Metal free visible light driven oxidation of alcohols to carbonyl derivatives using 3,6-di(pyridin-2-yl)-1,2,4,5-tetrazine (pytz) as catalyst

RSC Advances ◽  
2015 ◽  
Vol 5 (102) ◽  
pp. 84328-84333 ◽  
Author(s):  
Suvendu Samanta ◽  
Papu Biswas
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Room Temperature ◽  
Light Irradiation ◽  
Metal Free ◽  
Carbonyl Derivatives ◽  
Oxidation Of Alcohols ◽  
Visible Light Driven ◽  
High Yields

A metal-free transformation of alcohols to the corresponding carbonyls in high yields under visible-light irradiation has been achieved at room temperature using di(pyridin-2-yl)-1,2,4,5-tetrazine (pytz) as catalyst.

A metal-free route to alkynyl sulfones under photoinduced conditions with the insertion of sulfur dioxide

2020 ◽  
Vol 22 (6) ◽  
pp. 1906-1910 ◽  
Author(s):  
Xinxing Gong ◽  
Min Yang ◽  
Jin-Biao Liu ◽  
Fu-Sheng He ◽  
Xiaona Fan ◽  
...  
Keyword(s):  
Sulfur Dioxide ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Room Temperature ◽  
Light Irradiation ◽  
Metal Free

A metal-free route to alkynyl sulfones under photoinduced conditions is accomplished, starting from 4-alkyl Hantzsch esters, sulfur dioxide, and alkynyl bromides under visible light irradiation at room temperature.

A photo-auxiliary approach – enabling excited state classical phototransformations with metal free visible light irradiation

2017 ◽  
Vol 53 (10) ◽  
pp. 1692-1695 ◽  
Author(s):  
Akila Iyer ◽  
Steffen Jockusch ◽  
Jayaraman Sivaguru
Keyword(s):  
Excited State ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Uv Light ◽  
Light Irradiation ◽  
Metal Free ◽  
High Yields

To address the problem of using UV light to initiate traditional photoreactions, hydrazide based chromophores are evaluated as a “photo-auxiliary“ with visible light using a metal free photocatalyst to afford photoproducts in high yields.

Visible light driven hydrogen evolution with a noble metal free CuGa2In3S8 nanoparticle system in water

2016 ◽  
Vol 6 (17) ◽  
pp. 6536-6541 ◽  
Author(s):  
Tarek A. Kandiel ◽  
Georgina A. M. Hutton ◽  
Erwin Reisner
Keyword(s):  
Visible Light ◽  
Hydrogen Evolution ◽  
Noble Metal ◽  
Visible Light Irradiation ◽  
Precious Metals ◽  
Light Irradiation ◽  
Metal Free ◽  
Visible Light Driven ◽  
Nanoparticle System

Visible light irradiation of CGIS nanoparticles with a Ni salt displayed superior sacrificial H2 evolution activity than when employing the precious metals Pt, Rh and Ru.

Oxidative organophotoredox catalysis: a regioselective synthesis of 2-nitro substituted imidazopyridines and 3-substituted indoles, initiated by visible light

2016 ◽  
Vol 40 (11) ◽  
pp. 9694-9701 ◽  
Author(s):  
Snehlata Yadav ◽  
Madhulika Srivastava ◽  
Pratibha Rai ◽  
Bhartendu Pati Tripathi ◽  
Anu Mishra ◽  
...  
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Room Temperature ◽  
Bond Formation ◽  
Light Irradiation ◽  
Regioselective Synthesis ◽  
Metal Free

Intramolecular C–N heterocyclization and C–C bond formation under visible light irradiation at room temperature was accomplished with a metal-free photoredox catalyst.

scholarly journals g-C3N4/γ-Fe2O3/TiO2/Pd: a new magnetically separable photocatalyst for visible-light-driven fluoride-free Hiyama and Suzuki–Miyaura cross-coupling reactions at room temperature

2020 ◽  
Vol 44 (27) ◽  
pp. 11513-11526 ◽  
Author(s):  
Roya Jahanshahi ◽  
Asma Khazaee ◽  
Sara Sobhani ◽  
José Miguel Sansano
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Room Temperature ◽  
Cross Coupling ◽  
Light Irradiation ◽  
Coupling Reactions ◽  
Cross Coupling Reactions ◽  
Visible Light Driven ◽  
Magnetically Separable

g-C3N4/γ-Fe2O3/TiO2/Pd is developed as a new magnetically separable photocatalyst for efficient fluoride-free Hiyama and Suzuki–Miyaura cross-coupling reactions at room temperature under visible light irradiation.

Refining active sites and hydrogen spillover for boosting visible-light-driven ammonia synthesis at room temperature

2021 ◽  
Author(s):  
Rong Fu ◽  
Ziye Pan ◽  
Xiaowei Mu ◽  
Jiayang Li ◽  
Qingyun Zhan ◽  
...  
Keyword(s):  
Visible Light ◽  
Visible Light Irradiation ◽  
Active Sites ◽  
Room Temperature ◽  
Ammonia Synthesis ◽  
Pt Nanoparticles ◽  
Hydrogen Spillover ◽  
Light Irradiation ◽  
Visible Light Driven

Efficient ammonia synthesis was achieved by Mo, Pt modified TiO2−x under visible light irradiation. Pt nanoparticles trigger hydrogen spillover from Pt to Mo, enabling facile NH3 assembly and desorption, as well as increasing free Mo active sites.

In2S3/BiOI composites boost visible-light photocatalytic degradation of tetracycline hydrochloride

CrystEngComm ◽  
2021 ◽  
Author(s):  
Panbing Hu ◽  
Yanmei Xin ◽  
Congfei Yao ◽  
Yuqing Miao
Keyword(s):  
Visible Light ◽  
Photocatalytic Degradation ◽  
Visible Light Irradiation ◽  
Room Temperature ◽  
Light Irradiation ◽  
Tetracycline Hydrochloride ◽  
Structure And Morphology ◽  
Morphology Characterization ◽  
Visible Light Photocatalytic

The In2S3/BiOI composites were synthesized at room temperature which significantly improved the photocatalytic degradation performance of tetracycline hydrochloride (TC) under visible light irradiation. Structure and morphology characterization have been performed...

Visible light-driven novel g-C3N4/NiFe-LDH composite photocatalyst with enhanced photocatalytic activity towards water oxidation and reduction reaction

2015 ◽  
Vol 3 (36) ◽  
pp. 18622-18635 ◽  
Author(s):  
Susanginee Nayak ◽  
Lagnamayee Mohapatra ◽  
Kulamani Parida
Keyword(s):  
Photocatalytic Activity ◽  
Composite Materials ◽  
Visible Light ◽  
Water Splitting ◽  
Visible Light Irradiation ◽  
Water Oxidation ◽  
Reduction Reaction ◽  
Light Irradiation ◽  
Composite Photocatalyst ◽  
Visible Light Driven

Dispersion of exfoliated CN over the surface of exfoliated LDH composite materials, and its photocatalytic water splitting under visible-light irradiation.

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