1) chiral diquaternary amm onium salts
手性双季铵盐
2) chiral quaternary ammonium salt
手性季铵盐
1.
Synthesis of new type chiral quaternary ammonium salt-porphyrin compounds;
几种新型手性季铵盐-卟啉化合物的合成
2.
This article reviews the recent advances in the application of chiral quaternary ammonium salts as phase-transfer catalysts in asymmetric catalytic reactions, including the alkylation of active methylene group, the Michael addition reaction, the epoxidation of chalcones, the Darzens condensation, the synthesis of azacyclopropanes, the aldol condensation and the Horner-Wadsworth-Emmons reaction.
叙述了手性季铵盐类相转移催化剂在不对称催化反应 (包括活性亚甲基的烷基化、Michael加成、双键的环氧化、Darzens缩合、氮杂环丙烷的合成、羟醛缩合以及Horner Wadsworth Emmons反应 )中应用的新进展 。
3.
Chiral quaternary ammonium salts and chiral crown ethers were introduced as phase transfer catalysts, their applications in asymmetric addition, substitution, oxidation and reduction were also presented with 97 references.
综述了手性季铵盐和手性冠醚两类手性相转移催化剂及其在不对称催化反应(包括加成、取代、氧化及还原等反应)中的应用。
3) N-chiral quaternary ammonium salts
N-手性季铵盐
1.
A substituted reaction in the synthesis of N-chiral quaternary ammonium salts based on linear amino acid;
基于链状氨基酸N-手性季铵盐合成中的取代反应研究
4) chiral bisquaternary ammonium salt
二元手性季铵盐
5) bisquaternary ammonium salt
双季铵盐
1.
The N, N-dimethyl dodecylamine and 1,4-dibromobutane were taken as the raw material to synthesize the bisquaternary ammonium salt (BQAS).
新型杀菌剂双季铵盐以其低毒、性能优良而受到广泛的关注。
2.
A kind of bisquaternary ammonium salt (BQA)was synthesized .
合成了一种双季铵盐缓蚀剂 (BQA) ,分别用腐蚀失重法和电化学测试法研究了其在HCl介质中对碳钢的缓蚀作用及缓蚀机理 。
3.
Influence of the mole ratio of formic acid to methyl alcohol and chloroacetic acid on the synthetic reaction of bisquaternary ammonium salt was investigated.
考察了甲酸、甲醇和氯乙酸配比对双季铵盐合成反应的影响 ,当n(1,3 丙二胺 )∶n(甲酸 )∶n(甲醛 ) =1 0∶4 0∶6 4 ;n(氯乙酸 )∶n(十六醇 ) =1 2∶1 0 ,胺甲基化收率为 6 3 1% ,季铵化收率为82 1% ,二步总收率为 5 1 8%。
6) bis-ammonium salts
双季铵盐
1.
Synthesis and antimicrobial properties of the lysine with pendant bis-ammonium salts;
侧链带有脂肪族双季铵盐的赖氨酸的合成及抗菌性能分析
2.
In order to solve the two problems mentioned above of biocidal polyurethane with QAS groups,Polyurethanes were synthesized from the chain extender with pendant bis-ammonium salts.
为了解决单铵盐抗菌聚氨酯存在的对革兰氏阴性细菌抗菌性能差、扩链剂用量大的问题,合成了硬段侧链含有双季铵盐的系列聚氨酯。
3.
The surface properties of the novel polyurethans with alkyl bis-ammonium salts group(C8PUs) were studied by contact angle test and XPS test.
研究所合成的硬段侧链含有双季铵盐的系列聚氨酯的表面性能和抗菌性能。
补充资料:1-N-羟乙基-2-烷基咪唑啉季铵盐
分子式:
CAS号:
性质:透明液体。溶于乙醇、二甲苯、三氯乙烯、石油溶剂、石蜡油和稀的硫酸、磷酸、盐酸和醋酸分散于水,对稀酸稳定,能灼伤和刺激皮肤。有助黏、分散、润湿、起泡和抗蚀性能。用作临时性的抗蚀剂、含溶剂的油漆、清漆、油、蜡和柏油乳液的助黏剂,颜料分散剂,酸性清洗剂。由氨乙基单乙醇胺与脂肪酸反应而得。
CAS号:
性质:透明液体。溶于乙醇、二甲苯、三氯乙烯、石油溶剂、石蜡油和稀的硫酸、磷酸、盐酸和醋酸分散于水,对稀酸稳定,能灼伤和刺激皮肤。有助黏、分散、润湿、起泡和抗蚀性能。用作临时性的抗蚀剂、含溶剂的油漆、清漆、油、蜡和柏油乳液的助黏剂,颜料分散剂,酸性清洗剂。由氨乙基单乙醇胺与脂肪酸反应而得。
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