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80448-02-8

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80448-02-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80448-02-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,4,4 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80448-02:
(7*8)+(6*0)+(5*4)+(4*4)+(3*8)+(2*0)+(1*2)=118
118 % 10 = 8
So 80448-02-8 is a valid CAS Registry Number.

80448-02-8Downstream Products

80448-02-8Relevant articles and documents

Selective estrogen receptor modulator compounds containing phenylselenyl and application of compounds in anti-breast cancer drugs

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Paragraph 0131; 0132; 0133, (2019/05/15)

The present invention discloses selective estrogen receptor modulator compounds containing phenylselenyl and an application of the compounds in anti-breast cancer drugs. According to the compounds provided by the present invention, 3-(4-hydroxyphenyl)-4-(

Efficient heterogeneous copper-catalysed C–Se coupling of aryl iodides with symmetrical diselenides towards unsymmetrical monoselenides

Zhao, Ruonan,Yan, Chenyu,Jiang, Yuanyuan,Cai, Mingzhong

, p. 584 - 588 (2018/11/27)

A highly efficient heterogeneous copper(I)-catalysed C–Se coupling of aryl iodides with diaryl diselenides was achieved in dimethylformamide at 110 °C under neutral conditions by using a 10 mol% of bipyridine-functionalised MCM-41-supported copper(I) complex [bpy-MCM-41-CuI] as the catalyst and magnesium as the reductive reagent, yielding a variety of unsymmetrical diaryl selenides in good to excellent yields. This heterogeneous copper catalyst can be easily recovered by a simple filtration of the reaction solution and recycled at least seven times without significant loss of activity.

A convenient and efficient copper-catalyzed synthesis of unsymmetrical and symmetrical diaryl chalcogenides from arylboronic acids in ethanol at room temperature

Kumar, Amit,Kumar, Sangit

, p. 1763 - 1772 (2014/03/21)

A simple and convenient approach for the synthesis of unsymmetrical diaryl chalcogenides (Te, Se, and S) has been developed by copper-catalyzed cross-coupling reaction of organoboronic acid with diaryl dichalcogenide in ethanol using NaBH4 in air or oxygen. The present methodology is highly practical for the synthesis of unsymmetrical diaryl tellurides with various functionalities such as -NO2, -F, -Br, and -COOH that have been obtained in good to excellent yields. Methodology is also effective for the synthesis of unsymmetrical diaryl selenides and sulfides. Moreover, symmetrical diaryl selenides have also been obtained from arylboronic acids using elemental selenium powder under optimized reaction conditions. The use of NaBH 4 is the key for the development of milder reaction conditions, which enable the construction of unsymmetrical diaryl chalcogenides from boronic acid substrates in ethanol at room temperature.

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