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718-24-1

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718-24-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 718-24-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,1 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 718-24:
(5*7)+(4*1)+(3*8)+(2*2)+(1*4)=71
71 % 10 = 1
So 718-24-1 is a valid CAS Registry Number.

718-24-1Relevant articles and documents

A new insight into the push-pull effect of substituents via the stilbene-like model compounds

Cao, Chaotun,Cao, Chenzhong,Zeng, Zhao

, (2022/02/01)

In this paper, authors report on 1-pyridyl-2-arylethenes, 1-furyl-2-arylethylenes, 1,2-diphenylpropylenes and substituted cinnamyl anilines as stilbene-like model compounds to investigate the factors dominating the push-pull effect of substituents via usi

Br?nsted acid-catalysed conjugate addition of photochemically generated α-amino radicals to alkenylpyridines

Hepburn, Hamish B.,Melchiorre, Paolo

, p. 3520 - 3523 (2016/03/04)

The conjugate addition of α-amino radicals to alkenylpyridines has been accomplished by the synergistic merger of Br?nsted acid and visible light photoredox catalysis. Key to reaction development was the protonation of the alkenylpyridines that transientl

Bulky monodentate biphenylarsine ligands: Synthesis and evaluation of their structure effects in the palladium-catalyzed Heck reaction

Quinteros, Gisela J.,Uberman, Paula M.,Martín, Sandra E.

supporting information, p. 2698 - 2705 (2015/04/27)

Biphenyl-based arsine ligands were prepared in two-step fashion by Pd-catalyzed arsination and microwave-assisted Suzuki-Miyaura coupling, providing sterically demanding arsine ligands in overall isolated yields up to 82 % as air-stable solids. Short reaction times were achieved with the assistance of microwave irradiation in the direct and simple described protocol for the synthesis of biarylarsine ligands. The activities of the biphenyl arsine ligands were explored in Pd-catalyzed Heck coupling. As a general trend, the ligands with "blocked" ortho-positions on the non-arsine-containing ring of the biphenyl backbone performed more efficiently in the coupling reaction. This catalytic system allowed several interesting stilbenes to be obtained in very good yields. Sterically demanding biphenyl-based arsine ligands were prepared in high overall yields by microwave-assisted Suzuki-Miyaura coupling. The ligands were evaluated in the Pd-catalyzed Heck coupling reaction; the most active were those with "blocked" ortho-positions on the non-arsine-containing ring of the biphenyl backbone.

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