ultrasound assisted one-pot synthesis of dihydropyrimidinones using holmium chloride as catalyst

نویسندگان

s. kakaei

h. sid kalal

h. hoveidi

چکیده

a simple and green chemical procedure was reported for the synthesis of dihydropyrimidinones from various aldehydes, ethyl acetoacetate and urea or thiourea using  holmium chloride as catalyst. the reactions were performed under solvent free conditions with ultrasound irradiation as the energy source. the advantages of this protocol include the excellent yield, operational simplicity, short time and the avoidance of the use of organic solvents and friendly preparation. products were identified by mp. and ir, nmr and mass spectroscopies.

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Ultrasound Assisted One-pot Synthesis of Dihydropyrimidinones Using Holmium Chloride As Catalyst

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عنوان ژورنال:
journal of sciences, islamic republic of iran

ناشر: university of tehran

ISSN 1016-1104

دوره 26

شماره 2 2015

میزبانی شده توسط پلتفرم ابری doprax.com

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