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923267-41-8

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923267-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 923267-41-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,3,2,6 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 923267-41:
(8*9)+(7*2)+(6*3)+(5*2)+(4*6)+(3*7)+(2*4)+(1*1)=168
168 % 10 = 8
So 923267-41-8 is a valid CAS Registry Number.

923267-41-8Downstream Products

923267-41-8Relevant articles and documents

Green synthesis of Dy2Ce2O7 Nanoparticles Immobilized on Fibrous Nano-silica for Synthesis of 3-Aryl-2-oxazolidinones from Alkenes, Amines, and Carbon Dioxide

Feng, Li,Li, Xuhao,Xu, Chuang,Sadeghzadeh, Seyed Mohsen

, p. 1729 - 1740 (2020)

Abstract: In the present research, a new dendritic fibrous nanosilica (DFNS) based nanocatalyst (DFNS/Dy2Ce2O7) that has high surface zone as well as easy availability of active zones has been properly expanded using an easy approach. DFNS that possess high surface zone is functionalized by amino groups working as the anchors such that the nanoparticles of Dy2Ce2O7 are fine-dispersed onto the DFNS microspheres fibres, without any aggregation. The nanoparticles of Dy2Ce2O7 are produced by a green approach in the attendance of gum of ferula assa-foetida of Dy(NO3)3 and (NH4)2Ce(NO3)6 as ceric and dysprosium sources. The structural evaluation of the samples proved the synthesis of Dy2Ce2O7 NPs. Moreover, a straight way for the production of 3-aryl-2-oxazolidinones by carbon dioxide, olefins, and anilines was obtained utilizing nano catalyst of DFNS/Dy2Ce2O7 in the lack of solvent. The reaction works properly at moderate states. This method that is cheap and simple may be used to different olefins that has proper to excellent 3-aryl-2-oxazolidinones productions. The catalyst may be simply recycled for ten times without considerable losing the activity of its catalytic. Graphic Abstract: [Figure not available: see fulltext.]

A Metal-Free Synthesis of N-Aryl Oxazolidin-2-Ones by the One-Pot Reaction of Carbon Dioxide with N-Aryl Aziridines

Sonzini, Paolo,Damiano, Caterina,Intrieri, Daniela,Manca, Gabriele,Gallo, Emma

, p. 2961 - 2969 (2020/07/06)

The cost-effective TPPH2/TBACl-catalyzed (TPPH2=dianion of tetraphenyl porphyrin; TBACl=tetrabutyl ammonium chloride) carbon dioxide cycloaddition to N-aryl aziridines was successful in synthesizing N-aryl oxazolidin-2-ones. A cataly

Potassium phosphate-catalyzed one-pot synthesis of 3-aryl-2-oxazolidinones from epoxides, amines, and atmospheric carbon dioxide

Seo, Ue Ryung,Chung, Young Keun

, p. 803 - 808 (2017/08/15)

Potassium phosphate was found to be a highly active catalyst in the three-component cycloaddition of amines, epoxides, and carbon dioxide in DMF at ambient temperature to form 3-aryl-2-oxazolidinones. Atmospheric CO2 and a broad range of amines were employed in this transformation. Aryl isocyanate and 1,2-aminoalcohol were generated in situ as key intermediates. This one-pot reaction is applicable to a variety of terminal epoxides and amines. The key advantages are high yields, simple work-up, inexpensive catalysts, and a practical ten gram-scale synthesis.

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