A NEW POLYMER-BOUND 1,2-DIOL AS A PROTECTING AGENT FOR SYMMETRICAL DIALDEHYDE*
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A NEW POLYMER-BOUND 1,2-DIOL AS A PROTECTING AGENT FOR SYMMETRICAL DIALDEHYDE*
Vol. 7, Issue 4, Pages: 346-353(1989)
Affiliations:
1. Institute of Polymer Chemistry, Nankai University,Tianjin
2. Nankai University
3. Tianjin
Author bio:
Funds:
DOI:
CLC:
Published:20 December 1989
Accepted:
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[1]任启生,黄文强,赵芬芝,何炳林.A NEW POLYMER-BOUND 1,2-DIOL AS A PROTECTING AGENT FOR SYMMETRICAL DIALDEHYDE[J].Chinese Journal of Polymer Science,1989,{4}(04):346-353.
REN Qisheng, HUANG Wenqiang, ZHAO Fengzhi, et al. A NEW POLYMER-BOUND 1,2-DIOL AS A PROTECTING AGENT FOR SYMMETRICAL DIALDEHYDE*[J]. 1989, 7(4): 346-353.
[1]任启生,黄文强,赵芬芝,何炳林.A NEW POLYMER-BOUND 1,2-DIOL AS A PROTECTING AGENT FOR SYMMETRICAL DIALDEHYDE[J].Chinese Journal of Polymer Science,1989,{4}(04):346-353.DOI:
REN Qisheng, HUANG Wenqiang, ZHAO Fengzhi, et al. A NEW POLYMER-BOUND 1,2-DIOL AS A PROTECTING AGENT FOR SYMMETRICAL DIALDEHYDE*[J]. 1989, 7(4): 346-353.DOI:
A NEW POLYMER-BOUND 1,2-DIOL AS A PROTECTING AGENT FOR SYMMETRICAL DIALDEHYDE*
2-propanediol (6) had been prepared by the reaction of sodium polystyrylsulfinate with allyl bromide
followed by oxidation and. hydrolysis or directly with 3-chloro-1
2-propanediol in the presence of a phase transfer catalyst
n-tetrabutylammonium iodide. The capacity of resin 6 for terephthaidehyde reached 1.43 mmol/g. The aldehydic groups attached to polymer 6 reacted with hydroxylamine hydrochloride or reduced by sodium borohydride giving p-formylbenzaldoxime (yield: 89%)and p-formyl-benzalcohol (yield: 734%)
respectively. The high yields of these polymer-supported reactions showed that the polymer 6 possessed the effective isolation of its reactive sites.
Abstract
A novel polymer-bound 1
2-diol
3-polystyrylsulfonyl-1
2-propanediol (6) had been prepared by the reaction of sodium polystyrylsulfinate with allyl bromide
followed by oxidation and. hydrolysis or directly with 3-chloro-1
2-propanediol in the presence of a phase transfer catalyst
n-tetrabutylammonium iodide. The capacity of resin 6 for terephthaidehyde reached 1.43 mmol/g. The aldehydic groups attached to polymer 6 reacted with hydroxylamine hydrochloride or reduced by sodium borohydride giving p-formylbenzaldoxime (yield: 89%)and p-formyl-benzalcohol (yield: 734%)
respectively. The high yields of these polymer-supported reactions showed that the polymer 6 possessed the effective isolation of its reactive sites.
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