The kinetic study of thermal dehydration of oxalic acid dihydrate

1984 ◽  
Vol 29 (5) ◽  
pp. 1115-1122 ◽  
Author(s):  
H. Tanaka
Keyword(s):  
Oxalic Acid ◽  
Kinetic Study ◽  
Thermal Dehydration ◽  
Oxalic Acid Dihydrate

Green synthesis of benzoimidazopyrimidine, benzimidazoloquinazolinone, triazolopyrimidine and triazoloquinazolinone derivatives catalyzed by oxalic acid dihydrate

2021 ◽  
Vol 18 ◽  
Author(s):  
Seyed Sajad Sajadikhah ◽  
Bagher Liravi-Deylami
Keyword(s):  
Oxalic Acid ◽  
Green Synthesis ◽  
Column Chromatography ◽  
Catalytic Amount ◽  
Atom Economy ◽  
One Pot ◽  
Oxalic Acid Dihydrate ◽  
Metal Free ◽  
Solvent Free Conditions ◽  
Simple Filtration

: Benzoimidazopyrimidine, benzimidazoloquinazolinone, triazolopyrimidine, and triazoloquinazolinone derivatives were synthesized via a one-pot multi-component reaction in the presence of a catalytic amount of oxalic acid dihydrate. The reactions were performed in the mixture of EtOH: H2O or under solvent-free conditions as green media. The advantageous features of these methodologies are inexpensive starting materials and catalyst, high atom economy and good yields, and metal-free synthesis. Moreover, all the products were obtained by simple filtration with no need for column chromatography or tedious separation procedures, which is very important in terms of reducing environmental pollutions.

Identification of hydrogen bond modes in polarized Raman spectra of single crystals of α-oxalic acid dihydrate

2009 ◽  
Vol 40 (11) ◽  
pp. 1605-1614 ◽  
Author(s):  
Vlasta Mohaček-Grošev ◽  
Jože Grdadolnik ◽  
Jernej Stare ◽  
Dušan Hadži
Keyword(s):  
Hydrogen Bond ◽  
Oxalic Acid ◽  
Single Crystals ◽  
Raman Spectra ◽  
Oxalic Acid Dihydrate ◽  
Polarized Raman
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