Solvent-free and room temperature visible light-induced C–H activation: CdS as a highly efficient photo-induced reusable nano-catalyst for the C–H functionalization cyclization of t-amines and C–C double and triple bonds

2018 ◽  
Vol 20 (24) ◽  
pp. 5540-5549 ◽  
Author(s):  
Somayeh Firoozi ◽  
Mona Hosseini-Sarvari ◽  
Mehdi Koohgard

Nano-sized CdS was successfully prepared, fully characterized and applied as a highly efficient reusable photocatalyst for the condensation of tertiary amines with double and triple bonds via a C–H activation approach.

RSC Advances ◽  
2016 ◽  
Vol 6 (59) ◽  
pp. 54236-54240 ◽  
Author(s):  
Seyed Mohsen Sadeghzadeh

A green and efficient method for the synthesis of various triazolo[1,2-a]indazoletrione under mild conditions is reported, that making it a genuinely green protocol.


2016 ◽  
Vol 14 (31) ◽  
pp. 7447-7450 ◽  
Author(s):  
Xiaoqian Yuan ◽  
Xinxin Wu ◽  
Shupeng Dong ◽  
Guibing Wu ◽  
Jinxing Ye

We report herein a highly efficient intramolecular coupling reaction of tertiary amines and ketones (α,β-unsaturated ketones) by using a Brønsted acid as a cocatalyst, affording 2-arylindols in good to excellent yields (up to 92%) under visible light irradiation at room temperature.


2017 ◽  
Vol 19 (3) ◽  
pp. 844-852 ◽  
Author(s):  
Priti Sharma ◽  
Yoel Sasson

Photocatalyst Ru–g-C3N4advantages: no base use, room temperature, visible light, solvent free, nontoxic, stable, recyclable reaction process.


2017 ◽  
Vol 19 (6) ◽  
pp. 1576-1585 ◽  
Author(s):  
Ramen Jamatia ◽  
Ajay Gupta ◽  
Binoyargha Dam ◽  
Mithu Saha ◽  
Amarta Kumar Pal

We report a sustainable and metal free carbocatalyst, graphite oxide, for the synthesis of 1,5-benzodiazepines under room temperature and solvent free heating conditions.


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