ChemInform Abstract: A New Synthesis of β,γ-Alkenyl Carboxylic Acids from α,β-Alkenyl Carboxylic Acid Chlorides and α,β-Alkenyl Aldehydes with One-Carbon Elongation.

ChemInform ◽  
2010 ◽  
Vol 33 (12) ◽  
pp. no-no
Author(s):  
Tsuyoshi Satoh ◽  
Akira Nakamura ◽  
Atsuko Iriuchijima ◽  
Yasumasa Hayashi ◽  
Ko-ichi Kubota
Keyword(s):  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Acid Chlorides ◽  
New Synthesis

A new synthesis of β,γ-alkenyl carboxylic acids from α,β-alkenyl carboxylic acid chlorides and α,β-alkenyl aldehydes with one-carbon elongation

Tetrahedron ◽  
2001 ◽  
Vol 57 (48) ◽  
pp. 9689-9696 ◽  
Author(s):  
Tsuyoshi Satoh ◽  
Akira Nakamura ◽  
Atsuko Iriuchijima ◽  
Yasumasa Hayashi ◽  
Ko-ichi Kubota
Keyword(s):  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Acid Chlorides ◽  
New Synthesis

scholarly journals Formamide catalyzed activation of carboxylic acids – versatile and cost-efficient amidation and esterification

2019 ◽  
Vol 10 (31) ◽  
pp. 7399-7406 ◽  
Author(s):  
Peter H. Huy ◽  
Christelle Mbouhom
Keyword(s):  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Bond Formation ◽  
Acid Chlorides ◽  
Cost Efficient

Formamide catalysis enables highly cost-efficient amide C–N and ester C–O bond formation through carboxylic acid chlorides as essential intermediates.

scholarly journals Synthesis and Screening of Substituted Thiadiazoles Against Gleophyllum Straitum

2004 ◽  
Vol 1 (3) ◽  
pp. 184-188
Author(s):  
M. G. H. Zaidi ◽  
Seema Zaidi ◽  
I. P. Pandey
Keyword(s):  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Wood Preservation ◽  
Acid Chlorides

Cyclocondensation of a series of substituted phenoxy methylene carboxylic acids with thiosemoicarbazides afforded 2-Amino-5-Aryloxy Methylene –1,3,4 Thiadiazoles (Ia-Ie). The later were subsequently condensed with different phenoxymethylene carboxylic acid chlorides into 2- Aryloxy Methyleneamido-5-Aryloxy Methylene–1,3,4-Thiadiazoloyl Amides. The wood preservation efficiency of the both class of compounds was evaluated against a wood rotting fungusGleophyllum Straitumat different concentrations using food poison technique. In general phenoxy derivatives have shown more control over the growth ofGleophyllum Straitumthan their corresponding aminothiadiazoles at 500 ppm. The chlorophenoxy-substituted thiadiazoles among all have shown more activity then others againstGleophyllum Straitum.

Reactions of Some Pyrazole-3-Carboxylic Acids and Carboxylic Acid Chlorides with Various O- and N- Nucleophiles

2013 ◽  
Vol 10 (8) ◽  
pp. 602-610 ◽  
Author(s):  
Ilhan Ilhan ◽  
Ayse Caglayan ◽  
Zulbiye Onal ◽  
Senem Akkoc ◽  
Mehmet Cadır
Keyword(s):  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Acid Chlorides

Chemoselectivity in Esterification Reactions – Size Matters after All

Synthesis ◽  
2017 ◽  
Vol 49 (15) ◽  
pp. 3460-3470 ◽  
Author(s):  
Julian Helberg ◽  
Marta Marin-Luna ◽  
Hendrik Zipse
Keyword(s):  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Temperature Effects ◽  
Aliphatic Acid ◽  
Secondary Alcohols ◽  
Acid Chlorides ◽  
Aromatic Carboxylic Acids ◽  
Esterification Reactions

The reaction of carboxylic acid chlorides with secondary alcohols carrying either flexible alkyl or rigid aryl substituents was studied through a series of competition experiments. Aliphatic acid chlorides react preferentially with the aryl-substituted alcohols, while acid chlorides derived from aromatic carboxylic acids react with very low selectivity. Catalysis by 9-azajulolidine (TCAP) increases the selectivity strongly, while solvent and temperature effects are only moderate. The size of the alcohol substituents seems to impact selectivities only for rigid aryl substituents, and highest selectivities have been found for 1-(1-pyrenyl)ethanol.

Preparation and reactions of thieno[3,2-b]furan derivatives

1986 ◽  
Vol 51 (8) ◽  
pp. 1685-1691 ◽  
Author(s):  
Eva Kraľovičová ◽  
Alžbeta Krutošíková ◽  
Jaroslav Kováč
Keyword(s):  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Acid Chloride ◽  
Thionyl Chloride ◽  
Acid Chlorides ◽  
Carboxylic Acid Chloride ◽  
Furan Derivatives ◽  
Nucleophilic Reactions ◽  
Triethylbenzylammonium Chloride

Reactions of 3-(5-aryl-2-furyl)propenoic, 3-(2-benzo[b]furyl)propenoic and 3-(5-ethoxycarbonyl-4H-furo[3,2-b]-2-pyrrolyl)propenoic acids with thionyl chloride in the presence of triethylbenzylammonium chloride were investigated. The obtained 2-arylthieno[3,2-b]-furan-5-carboxylic acid chlorides Ia - Ic and 3-chlorothieno[3,2-b]benzo[b]furan-2-carboxylic acid chloride afforded in substitution nucleophilic reactions the corresponding esters V and carboxylic acids VI which were decarboxylated to VII. 3-Chlorothieno[3,2-b]benzo[b]furan-2-carboxylic acid chloride (Id), 6-ethoxycarbonyl-3-chlorothieno[2',3':4,5]furo[3,2-b]pyrrole-2-carboxylic acid chloride (IV), and ethyl 3-chlorothieno[2',3':4,5]furo[3,2-b]indole-2-carboxylate (VIII), synthesized under conditions of triethylphosphite reduction from ethyl 6-chloro-2-(2-nitrophenyl)thieno[3,2-b]furan-5-carboxylate (Va), are new heterocyclic systems.

ChemInform Abstract: Reactions of Some Pyrazole-3-carboxylic Acids and Carboxylic Acid Chlorides with Various O- and N-Nucleophiles.

ChemInform ◽  
2014 ◽  
Vol 45 (6) ◽  
pp. no-no
Author(s):  
Ilhan Oezer Ilhan ◽  
Ayse Caglayan ◽  
Zuelbiye Oenal ◽  
Senem Akkoc ◽  
Mehmet Cadir
Keyword(s):  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Acid Chlorides
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