简介：Anovelpolymer-bound1,2-diol,3-polystyrylsulfonyl-1,2-propanediol(6)hadbeenpreparedbythereactionofsodiumpolystyrylsulfinatewithallylbromide,followedbyoxidationand.hydrolysisordirectlywith3-chloro-1,2-propanediolinthepresenceofaphasetransfercatalyst,n-tetrabutylammoniumiodide.Thecapacityofresin6forterephthaidehydereached1.43mmol/g.Thealdehydicgroupsattachedtopolymer6reactedwithhydroxylaminehydrochlorideorreducedbysodiumborohydridegivingp-formylbenzaldoxime(yield:89%)andp-formyl-benzalcohol(yield:734%),respectively.Thehighyieldsofthesepolymer-supportedreactionsshowedthatthepolymer6possessedtheeffectiveisolationofitsreactivesites.
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