A metal-free method for facile synthesis of indanones via intramolecular hydroacylation of 2-vinylbenzaldehydes

2021 ◽  
Author(s):  
Guoxue He ◽  
Jinyu Ma ◽  
Jianhui Zhou ◽  
Chunpu Li ◽  
Hong Liu ◽  
...  
Keyword(s):  
Transition Metal ◽  
Environmentally Benign ◽  
Facile Synthesis ◽  
Metal Free ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed

A facile method access to indanones was developed under metal- and additive-free conditions in which L-proline served as efficient and environmentally benign catalysts. Compared with previous indanones synthesis by transition-metal-catalyzed...

Facile synthesis of N-aryl phenothiazines and phenoxazines via Brønsted acid catalyzed C−H amination of arenes

2022 ◽  
Author(s):  
Wang Xia ◽  
Zi-An Zhou ◽  
Jie Lv ◽  
Shao-Hua Xiang ◽  
Yong-Bin Wang ◽  
...  
Keyword(s):  
Transition Metal ◽  
Cross Coupling ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Facile Synthesis ◽  
Synthetic Strategy ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed

N-aryl phenothiazines and phenoxazines are of significant importance in various disciplines throughout academia and industry. Conventional synthetic strategy for the construction of these structures centers on transition-metal-catalyzed cross-coupling of aryl...

Copper-catalyzed N-(hetero)arylation of amino acids in water

RSC Advances ◽  
2016 ◽  
Vol 6 (99) ◽  
pp. 96762-96767 ◽  
Author(s):  
Krishna K. Sharma ◽  
Meenakshi Mandloi ◽  
Neha Rai ◽  
Rahul Jain
Keyword(s):  
Amino Acids ◽  
Transition Metal ◽  
Cost Effective ◽  
Environmentally Benign ◽  
Cost Effective Method ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed

A transition metal-catalyzed, environmentally benign, rapid and cost-effective method for the N-(hetero)arylation of zwitterionic amino acids in water is reported.

Formal nucleophilic borylation and borylative cyclization of organic halides

2017 ◽  
Vol 15 (2) ◽  
pp. 285-300 ◽  
Author(s):  
K. Kubota ◽  
H. Iwamoto ◽  
H. Ito
Keyword(s):  
Transition Metal ◽  
Metal Free ◽  
Recent Advances ◽  
Organic Halides ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed

Recent advances in borylations of organic halides, including both transition-metal-catalyzed and metal-free methods are summarized. Borylative cyclization is also discussed.

scholarly journals Trifluoromethanesulfonyl Azide as a Bifunctional Reagent for Metal-Free Azidotrifluoromethylation of Unactivated Alkenes

2021 ◽  
Author(s):  
Honggui Huang ◽  
Weishuang Li ◽  
Dayou Zhong ◽  
Hu-Chong Wang ◽  
Jing Zhao ◽  
...  
Keyword(s):  
Transition Metal ◽  
Drug Development ◽  
Organic Synthesis ◽  
Metal Free ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed

Vicinal trifluoromethyl azides have widespread applications in organic synthesis and drug development. However, their preparation is generally limited to transition-metal-catalyzed three-component reactions. We report a simple and metal-free method that...

Transition metal-free C-3 functionalization of quinoxalin-2(1H)-ones: recent advances and sanguine future

2021 ◽  
Author(s):  
Kiran ◽  
Payal Rani ◽  
Sandhya Chahal ◽  
Jayant Sindhu ◽  
Sudhir Kumar ◽  
...  
Keyword(s):  
Transition Metal ◽  
Environmentally Benign ◽  
Metal Free ◽  
Gradual Shift ◽  
Recent Advances ◽  
Metal Catalyzed

A gradual shift from metal-catalyzed to metal-free methods is occurring, as the latter are more environmentally benign. This review discusses sustainable protocols for the construction of C–C, C–N, C–P, C–S, and C–O bonds via C–H functionalization of quinoxalin-2(1H)-ones.

Sign in / Sign up

Export Citation Format

Share Document