1) transfer hydrogenation
转移氢化
1.
Asymmetric hydrogenation of ketone is one of the most important and widely used synthetic methods to produce chiral alcohols in both organic synthesis and chemical industry In 1990s,Noyori and co-workers developedη~6-arene Ru(Ⅱ) complex withβ-diamines ligand which is efficient in transfer hydrogenation of ketones instead of H_2-hydrogenation of ketones in neutral and basic conditions.
该催化剂在碱性条件下主要发生转移氢化反应,很难发生氢气氢化反应。
2) hydrogen transfer hydrogenation
氢转移氢化
3) Catalytic transfer hydrogenation
催化转移氢化
1.
Application of ammonium formate in catalytic transfer hydrogenation;
甲酸铵在催化转移氢化反应中的应用
2.
Then the ( E) α Alkenyl- γ butyrolactones were reduced to α alkyl- γ butyrolactones by using sodium hypophosphite with Pd/C catalyst,which is named to be reaction of catalytic transfer hydrogenation.
首先 ,在醇钠存在下 ,严格控制反应温度为 0～ 10℃ ,以内酯与芳香醛类化合物 ,选择性地缩合为α 烯基内酯 ( 1a～ 1i)产率 4 0 %～99% ,进而采用催化转移氢化的方法 ,在Pd C存在下 ,用NaH2 PO2 氢化还原上述缩合中间物 ,使有效地转化为α 烷基化γ 丁内酯 ,产率 5 5 %～ 99% ( 2a～ 2e)。
4) asymmetric transfer hydrogenation
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。
5) catalytic transfer hydrogenation
催化转移加氢
1.
Latest advances in catalytic transfer hydrogenation were reviewed.
催化转移加氢法是有机合成中常用的一种加氢方法,由于使用的氢源不是氢气,而是其他一些含有氢的多原子化学物质,使得其加氢过程与用氢气的加氢过程相比,具有安全性高、反应温度低、设备要求低和选择性高等优点。
2.
In this thesis, the proper catalysts and related reaction conditions for the synthesis of 3,5-dioxocyclohexane carboxylic acid, a important pesticide intermediate prepared from 3,5-dihydroxybenzoic acids via catalytic transfer hydrogenation on the supported Pd.
首先，本文以间-苯二酚为模型物，考察了负载Pd系催化剂在催化转移加氢反应中的可行性。
6) Transfer catalytic hydrogenation
转移催化加氢
补充资料：转移
转移
metastasis
恶性肿瘤细胞(有时还指侵入的病原体）通过血管、淋巴管或其他途径，从原发病灶扩散到与其不直接相连的部位或器官，并在扩散区形成了同样的病变，如结核菌的转移，恶性肿瘤的转移。
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