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62833-11-8

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62833-11-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62833-11-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,8,3 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 62833-11:
(7*6)+(6*2)+(5*8)+(4*3)+(3*3)+(2*1)+(1*1)=118
118 % 10 = 8
So 62833-11-8 is a valid CAS Registry Number.

62833-11-8Relevant academic research and scientific papers

Synthesis of vinyl and electron-deficient aryl trifluoromethyl sulfides via Csp2?OH bond activation with AgSCF3 and n-Bu4NI/KI

Liu, Yin-Li,Xu, Xiu-Hua,Qing, Feng-Ling

supporting information, p. 5827 - 5832 (2018/09/21)

Direct dehydroxytrifluoromethylthiolation of enols and electron-deficient phenols with AgSCF3 in the presence of n-Bu4NI and KI is reported, affording a series of vinyl and aryl trifluoromethyl sulfides in moderate to excellent yields. This work represents a rare example of direct functionalization of Csp2?OH bonds.

Br?nsted acid mediated cyclizations of ortho-aryl(ethynyl)pyrimidines

Shestakov, Aleksandr N.,Pankova, Alena S.,Golubev, Pavel,Khlebnikov, Alexander F.,Kuznetsov, Mikhail A.

supporting information, p. 3939 - 3948 (2017/06/14)

A high-yielding procedure for the synthesis of 5-aryl-4-(arylethynyl)pyrimidines from easily available 2-aryl-3-hydroxyacrylates is reported. These pyrimidines readily undergo cyclization in strong Br?nsted acids and, depending on the substitution in alky

Synthesis and anticancer evaluation of 3-substituted quinolin-4-ones and 2,3-dihydroquinolin-4-ones

Rajput, Santosh,Gardner, Christopher R.,Failes, Timothy W.,Arndt, Greg M.,Black, David Stc.,Kumar, Naresh

, p. 105 - 115 (2014/01/17)

A series of 3-aryl-5,7-dimethoxyquinolin-4-ones 8 and 3-aryl-5,7-dimethoxy- 2,3-dihydroquinolin-4-ones 13 were synthesized in good yields. Demethylation under a range of conditions afforded the corresponding 5-hydroxy and 5,7-dihydroxy derivatives. Biolog

Unusual anion effects in the iron-catalyzed formation of 3-hydroxyacrylates from aromatic aldehydes and ethyl diazoacetate

Alves, Luis Goncalo,Dazinger, Georg,Veiros, Luis F.,Kirchner, Karl

experimental part, p. 3160 - 3166 (2011/01/05)

Due to the lability of one of the CO ligands in irans-[Fe(PNP)(CO) 2Cl]+ this compound is an efficient catalyst for the coupling of a series of aromatic aldehydes with ethyl diazoacetate (EDA), which give, in most cases, selectively 3-hydroxyacrylates rather than β-oxo esters. This reaction is strongly dependent on the nature of the counterion, Whereas with BF4- the reaction proceeds with conversions up to 90%, in the case of the counterions NO3-, CF 3COO-, CF3SO3-, SbF 6-, and BAr'4- [Ar' = 3,5-(CF 3)2C6H3] no reaction took place. In the case of PF6- only up to 20% conversion was achieved. A conceivable mechanism for the coupling of aromatic aldehydes with EDA was established by means of DFT/B3LYP calculations, which allowed the rationalization of both the chemoselectivity and the role of the counterions.

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