1) asymmetric transfer hydrogenation
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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。
2) Asymmetric transfer hydrogenation reaction
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不对称氢转移反应
1.
After consulting a lot of literatures, this dissertation, we describe the design and synthesis of a series ofβ–keto sulfones, and the realization of DKR of these substrates via asymmetric transfer hydrogenation reaction.
不对称氢转移反应是选择性地还原醛、酮及亚胺等化合物的重要方法之一,条件温和,操作简便。
3) asymmetry proton shift reaction
![点击朗读](/dictall/images/read.gif)
不对称氢质子转移化反应
4) asymmetric transfer hydrogenation of acetophenone
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苯乙酮的不对称氢转移反应
1.
These chiral ligands were further applied in the asymmetric addition of diethylzinc to aldehyde and asymmetric transfer hydrogenation of acetophenone.
特别在钌催化的苯乙酮的不对称氢转移反应中,二茂铁基氨基醇4b以最好99。
5) asymmetric phase transfer reactions
![点击朗读](/dictall/images/read.gif)
不对称相转移反应
6) asymmetric transfer hydrogenation
![点击朗读](/dictall/images/read.gif)
不对称转移氢化
1.
The new chiral iridium(I) complex catalysts were successfully applied to asymmetric transfer hydrogenation of various aromatic ketones an.
进而将其用于催化酮的不对称转移氢化和消旋二级醇的氧化动力学拆分,获得了非常高的手性效率。
2.
With Rh complex(Rh-4 or Rh-9) as catalyst and HCO2Na·2H2O as hydrogen source,highly efficient asymmetric transfer hydrogenation of aromatic ketone in water was achieved.
当以铑络合物(Rh-4或Rh-9)为催化剂,以甲酸钠为氢源,进行水相中芳香酮的不对称转移氢化反应时,Rh-4显示了较高的催化活性。
补充资料:氢转移反应
分子式:
CAS号:
性质:反应物分子中的氢原子从一个基团转移到同一分子或另一反应物分子中的另一个基团的反应。如石油催化裂化反应时,环烷烃与烯烃在催化剂作用下通过氢转移反应生成芳香烃和烷烃。
CAS号:
性质:反应物分子中的氢原子从一个基团转移到同一分子或另一反应物分子中的另一个基团的反应。如石油催化裂化反应时,环烷烃与烯烃在催化剂作用下通过氢转移反应生成芳香烃和烷烃。
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