Aromatic Cation Activation: Nucleophilic Substitution of Alcohols and Carboxylic Acids

2014 ◽  
Vol 16 (6) ◽  
pp. 1720-1723 ◽  
Author(s):  
Thanh V. Nguyen ◽  
Alp Bekensir
Keyword(s):  
Nucleophilic Substitution ◽  
Carboxylic Acids ◽  
Cation Activation

ChemInform Abstract: Nucleophilic Substitution of Urea on Aromatic Carboxylic Acids via Phosphorylation.

ChemInform ◽  
2010 ◽  
Vol 23 (5) ◽  
pp. no-no
Author(s):  
P. V. PRABHAKARAN ◽  
S. JAYADEV ◽  
S. K. NEMA ◽  
K. V. C. RAO
Keyword(s):  
Nucleophilic Substitution ◽  
Carboxylic Acids ◽  
Aromatic Carboxylic Acids

α-Xanthylmethyl Ketones from α-Diazoketones

Synthesis ◽  
2021 ◽  
Author(s):  
Luis D Demetrio Miranda ◽  
Pedro López-Mendoza
Keyword(s):  
Nucleophilic Substitution ◽  
Carboxylic Acids ◽  
Efficient Method ◽  
Toluenesulfonic Acid ◽  
Broad Variety

A simple and efficient method to obtain α-xanthyl ketones from α-diazoketones is described. The reaction proceed through a protonation/nucleophilic substitution sequence with p-toluenesulfonic acid and potassium ethyl xanthogenate as nucleophile. As α-diazoketones can be readily synthesized from ubiquitous carboxylic acids, a broad variety of xanthates can be obtained, including those from natural occurring substrates

ChemInform Abstract: Nucleophilic Substitution in 4-Halonitropyrazole Carboxylic Acids.

1986 ◽  
Vol 17 (32) ◽  
Author(s):  
YU. A. MANAEV ◽  
V. P. PEREVALOV ◽  
M. A. ANDREEVA ◽  
B. I. STEPANOV
Keyword(s):  
Nucleophilic Substitution ◽  
Carboxylic Acids
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