Visible-Light-Induced Photoacid Catalysis: Application in Glycosylation with O-Glycosyl Trichloroacetimidates

2021 ◽  
Author(s):  
Gaoyuan Zhao ◽  
Juncheng Li ◽  
Ting Wang
Keyword(s):  
Visible Light ◽  
Light Irradiation ◽  
Eosin Y ◽  
Glycosyl Donors

The development of visible-light-induced photoacid catalyzed glycosylation is reported. The eosin Y and PhSSPh catalysts system are applied to realize the glycosylation with different glycosyl donors upon light irradiation. The...

Highly active dye-sensitized photocatalytic H2 evolution catalyzed by a single-atom Pt cocatalyst anchored onto g-C3N4 nanosheets under long-wavelength visible light irradiation

2018 ◽  
Vol 42 (17) ◽  
pp. 14083-14086 ◽  
Author(s):  
Yuan Xue ◽  
Yonggang Lei ◽  
Xiangyu Liu ◽  
Yanan Li ◽  
Wanan Deng ◽  
...  
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Light Irradiation ◽  
Single Atom ◽  
Eosin Y ◽  
H2 Evolution ◽  
Long Wavelength ◽  
Dye Sensitized ◽  
Highly Active ◽  
Photocatalytic H2 Evolution

A single-atom Pt cocatalyst anchored onto g-C3N4 nanosheets could efficiently catalyze H2 evolution from an Eosin Y-sensitized system under 520 nm irradiation.

Hydrogen Production over Eosin Y-Sensitized Pt-Loaded Layered Lanthanum Niobate under Visible Light Irradiation

2013 ◽  
Vol 815 ◽  
pp. 567-573
Author(s):  
Xiao Pei Zhang ◽  
Yue Lin Wei ◽  
Shu Hong Chen ◽  
Jing Xu ◽  
Huang Zhao ◽  
...  
Keyword(s):  
Visible Light ◽  
Hydrogen Evolution ◽  
Visible Light Irradiation ◽  
Hydrogen Generation ◽  
Energy Dispersive Spectrometer ◽  
Light Irradiation ◽  
Eosin Y ◽  
X Ray Diffraction ◽  
Dye Sensitization ◽  
X Ray

A novel and highly efficient photocatalyst, Eosin Y-sensitized Pt-intercalated nanotube Pt/HLa Nb2O7, was found to be very active for hydrogen generation within triethanolamine (TEOA) solution as the electron donor under visible-light irradiation (λ420 nm). The photocatalysts were characterized by X-ray diffraction (XRD), UV-vis diffuse reflectance spectra (DRS), scan electron microscope (SEM) and energy dispersive spectrometer (EDS). The results showed that the significant enhancement of photocatalytic activity was achieved via Pt intercalating and subsequent dye sensitization of Pt/HLaNb2O7. The highest rate for hydrogen evolution was 4.45 mmol·g-1·h-1under irradiation with a wavelength longer than 420 nm, and the probable mechanism of photosensitized hydrogen evolution have also been discussed.

A noble-metal-free photocatalytic hydrogen production system based on cobalt(iii) complex and eosin Y-sensitized TiO2

RSC Advances ◽  
2015 ◽  
Vol 5 (3) ◽  
pp. 1852-1858 ◽  
Author(s):  
Mingcai Yin ◽  
Shuang Ma ◽  
Chaojun Wu ◽  
Yaoting Fan
Keyword(s):  
Hydrogen Production ◽  
Visible Light ◽  
Hydrogen Evolution ◽  
Noble Metal ◽  
Visible Light Irradiation ◽  
Production System ◽  
Homogeneous System ◽  
Light Irradiation ◽  
Eosin Y ◽  
Metal Free

With CoL2 as cocatalyst and eosin Y as sensitizer, the noble-metal-free heterogeneous CoL2/TiO2 system shows much efficient and more stable hydrogen evolution activity than that of the homogeneous system under visible light irradiation.

Efficient hydrogen evolution over Sb doped SnO2 photocatalyst sensitized by Eosin Y under visible light irradiation

Nano Energy ◽  
2017 ◽  
Vol 36 ◽  
pp. 331-340 ◽  
Author(s):  
Liuqing Yang ◽  
Jianfeng Huang ◽  
Li Shi ◽  
Liyun Cao ◽  
Wei Zhou ◽  
...  
Keyword(s):  
Visible Light ◽  
Hydrogen Evolution ◽  
Visible Light Irradiation ◽  
Light Irradiation ◽  
Eosin Y

Eosin Y-Sensitized Photocatalytic Reaction of Tertiary Aliphatic Amines with Arenesulfonyl Chlorides under Visible-Light Irradiation

Synlett ◽  
2017 ◽  
Vol 28 (13) ◽  
pp. 1630-1635 ◽  
Author(s):  
Ronghua Zhang ◽  
Yuguo Cai ◽  
Deli Sun ◽  
Song Xu ◽  
Qiguang Zhou
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Environmentally Friendly ◽  
Light Irradiation ◽  
Aliphatic Amines ◽  
Eosin Y ◽  
Photocatalytic Reaction ◽  
Wide Range ◽  
Optimized Conditions ◽  
Selective Formation

A mild, practical, and environmentally friendly route to vinyl sulfones and sulfonamides has been developed based on the reaction of aliphatic amines with arenesulfonyl chlorides in the presence of eosin Y as a photocatalyst under visible light. The method permits the selective formation of vinyl sulfones or sulfonamides, depending on the oxidation environment and solvent. A wide range of products were obtained in moderate to good yields under the optimized conditions.

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