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1252763-38-4

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1252763-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1252763-38-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,2,7,6 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1252763-38:
(9*1)+(8*2)+(7*5)+(6*2)+(5*7)+(4*6)+(3*3)+(2*3)+(1*8)=154
154 % 10 = 4
So 1252763-38-4 is a valid CAS Registry Number.

1252763-38-4Downstream Products

1252763-38-4Relevant articles and documents

Iptycenes with an acridinone motif developed through [4+2] cycloaddition of tethered naphthalene and iminoquinone: Via a radical reaction

Raju, Selvam,Annamalai, Pratheepkumar,Chen, Pei-Ling,Liu, Yi-Hung,Chuang, Shih-Ching

, p. 6247 - 6250 (2017)

A new class of iptycenes was developed by combining 2-(naphthalen-1-yl)anilines and p-benzoquinones through copper(ii)-mediated radical cyclisation. This unusual cyclisation reaction resulted in the robust and efficient syntheses of iptycenes with an acridinone motif. These iptycenes can be further transformed into planar acridinone heterocyclics through the Diels-Alder reaction.

Direct Transformation of Esters into Arenes with 1,5-Bifunctional Organomagnesium Reagents

Link, Achim,Fischer, Christian,Sparr, Christof

supporting information, p. 12163 - 12166 (2015/10/12)

A direct transformation of carboxylic acid esters into arenes with 1,5-bifunctional organomagnesium reagents is described. This efficient and practical method enables the one-step defunctionalization of various carboxylic acid esters to prepare benzene, anthracene, tetracene, and pentacene derivatives. A double nucleophilic addition of the 1,5-organodimagnesium reagent to the ester is followed by an immediate 1,4-elimination reaction that leads to the direct [5+1] formation of a new aromatic ring.

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