Synthesis ways for two kinds of chelating surfactant,N-acyl ED3A and N-alkyl ED3A,were introduced.
介绍了N-酰基ED3A和N-烷基ED3A两类螯合性表面活性剂的制备工艺,并对现有各种工艺路线的优缺点做了评述,预计了其工业发展前景,展望了此类螯合性表面活性剂的发展方向。
Manufacture technology and application performance of chelating surfactant(Ⅳ)——Application of N-acyl ED3A chelating surfactant;
螯合性表面活性剂的制备工艺与应用性能(Ⅳ)——N-酰基ED3A的应用
Synthesis of acylthioureas containing 1,2,3-triazole and 1,3,4-oxadiazole;
含三氮唑及噁二唑环的酰基硫脲衍生物的合成
Synthesis and fungicidal activity of N'-(5-aryl-1,3, 4-oxadiazol-2-yl) acylthioureas;
含1,3,4-噁二唑取代的酰基硫脲的合成及杀菌活性
A daptomycin precursor-deacylase-producing strain, Actinoplanes sp.
HCCB10085),经试验得到其产生脱酰基酶的最佳培养条件为pH7。
Thirteen new aroyl ureas were synthesized by the reaction of 2-amino-5-(1o-chlorophenoxyethyl)-1,3,4-thiodiazole with aroyl isocyanates,and their structures were confirmend by IR,~(1)H NMR and elemental(analysis).
通过2-氨基-5-(1邻-氯苯氧乙基)-1,3,4噻-二唑与芳酰基异氰酸酯反应,合成了13种新的芳酰基脲。
Thirteen N-(1,3,4-thiodiazol-2-y1)-N′-aroyl ureas were synthesize d by the reaction of aroyl iso-cyanates with 2-amino-1,3,4-thiodiazole i n yields of 54.
2 氨基噻二唑与芳酰基异氰酸酯反应合成了 13种N -(1, 3, 4 噻二唑- 2基 ) N′ 的芳酰基脲,产率为54。
The effects of weight-average molecular mass(Mw) of konjac glucomannan(KGM) and acyl donors on its acylation catalyzed by an immobilized lipase Novozym 435 in t-BuOH were investigated.
研究了在有机介质叔丁醇中魔芋葡甘聚糖(KGM)的分子量及酰基供体对固定化脂肪酶Novozym 435催化KGM乙酰化反应的影响。
This article reviews the recent development in the sucrose ester's synthesis catalyzed by enzymes, namely those involving control over the enzyme, the reaction medium and the acyl donor.
本文对蔗糖酯的酶促合成研究进行了总结,其中主要涉及到酶、反应媒介和酰基供体等影响因素。