scholarly journals Selective activation of primary carboxylic acids by electron-rich triarylbismuthanes. Application to amide and ester synthesis under neutral conditions

1994 ◽  
pp. 3473 ◽  
Author(s):  
Takuji Ogawa ◽  
Tetsuya Hikasa ◽  
Tohru Ikegami ◽  
Noboru Ono ◽  
Hitomi Suzuki
Keyword(s):  
Carboxylic Acids ◽  
Ester Synthesis ◽  
Selective Activation ◽  
Neutral Conditions

Polymer-SupportedO-Benzyl andO-Allylisoureas:  Convenient Preparation and Use in Ester Synthesis from Carboxylic Acids

2003 ◽  
Vol 5 (6) ◽  
pp. 853-856 ◽  
Author(s):  
Stefano Crosignani ◽  
Peter D. White ◽  
Rene Steinauer ◽  
Bruno Linclau
Keyword(s):  
Carboxylic Acids ◽  
Ester Synthesis ◽  
Convenient Preparation

scholarly journals Efficient one-pot, four-component synthesis of N,N-dibenzyl-N-{1-[5-(3-aryl)-1,3,4-oxadiazol-2-yl]cyclobutyl}amine derivatives from the reaction of (isocyanoimino)triphenylphosphorane, dibenzylamine, an aromatic carboxylic acid and cyclobutanone

2012 ◽  
Vol 77 (9) ◽  
pp. 1175-1180 ◽  
Author(s):  
Nahid Shajari ◽  
Reza Kazemizadeh ◽  
Ali Ramazani
Keyword(s):  
Carboxylic Acid ◽  
Carboxylic Acids ◽  
Room Temperature ◽  
Aromatic Carboxylic Acid ◽  
One Pot ◽  
Aromatic Carboxylic Acids ◽  
High Yields ◽  
Neutral Conditions

Four-component reaction of cyclobutanone, dibenzylamine and (Nisocyanimino) triphenylphosphorane in the presence of aromatic carboxylic acids proceed smoothly at room temperature and under neutral conditions to afford N,N-dibenzyl-N-{1-[5-(3-aryl)-1,3,4-oxadiazol-2-yl]cyclobutyl}amine derivatives in high yields.

PPh3 /Selectfluor-Mediated Transformation of Carboxylic Acids into Acid Anhydrides and Acyl Fluorides and Its Application in Amide and Ester Synthesis

2019 ◽  
Vol 2019 (34) ◽  
pp. 5998-6002 ◽  
Author(s):  
Zhen Yang ◽  
Siwei Chen ◽  
Fang Yang ◽  
Chenxi Zhang ◽  
You Dou ◽  
...  
Keyword(s):  
Carboxylic Acids ◽  
Ester Synthesis ◽  
Acid Anhydrides

A Convenient Method for Iodolactonization

1979 ◽  
Vol 32 (12) ◽  
pp. 2793 ◽  
Author(s):  
RC Cambie ◽  
KS Ng ◽  
PS Rutledge ◽  
PD Woodgate
Keyword(s):  
Carboxylic Acids ◽  
Convenient Method ◽  
Polar Solvent ◽  
Unsaturated Carboxylic Acids ◽  
Neutral Conditions

Iodo lactones are conveniently prepared under neutral conditions by treatment of unsaturated carboxylic acids with thallium(I) acetate and iodine in a non-polar solvent.

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