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80859-83-2

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80859-83-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80859-83-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,8,5 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 80859-83:
(7*8)+(6*0)+(5*8)+(4*5)+(3*9)+(2*8)+(1*3)=162
162 % 10 = 2
So 80859-83-2 is a valid CAS Registry Number.

80859-83-2Relevant articles and documents

A benzene-bridged divanadium complex-early transition metal catalyst for alkene alkylarylation with PhI(O2CR)2viadecarboxylation

Zhang, Lei,Zhou, Hongfei,Bai, Shaokun,Li, Shaodan

supporting information, p. 3201 - 3206 (2021/03/16)

The synthesis, structure and catalytic activity of a benzene-bridged divanadium complex were comprehensively studied. The reduction of (Nacnac)VCl2(1) (Nacnac = (2,6-iPr2C6H3NCMe)2HC) supported by β-diketiminate with potassium graphite (KC8) by employing benzene as the solvent allows access to the benzene-bridged inverted-sandwich divanadium complex (μ-η6:η6-C6H6)[V(Nacnac)]2(2a), which can catalyze alkene alkylarylation with hypervalent iodine(iii) reagents (HIRs)viadecarboxylation to generate regioselectively diverse indolinones. Furthermore, the mild nature of this reaction was amenable to a wide range of functionalities on alkenes and HIRs. Mechanistic studies revealed a relay sequence of decarboxylative radical alkylation/radical arylation/oxidative re-aromatization.

Reactivity of arenes in substitution and additiopn reactions

Togo, Hideo,Taguchi, Rie,Yamaguchi, Kentaro,Yoikoyama, Masataka

, p. 2135 - 2140 (2007/10/02)

The reactivity of arenes with 4-methylquinoline (substitution) as a typical heteroaromatic base and phenyl vinyl sulfone (addition) as a typical activated olefin has been studied under thermal and irradiation conditions.The results suggest that electron-withdrawing groups on the aromatic ring in arenes are detrimental to reactions.The crystal structures of arenes 10 and 1e are reported.

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