Metal-Free Brønsted Acid-Catalyzed Rearrangement of δ-Hydroxyalkynones to 2,3-Dihydro-4H-pyran-4-ones: Total Synthesis of Obolactone and a Catechol Pyran Isolated from Plectranthus sylvestris

2019 ◽  
Vol 84 (6) ◽  
pp. 3537-3551 ◽  
Author(s):  
Sachin P. Gholap ◽  
Dashrath Jangid ◽  
Rodney A. Fernandes
Keyword(s):  
Total Synthesis ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Metal Free ◽  
Brönsted Acid ◽  
Acid Catalyzed

Brønsted Acid-Catalyzed Solvent-Controlled Regioselective Hydrothiolation and Diastereoselective Cascade Cyclization of Dienes

2021 ◽  
Author(s):  
Kai Ji ◽  
Ka Lu ◽  
Jie Huang ◽  
Zi-Hao Li ◽  
Tong-Mei Ding ◽  
...  
Keyword(s):  
Free Atom ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Metal Free ◽  
Cascade Cyclization ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
First Time

A highly regio- and diastereo-selective Brønsted acid-catalyzed tandem hydrothiolation/Friedel-Crafts reaction of linear 1,3-dienes has been developed for the first time, which provides a metal-free, atom-economic and concise way of constructing...

scholarly journals Brønsted acid-catalyzed metal-free one-pot synthesis of benzimidazoles via [4+1] heteroannulation of ortho-phenylenediamines with β-oxodithioesters

ARKIVOC ◽  
2017 ◽  
Vol 2018 (2) ◽  
pp. 81-89
Author(s):  
Abhijeet Srivastava ◽  
Gaurav Shukla ◽  
Dhananjay Yadav ◽  
Maya Shankar Singh
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
One Pot ◽  
Metal Free ◽  
One Pot Synthesis ◽  
Brönsted Acid ◽  
Acid Catalyzed

Metal-Free, Brønsted Acid-Catalyzed Formal [3+2] Annulation of Quinone Monoacetals with 2-Naphthols

2017 ◽  
Vol 82 (20) ◽  
pp. 11269-11274 ◽  
Author(s):  
Anu Jacob ◽  
Tony Roy ◽  
Trinadh Kaicharla ◽  
Akkattu T. Biju
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Metal Free ◽  
Brönsted Acid ◽  
Acid Catalyzed

Metal-Free Brønsted Acid Catalyzed Formal [3 + 3] Annulation. Straightforward Synthesis of Dihydro-2H-Chromenones, Pyranones, and Tetrahydroquinolinones

2009 ◽  
Vol 74 (23) ◽  
pp. 8963-8973 ◽  
Author(s):  
Julie Moreau ◽  
Claudie Hubert ◽  
Jessika Batany ◽  
Loic Toupet ◽  
Thierry Roisnel ◽  
...  
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Metal Free ◽  
Brönsted Acid ◽  
Acid Catalyzed

Metal-free C8–H functionalization of quinoline N-oxides with ynamides

2021 ◽  
Author(s):  
Weican Hu ◽  
Feiyang Zhang ◽  
Chen Chen ◽  
Tianhang Qi ◽  
Yanlong Shen ◽  
...  
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Metal Free ◽  
Type Reaction ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
First Time

The metal-free C8–H functionalization of quinoline N-oxides with ynamides are unveiled for the first time by the intramolecular Friedel–Crafts-type reaction of quinolyl enolonium intermediates generated from Brønsted acid-catalyzed addition of...

Chiral Brønsted Acid-Catalyzed Metal-Free Asymmetric Direct Reductive Amination Using 1-Hydrosilatrane

2019 ◽  
Vol 84 (9) ◽  
pp. 5021-5026 ◽  
Author(s):  
Vladislav Skrypai ◽  
Sami E. Varjosaari ◽  
Fawwaz Azam ◽  
Thomas M. Gilbert ◽  
Marc J. Adler
Keyword(s):  
Reductive Amination ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Metal Free ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Chiral Bronsted Acid

Metal-Free Brønsted Acid Catalyzed Transfer Hydrogenation - New Organocatalytic Reduction of Quinolines

Synlett ◽  
2006 ◽  
Vol 2006 (07) ◽  
pp. 1071-1074 ◽  
Author(s):  
Magnus Rueping ◽  
Thomas Theissmann ◽  
Andrey Antonchick
Keyword(s):  
Transfer Hydrogenation ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Metal Free ◽  
Brönsted Acid ◽  
Acid Catalyzed

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
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