مرور Volume 2, Issue 1, pp. 1-81, Serial No. 2 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 7 از 7
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Melamine trisulfonic acid as a highly efficient catalyst for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes under solvent-free conditions
(Ilam, Payame Noor University, 2014-01-01)Melamine trisulfonic acid (MTSA) is utilized as a highly efficient catalyst for the solvent-free condensation reaction of 2-naphthol (2 eq.) with arylaldehydes (1 eq.) under conventional thermal as well as microwave ...
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An improved structure models to explain retention behavior of atmospheric nanoparticles
(Ilam, Payame Noor University, 2014-01-01)The quantitative structure-retention relationship (QSRR) of nanoparticles in roadside atmosphere against the comprehensive two-dimensional gas chromatography which was coupled to high-resolution time-of-flight mass ...
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Isolation, identification and characterization of lawsone from henna leaves powder with soxhlet technique
(Ilam, Payame Noor University, 2014-01-01)Lawsone a natural pigment present in the henna leaves has been used as a skin and hair dye since 1400 BC. The concentration of this natural compound in leaves varies from place to place depending upon many of the environmental ...
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Catalytic application of an organosuperbase denderon grafted on mesoporous SBA-15 and related palladium complex in the aerobic oxidation of alcohols
(Ilam, Payame Noor University, 2014-01-01)An efficient synthetic method for successful synthesis of amine denderon on SBA-15 and related Pd (II) complex has been developed. This modified mesoporous material was characterized by various techniques such as TEM, XRD, ...
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A practical and convenient method for the synthesis of anesthetic drug thiopental: using thiourea and sodium ethoxide
(Ilam, Payame Noor University, 2014-01-01)A general, simple, practical and convenient method has been described for the synthesis of anesthetic drug thiopental using thiourea in the presence of sodium ethoxide. Anesthetic drug of thiopental was prepared in two ...
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Synthesis and characterization of derived imines from 4-imino-5,6,7,8-tetrahydro-1-benzothieno[2,3-d]pyrimidin-3(4H)-amine
(Ilam, Payame Noor University, 2014-01-01)The synthesis and characterization of derived imines from 4-imino-5,6,7,8-tetrahydro-1-benzo thieno[2,3-d]pyrimidin-3(4H)-amine 3 has been developed in 3 steps through the reaction of heteroaromatic o-aminonitrile 1 with ...
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Potassium carbonate: a highly efficient catalyst for the acylation of alcohols, phenols and thiols under mild conditions
(Ilam, Payame Noor University, 2014-01-01)A general, mild and efficient protocol has been developed for the synthesis of esters and thioesters. The process has been taking place using tetra n-butylammonium iodide (TBAI) as a phase-transfer catalyst and in the ...
