@article { author = {Louie, Omid and Massoudi, Abdoulhossien and Agah, Azar}, title = {Synthesis and characterization of termini azobenzene dendrimer}, journal = {Iranian chemical communication}, volume = {1}, number = {Issue 1, pp. 1-82, Serial No.1}, pages = {1-6}, year = {2013}, publisher = {}, issn = {2423-4958}, eissn = {2345-4806}, doi = {}, abstract = {Some organic molecules can be isomerized upon photoirradiation and when accompanied by a change in the visible absorption spectrum, it is called photochromism. Azobenzenes are important part of molecular machines and nanotechnology, Which are This phenomenon is called photoisomerization Azobenzene (azo) chromophores , and have been incorporated into a wide variety of materials and molecular architectures, including polymers, dendrimers, and molecular glasses. We synthesized and characterized the AB2 type polyamidoamine (PAMAM) dendrimers by single active site. PAMAM diazobenzene dendrimer was synthesized and characterized by FTIR and NMR (1H, 13C) and CHN-O Elementary analysis. The simple method can be used for the synthesis of Azobenzene derivative PAMAM dendrimer and other similar compounds.}, keywords = {Azodibenzoic acid,PAMAM dendrimers,termini group}, url = {https://icc.journals.pnu.ac.ir/article_457.html}, eprint = {https://icc.journals.pnu.ac.ir/article_457_b818e39a097f05cd63a3dadc1e371708.pdf} } @article { author = {Sajjadifar, Sami and Saeidian, Hamid and Zare, Sayeh and Veisi, Hojat and Rezayati, Sobahn}, title = {Hantzsch reaction using [Mesi]Cl as a new, efficient and BAIL catalyst}, journal = {Iranian chemical communication}, volume = {1}, number = {Issue 1, pp. 1-82, Serial No.1}, pages = {7-24}, year = {2013}, publisher = {}, issn = {2423-4958}, eissn = {2345-4806}, doi = {}, abstract = {In this work, the efficiency, generality and applicability of new Bronsted acidic ionic liquid (BAIL) 1-methyl-3-(2-(sulfooxy)ethyl)-1H-imidazol-3-ium chloride {[Msei]Cl} as heterogeneous and green catalyst for organic transformations are studied. Herein, the following one-pot multi-component reactions in the presence of [Msei]Cl are investigated: (i) the synthesis of quinoxaline derivatives from the reaction of phenylenediamines and 1,2-diketones in EtOH under mild conditions (room temper-ature), (ii) the preparation of 1,4-dihydropyridines from one-pot multi component condensation of 1,3-dicarbonyl compounds, NH4OAcand aldehydes under solvent-free conditions at moderate temperature (90 °C). High yields, relatively short reaction times, efficiency, generality, clean process, simple methodology, low cost, easy work-up, ease of preparation and regeneration of the catalyst and green conditions (in the synthesis of the quinoxaline derivatives) are advantages of the application of [Mesi]Cl as catalyst in the above organic reactions.}, keywords = {Hantzsch reaction,quinoxaline synthesis,1-methyl-3-(2-(sulfooxy)ethyl)-1H-imidazol-3-ium chloride {[Msei]Cl},solid acid,ionic liquid,green chemistry}, url = {https://icc.journals.pnu.ac.ir/article_458.html}, eprint = {https://icc.journals.pnu.ac.ir/article_458_6b3adeba6687174a8bfccae190f25ef5.pdf} } @article { author = {Zeinivand, Javad and Yousefzadeh, Noorkhoda}, title = {Essential oil composition of Achillea millefolium growing in Darrehshahr township}, journal = {Iranian chemical communication}, volume = {1}, number = {Issue 1, pp. 1-82, Serial No.1}, pages = {25-34}, year = {2013}, publisher = {}, issn = {2423-4958}, eissn = {2345-4806}, doi = {}, abstract = {Achillea millefolium belong to the asteraceae family and from genus achillea. In this study essential oils were extracted from all aerial parts via hydro distillation (HD) method by clevenger set . By using of gas chromatography/mass spectrometry ( GC-MS) technique the chemicals component essential oil were identified. About 41 components with were identified which encompassed 97.66 percent of the whole essential oil. The essential oil yields as a result of hydro distillation 0.56 percent (weight/weight) was obtained (it has been based on dried materials). In essential oils Achillea millefolium dihydrocarveol (34.97%), umbelulone (16.65%), 1,8 cineole (14.94%), bornyl acetate (6.08%), chrysanthenyle acetate cis (5.24%), camphene (4.21%), para-cymene (3.29%) and α-pinene (3.24%) were the major identified compounds. The purpose of this study was to identify the constituents of essential oils extracted from plants and also to determine the percentage of each compound in the essential oil of Achillea millefolium used as drug.