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1527494-35-4

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1527494-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1527494-35-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,2,7,4,9 and 4 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1527494-35:
(9*1)+(8*5)+(7*2)+(6*7)+(5*4)+(4*9)+(3*4)+(2*3)+(1*5)=184
184 % 10 = 4
So 1527494-35-4 is a valid CAS Registry Number.

1527494-35-4Relevant articles and documents

A Fast Way to Fluorescence: A Fourfold Domino Reaction to Condensed Polycyclic Compounds

Tietze, Lutz F.,Eichhorst, Christoph,Hungerland, Tim,Steinert, Markus

, p. 12553 - 12558 (2014)

A fast and efficient palladium-catalyzed fourfold domino Sonogashira/double-carbopalladation/C H-activation reaction that converts simple aromatic systems into complex polycyclic hydrocarbons has been developed. A number of substituted products has thus been prepared in yields up to 89 %. The structural assignment has been confirmed by using single-crystal X-ray crystallography. The products show intriguing fluorescence activity and thus might serve as chemical sensors or fluorescent imaging dyes.

Four- and Sixfold Tandem-Domino Reactions Leading to Dimeric Tetrasubstituted Alkenes Suitable as Molecular Switches

Tietze, Lutz F.,Waldecker, Bernd,Ganapathy, Dhandapani,Eichhorst, Christoph,Lenzer, Thomas,Oum, Kawon,Reichmann, Sven O.,Stalke, Dietmar

, p. 10317 - 10323 (2015/09/01)

A highly efficient palladium-catalyzed fourfold tandem-domino reaction consisting of two carbopalladation and two C-H-activation steps was developed for the synthesis of two types of tetrasubstituted alkenes 3 and 6 with intrinsic helical chirality starting from substrates 1 and 4, respectively. A sixfold tandem-domino reaction was also developed by including a Sonogashira reaction. 20 compounds with different substitution patterns were prepared with yields of up to 97%. Structure elucidation by X-ray crystallography confirmed helical chirality of the two alkene moieties. Photophysical investigations of some of the compounds showed pronounced switching properties through light-controlled changes of their stereochemical configuration.

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