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Melamine trisulfonic acid as a highly efficient catalyst for the synthesis of polyhydroquinolines under solvent-free conditions

Publish place: Iranian Chemical Communication، Vol: 3، Issue: 3
Publish Year: 1394
Type: Journal paper
Language: English
View: 585

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Link to this Paper:
https://civilica.com/doc/753175

Document National Code:

JR_ICC-3-3_004

Index date: 23 July 2018

Melamine trisulfonic acid as a highly efficient catalyst for the synthesis of polyhydroquinolines under solvent-free conditions abstract

A highly efficient, simple and clean solvent-free protocol for the synthesis ofpolyhydroquinolines is described. The one-pot multi-component condensation reaction betweenarylaldehydes, dimedone (5,5-dimethylcyclohexane-1,3-dione), β-ketoesters and ammoniumacetate in the presence of 2.5 mol% of melamine trisulfonic acid (MTSA) at 60 °C affords thetitle compounds in high yields (83-98%) and short reaction times (3-30 min).

Melamine trisulfonic acid as a highly efficient catalyst for the synthesis of polyhydroquinolines under solvent-free conditions Keywords:

Polyhydroquinoline , melamine trisulfonic acid (MTSA) , solvent-free , arylaldehyde , dimedone (5 , 5- imethylcyclohexane-1 , 3-dione) , β-ketoester

Melamine trisulfonic acid as a highly efficient catalyst for the synthesis of polyhydroquinolines under solvent-free conditions authors

Abdolkarim Zare

Department of Chemistry, Payame Noor University, P.O. BOX ۱۹۳۹۵-۴۶۹۷, Tehran, Iran

Maryam Dashtizadeh

Department of Chemistry, Payame Noor University, P.O. BOX ۱۹۳۹۵-۴۶۹۷, Tehran, Iran

Maria Merajoddin

Department of Chemistry, Payame Noor University, P.O. BOX ۱۹۳۹۵-۴۶۹۷, Tehran, Iran