scholarly journals Pentafluoropropionic acid as a Efficient Catalyst for the One-Pot Synthesis of 14-aryl-14H-dibenzo[a, j]xanthenes Under Solvent Free Conditions

2013 ◽  
Vol 29 (4) ◽  
pp. 1683-1686
Author(s):  
Naser Montazeri ◽  
Sabnaz Keshavarzi
Keyword(s):  
Solvent Free ◽  
One Pot ◽  
Efficient Catalyst ◽  
One Pot Synthesis ◽  
Solvent Free Conditions ◽  
The One

scholarly journals One-Pot Synthesis of 2′-Aminobenzothiazolo-Arylmethyl-2-Naphthols Catalyzed by NBS under Solvent-Free Conditions

2013 ◽  
Vol 2013 ◽  
pp. 1-4 ◽  
Author(s):  
Wei Lin Li ◽  
Li Li Wang ◽  
Qiu Yan Luo
Keyword(s):  
Aromatic Aldehydes ◽  
Solvent Free ◽  
One Pot ◽  
Efficient Catalyst ◽  
One Pot Synthesis ◽  
Solvent Free Conditions ◽  
The One ◽  
Naphthol Derivatives

To develop a new facile protocol for the synthesis of 2′-aminobenzothiazolo-arylmethyl-2-naphthol derivatives, N-bromosuccinimide (NBS) was used as an efficient catalyst for the one-pot synthesis of 2′-aminobenzothiazolo-arylmethyl-2-naphthols in excellent yields fromβ-naphthol (1 mmol), aromatic aldehydes (1 mmol), and 2-aminobenzothiazole (1 mmol) at 60°C under solvent-free conditions.

scholarly journals ZnO Nanoparticles: A Highly Effective and Readily Recyclable Catalyst for the One-Pot Synthesis of 1,8-dioxo-decahydroacridine and 1,8-dioxooctahydro-xanthene Derivatives

2017 ◽  
Vol 57 (1) ◽  
Author(s):  
Javad Safaei-Ghomi ◽  
Mohammad Ali Ghasemzadeh ◽  
Safura Zahedi
Keyword(s):  
Zno Nanoparticles ◽  
Environmentally Friendly ◽  
Recyclable Catalyst ◽  
Solvent Free ◽  
One Pot ◽  
One Pot Synthesis ◽  
Solvent Free Conditions ◽  
Xanthene Derivatives ◽  
Highly Effective ◽  
The One

ZnO nanoparticles as a worthwhile and recyclable catalyst have been used for the one-pot synthesis of 1,8-dioxo-decahydroacridines and 1,8-dioxooctahydro-xanthenes via multi-component reactions under solvent-free conditions. The presented method is mild, environmentally friendly, inexpensive and highly effective to give the products in good to excellent yields.

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