Chiral Amino-Acid-Amide Based Ionic Liquids as a Stereoselective Organocatalyst in Asymmetric Transfer Hydrogenation of Acetophenone at Room-Temperature

2018 ◽  
Vol 3 (9) ◽  
pp. 2623-2625 ◽  
Author(s):  
Balasaheb R. Javle ◽  
Anil K. Kinage
2019 ◽  
Vol 149 (9) ◽  
pp. 2368-2375 ◽  
Author(s):  
Pralhad A. Burate ◽  
Balasaheb R. Javle ◽  
Pranjal H. Desale ◽  
Anil K. Kinage

Catalysts ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 671
Author(s):  
Chad M. Bernier ◽  
Joseph S. Merola

A series of chiral complexes of the form Ir(NHC)2(aa)(H)(X) (NHC = N-heterocyclic carbene, aa = chelated amino acid, X = halide) was synthesized by oxidative addition of -amino acids to iridium(I) bis-NHC compounds and screened for asymmetric transfer hydrogenation of ketones. Following optimization of the reaction conditions, NHC, and amino acid ligands, high enantioselectivity was achieved when employing the Ir(IMe)2(l-Pro)(H)(I) catalyst (IMe = 1,3-dimethylimidazol-2-ylidene), which asymmetrically reduces a range of acetophenone derivatives in up to 95% enantiomeric excess.


Author(s):  
Lajos Gera ◽  
Daniel C. Chan ◽  
Vitalija Simkeviciene ◽  
Paul A. Jr Bunn ◽  
John M. Stewart

2015 ◽  
Vol 17 (32) ◽  
pp. 20687-20698 ◽  
Author(s):  
Serena De Santis ◽  
Giancarlo Masci ◽  
Francesco Casciotta ◽  
Ruggero Caminiti ◽  
Eleonora Scarpellini ◽  
...  

Fourteen cholinium-amino acid based room temperature ionic liquids were prepared using a cleaner synthetic method. Chemicophysical properties were well correlated with the wide range of amino acid chemical structures.


2016 ◽  
Vol 358 (24) ◽  
pp. 4006-4018 ◽  
Author(s):  
Jèssica Margalef ◽  
Tove Slagbrand ◽  
Fredrik Tinnis ◽  
Hans Adolfsson ◽  
Montserrat Diéguez ◽  
...  

2013 ◽  
Vol 78 (23) ◽  
pp. 12251-12256 ◽  
Author(s):  
Anna Skogh ◽  
Rebecca Fransson ◽  
Christian Sköld ◽  
Mats Larhed ◽  
Anja Sandström

ChemInform ◽  
2011 ◽  
Vol 42 (41) ◽  
pp. no-no
Author(s):  
Shaohua Gou ◽  
Zhongbin Ye ◽  
Jing Chang ◽  
Guangjun Gou ◽  
Mingming Feng

1971 ◽  
Vol 12 (47) ◽  
pp. 4477-4480 ◽  
Author(s):  
M.D Grove ◽  
M.E Daxenbichler ◽  
D. Weisleder ◽  
C.H VanEtten

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