2) asymmetric hydrogenation
不对称氢化反应
1.
The recent advances in the asymmetric hydrogenation of heteroaromatic compounds with ho- mogeneous and heterogeneous systems were reviewed.
对均相和非均相体系中芳香杂环化合物的不对称氢化反应进行了归纳总结。
3) asymmetric addition
不对称加成反应
1.
Recent developments in organozinc reagents on asymmetric addition catalyzed by sul- fur-containing chiral ligands are reviewed according to the type and number of the coordinating atoms.
按配位原子的数目和种类进行分类,综述了近年来含硫的手性配体在有机锌试剂和醛等化合物的不对称加成反应中的最新研究进展。
2.
The recent advancement of the asymmetric addition of organozinc reagents to ketones and α-ketoesters is reviewed according to the type of the chiral ligands, with an emphasis on the introduction of the ligands with high efficiency and high selectivity.
按照手性配体的结构类型分类,综述了近年来有机锌试剂对酮、α-酮酯等化合物的不对称加成反应的研究进展,对高效、高选择性的手性配体在该类反应中的应用进行了重点评述。
4) Asymmetric hydrogenation
不对称加氢
1.
Preparation of heterogeneous chiral catalysts and their application to asymmetric hydrogenation;
多相手性催化剂的制备及其对不对称加氢反应的催化作用
2.
Asymmetric Hydrogenations of Acetophenone and Its Derivatives over Ir/HAP Modified by (1S,2S)-DPEN
(1S,2S)-1,2-二苯基乙二胺修饰Ir/HAP催化苯乙酮及其衍生物的不对称加氢反应
3.
The catalytic performance of ruthenium phosphine complex [RuCl_2(TPPTS)_2]_2(TPPTS: trisodium salt of tri(m-sulfophenyl) phosphine) using((1S,2S)-1,2-diphenyl-1,2-ethylene) diamine sulfonate disodium(((1S,2S)DPENDS)) as chiral modifier for the asymmetric hydrogenation of acetophenone and its derivatives in an organic/aqueous biphase catalytic system was investigated.
将手性二胺(1S,2S)-1,2-二苯基乙二胺二磺酸钠((1S,2S)-DPENDS)修饰的钌膦配合物用于催化水/有机两相体系中苯乙酮的不对称加氢。
5) enantioselective hydrogenation
不对称加氢
1.
Trickle-bed reactor model for enantioselective hydrogenation ofethyl 2-oxo-4-phenylbutyrate;
2-氧代-4-苯基丁酸乙酯不对称加氢滴流床反应器模型
2.
Based on the proposed mechanism, kinetic models were established for the enantioselective hydrogenation and the parameters were estimated by fitting the experimental data.
采用10,11-二氢辛可尼定修饰的Pt/Al2O3催化体系,不对称加氢合成(R)-2-羟基-4-苯基丁酸乙酯,研究了各因素影响反应速率和光学收率的一般规律。
3.
Ethyl((R)-2-hydroxy-4-phenylbutyrate) was synthesized from ethyl(2-oxo-4-phenylbutyrate) by enantioselective hydrogenation on Pt/(γ-Al_2O_3) modified by(10,11-dihydrocinchonidine.
采用10,11-二氢辛可尼定修饰的Pt/-γAl2O3催化2-氧代-4-苯基丁酸乙酯不对称加氢合成(R)-2-羟基-4-苯基丁酸乙酯,考察了修饰剂用量、底物浓度、氢压和反应温度对加氢反应速率和光学选择性的影响。
6) asymmetric transfer hydrogenation
不对称氢转移反应
1.
The asymmetric transfer hydrogenation using 2-propanol as the hydrogen source is a practical and versatile method for obtaining secondary alcohols because of the inexpensive reagents and operational simplicity.
考察了它们与过渡金属Ir和Rh形成的配合物在苯乙酮不对称氢转移反应中的催化活性和不对称诱导作用。
2.
The chiral third generation dendritic catalyst based on (1S,2R)-norephedrine could be readily re- covered and reused in asymmetric transfer hydrogenation for acetophenone, and could be used three runs with the almost maintained enantioselectivities.
以(1S,2R)-降麻黄碱为核心的第三代手性树状催化剂在对苯乙酮的不对称氢转移反应中可以方便的回收并循环使用。
3.
The synthetic conditions ofcompound 1,2 and 3 were investigated,and their asymmetric transfer hydrogenation with chiral catalyst(S,S)-Ru-TsDPEN(5)were studied in the paper.
本文以苯乙醇胺类药物福莫特罗、沙丁胺醇和拉贝洛尔的前手性酮中间体4-苄氧基-3-硝基-α-溴代苯乙酮(1)、2-溴代-1-(2,2-二甲基四氢-1,3-苯并二氧杂芑基)-6-乙酮(2)和5-溴乙酰水杨酰胺(3)为研究对象,对化合物1、2、3的合成工艺进行考察,并对它们在(S,S)-Ru-TsDPEN(5)催化下的不对称氢转移反应进行研究。
补充资料：加氢反应器
分子式：
分子量：
CAS号：
性质：加氢装置中进行加氢反应的设备。在工艺上应满足：（1）反应物在反应器中分布均匀，与催化剂接触良好；（2）及时排出反应热，避免超温；（3）合适的反应器长径比，防止催化剂粉碎，避免催化床层压降过大。根据工艺特点分为固定床和沸腾床两种。
分子量：
CAS号：
性质：加氢装置中进行加氢反应的设备。在工艺上应满足：（1）反应物在反应器中分布均匀，与催化剂接触良好；（2）及时排出反应热，避免超温；（3）合适的反应器长径比，防止催化剂粉碎，避免催化床层压降过大。根据工艺特点分为固定床和沸腾床两种。
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