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Wednesday 17 February 2016

Masoumeh Divar

Masoumeh Divar.


Masoumeh Divar

Research Associate at Pharmaceutical Sciences Research Center, Shiraz university of Medical Sciences
 

LINKS
 https://www.researchgate.net/profile/Masoumeh_Divar



Summary

I'm passionate about pharmaceutical sciences, dendrimer synthesis and organic chemistry and also I'm perfectionist in modern spectroscopic techniques, chromatographic techniques, Nuclear Magnetic Resonance Spectroscopy (NMR), Fourier Transform Infrared Spectroscopy (FT-IR), UV-Vis Spectroscopy, Matrix-assisted laser desorption/ionization (MALDI-TOF), Gel permeation chromatography (GPC), High-Performance Liquid Chromatography (HPLC), and Visible and Ultraviolet Spectroscopy. I'm looking forward to applying organic synthesis and characterization technique in post doc position.




Experience




research assistant

Pharmaceutical Science Research center, Shiraz University of Medical Sciences.
– Present (1 year 1 month)Shiraz
I've desined and done some pharmacutical projects in this center and also I designed projects for undergraduate pharmacy students and mentored them during thair projects.
(Open)4 projects



PhD in organic chemistry ( teaching assistant)

Shiraz university
(4 years 1 month)Shiraz/ Iran
Leading undergraduate student in organic chemistry lab I & II. I also taught general chemistry I & II and organic chemistry I & II.



Visiting Scholar

University of Pennsylvania
(7 months)New Philadelphia, Pennsylvania
I worked on peptide dendrimer synthesis



Master of Science ( teaching assistant)

Shiraz university
(3 years 1 month)

Education




Shiraz University

Doctor of Philosophy (PhD), organic chemistry, 19


Shiraz University

Master of Science (M.S.), Organic Chemistry



Islamic Azad University of Firoozabad

Bachelor of Science (B.S.), Applied Chemistry

Publications




Magnetic nanoparticles-supported tungstic acid (MNP-TA): an efficient magnetic recyclable catalyst for the one-pot synthesis of spirooxindoles in water

RSC Advances
May 2015This paper reports the preparation, characterization and catalytic application of a novel, magnetically separable catalyst consisting of tungstic acid supported on silica coated magnetic nanoparticles. To obtain this new catalyst system, first, (3-chloropropyl)triethoxysilane was reacted with silica coated magnetic nanoparticles to generate a 3-chloropropyl magnetic nanoparticle (3-CPMNP)



Nucleosides as reagents in multicomponent reactions: one-pot synthesis of heterocyclic nucleoside analogues incorporating pyrimidine-fused rings

Tetrahedron Letters
2013In this study, a general and efficient protocol for the synthesis of new heterocyclic nucleoside analogues (HNAs), using a four-component coupling reaction of nucleosides, aldehydes, barbituric acid/2-thiobarbituric acid, or dimedone is described. The synthesized HNAs contain a pyrimidine-fused heterocycle coupled to the nucleoside via a C–N linkage. The nucleosides served as amine components and...

Synthesis of α‑Aminonitriles with Benzimidazolic and Theophyllinic Backbones Using the Strecker Reaction

JOC
August 26, 2013An example of the application of the Strecker reaction in the synthesis of a new class of α-aminonitriles with benzimidazole and theophylline backbones has been developed. For the synthesis of these compounds, first 4-hydroxybenzaldehyde was reacted with 1,3- and 1,5-
dibromides/epibromohydrin to produce the corresponding bromo-substituted aldehydes. Then, benzimidazole/theophyl-line was reacted..



