1 Introduction We developed novel synthetic routes to heterocyclic ring systems by using transition metal-mediated or -catalyzed reactions.A Lewis acid-promoted
1 Introduction Indazole and its derivatives have little biological significance and have not been found in natural products due to the difficulty for living org
1IntroductionIn this paper, a novel water-soluble block copolymer with rod-coil structures was prepared using polyfluorene (PF) as rod segment and polyethylene
1IntroductionThe current technology of proton exchange membrane fuel cells (PEMFC) is based on perfluorosulfonic acid (PFSA) membranes (e. g. Nafion(R)) as elec