Paper Information

Journal:   SCIENTIA IRANICA   2014 , Volume 21 , Number 3 (TRANSACTIONS C: CHEMISTRY AND CHEMICAL ENGINEERING); Page(s) 719 To 726.
 
Paper: 

AN EFFECTIENT SYNTHESIS OF MONOARYLIDENE DERIVATIVES OF PYRAN-4-ONE AND PIPERIDIN-4-ONE

 
 
Author(s):  MOJTAHEDI M.M.*, ABAEE M.S., SAMIANI FARD M., SHAMLOO A.
 
* CHEMISTRY AND CHEMICAL ENGINEERING RESEARCH CENTER OF IRAN, TEHRAN, IRAN
 
Abstract: 

A room-temperature procedure is developed for the direct synthesis of monoarylidene derivatives of pyran-4-one and piperidin-4-one systems under solventfree conditions. Relatively high yields of products are obtained from the reaction of ketones 1 with dierent aromatic and aliphatic aldehydes under the catalytic system of TMSNMe2 and MgBr2.OEt2. Notably, formation of the undesired bis counterparts, as a major limitation of these reaction types, is minimized using the employed conditions.

 
Keyword(s): UNSATURATED KETONES, ORGANOCATALYSIS, HETEROCYCLIC CHEMISTRY, ALDOL CONDENSATION
 
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