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Kiasat, Ali Reza,Badri, Rashid,Sayyahi, Soheil Korean Chemical Society 2009 Bulletin of the Korean Chemical Society Vol.30 No.5
Aromatic aldehydes are efficiently self-condensed into $\alpha$-hydroxy carbonyl compounds by polystyrene-supported ammonium cyanide as an excellent organocatalyst in C-C bond formation. The reaction proceeds in water under mild reaction conditions. The polymeric catalyst can be easily separated by filtration and reused several times without appreciable loss of activity.
Polyethylene Glycol: A Cheap and Efficient Medium for the Thiocyanation of Alkyl Halides
Ali Reza Kiasat,Mehdi Fallah-Mehrjardi 대한화학회 2008 Bulletin of the Korean Chemical Society Vol.29 No.12
A novel, efficient and eco-friendly method is described for the synthesis of alkyl thiocyanates from alkyl halides. The reaction was carried out by treatment of various alkyl halides with ammonium thiocyanate in polyethylene glycol as reaction media. This procedure afforded the corresponding alkyl thiocyanates in high yields without formation of isothiocyanates as by-products.
Ali Reza Kiasat,Rashid Badri,Soheil Sayyahi 대한화학회 2009 Bulletin of the Korean Chemical Society Vol.30 No.5
Aromatic aldehydes are efficiently self-condensed into α-hydroxy carbonyl compounds by polystyrene-supported ammonium cyanide as an excellent organocatalyst in C-C bond formation. The reaction proceeds in water under mild reaction conditions. The polymeric catalyst can be easily separated by filtration and reused several times without appreciable loss of activity.
Mohammad Reza Ramezani,Zeinab Ansari-Asl,Elham Hoveizi,Ali Reza Kiasat 한국섬유공학회 2020 Fibers and polymers Vol.21 No.5
Fabrication of nanofibrous scaffolds of biodegradable polymers provides a great premise for several biologicalapplications. In this study, nanofibrous polycaprolactone (PCL) mats incorporating Fe-MOF (PCL/x%Fe-MOF, x=5, 10, 20)were fabricated by electrospinning technique. The Fe-MOFs were separately synthesized by the hydrothermal method andthen were added to PCL solution for preparation of nanofibrous composites. The presence of Fe-MOF in the fibers wasdemonstrated by various methods including FT-IR (Fourier-transform infrared), PXRD (powder X-ray diffraction), EDS(energy dispersive X-ray spectroscopy) mapping, SEM (scanning electron microscope), and TEM (transmission electronmicroscope). In the FT-IR spectra of the nanocomposites, the characteristic bands for the pure PCL and Fe-MOF showed nosignificant change in their positions, suggesting a weak chemical interaction with each other, although they physically mixeduniformly. Nanofibrous structure of the as-prepared nanocomposites was confirmed by SEM and TEM images. The diameterof PCL nanofibers was measured to be 369 nm. Biological investigations indicated that the experimented scaffolds includingPCL/5%Fe-MOF and PCL/10%Fe-MOF nanofibrous scaffolds provided appropriate surface and mechanical properties suchas cellular biocompatibility, high porosity, chemical stability, and optimum fiber diameter for cell adhesion, viability, andproliferation compared with PCL and PCL/20%Fe-MOF nanocomposites. Indeed, our results demonstrated that percent ofFe-MOF in the composites played a significant role in cell attachment and viability. Also, according to the implantationstudies, up to at least 4 weeks, none of the animals showed any inflammatory response. Totally, we can be claimed that themodified electrospun scaffolds have been developed for tissue engineering applications.