ChemInform Abstract: Enantioselective Rhodium(I)‐Catalyzed Hydrogenation of Trifluoromethyl Ketones.

Kuroki, Yoshichika; Sakamaki, Yuko; Iseki, Katsuhiko

doi:10.1002/chin.200120034

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“…Among them, (S)-α-(trifluoromethyl) benzyl alcohol is an important intermediate in the preparation of antiferroelectric liquid crystalline molecules. 2,3 Many synthesis methods of chiral drugs have been established, and optically active products are generally obtained with high conversion in a homogeneous system. 4 However, such methods usually cannot avoid the use of precious metal complexes, such as Ir, Ru, and Rh catalysts.…”

Section: ■ Introductionmentioning

confidence: 99%

One-Pot Synthesis of d-Phenylalanine-Functionalized Multiwalled Carbon Nanotubes: A Metal-Free Chiral Material for the Asymmetric Electroreduction of Aromatic Ketones

Yue

Zeng

Wang

et al. 2018

ACS Appl. Mater. Interfaces

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A simple protocol to synthesize d-phenylalanine (d-PHE)-functionalized multiwalled carbon nanotubes (MWCNTs) via the one-pot method was established by grafting d-PHE onto MWCNTs to obtain d-PHE-MWCNTs under mild reaction conditions. The resulting d-PHE-MWCNTs were characterized in detail via spectroscopy and surface analysis. The electroreduction of 2,2,2-trifluoroacetophenone at the d-PHE-MWCNTs cathode afforded ( S)-α-(trifluoromethyl) benzyl alcohol whose yield was 65% and the enantiomeric excess was 40%. No extra catalysts were required in this electrochemical reaction solution compared with other reactions requiring homogeneous catalysis. The metal-free chiral material also showed acceptable asymmetric electroreduction performance, considerable stability, and favorable reusability.

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Section: ■ Introductionmentioning

confidence: 99%

One-Pot Synthesis of d-Phenylalanine-Functionalized Multiwalled Carbon Nanotubes: A Metal-Free Chiral Material for the Asymmetric Electroreduction of Aromatic Ketones

Yue

Zeng

Wang

et al. 2018

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

show abstract

ChemInform Abstract: Enantioselective Rhodium(I)‐Catalyzed Hydrogenation of Trifluoromethyl Ketones.

Abstract: -034Enantioselective Rhodium(I)-Catalyzed Hydrogenation of Trifluoromethyl Ketones.

Cited by 1 publication

References 1 publication

One-Pot Synthesis of d-Phenylalanine-Functionalized Multiwalled Carbon Nanotubes: A Metal-Free Chiral Material for the Asymmetric Electroreduction of Aromatic Ketones

One-Pot Synthesis of d-Phenylalanine-Functionalized Multiwalled Carbon Nanotubes: A Metal-Free Chiral Material for the Asymmetric Electroreduction of Aromatic Ketones

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