Brønsted acid-catalyzed homogeneous O–H and S–H insertion reactions under metal- and ligand-free conditions

2021 ◽  
Author(s):  
Zhipeng Zhang ◽  
Zhiqin He ◽  
Yuxing Xie ◽  
Tiantong He ◽  
Yaofeng Fu ◽  
...  
Keyword(s):  
Diazo Compounds ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Insertion Reactions ◽  
Brönsted Acid ◽  
Ligand Free ◽  
Acid Catalyzed ◽  
Hydroxyl Compounds

The economical and accessible CF3SO3H successfully catalyzed homogeneous O–H and S–H bond insertion reactions between hydroxyl compounds, thiols and diazo compounds under metal- and ligand-free conditions.

Silica-supported HClO4 promotes catalytic solvent- and metal-free O–H insertion reactions with diazo compounds

2018 ◽  
Vol 20 (19) ◽  
pp. 4547-4556 ◽  
Author(s):  
Rafael Douglas C. Gallo ◽  
Antonio C. B. Burtoloso
Keyword(s):  
Diazo Compounds ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Insertion Reactions ◽  
Metal Free ◽  
Brönsted Acid

An eco-friendly and metal-free protocol to perform O–H insertion reactions, using only 0.3 mol% of a recyclable silica-immobilized BrØnsted acid is described.

Synthetic Scope of Brønsted Acid-Catalyzed Reactions of Carbonyl Compounds and Ethyl Diazoacetate

2021 ◽  
Author(s):  
Mizzanoor Rahaman ◽  
M. Shahnawaz Ali ◽  
Khorshada Jahan ◽  
Damon Hinz ◽  
Jawad Bin Belayet ◽  
...  
Keyword(s):  
Carbonyl Compounds ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Ethyl Diazoacetate ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Catalyzed Reactions

Brønsted Acid-Catalyzed Friedel-Crafts-type Alkylation of Arenes with αAryl Diazoacetates

2021 ◽  
pp. 152751
Author(s):  
Wenming Chen ◽  
Guifang Chen ◽  
Biao Wang ◽  
Wei Wang ◽  
Wei Huang ◽  
...  
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Acid Catalyzed

Brønsted Acid Catalyzed (4 + 2) Cyclocondensation of 3-Substituted Indoles with Donor–Acceptor Cyclopropanes

2021 ◽  
Author(s):  
Alesandere Ortega ◽  
Uxue Uria ◽  
Tomás Tejero ◽  
Liher Prieto ◽  
Efraim Reyes ◽  
...  
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Brönsted Acid ◽  
Donor Acceptor ◽  
Acid Catalyzed
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