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82408-02-4

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82408-02-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82408-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,4,0 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 82408-02:
(7*8)+(6*2)+(5*4)+(4*0)+(3*8)+(2*0)+(1*2)=114
114 % 10 = 4
So 82408-02-4 is a valid CAS Registry Number.

82408-02-4Downstream Products

82408-02-4Relevant articles and documents

A novel magnetic nanocatalyst Fe3O4@TiO2-H5IO6 for the green synthesis of 4-substituted-1,5-benzodiazepine derivatives

Ahmadzadeh, Fatemeh,Etemad, Jamileh,Farahi, Mahnaz,Karami, Bahador

, p. 456 - 465 (2021/08/21)

In this study, periodic acid-functionalized magnetic support (Fe3O4@TiO2-H5IO6) as a new, benign and recyclable nanocatalyst was prepared by anchoring / periodic acid onto TiO2-coated nano-Fe3O4. This catalyst was applied to achieve a high-efficiency, low-cost and eco-friendly approach for synthesizing 4-substituted-1,5-benzodiazepines with the multicomponent reactions of aromatic aldehydes, o-phenylenediamine, and dimedone. The / periodic acid group on Fe3O4@TiO2 possesses both Lewis and Br?nsted acidity, which is responsible for the high catalyst activity. The obtained results show that the catalyst performance has been acceptable in the presented research. / The catalyst could be recovered and reused up to six times without any notable decrease in its activity.

Synthesis and characterization of CoFe2O4@SiO2@NH-NH2-PCuW as an acidic nano catalyst for the synthesis of 1,4-benzodiazepines and a powerful dye remover

Savari, Ali,Heidarizadeh, Fariba,Pourreza, Nahid

, p. 233 - 247 (2019/05/08)

A novel magnetic heterogeneous nanocatalyst CoFe2O4@SiO2@NH-NH2-PCuW was synthesized and characterized. This powerful catalyst possesses Br?nsted and Lewis acid properties. The presence of Cu enhances the acidity of this catalyst because of the increase in the electron deficiency of polyoxometalate. It was successfully applied for the easy and efficient one-pot synthesis of 1,4-benzodiazepine derivatives directly from dimedone, o-phenylenediamine, and an aromatic aldehyde under a solvent-free condition at 80 °C. High yields in short reaction times, easy work-up, and environmental friendliness are some of the advantages of this protocol. Also, this nanocatalyst could conveniently be recovered by a magnetic field and reused several times without a significant loss of catalytic efficiency. The synthesized nanocatalyst CoFe2O4@SiO2@NH-NH2-PCuW also proved to be an excellent adsorbent for dye removal. These properties are related to the high surface area because of the nanostructure and high acidity due to the presence of Cu in polyoxometalate. Moreover, magnetic properties help better recovering of this adsorbent for dye removed from wastewater.

Microwave-assisted synthesis of 11-substituted-3,3-dimethyl-2,3,4,5,10,11-hexahydrodibenzo[b,e][1,4]diazepin-1-one derivatives catalysed by silica supported fluoroboric acid as potent antioxidant and anxiolytic agents

Bhagat, Kavita,Singh, Atamjit,Dhiman, Suruchi,Vir Singh, Jatinder,Kaur, Ramandeep,Kaur, Gurinder,Kaur Gulati, Harmandeep,Singh, Palwinder,Kumar, Raman,Salwan, Rajan,Bhagat, Kajal,Singh, Harbinder,Sharma, Sahil,Singh Bedi, Preet Mohinder

, p. 2200 - 2217 (2019/11/03)

Keeping in view the successive attributes of benzodiazepines on the central nervous system, we have synthesized a novel series of benzodiazepine derivatives as antioxidant and anxiolytic agents. All the compounds were obtained in good yield by facile synt

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