Non-catalytic solvent-free synthesis of 5,6,7,8-tetrahydro-4H-chromenes from aldehydes, dimedone and malononitrlie at ambient temperature

2015 ◽  
Vol 25 (3) ◽  
pp. 185-187 ◽  
Author(s):  
Michail N. Elinson ◽  
Fedor V. Ryzhkov ◽  
Tatiana A. Zaimovskaya ◽  
Mikhail P. Egorov
Keyword(s):  
Ambient Temperature ◽  
Solvent Free ◽  
Solvent Free Synthesis

scholarly journals Expeditious, Mild and Solvent Free Synthesis of Bis(indolyl)methanes, Using a Mixture of Phosphorus Pentoxide in Methanesulphonic Acid

2012 ◽  
Vol 9 (3) ◽  
pp. 1313-1319 ◽  
Author(s):  
Amulrao U. Borse ◽  
Mahesh N. Patil ◽  
Nilesh L. Patil
Keyword(s):  
Ambient Temperature ◽  
Phosphorus Pentoxide ◽  
Solvent Free ◽  
Efficient Synthesis ◽  
Free Condition ◽  
Solvent Free Condition ◽  
Solvent Free Synthesis

Highly rapid and efficient synthesis of Bis(indolyl)methanes has been developed by using a mixture of phosphorus pentoxide in methanesulphonic acid (Eaton’s reagent) at ambient temperature under solvent free condition.

ChemInform Abstract: Non-catalytic Solvent-Free Synthesis of 5,6,7,8-Tetrahydro-4H-chromenes from Aldehydes, Dimedone and Malononitrile at Ambient Temperature.

ChemInform ◽  
2015 ◽  
Vol 46 (41) ◽  
pp. no-no
Author(s):  
Michail N. Elinson ◽  
Fedor V. Ryzhkov ◽  
Tatiana A. Zaimovskaya ◽  
Mikhail P. Egorov
Keyword(s):  
Ambient Temperature ◽  
Solvent Free ◽  
Solvent Free Synthesis

Anhydrous Magnesium Sulfate Mediated Solvent-Free Synthesis of Dihydropyrimidin-2(1H)-ones at Ambient Temperature

2007 ◽  
Vol 60 (6) ◽  
pp. 435 ◽  
Author(s):  
D. M. Pore ◽  
U. V. Desai ◽  
T. S. Thopate ◽  
P. P. Wadgaonkar
Keyword(s):  
Ambient Temperature ◽  
Magnesium Sulfate ◽  
Solvent Free ◽  
Anhydrous Magnesium Sulfate ◽  
Biginelli Compounds ◽  
Solvent Free Synthesis

An anhydrous magnesium sulfate mediated solvent-free protocol is described for the synthesis of dihydropyrimidinones (Biginelli compounds) at ambient temperature.

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