Direct asymmetric hydrogenation of α-keto acids by using the highly efficient chiral spiro iridium catalysts

2014 ◽  
Vol 50 (100) ◽  
pp. 15987-15990 ◽  
Author(s):  
Pu-Cha Yan ◽  
Jian-Hua Xie ◽  
Xiang-Dong Zhang ◽  
Kang Chen ◽  
Yuan-Qiang Li ◽  
...  
Keyword(s):  
Asymmetric Hydrogenation ◽  
Reaction Conditions ◽  
Iridium Catalysts ◽  
Highly Efficient ◽  
Keto Acids

The Ir/SpiroPAP catalyzed direct asymmetric hydrogenation of α-keto acids under mild reaction conditions has been developed.

ChemInform Abstract: Direct Asymmetric Hydrogenation of α-Keto Acids by Using the Highly Efficient Chiral Spiro Iridium Catalysts.

ChemInform ◽  
2015 ◽  
Vol 46 (17) ◽  
pp. no-no
Author(s):  
Pu-Cha Yan ◽  
Jian-Hua Xie ◽  
Xiang-Dong Zhang ◽  
Kang Chen ◽  
Yuan-Qiang Li ◽  
...  
Keyword(s):  
Asymmetric Hydrogenation ◽  
Iridium Catalysts ◽  
Highly Efficient ◽  
Keto Acids

ChemInform Abstract: Chiral Iridium Catalysts Bearing Spiro Pyridine-Aminophosphine Ligands Enable Highly Efficient Asymmetric Hydrogenation of β-Aryl β-Ketoesters.

ChemInform ◽  
2012 ◽  
Vol 43 (20) ◽  
pp. no-no
Author(s):  
Jian-Hua Xie ◽  
Xiao-Yan Liu ◽  
Xiao-Hui Yang ◽  
Jian-Bo Xie ◽  
Li-Xin Wang ◽  
...  
Keyword(s):  
Asymmetric Hydrogenation ◽  
Iridium Catalysts ◽  
Highly Efficient

Chiral Iridium Catalysts Bearing Spiro Pyridine-Aminophosphine Ligands Enable Highly Efficient Asymmetric Hydrogenation of β-Aryl β-Ketoesters

2011 ◽  
Vol 51 (1) ◽  
pp. 201-203 ◽  
Author(s):  
Jian-Hua Xie ◽  
Xiao-Yan Liu ◽  
Xiao-Hui Yang ◽  
Jian-Bo Xie ◽  
Li-Xin Wang ◽  
...  
Keyword(s):  
Asymmetric Hydrogenation ◽  
Iridium Catalysts ◽  
Highly Efficient

Chiral Iridium Catalysts Bearing Spiro Pyridine-Aminophosphine Ligands Enable Highly Efficient Asymmetric Hydrogenation of β-Aryl β-Ketoesters

2011 ◽  
Vol 124 (1) ◽  
pp. 205-207 ◽  
Author(s):  
Jian-Hua Xie ◽  
Xiao-Yan Liu ◽  
Xiao-Hui Yang ◽  
Jian-Bo Xie ◽  
Li-Xin Wang ◽  
...  
Keyword(s):  
Asymmetric Hydrogenation ◽  
Iridium Catalysts ◽  
Highly Efficient

Catalytic asymmetric hydrogenation reaction by in situ formed ultra-fine metal nanoparticles in live thermophilic hydrogen-producing bacteria

Nanoscale ◽  
2021 ◽  
Author(s):  
Wei Bing ◽  
Faming Wang ◽  
Yuhuan Sun ◽  
Jinsong Ren ◽  
Xiaogang Qu
Keyword(s):  
Metal Nanoparticles ◽  
Catalytic Hydrogenation ◽  
Asymmetric Hydrogenation ◽  
Environmentally Friendly ◽  
Hydrogenation Reaction ◽  
Highly Efficient ◽  
Hydrogenation Reactions ◽  
Live Bacteria ◽  
Catalytic Asymmetric Hydrogenation

An environmentally friendly biomimetic strategy has been presented and validated for the catalytic hydrogenation reaction in live bacteria. In situ formed ultra-fine metal nanoparticles can realize highly efficient asymmetric hydrogenation reactions.

scholarly journals A two step synthesis of a key unit B precursor of cryptophycins by asymmetric hydrogenation

2011 ◽  
Vol 7 ◽  
pp. 243-245 ◽  
Author(s):  
Benedikt Sammet ◽  
Mathilde Brax ◽  
Norbert Sewald
Keyword(s):  
Asymmetric Hydrogenation ◽  
Synthetic Route ◽  
Reaction Conditions ◽  
High Yields

A novel highly enantioselective two step access to a unit B precursor of cryptophycins in good yields from commercially available starting materials has been developed. The key step is an asymmetric hydrogenation using the commercially available [(COD)Rh-(R,R)-Et-DuPhos]BF4 catalyst. The synthetic route provides the advantage of less synthetic steps, proceeds with high yields and enantioselectivity, and avoids hazardous reaction conditions.

Preparation of aromatic amines by copper-catalyzed coupling of boronic acids with aqueous ammonia

2010 ◽  
Vol 88 (9) ◽  
pp. 964-968 ◽  
Author(s):  
Zhaoqiong Jiang ◽  
Zhiqing Wu ◽  
Lixia Wang ◽  
Di Wu ◽  
Xiangge Zhou
Keyword(s):  
Aromatic Amines ◽  
Aqueous Ammonia ◽  
Environmentally Friendly ◽  
Boronic Acids ◽  
Reaction Conditions ◽  
Highly Efficient ◽  
Primary Aromatic Amines

A simple, highly efficient, and environmentally friendly protocol for the synthesis of primary aromatic amines by catalytic coupling of aromatic boronic acids with aqueous ammonia has been developed by using commercial and inexpensive CuSO4·5H2O as catalyst without addition of other solvents under mild reaction conditions.

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