Silica sulfuric acid (SSA) as a highly efficient heterogeneous catalyst for persilylation of purine and pyrimidine nucleobases and other N-heterocycles using HMDS

Phosphorus, Sulfur, and Silicon and the Related Elements
2010
Purine and pyrimidine nucleobases and other N-heterocycles have been silylated with HMDS in excellent yields in the presence of a catalytic amount of silica sulfuric acid (SSA), as a heterogeneous catalyst. SSA utilizes shorter reaction time and higher yields of silylated nucleobases. SSA is reusable for several times without decrease in reactivity and the yield of silylated
adducts




Honors & Awards

Iran Nanotechnology Initiative Council Incentive Support

Doctor of Philosophy Admission


Ranke first in the Entrance Exam for Ph.D. in Organic Chemistry in Shiraz University

One of the Highest Ranked Ph.D. Student. G.P.A. (GPA 3.76)


Projects




Synthesis and Evaluation of Some New Quinazoline Derivatives as Antifungal Agents


a variety of quinazolinone derivatives were successfully synthesized, via a three-component condensation reaction between anthranilic acid, anhydrides and primery amines. The synthesized compounds will be evaluated for their antifungal activity.



Antibacterial and Antifungal Effect of Some new Heterocyclic Nucleoside Analogues Incorporating Quinoline and Pyrimidine-fused Rings


In summary, this study describes an efficient one-pot access to a new class of heterocyclic nucleoside analogues having quinoline or pyrimidine-fused ring in its structural framework. To obtain these categories of heterocyclic compounds, nucleoside acts as amine component and remind in the structure of obtained molecule via a C-N linkage. This protocol is general for a wide range of nucleosides,...more



Antibacterial and Antifungal Effect of Some new Isatin derivatives including Semicarbazone & Thiosemicarbazone




Anticonvalsunt Effect of Some new Isatin derivatives including Semicarbazone & Thiosemicarbazone









Phosphorus, Sulfur, and Silicon and the Related Elements

Volume 185, Issue 9, 2010

Silica Sulfuric Acid (SSA) as a Highly Efficient Heterogeneous Catalyst for Persilylation of Purine and Pyrimidine Nucleobases and Other N-Heterocycles Using Hmds
Original Articles

Silica Sulfuric Acid (SSA) as a Highly Efficient Heterogeneous Catalyst for Persilylation of Purine and Pyrimidine Nucleobases and Other N-Heterocycles Using Hmds

DOI:
10.1080/10426500903383952
Mohammad Navid Soltani Rada, Ali Khalafi-Nezhadb, Masoumeh Divarb & Somayeh Behrouzb
pages 1943-1954


  • a Department of Chemistry , Faculty of Basic Sciences, Shiraz University of Technology , Shiraz, Iran
  • b Department of Chemistry , College of Sciences, Shiraz University , Shiraz, Iran
Purine and pyrimidine nucleobases and other N-heterocycles have been silylated with HMDS in excellent yields in the presence of a catalytic amount of silica sulfuric acid (SSA) as a heterogeneous catalyst. SSA utilizes a shorter reaction time and higher yields of silylated nucleobases. SSA is reusable for several times without a decrease in reactivity or yield of silylated adducts.









Synthesis of α-Aminonitriles with Benzimidazolic and Theophyllinic Backbones Using the Strecker Reaction

Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
J. Org. Chem., 2013, 78 (21), pp 10902–10908
DOI: 10.1021/jo401890g
Publication Date (Web): October 3, 2013
Copyright © 2013 American Chemical Society
*E-mail: khalafi@chem.susc.ac.ir (A.K.-N.)., *E-mail: panahi@shirazu.ac.ir (F.P.). Fax: +98(711)2280926.