}, keywords = {Achillea millefolium,essential oils,clevenger,1,8-cineole,GC-MS}, url = {https://icc.journals.pnu.ac.ir/article_453.html}, eprint = {https://icc.journals.pnu.ac.ir/article_453_15c3855bb13508c97e8c03b083de241a.pdf} } @article { author = {Rezaee Nezhad, Eshagh and Abbasi, Zahra and Rahimi Moghaddam, Mojtaba and Attaei, Mohammad Ali}, title = {Ni2+ supported on hydroxyapatite-core@shell γ-Fe2O3 nanoparticles as new and green catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones under solvent-free condition}, journal = {Iranian chemical communication}, volume = {1}, number = {Issue 1, pp. 1-82, Serial No.1}, pages = {35-42}, year = {2013}, publisher = {}, issn = {2423-4958}, eissn = {2345-4806}, doi = {}, abstract = {The aim of this research is to study Ni2+ supported on hydroxyapatite-core-shell magnetic γ-Fe2O3 nanoparticles (γ-Fe2O3@HAp-Ni2+) as a green and recyclable catalyst for the Biginelli reaction under solvent-free conditions. One-pot multi-component condensation of 1,3-dicarbonyl compounds, urea and aldehydes at 80 oC affords the corresponding compounds in high yields and in short reaction times using γ-Fe2O3@HAp-Ni2+. The catalyst can be readily isolated using an external magnet and no obvious loss of activity was observed when the catalyst was reused in seven consecutive runs. The mean size and the surface morphology of the nanoparticles were characterized by transmission electron microscopy, scanning electron microscope, vibrating sample magnetometry, X-ray powder diffraction and Fourier transform infrared techniques.}, keywords = {γ-Fe2O3,Ni2+ supported,nanoparticles,dihydropyrimidinone,Solvent-free condition}, url = {https://icc.journals.pnu.ac.ir/article_454.html}, eprint = {https://icc.journals.pnu.ac.ir/article_454_39290d1ca6228404e15f6dcecd958159.pdf} } @article { author = {Kazemia, Mosstafa and Noori, Zahra and Kohzadi, Homa and Sayadia, Mohsen and Kazemia, Amin}, title = {A mild and efficient procedure for the synthesis of ethers from various alkyl halides}, journal = {Iranian chemical communication}, volume = {1}, number = {Issue 1, pp. 1-82, Serial No.1}, pages = {43-50}, year = {2013}, publisher = {}, issn = {2423-4958}, eissn = {2345-4806}, doi = {}, abstract = { A simple, mild and practical procedure has been developed for the synthesis of symmetrical and unsymmetrical ethers by using DMSO, TBAI in the presence of K2CO3. We extended the utility of  Potassium carbonate as an efficient base for the preparation of ethers. A wide range of alkyl aryl and dialkyl ethers are synthesized from treatment of aliphatic alcohols and phenols with various alkyl halides in the presence of efficient base Potassium carbonate. Secondary alkyl halides were easily converted to corresponding ethers in relatively good yields . This is a mild, simple and practical procedure for the preparation of ethers in high yields and suitable times under mild condition.}, keywords = {Phenols,ethers,tetrabutylammonium iodide,alkyl halides,Synthesis}, url = {https://icc.journals.pnu.ac.ir/article_455.html}, eprint = {https://icc.journals.pnu.ac.ir/article_455_69f6e377296f2794837bb61e2e48b68f.pdf} } @article { author = {Hojatia, Seyyedeh Fatemeh and Nikoofar, Kobra and Etemadifara, Zahra}, title = {1,3-Dibromo-5,5-dimethylhydantoin: a versatile catalyst for synthesis of 3,3-bis(indolyl)oxindoles}, journal = {Iranian chemical communication}, volume = {1}, number = {Issue 1, pp. 1-82, Serial No.1}, pages = {51-58}, year = {2013}, publisher = {}, issn = {2423-4958}, eissn = {2345-4806}, doi = {}, abstract = {A condensation of various isatins with indole derivatives has been carried out in the presence of 1,3-dibromo-5,5-dimethylhydantoin (DBDMH) as catalyst at 50 °C in ethanol in order to form 3,3-bis(indolyl) oxindoles. The products were obtained within 20-90 min by 70-96% yields. The efficacy of the procedure has been confirmed by catalyzing the condensation reaction of pyrrole which was used as another sort of heterocycle with indole to obtain its corresponding 3,3-bis(2-pyrrolyl)oxinole. A plausible mechanism of the condensation based on DBDMH activating role has also been proposed. DBDMH is an effective, commercially available, insensitive to moisture and easily handling catalyst. Simple procedure, easy work-up, mild reaction conditions, high yields and short reaction times are the highlighted points of reported method.}, keywords = {γ-Fe2O3,Ni2+ supported,nanoparticles,dihydropyrimidinone,Solvent-free condition}, url = {https://icc.journals.pnu.ac.ir/article_465.html}, eprint = {https://icc.journals.pnu.ac.ir/article_465_c4099a20c627bfddb188af83da50a9a3.pdf} } @article { author = {Louie, Omid and Massoudi, Abdolhossein and Ramezani, Soodabeh}, title = {Theoretical models for determination of weight percent of PHCS-g-PLLA co polymer using experimental data}, journal = {Iranian chemical communication}, volume = {1}, number = {Issue 1, pp. 1-82, Serial No.1}, pages = {59-68}, year = {2013}, publisher = {}, issn = {2423-4958}, eissn = {2345-4806}, doi = {}, abstract = {The amphiphilic graft copolymer using chitosan (CS) as hydrophilic segment and poly (L-lactic acid) (PLLA) as hydrophobic segment, was prepared through a protection-graft-de protection route. Chitosan is a polysaccharide comprising of copolymers of glucosamine and N-acetyl glucosamine. Chitosan is the deacetylated derivative of chitin, which is one of the most abundant natural polysaccharides containing nitrogen .A simple and convenient procedure for chemo selectively protecting the amino groups of CS was developed to provide N-phthaloyl-chitosan (PHCS) that is indispensable as a soluble N-protected precursor for further controlled modification reaction of CS. The Weight percent PHCS-g-PLLA copolymer determined by the theoretical Models based on experimental datas.It was low error regression in new models.}, keywords = {Chitosan,PHCS-g-PLLA,CS-g-PLLA,Graft copolymer}, url = {https://icc.journals.pnu.ac.ir/article_480.html}, eprint = {https://icc.journals.pnu.ac.ir/article_480_6990320dde06d86a80bff24bd21faa82.pdf} } @article { author = {Naghipour, Ali and Sayadi, Mohsen and Hashemi, Mojdeh and Kazemi, Mosstafa}, title = {Application of dimeric and monomeric ortho-palladated complexes as an efficient catalysts for Heck cross-coupling reaction}, journal = {Iranian chemical communication}, volume = {1}, number = {Issue 1, pp. 1-82, Serial No.1}, pages = {69-82}, year = {2013}, publisher = {}, issn = {2423-4958}, eissn = {2345-4806}, doi = {}, abstract = {The catalytic acvtivity of dimeric and monomeric ortho-palladated complexes [Pd{C6H2(CH2NH2-(OMe)2,3,4}(µ-Cl)]2)2) and [Pd{C6H2(CH2NH2-(OMe)2,3,4}Cl(PPh3)](3), was investigated in Heck cross-coupling reaction. These complexes are more active and efficient catalysts for Heck cross-coupling reaction. The palladium complexes 2 and 3 is employed in the Heck cross-coupling reaction between styrene and acrylate with several aryl halides. High yields of corresponding C–C products, low catalyst loadings, mild reaction conditions and short reaction times are important features of these homogeneous reactions. The cross-coupled products were produced in high yields using catalytic amounts of [Pd{C6H2(CH2NH2-(OMe)2,3,4}(µ-Cl)]2 or [Pd{C6H2(CH2NH2-(OMe)2,3,4}Cl(PPh3)] as a thermally stable and oxygen insensitive complexes in NMP at 130 ºC.}, keywords = {Orthopalladated,catalyst,Heck cross-coupling}, url = {https://icc.journals.pnu.ac.ir/article_489.html}, eprint = {https://icc.journals.pnu.ac.ir/article_489_37b78632ce1655c08fa5900ede3e1827.pdf} }