scholarly journals Lewis Acid and Base Catalysis of YNbO 4 Toward Aqueous‐Phase Conversion of Hexose and Triose Sugars to Lactic Acid in Water

ChemCatChem ◽  
2019 ◽  
Vol 12 (1) ◽  
pp. 350-359 ◽  
Author(s):  
Minjune Kim ◽  
Silvia Ronchetti ◽  
Barbara Onida ◽  
Nobuyuki Ichikuni ◽  
Atsushi Fukuoka ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Aqueous Phase ◽  
Lewis Acid ◽  
Base Catalysis ◽  
Phase Conversion ◽  
Acid And Base ◽  
Lewis Acid And Base ◽  
Acid And Base Catalysis

Synergetic effect of Lewis acid and base in modified Sn-β on the direct conversion of levoglucosan to lactic acid

2020 ◽  
Vol 10 (9) ◽  
pp. 2986-2993
Author(s):  
Wenda Hu ◽  
Zixin Chi ◽  
Yan Wan ◽  
Shuai Wang ◽  
Jingdong Lin ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Lewis Acid ◽  
Synergetic Effect ◽  
Direct Conversion ◽  
Acid And Base ◽  
Lewis Acid And Base

The synergetic effect of Lewis acid and base in modified Sn-β boosts the yield of lactic acid produced from levoglucosan.

scholarly journals Lewis acid / Base-free Strategy for the Synthesis of 2-Arylthio and Selenyl Benzothiazole / Thiazole and Imidazole

2021 ◽  
Vol 27 (1) ◽  
pp. 17-23
Author(s):  
Guniganti Balakishan ◽  
Gullapalli Kumaraswamy ◽  
Vykunthapu Narayanarao ◽  
Pagilla Shankaraiah
Keyword(s):  
Lewis Acid ◽  
Bond Formation ◽  
Acid Base ◽  
Mechanistic Pathway ◽  
Wide Range ◽  
Acid And Base ◽  
Lewis Acid And Base ◽  
Sulfur Bond

Abstract A Cu(II)-catalyzed Csp2-Se and Csp2-Sulfur bond formation was achieved with moderate to good yields without the aid of Lewis acid and base. The reaction is compatible with a wide range of heterocycles such as benzothiazole, thiazole, and imidazole. Also, this typical protocol is found to be active in thio-selenation via S-H activation. Additionally, we proposed a plausible mechanistic pathway involving Cu(III) putative intermediate.

Combined theoretical and experimental study on alcoholysis of amides on CeO2 surface: A catalytic interplay between Lewis acid and base sites

2018 ◽  
Vol 303 ◽  
pp. 256-262 ◽  
Author(s):  
Takashi Kamachi ◽  
S.M.A. Hakim Siddiki ◽  
Yoshitsugu Morita ◽  
Md. Nurnobi Rashed ◽  
Kenichi Kon ◽  
...  
Keyword(s):  
Experimental Study ◽  
Lewis Acid ◽  
Acid And Base ◽  
Lewis Acid And Base

Role of the Surface Lewis Acid and Base Sites in the Adsorption of CO2 on Titania Nanotubes and Platinized Titania Nanotubes: An in Situ FT-IR Study

2013 ◽  
Vol 117 (24) ◽  
pp. 12661-12678 ◽  
Author(s):  
Kaustava Bhattacharyya ◽  
Alon Danon ◽  
Baiju K.Vijayan ◽  
Kimberly A. Gray ◽  
Peter C. Stair ◽  
...  
Keyword(s):  
Lewis Acid ◽  
Titania Nanotubes ◽  
Acid And Base ◽  
Ft Ir ◽  
Ir Study ◽  
Adsorption Of Co2 ◽  
Lewis Acid And Base
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