1) Dissymmetry heat
不对称加热
2) Heated symmetrically
对称加热
3) 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。
4) asymmetric addition
不对称加成
1.
Application of chiral nitrogen-containing ligands in asymmetric addition to imines with organolithium reagents;
手性含氮配体在有机锂试剂对亚胺不对称加成反应中的应用进展
2.
Application of a new chiral β-aminoalcohol in catalytic asymmetric addition of carbonyl compounds;
新型手性β-氨基醇在羰基化合物催化不对称加成反应中的应用
3.
The Study on the Asymmetric Addition Reaction of Zinc Diethyl with Aromatic Aldehyde Catalyzed by Optically Active γ-amino Alcohol;
光学活性γ-氨基醇催化二乙基锌与芳香醛不对称加成反应的研究
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) unsymmetric profile
不对称加工
补充资料:对称与非对称
反映客观事物在结构、功能、时空上的特殊联系的范畴。对称指事物以一定的中介进行某种变化时出现的不变性,非对称指事物以一定的中介进行某种变化时出现的可变性。在自然界中普遍存在,形式多样。对称有空间对称(包括形象对称和结构对称)、时间对称、概念对称等。
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