甲苯磺酰氯
- 网络Tosyl chloride;p-Toluenesulfonyl Chloride
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通过改变6单对甲苯磺酰基β环糊精合成方法中对甲苯磺酰氯的加入方式,将反应产率由文献报道的7%,11%提高到18%,并讨论了反应条件对产率的影响;
The productivity of mono-6-O-tosyl β - cyclodextrin is promoted from 7 % , 11 % reported in previous literature to about 18 % through changing the adding mode of tosyl chloride . The effect of reaction conditions on the productivity is also concerned .
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对甲苯磺酰氯的合成研究
Study Synthesis of p-Toluenesulfonyl Chloride
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二乙醇胺和对甲苯磺酰氯在三乙胺存在下,反应生成N,0,O′-三(对甲苯磺酰基)双(2-羟乙基)胺,产率93%。
In the presence of triethylamine , N , O , O ' - tris ( p-toluenesulfonyl ) his ( 2-hydroxyethyl ) amine was prepared in 93 % yield by tosylation of diethanolamine with p-toluenesulfonyl chloride .
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以4-甲苯磺酰氯活化的棉纤维为载体,对固定化菊粉酶的条件进行探讨。
Inulinase from Aspergillus ficuum SK004 was immobilized on cotton cloth activated with p-toluenesulfonyl chloride ( tosyl chloride ) .
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同时,还改进了对甲苯磺酰氯和对甲苯磺酰甘氨酸的合成方法。
The improved methods for the syntheses of tolylsulfonyl chloride and Np-tolysulfonyl amino acids have been described in this work .
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本文以硫化钠和对甲苯磺酰氯为原料,对对甲苯硫代磺酸钠的合成工艺进行了改进。
P-Toluene thio sulfonic acid sodium salt has been synthesized with sodium sulfide and p-toluenesulfonyl chloride as the raw materials .
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研究了不同反应介质、操作方式、反应温度等对β-环糊精与对甲苯磺酰氯磺酰化反应的影响。
Effects of media , temperature and operation mode on the tosylation of 1 β cyclodextrin with p TsCl were studied .
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研究了纤维素葡萄糖残基与对甲苯磺酰氯的摩尔比、纤维素原料(软木纤维素,棉纤维素以及蒸汽闪爆处理的软木纤维素、棉纤维素)种类及溶解方法对合成产物取代度的影响。
Moreover , effect of molar ratio of AGU / tosylchloride , cellulosic starting materials ( cotton linters , wood pulp and them treated by steam explosion ) and dissolution method of cellulose on DS_ ( Tos ) of cellulose tosylate was discussed .
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采用对甲苯磺酰氯法,用聚乙二醇对青霉素酰化酶进行化学修饰,修饰酶的比活为未修饰酶的75%,稳定性比游离酶有了很大提高。
Polyethyleneglycol ( PEG ) activated by tosyl chloride was used to modify penicillin acylase ( PAC ) . The stability of the PEG PAC was much better than the free PAC . The activity of the modified enzyme was 75 % of free enzyme .