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1446418-91-2

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1446418-91-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1446418-91-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,6,4,1 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1446418-91:
(9*1)+(8*4)+(7*4)+(6*6)+(5*4)+(4*1)+(3*8)+(2*9)+(1*1)=172
172 % 10 = 2
So 1446418-91-2 is a valid CAS Registry Number.

1446418-91-2Downstream Products

1446418-91-2Relevant articles and documents

Direct heteroarylation of 5-bromothiophen-2-ylpyridine and of 8-bromoquinoline via palladium-catalysed C-H bond activation: Simpler access to heteroarylated nitrogen-based derivatives

Laroche, Jenny,Beydoun, Kassem,Guerchais, Veronique,Doucet, Henri

, p. 2072 - 2080 (2013/07/26)

The palladium-catalysed direct heteroarylation of the pyridyl-containing substrates, 2-(5-bromothiophen-2-yl)pyridine and 8-bromoquinoline, proceeds in moderate to high yields with a variety of heteroarenes in the presence of 1-2 mol% of a palladium catalyst. This approach allows the access to polyheteroaromatics which are interesting building blocks as (NC)-chelate ligands. The reaction proceeds regioselectively at the C5 position of thiophenes, thiazoles, furans or pyrroles and tolerates various substituents such as formyl, acetyl, ester, nitrile or chloro on the heteroarene. Therefore, this method allows a straightforward modulation of the electron density distribution on such derivatives.

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