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Ultrasound mediated synthesis of aldimines from non-enolizable aldehydes at room temperature

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Title Ultrasound mediated synthesis of aldimines from non-enolizable aldehydes at room temperature
 
Creator Paula, Dipankar
Kalitaa, Gitumoni
Boraa, Hridoy Jyoti
Samaib, Suman
Chatterjee, Paresh Nath
 
Subject Aldehyde
sulfonamide
N-sulfonyl aldimine
ultrasound
Lewis acid
 
Description 1593-1600
user-friendly, energy efficient method of synthesizing N-sulfonyl aldimines at room temperature (25‒28°C) from
readily available and inexpensive reagents has been developed. The method employs ultrasonication from common
laboratory ultrasonic cleaner to mediate the reaction. FeCl3 as catalyst and molecular sieves as water scavenger have
produced excellent yields of aldimines with short reaction time. The reaction set-up does not require inert atmosphere or
anhydrous solvent thereby saving resources and time. The easily scalable method works well for the condensation of
aromatic non-enolizable aldehydes and sulfonamides.
 
Date 2021-12-15T10:29:10Z
2021-12-15T10:29:10Z
2021-12
 
Type Article
 
Identifier 0975-0983(Online); 0376-4699(Print)
http://nopr.niscair.res.in/handle/123456789/58605
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJC-B Vol.60B(12) [December 2021]