ChemInform Abstract: REACTIONS OF ELECTRON-RICH HETEROCYCLES WITH DERIVATIVES OF ORTHO CARBOXYLIC ACIDS. 4. REGIOSELECTIVE LEWIS ACID-INDUCED ELECTROPHILIC SUBSTITUTION OF METHYLINDOLES WITH TRIETHYL ORTHOFORMATE AND TRIETHYL TRITHIOORTHOFORMATE

1985 ◽  
Vol 16 (30) ◽  
Author(s):  
J. MUELLER ◽  
L. PFEUFFER ◽  
U. PINDUR
Keyword(s):  
Carboxylic Acids ◽  
Lewis Acid ◽  
Electrophilic Substitution ◽  
Triethyl Orthoformate ◽  
Derivatives Of

Dinuclear Zinc-Catalyzed Enantioselective Formal [3+2] Cycloaddition of N-2,2,2-Trifluoroethylisatin Ketimines with Low Reactive Aurone Derivatives

2021 ◽  
Author(s):  
Rui-Li Wang ◽  
Shi-Kun Jia ◽  
Ya-Jun Guo ◽  
Yang Yi ◽  
Yuan-Zhao Hua ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Brønsted Base ◽  
Derivatives Of

Highly enantioselective formal [3+2] cycloaddition of N-2,2,2-trifluoroethylisatin ketimines with aurone derivatives of low reactivity by chiral dinuclear zinc catalysts has been developed via a Brønsted base and Lewis acid cooperative...

ChemInform Abstract: Heterocyclic Analogues of 5,12-Naphthacenequinone. Part 12. Synthesis of 2-Substituted Derivatives of 4,11-Dimethoxy-5,10-dioxoanthra[2,3-b]furan-3-carboxylic Acids.

ChemInform ◽  
2014 ◽  
Vol 45 (44) ◽  
pp. no-no
Author(s):  
A. S. Tikhomirov ◽  
A. E. Shchekotikhin ◽  
Yu. N. Luzikov ◽  
A. M. Korolev ◽  
M. N. Preobrazhenskaya
Keyword(s):  
Carboxylic Acids ◽  
Derivatives Of

Conversion of nitroalkanes into carboxylic acids via iodide catalysis in water

2016 ◽  
Vol 52 (5) ◽  
pp. 1013-1016 ◽  
Author(s):  
Patricia Marcé ◽  
James Lynch ◽  
A. John Blacker ◽  
Jonathan M. J. Williams
Keyword(s):  
Carboxylic Acids ◽  
Lewis Acid

Carboxylic acids are prepared in good yields from nitroalkanes catalysed by a combination of a Lewis acid with iodide.

Heterocyclic Analogs of 5,12-Naphthacene-Quinone. 12. Synthesis of 2-Substituted Derivatives of 4,11-Dimethoxy-5,10-Dioxo-Anthra[2,3-b]Furan-3-Carboxylic Acids

2014 ◽  
Vol 50 (2) ◽  
pp. 271-280 ◽  
Author(s):  
A. S. Tikhomirov ◽  
A. E. Shchekotikhin ◽  
Yu. N. Luzikov ◽  
A. M. Korolev ◽  
M. N. Preobrazhenskaya
Keyword(s):  
Carboxylic Acids ◽  
Derivatives Of
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