Ali Allahresani
Department of Chemistry, College of Sciences, University of Birjand, Birjand 97175-615, Iran
[ 1 ] - Diethylenetriamine supported on cellulose as a biodegradable and recyclable basic heterogeneous catalyst for the synthesis of spirooxindole derivatives
In the present study, the synthesis of diethylene triamine supported on cellulose biopolymer as a biodegradable solid basic heterogeneous catalyst was suggested. Then, the applicability of the synthesized catalyst cellulose bonded N-propyl diethylene triamine (CBPDETA) was tested for the synthesis of oxindole derivatives, an important class of potentially bioactive compounds. A various series o...
[ 2 ] - The comparison of the antioxidant capacity of methanol extract in three species of Artemisia (A. sieberi Besser, A. aucheri, and A. deserti Krasch)
Artemisia deserti Krasch (A. deserti), Artemisia aucheri (A. aucheri) and Artemisia sieberi Besser (A. sieberi) are three members of Asteraceae (compositae) family, which grow widely in the even and high areas of Birjand, Iran. This study has attempted to compare the total antioxidant capacity of methanol extracts of these three plants using DPPH (1,1-Diphenyl-2-Picrylhydrazyl) radical scavengi...
[ 3 ] - Microwave assisted green synthesis of α, ά- bis (substituted- benzylidene) alkanones
Microwave assisted green synthesis of α, ά- bis (substituted- benzylidene) alkanones by the crossed- aldol condensation reaction of substituted aryl aldehydes with ketones in the presence of catalytic amount of NbCl5 in good to excellent yields. This reaction is carried out under solvent-free conditions. The results showed that aldehydes bearing electron–donating substituent's on phenyl-ring fa...
[ 4 ] - Diethylenetriamine supported on cellulose as a biodegradable and recyclable basic heterogeneous catalyst for the synthesis of spirooxindole derivatives
In the present study, the synthesis of diethylene triamine supported on cellulose biopolymer as a biodegradable solid basic heterogeneous catalyst was suggested. Then, the applicability of the synthesized catalyst cellulose bonded N-propyl diethylene triamine (CBPDETA) was tested for the synthesis of oxindole derivatives, an important class of potentially bioactive compounds. A various series o...
[ 5 ] - Assessmentof phytochemical characteristics of two medicinal plants species, Ziziphora tenuir and Teucrium polium, collected from Sarbisheh region
Background and Aims: Ziziphora tenuir and Teucrium polium belong to the Labiatae family. So far, 25 and 4 species of Ziziphora tenuir have been reported in the world and Iran, respectively, which are used for novel digestive disorders, common cold, depression, and migraine. A total of 200 species of Teucrium polium have been identified in the world, and 12 species exist in Iran. The historical ...
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