1) Benzoin cyclic carbonate
苯偶姻环碳酸酯
2) benzoin acetate
苯偶姻乙酸酯
1.
The preparation conditions were optimized by observing the effects of reaction time,n(K2CO3): n(benzoin): n((CH3CO)2O)on the yield of benzoin acetate.
以VB1为催化剂,苯甲醛为原料,通过安息香缩合反应得苯偶姻,再以无水K2CO3为催化剂,苯偶姻和乙酸酐通过酸酐醇解反应合成苯偶姻乙酸酯,研究了反应时间、碳酸钾、苯偶姻与乙酸酐的投料比对产品产率的影响。
3) furoin acetate
糠偶姻醋酸酯
1.
Furoin was synthesized by acyloin condensation starting from furfural and VB 1 as a catalyst, and followed by esterification into furoin acetate with acetic anhydride in 88%～90% yield.
以糠醛为原料，ＶＢ１为催化剂，利用偶姻缩合反应合成了糠偶姻，糠偶姻被醋酐酯化为糠偶姻醋酸酯。
4) cyclocarbonate
环碳酸酯
1.
Study on synthesis and characterization of cyclocarbonate;
多元环碳酸酯的合成与表征
2.
Nonisocyanate polyurethane(NIPU) was synthesized by aliphatic primary diamine and cyclocarbonate prepared from epoxy resin E-44.
以环氧树脂E-44为原料合成了环碳酸酯,再与脂肪族伯胺反应合成了非异氰酸酯聚氨酯。
3.
The recent research progress in nonisocyanate polyurethane(NIPU) prepared by cyclocarbonate-and amino-oligomer and synthetic mechanism wherein were reviewed in this paper.
综述了非异氰酸酯聚氨酯(NIPU)及其两种合成原料环碳酸酯齐聚物和胺类齐聚物的最新研究进展,讨论了环碳酸酯和胺类齐聚物的合成方法以及NIPU的合成机理,介绍了NIPU的应用范围、发展前景及国外企业对于此类新型材料的最新研发情况和工业动态。
5) cyclic carbonate
环碳酸酯
1.
The results demonstrated that the coupling reaction of CO2 and epoxides to form cyclic carbonates with high yield proceeds very effectively at 413 K under 1.
0 MPa条件下,以溴化锌为催化剂,苯基三甲基三溴化铵为共催化剂,无需加入任何溶剂就可以使二氧化碳和环氧化合物发生偶联反应,并以很高的收率得到环碳酸酯。
2.
New generation polyurethane, nonisocyanate polyurethane(NIPU),which shows lower permeability,higher chemical resistance and non-poisonous fabrication process compared with traditional polyurethane,is obtained from multifunctional cyclic carbonates and multifunctional primary polyamines.
由多环碳酸酯和多元胺合成而来的非异氰酸酯聚氨酯有望成为一种性能良好的绿色环保材料替代传统聚氨酯。
3.
Finally, cyclic carbonate-terminated polyether (CCP) with flexible backbone was synthesized using ETP as the raw material.
最后,本文以ETP为原料,合成了具有柔顺主链的端环碳酸酯基聚醚(CCP)。
6) Styrene carbonate
苯乙烯环状碳酸酯
1.
Styrene carbonate can be synthesized via two routes, one is the cycloaddition of CO2 to epoxides and the other is oxidative carboxylation of styrene.
溴化锌-卤化正四丁基铵二元催化剂高效催化合成苯乙烯环状碳酸酯,当n-Bu4NI/ZnBr2摩尔比为2时,在短时间内(30min)可将苯乙烯环氧化物几乎完全转化为环状碳酸酯,无其它副产物的生成。
补充资料：苯偶姻环碳酸酯
分子式：C15H10O3
分子量：238.25
CAS号：21240-34-6
性质：白色晶体。熔点75-76℃。溶于乙醇，不溶于水。
制备方法：用N,N-二甲基苯胺作催化剂，苯偶姻与光气反应，以65-70%的收率得到成品。
用途：有机合成中间体。
分子量：238.25
CAS号：21240-34-6
性质：白色晶体。熔点75-76℃。溶于乙醇，不溶于水。
制备方法：用N,N-二甲基苯胺作催化剂，苯偶姻与光气反应，以65-70%的收率得到成品。
用途：有机合成中间体。
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