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