1) Solid-liquid biphasic phase transfer catalysis
固液两相相转移催化
2) solid-liquid phase transfer catalysis
固-液相转移催化
1.
7-Hydroxyflavone glucoside and 7-hydroxyflavone arabinoside were synthesized by means of the solid-liquid phase transfer catalysis from 1-bromo-2,3,4,6-tetra-O-acetyl-α-D-glycopyranose and 7-hydroxyflavone using tetrabutylamino bromide as the phase transfer catalyst and potassium carbonate as the base.
对传统的合成黄酮糖苷的方法进行了改进,以溴代乙酰糖和7-羟基黄酮为原料,四丁基溴化铵为相转移催化剂,以K2CO3为除酸剂,采用固-液相转移催化法合成了7-羟基黄酮葡萄糖苷和7-羟基黄酮阿拉伯糖苷。
2.
Two N-alkyl pyrrolidone,N-octyl pyrrolidone and N-lauryl pyrrolidone,wereprepared by means of solid-liquid phase transfer catalysis in 83.
N-烷基吡咯烷酮的合成王锡臣,张颂培,祝钧(北京轻工业学院化工系北京100037)关键词烷基吡咯烷酮,固-液相转移催化,合成N-烷基吡咯烷酮可用作香波增稠剂,染发烫发调理剂,啤酒、葡萄酒中多酚洁净化剂和洗涤去渍剂等[1],其合成一般采。
3) solid-liquid phase transfer catalysis
固液相转移催化
1.
Eethyl 4-cyanotetrahydropyran-4-carboxylate was synthesized from di-(β-chloroethyl) ether,ethyl cyanoacetate and K2CO3 via solid-liquid phase transfer catalysis,using DMF as solvent and dodecyltrimethylammonium bromide(DTMAB) as catalyst[n(DTMAB)∶n(ethyl cyanoacetate)=0.
以二氯乙醚与氰乙酸乙酯为原料,通过固液相转移催化法合成4-氰基四氢吡喃-4-甲酸乙酯。
4) Liquid-liquid biphasic phase transfer catalysis
液液两相相转移催化
5) solid-liquid phase transfer catalyst
固-液相转移催化剂
1.
With BTBA used as a solid-liquid phase transfer catalyst,without addition of a substrate,the solid-liquid transfer reaction equilibrium constants to some phenolates and inorganic salts are determined.
以溴化四丁铵(BTBA)作为固-液相转移催化剂,在不加入反应底物的情况下测定了它对某些酚钾盐及无机盐的固-液相转移平衡常数,结果表明,溴化四丁铵对这些盐类的固-液相转移反应的平衡常数较大,可以用作固-液相转移反应的催化剂,测得的平衡常数与盐类的晶格能及形成的离子对的稳定常数有
6) Solid/Liquid phase trandfer
固/液相转移
补充资料:高分子相转移催化剂
分子式:
CAS号:
性质:经过高分子化的相转移催化剂。催化效率高,不污染反应物和产物,催化剂回收容易,环境污染较小。主要包括亲脂性的有机离子化合物(季铵盐和磷鎓盐)和非离子型的冠醚类化合物。
CAS号:
性质:经过高分子化的相转移催化剂。催化效率高,不污染反应物和产物,催化剂回收容易,环境污染较小。主要包括亲脂性的有机离子化合物(季铵盐和磷鎓盐)和非离子型的冠醚类化合物。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条