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274928-75-5

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274928-75-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 274928-75-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,4,9,2 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 274928-75:
(8*2)+(7*7)+(6*4)+(5*9)+(4*2)+(3*8)+(2*7)+(1*5)=185
185 % 10 = 5
So 274928-75-5 is a valid CAS Registry Number.

274928-75-5Relevant academic research and scientific papers

A highly efficient reusable homogeneous copper catalyst for the selective aerobic oxygenation sulfides to sulfoxides

Ren, Cheng,Fang, Runxing,Yu, Xiaochun,Wang, Shun

, p. 982 - 986 (2018)

Readily available copper showed efficient activity and great selectivity for the homogeneous catalysis of oxidation of sulfides to sulfoxides using molecular oxygen as the oxidant. The reaction proceeds under mild conditions in the presence of a catalytic amount of TEMPO. Importantly, the catalysts could be conveniently recovered and reused. And this methodology was proved to be applicable for the transformation of various aromatic and aliphatic sulfides into the corresponding sulfoxides with high conversion and high selectivity.

Visible-Light-Induced Photoredox Catalysis of Dye-Sensitized Titanium Dioxide: Selective Aerobic Oxidation of Organic Sulfides

Lang, Xianjun,Zhao, Jincai,Chen, Xiaodong

, p. 4697 - 4700 (2016)

TiO2 photoredox catalysis has recently attracted much interest for use in performing challenging organic transformations under mild reaction conditions. However, the reaction scheme is hampered by the fact that TiO2 can only be excit

Two-dimensional crystalline covalent triazine frameworksviadual modulator control for efficient photocatalytic oxidation of sulfides

Jin, Shangbin,Lang, Xianjun,Li, Xia,Tan, Bien,Wang, Xuepeng,Zhan, Zhen,Zhang, Siquan

, p. 16405 - 16410 (2021)

Two-dimensional crystalline covalent triazine frameworks (2D-CTFs) are emerging 2D materials with the characteristics of fully annulated conjugated structures and aromatic nitrogen-rich skeletons. Due to the difficulty in the control of the polymerization

Tertiary amine mediated aerobic oxidation of sulfides into sulfoxides by visible-light photoredox catalysis on TiO2

Lang, Xianjun,Hao, Wei,Leow, Wan Ru,Li, Shuzhou,Zhao, Jincai,Chen, Xiaodong

, p. 5000 - 5005 (2015)

The selective oxidation of sulfides into sulfoxides receives much attention due to industrial and biological applications. However, the realization of this reaction with molecular oxygen at room temperature, which is of importance towards green and sustai

Green catalysis for the selective oxidation of sulfides with high turnover numbers in water at room temperature

Zhao, Wei,Yang, Chunxia,Sun, Hongxian,Cheng, Zhiguo,Chang, Tao

, p. 19349 - 19352 (2018)

A hybrid catalyst based on monoprotonated divanadium-substituted phosphotungstate ([γ-HPV2W10O40]4?) was synthesized and used for the selective oxidation of sulfides. The catalytic system was carried out in water with hydrogen peroxide at room temperature. Unprecedented turnover numbers (TONs) for all substrates were obtained, which are much higher than previous reports.

Extending aromatic acids on TiO2 for cooperative photocatalysis with triethylamine: Violet light-induced selective aerobic oxidation of sulfides

Lang, Xianjun,Li, Hui,Li, Xia,Sheng, Wenlong,Zhou, Jun

supporting information, (2022/01/11)

Designing visible light photocatalysts with a metal oxide semiconductor as the starting material could expand a new horizon for the conversion and storage of solar energy. Here, the benchmark photocatalyst TiO2 was used to pursue this goal by a

Air atmospheric photocatalytic oxidation by ultrathin C,N-TiO2nanosheets

Cheng, Xiuyan,Zhang, Jianling,Liu, Lifei,Zheng, Lirong,Zhang, Fanyu,Duan, Ran,Sha, Yufei,Su, Zhuizhui,Xie, Fei

supporting information, p. 1165 - 1170 (2021/02/26)

Herein, we demonstrate the highly efficient photocatalytic sulfide oxidation reaction under mild conditions,i.e.in air, at room temperature and in the absence of a sacrificial reagent, co-catalyst or redox mediator, by using ultrathin C,N-TiO2nanosheets as a photocatalyst.

Catalyst-free visible light-mediated selective oxidation of sulfides into sulfoxides under clean conditions

Fan, Qiangwen,Zhu, Longwei,Li, Xuhuai,Ren, Huijun,Wu, Guorong,Zhu, Haibo,Sun, Wuji

supporting information, p. 7945 - 7949 (2021/11/01)

A facile and efficient visible-light-mediated method for directly converting sulfides into sulfoxides under clean conditions without using any photocatalysts is reported. This method exhibited favourable compatibility with functional groups and afforded a series of sulfoxides with high selectivity and yields. Moreover, in order to shed more light on such a transformation, detailed mechanism studies were carried out both experimentally and theoretically. The readily accessible, low-cost and eco-friendly nature of the developed method will endow it with attractive applications in chemical synthesis.

Sulfoxide and Sulfone Synthesis via Electrochemical Oxidation of Sulfides

Lee, Sunwoo,Park, Jin Kyu

, p. 13790 - 13799 (2021/10/12)

The oxidation of diaryl sulfides and aryl alkyl sulfides to the corresponding sulfoxides and sulfones under electrochemical conditions is reported. Sulfoxides are selectively obtained in good yield under a constant current of 5 mA for 10 h in DMF, while sulfones are formed as the major product under a constant current of 10 or 20 mA for 10 h in MeOH. The oxygen of both the sulfoxide and sulfone function is derived from water.

Bridging green light photocatalysis over hierarchical Nb2O5for the selective aerobic oxidation of sulfides

Ma, Xiaoming,Hao, Huimin,Sheng, Wenlong,Huang, Fengwei,Lang, Xianjun

supporting information, p. 2214 - 2222 (2021/02/09)

Nb2O5is a colourless metal oxide that is very promising in areas such as energy storage and optical glasses. These applications depend on the superior redox properties of Nb2O5compared to those of other metal ox

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