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1、PolymerJournal(2018)50,83–94&2018TheSocietyofPolymerScience,Japan(SPSJ)Allrightsreserved0032-3896/18www.nature.com/pjREVIEWSequence-controlledpolymersviareversible-deactivationradicalpolymerizationMakotoOuchi1andMitsuoSawamoto2Thedevelopmentofreversi
2、ble-deactivationradicalpolymerization(RDRP)hasmadeagreatcontributionnotonlyincontrollingthemolecularweightandterminalstructuresbutalsointheprecisesynthesisofcopolymers.AnadditionaldesignforcontrolledpropagationviaRDRPcouldleadtocontroloftheorderofrep
3、eatingunits,thatis,the‘sequencecontrol’,whichhasbeenrecognizedastheultimatecontrolofprecisionpolymerizations.Inthisreviewarticle,someconceptsandmethodologiesaresummarizedforsynthesizingsequence-controlledpolymersbasedonRDRP.PolymerJournal(2018)50,83–
4、94;doi:10.1038/pj.2017.66;publishedonline25October2017REVERSIBLE-DEACTIVATIONRADICALPOLYMERIZATIONchangedevenwithRDRPbecausethepropagatingspeciesisbasicallyRadicalpolymerizationismorepracticalthanionicpolymerizationsthesameasinfreeradicalpolymerizati
5、on.becauseavarietyofmonomerscanbecopolymerizedwithouttheneedtoprotectthepolarpendantgroupduetoactiveandneutralSEQUENCEINPOLYMERSCIENCEpropagationspecies.Inaddition,thedevelopmentofreversible-Peptides,whicharerepresentativepolymersinnature,canbecalled
6、deactivationradicalpolymerization(RDRP),1whichisalsocalledcopolymersthatconsistofavarietyofaminoacidunits.Surprisingly,controlled/livingradicalpolymerization,hasopenedthedoorforthealthoughasmanyas20kindsofaminoacidshavebeenusedasprecisesynthesisof‘un
7、iform’polymerswithcontrolledmolecularcommoners,theadditionorderforthepropagationisperfectlyweightsandterminalgroupsandthepreciseconnectionofdifferentprogrammedunderthecentraldogmafromDNA.11Theorderofsegments,assymbolizedbyblockcopolymersandgraftcopol
8、ymers.aminoacidresidues(i.e.,pendantgroups),thatis,the‘sequence’,isThegrowingradicalpropagatingspecies(i.e.,activespecies)isessentialfordeterminingthree-dimensionalstructuresandtheirreversiblydeactivatedwithaleavinggrouptoproduceadormantfunctions.How
