An efficient synthesis of 2-substituted Quinazolin-4(3H)-ones has been developed from isatoic anhydride with various amidoximes by using recyclable polymer supported sulphonic acid catalyst. Excellent functional group compatibil-ity and high yields are the important features of this protocol.


2011 ◽  
Vol 24 (6) ◽  
pp. 745-752 ◽  
Author(s):  
Song-bai Qiu ◽  
Yong Xu ◽  
Tong-qi Ye ◽  
Fei-yan Gong ◽  
Zhi Yang ◽  
...  

Author(s):  
Hongxing Wang ◽  
Guoqiang Ding ◽  
Xianqing Li ◽  
Haohao She ◽  
Yulei Zhu ◽  
...  

γ-valerolactone (GVL) and δ-valerolactone (DVL) are valuable chemicals that can be obtained by catalytic processes from nonedible lignocellulose biomass. However, highly efficient synthesis of GVL and DVL in an environmentally...


Sign in / Sign up

Export Citation Format

Share Document