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156643-24-2

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156643-24-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156643-24-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,6,4 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 156643-24:
(8*1)+(7*5)+(6*6)+(5*6)+(4*4)+(3*3)+(2*2)+(1*4)=142
142 % 10 = 2
So 156643-24-2 is a valid CAS Registry Number.

156643-24-2Relevant articles and documents

Bivalent platinum coordination compound and application thereof as well as organic photoelectric device

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Paragraph 0081; 0082; 0089-0091; 0102; 0103; 0107-0109; 0136, (2019/05/28)

The invention belongs to the technical field of organic electroluminescent materials and provides a bivalent platinum coordination compound and the application thereof as well as an organic photoelectric device. The bivalent platinum coordination compound provided by the invention has a chemical structure as shown in a formula I and is a blue light emitting material. The blue light emitting material serves as a doping material in OLED light-emitting devices and equipment, and the peak value of blue light emitted by the blue light emitting material ranges between 450 and 470 nm. Benzimidazole carbene is introduced into a ligand structure of the bivalent platinum coordination compound; the benzimidazole carbene structure has proper triplet energy, has a more stable carbon platinum coordination bond compared with a nitrogen platinum coordination bond, and has a more stable excited state conjugated system compared with the imidazole carbene structure. Therefore, the whole blue light spectrum is narrower, molecules are more stable in photoluminescence and device electroluminescence, the development of the blue light emitting material is promoted and the properties of light-emitting devices are improved.

Thermal switchability of N-chelating hoveyda-type catalyst containing a secondary amine ligand

Zukowska, Karolina,Szadkowska, Anna,Pazio, Aleksandra E.,Wo?niak, Krzysztof,Grela, Karol

experimental part, p. 462 - 469 (2012/04/23)

An investigation of aza analogues of the popular Hoveyda-Grubbs catalyst containing a secondary amine ligand is presented, proving the crucial impact of steric as well as electronic factors on the catalyst's stability and performance. The issue of latency in the reactivity profile of studied catalysts is examined, followed by structural and application studies.

Enantioselective synthesis of 2-methyl indolines by palladium catalysed asymmetric C(sp3)-H activation/cyclisation

Anas, Saithalavi,Cordi, Alex,Kagan, Henri B.

supporting information; experimental part, p. 11483 - 11485 (2011/11/13)

The first example of the enantioselective methyl C-H activation by an intramolecular ArPdX species and subsequent cyclisation was developed. Palladium catalysts using commercially available chiral diphosphines yield good ee's (up to 93% ee) in the synthesis of 2-methyl indolines from 2-halo N-isopropyl anilides. This approach was also employed for the synthesis of enantioenriched cyclohexyl fused indolines with moderate enantioselectivities.

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