Mechanochemical, Water‐Assisted Asymmetric Transfer Hydrogenation of Ketones Using Ruthenium Catalyst

ChemCatChem ◽  
2021 ◽  
Author(s):  
Vanessza Judit Kolcsár ◽  
György Szöllösi
Keyword(s):  
Ruthenium Catalyst ◽  
Transfer Hydrogenation ◽  
Asymmetric Transfer Hydrogenation

scholarly journals Manganese Catalyzed Asymmetric Transfer Hydrogenation of Ketones Using Chiral Oxamide Ligands

Synlett ◽  
2019 ◽  
Vol 30 (04) ◽  
pp. 503-507 ◽  
Author(s):  
Jacob Schneekönig ◽  
Kathrin Junge ◽  
Matthias Beller
Keyword(s):  
Isopropyl Alcohol ◽  
Ruthenium Catalyst ◽  
Hydrogen Donor ◽  
Transfer Hydrogenation ◽  
Asymmetric Transfer Hydrogenation ◽  
Reaction Conditions ◽  
Active Systems ◽  
Manganese Catalysts

The asymmetric transfer hydrogenation of ketones using isopropyl alcohol (IPA) as hydrogen donor in the presence of novel manganese catalysts is explored. The selective and active systems are easily generated in situ from [MnBr(CO)5] and inexpensive C 2-symmeric bisoxalamide ligands. Under the optimized reaction conditions, the Mn-derived catalyst gave higher enantioselectivity compared with the related ruthenium catalyst.

A pH-Responsive Soluble-Polymer-Based Homogeneous Ruthenium Catalyst for Highly Efficient Asymmetric Transfer Hydrogenation (ATH)

ChemPlusChem ◽  
2016 ◽  
Vol 81 (6) ◽  
pp. 541-549 ◽  
Author(s):  
Yinzheng Xie ◽  
Mengpan Wang ◽  
Xiaohui Wu ◽  
Chen Chen ◽  
Wenbo Ma ◽  
...  
Keyword(s):  
Ruthenium Catalyst ◽  
Transfer Hydrogenation ◽  
Ph Responsive ◽  
Asymmetric Transfer Hydrogenation ◽  
Soluble Polymer ◽  
Highly Efficient

Enantioselective Synthesis of 1- and 4-Hydroxytetrahydrocarbazoles through Asymmetric Transfer Hydrogenation

Synlett ◽  
2018 ◽  
Vol 30 (01) ◽  
pp. 69-72 ◽  
Author(s):  
Erkan Ertürk ◽  
Ömer Dilek ◽  
Süleyman Patir
Keyword(s):  
High Activity ◽  
Ruthenium Catalyst ◽  
Enantioselective Synthesis ◽  
Transfer Hydrogenation ◽  
Asymmetric Transfer Hydrogenation ◽  
High Yields

Several 1- and 4-hydroxytetrahydrocarbazoles were prepared in high yields (up to 99%) and excellent enantiomeric excesses (up to >99% ee) from the corresponding 1- and 4-oxotetrahydrocarbazoles through asymmetric transfer hydrogenation by using the commercially available Noyori–Ikariya ruthenium catalyst. The immediate use of the freshly prepared catalyst and the use of a HCO2H–DABCO (11:6) mixture as the hydrogen source are crucial for achieving high activity and enantioselectivity. In this way, a tetrahydrocarbazole heterocycle fused to a lactone moiety was synthesized in 45% yield and 97% ee.

scholarly journals Room-Temperature Asymmetric Transfer Hydrogenation of Biomass-Derived Levulinic Acid to Optically Pure γ-Valerolactone Using a Ruthenium Catalyst

ACS Omega ◽  
2019 ◽  
Vol 4 (21) ◽  
pp. 19491-19498 ◽  
Author(s):  
Vaishali S. Shende ◽  
Amol B. Raut ◽  
Prathamesh Raghav ◽  
Ashutosh A. Kelkar ◽  
Bhalchandra M. Bhanage
Keyword(s):  
Levulinic Acid ◽  
Room Temperature ◽  
Ruthenium Catalyst ◽  
Transfer Hydrogenation ◽  
Asymmetric Transfer Hydrogenation ◽  
Optically Pure

scholarly journals Homogeneous asymmetric transfer hydrogenation of ketones using a ruthenium catalyst anchored on chitosan: natural chirality at work

2012 ◽  
Vol 36 (8) ◽  
pp. 1548 ◽  
Author(s):  
Mathieu Babin ◽  
Roxanne Clément ◽  
Jonathan Gagnon ◽  
Frédéric-Georges Fontaine
Keyword(s):  
Ruthenium Catalyst ◽  
Transfer Hydrogenation ◽  
Asymmetric Transfer Hydrogenation
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