2024-03-29T09:33:11Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/768032022-11-17T02:08:08Zhdl_2115_20045hdl_2115_139Aliphatic Polyketones as Shapable Molecular ChainsInokuma, YasuhideAliphatic polyketones are structurally flexible compounds that can induce and fix various conformations using ketone-related molecular interactions and reactions, such as hydrogen-bonding interactions and nucleophilic additions, respectively. These characteristics are advantageous to create structurally diverse molecules. However, difficulty in synthesis and reaction control of aliphatic polyketones depends on the ketone sequence. Recently, a new ketone sequence comprising alternating 1,3- and 1,4-diketone subunits was developed using stepwise oligomerization of an acetylacetone derivative. This sequence allowed preparation of the polyketone chains as their discrete forms with fixed chain length. Thus, various compounds including chromophores and coordination assemblies were generated through chemo-, regio-, and stereoselective transformations. This account focuses on the recent developments in molecular synthesis using aliphatic polyketone chains bearing an alternating 1,3- and 1,4-diketone sequence.有機合成化学協会Journal Articlehttp://hdl.handle.net/2115/768030037-9980AN0024521X有機合成化学協会誌7711107810852019-11-01enginfo:doi/10.5059/yukigoseikyokaishi.77.1078none