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Our group is investigating heterogeneous organometallic catalysis in water that has many advantages over typical homogeneous catalysis like easy purification as well as being environmentally friendly. Various supporters are studied for this purpose. We developed Poly(NIPAM-co-4-VP) thermo-sensitive hydrogel and used them as a supporter for palladium and gold. Moreover, we found another interesting reverse phase silica supporter for palladium. These catalyst show high catalytic activity and excellent recyclability for the carbon-carbon coupling reactions, such as Suzuki-Miyaura, Heck-Mizoroki, Sonogashira and A-3 coupling reactions in water. We are also investigating such heterogeneous catalyst based on metals like Copper, Rhodium, Rhuthenium in aqueous conditions.

computers, mobile phones, navigation devices, flat screen TVs, and public information display (PID) devices, among many others. To enhance the optical efficiency of LCDs, optical films with a high refractive index have been used in the BLU. In particular, high refractive chemicals have been the subject of recent investigations to enhance the optical efficiency of BLUs. We efficiently synthesized photocurable, high refractive 2-naphthol epoxy-modified urethane acrylate (2-NEUA) from 2-naphthol. The refractive index of 2-NEUA was higher than that of 2-naphthol epoxy acrylate (2-NEA), presumably because it contains more integrated aromatic rings and therefore has a higher electron density than 2-NEA. Furthermore, we critically evaluated the effects of 2-NEUA on the mechanical properties of UV curable films.