Efficient synthesis of esters through oxone-catalyzed dehydrogenation of carboxylic acids and alcohols

2018 ◽  
Vol 16 (48) ◽  
pp. 9472-9476 ◽  
Author(s):  
Fei Hou ◽  
Xi-Cun Wang ◽  
Zheng-Jun Quan

An environmentally friendly oxone (20 mol%) catalyzed esterification of carboxylic acids with alcohols has been developed, providing an attractive alternative to the construction of valuable carbonyl esters.

RSC Advances ◽  
2014 ◽  
Vol 4 (68) ◽  
pp. 36350-36356 ◽  
Author(s):  
Cédric Epoune Lingome ◽  
Gwladys Pourceau ◽  
Virginie Gobert-Deveaux ◽  
Anne Wadouachi

A mecanosynthesis of glycosylamines under solventless conditions was established. This environmentally friendly approach optimized with l-rhamnose, was investigated using a variety of amines and other carbohydrates.


2018 ◽  
Vol 73 (9) ◽  
pp. 641-645 ◽  
Author(s):  
Sepehr Sadegh-Samiei ◽  
Shahrzad Abdolmohammadi

AbstractA novel and efficient synthesis of eight 5-aryl-1,3-dimethyl-2,4-dioxo-1,2,3,4,5,8-hexahydropyrido[2,3-d]pyrimidine-7-carboxylic acids using a TiO2/SiO2 nanocomposite with a molar ratio of 1:1 as a recyclable heterogeneous catalyst is described. The desired products, five of which are new, are formed in short reaction times (2–3 h) with high to excellent yields (94%–98%) under very moderate reaction conditions (room temperature, aqueous media).


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