Acid-Catalyzed Cascade Reaction of 2-Alkylfurans with α,β-Unsaturated Ketones: A Shortcut to 2,3,5-Trisubstituted Furans

2021 ◽  
Author(s):  
Alexander A. Fadeev ◽  
Anton S. Makarov ◽  
Maxim G. Uchuskin
Keyword(s):  
Cascade Reaction ◽  
Unsaturated Ketones ◽  
Acid Catalyzed ◽  
Trisubstituted Furans

Chemoenzymatic cascade for stilbene production from cinnamic acid catalyzed by ferulic acid decarboxylase and an artificial metathease

2019 ◽  
Vol 9 (20) ◽  
pp. 5572-5576 ◽  
Author(s):  
M. A. Stephanie Mertens ◽  
Daniel F. Sauer ◽  
Ulrich Markel ◽  
Johannes Schiffels ◽  
Jun Okuda ◽  
...  
Keyword(s):  
Ferulic Acid ◽  
Cinnamic Acid ◽  
Olefin Metathesis ◽  
Metal Contamination ◽  
Cascade Reaction ◽  
Acid Decarboxylase ◽  
Efficient Removal ◽  
Ferulic Acid Decarboxylase ◽  
Acid Catalyzed ◽  
Removal Of Metal

We report a chemoenzymatic cascade reaction for stilbene production combining decarboxylation and olefin metathesis with efficient removal of metal contamination.

ChemInform Abstract: Lewis Acid Catalyzed Cascade Reaction to Carbazoles and Naphthalenes via Dehydrative [3 + 3]-Annulation.

ChemInform ◽  
2014 ◽  
Vol 45 (52) ◽  
pp. no-no
Author(s):  
Shaoyin Wang ◽  
Zhuo Chai ◽  
Yun Wei ◽  
Xiancui Zhu ◽  
Shuangliu Zhou ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Cascade Reaction ◽  
Acid Catalyzed

Simple Access to α, β Unsaturated Ketones by Acid-Catalyzed Solvent-Free Reactions

1999 ◽  
Vol 29 (20) ◽  
pp. 3651-3657 ◽  
Author(s):  
Erwan Le Gall ◽  
Françoise Texier-Boullet ◽  
Jack Hamelin
Keyword(s):  
Solvent Free ◽  
Unsaturated Ketones ◽  
Acid Catalyzed

Acid-catalyzed rearrangements and additions of .beta.,.gamma.-unsaturated ketones

1972 ◽  
Vol 37 (1) ◽  
pp. 78-84 ◽  
Author(s):  
R. L. Cargill ◽  
M. E. Beckham ◽  
J. R. Damewood ◽  
D. M. Pond ◽  
W. A. Bundy ◽  
...  
Keyword(s):  
Unsaturated Ketones ◽  
Acid Catalyzed

De novo synthesis of benzofurans via trifluoroacetic acid catalyzed cyclization/oxidative aromatization cascade reaction of 2-hydroxy-1,4-diones

2019 ◽  
Vol 17 (32) ◽  
pp. 7547-7551 ◽  
Author(s):  
Qiang Sha ◽  
Haixuan Liu
Keyword(s):  
Trifluoroacetic Acid ◽  
De Novo ◽  
Cascade Reaction ◽  
De Novo Synthesis ◽  
Simple Metal ◽  
Metal Free ◽  
Aromatization Reaction ◽  
Oxidative Aromatization ◽  
Acid Catalyzed

A simple metal-free cyclization/oxidative aromatization reaction starting from 2-hydroxy-1,4-diones for the de novo synthesis of benzofurans was developed.

Cut and sew: benzofuran-ring-opening enabled cyclopentenone ring formation

2020 ◽  
Vol 56 (84) ◽  
pp. 12817-12820
Author(s):  
Kai Wang ◽  
Chenghao Jiang ◽  
Zhenming Zhang ◽  
Chunyu Han ◽  
Xuewei Wang ◽  
...  
Keyword(s):  
Ring Opening ◽  
Cascade Reaction ◽  
Ring Formation ◽  
Acid Catalyzed

A broad range of fully substituted cyclopentenones are constructed efficiently via an acid catalyzed cascade reaction involving an unprecedented benzofuran-ring-opening.

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