Rapid Access to Halohydrofurans via Brønsted Acid-Catalyzed Hydroxylation/Halocyclization of Cyclopropyl Methanols with Water and Electrophilic Halides

2011 ◽  
Vol 76 (8) ◽  
pp. 2521-2531 ◽  
Author(s):  
Srinivasa Reddy Mothe ◽  
Prasath Kothandaraman ◽  
Weidong Rao ◽  
Philip Wai Hong Chan
Keyword(s):  
Bronsted Acid ◽  
Brønsted Acid ◽  
Rapid Access ◽  
Brönsted Acid ◽  
Acid Catalyzed

scholarly journals Enantioselective PCCP Brønsted acid-catalyzed aza-Piancatelli rearrangement

2019 ◽  
Vol 15 ◽  
pp. 1569-1574 ◽  
Author(s):  
Gabrielle R Hammersley ◽  
Meghan F Nichol ◽  
Helena C Steffens ◽  
Jose M Delgado ◽  
Gesine K Veits ◽  
...  
Keyword(s):  
Building Blocks ◽  
Starting Material ◽  
Bronsted Acid ◽  
Brønsted Acid ◽  
Rapid Access ◽  
Brönsted Acid ◽  
Acid Catalyzed ◽  
Chiral Bronsted Acid

An enantioselective aza-Piancatelli rearrangement has been developed using a chiral Brønsted acid based on pentacarboxycyclopentadiene (PCCP). This reaction provides rapid access to valuable chiral 4-amino-2-cyclopentenone building blocks from readily available starting material and is operationally simple.

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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