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Divinyl benzene-crosslinked polystyrene supported oximino esters were prepared and developed as a new class of recyclable solid phase acylating reagents. The preparation of these reagents involved a series of polymer analogous reactions starting from styrene-divinyl benzene crosslinked polymer. The introduction of acetyl, benzoyl and p-nitrobenzoyl groups into the polymer system and acylation reaction...
Polystyrene supported oximino dithiocarbonic anhydrides are a new class of regenerable solid phase reagents for acylating amino groups selectively. The reagent was prepared by a series of polymer analogous reactions starting from 2% DVB crosslinked polystyrene resin. Polystyrene resin was converted to the aldehyde or keto resin and then to the oxime resin. Reaction of the oxime resin with carbon disulphide...
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