Abstract

Abstract Image
An example of the application of the Strecker reaction in the synthesis of a new class of α-aminonitriles with benzimidazole and theophylline backbones has been developed. For the synthesis of these compounds, first 4-hydroxybenzaldehyde was reacted with 1,3- and 1,5-dibromides/epibromohydrin to produce the corresponding bromo-substituted aldehydes. Then, benzimidazole/theophylline was reacted with the latter to generate the related benzimidazolic/theophyllinic aldehydes. Finally, the Strecker reactions of the synthetic benzimidazolic and theophyllinic aldehydes with different amines afforded the target products.
 http://pubs.acs.org/doi/abs/10.1021/jo401890g




Paper

Magnetic nanoparticles-supported tungstic acid (MNP-TA): an efficient magnetic recyclable catalyst for the one-pot synthesis of spirooxindoles in water

*
Corresponding authors
a
Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
E-mail: khalafi@chem.susc.ac.ir, panahi@shirazu.ac.ir
Fax: +98 711 2280926
Tel: +98-7116137163
RSC Adv., 2015,5, 2223-2230

DOI: 10.1039/C4RA12976H
http://pubs.rsc.org/en/Content/ArticleLanding/2015/RA/C4RA12976H#!divAbstract
Received 23 Oct 2014, Accepted 19 Nov 2014
First published online 19 Nov 2014
This paper reports the preparation, characterization and catalytic application of a novel, magnetically separable catalyst consisting of tungstic acid supported on silica coated magnetic nanoparticles. To obtain this new catalyst system, first, (3-chloropropyl)triethoxysilane was reacted with silica coated magnetic nanoparticles to generate a 3-chloropropyl magnetic nanoparticle (3-CPMNP) substrate. Subsequently, the addition of sodium tungstate to 3-CPMNP resulted in the stabilization of tungstic acid species on the surface of the magnetic nanoparticles (MNP-TA). The synthesized catalyst was characterized using some different microscopic and spectroscopic techniques such as X-ray powder diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), and FT-IR spectroscopy. The catalyst nanoparticles were obtained with near spherical morphology and an average size of ∼45 nm. The W content of the catalyst was determined by ICP analysis to be 82.5 ppm (82.5 mg L−1), which was equal to 8.25% w/w (0.45 mmol g−1). The catalyst was successfully used for the one-pot synthesis of spirooxindoles via the multicomponent reaction of isatins and dicarbonyl compounds in water, which was used as a green solvent. The results revealed that this new catalyst showed high catalytic activity in this protocol and that it can be reused at least 5 times without any change in its catalytic activity.


Graphical abstract: Magnetic nanoparticles-supported tungstic acid (MNP-TA): an efficient magnetic recyclable catalyst for the one-pot synthesis of spirooxindoles in water
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Bahareh Khakiani

Bahareh Khakiani

Bahareh Khakiani

PhD Organic Chemistry

LINKS
https://ir.linkedin.com/in/bahareh-khakiani-1a26479b

Education



Guilan University

Doctor of Philosophy (PhD), Organic Chemistry
2015
Activities and Societies: The synthesis of NanoCatalysts


Islamic Azad University

Master's degree, Organic Chemistry
2012 – 2014
Activities and Societies: The synthesis of NanoCatalysts


Guilan University

Bachelor's degree, Pure Chemistry
2007 – 2011


foroughe danesh tonekabon

High school
2002 – 2005

Publications



A highly stable and efficient magnetically recoverable and reusable Pd nanocatalyst in aqueous media heterogeneously catalysed Suzuki C–C cross-coupling reactions

Applied Organometallic Chemistry
February 7, 2015
Surface modification of Fe3O4 nanoparticles with triethoxyethylcyanide groups was used for the immobilization of palladium nanoparticles to produce Fe3O4/Ethyl-CN/Pd. The catalyst was characterized using Fourier transform infrared, wavelengthdispersive X-ray, energy-dispersive X-ray and X-ray photoelectron spectroscopies, field-emission scanning electron and transmission
electron microscopies,.
Law of Attraction


Map of University of Guilan
University of Guilan 
Higher educational institution in Rasht, Iran
The University of Guilan is an institute of higher education in Rasht, a large city bordering the Caspian Sea, in the province of Guilan, in northern Iran. It has more than 17,000 students enrolled. Wikipedia
Address: Gilan, Iran
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