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1357917-76-0

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1357917-76-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1357917-76-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,7,9,1 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1357917-76:
(9*1)+(8*3)+(7*5)+(6*7)+(5*9)+(4*1)+(3*7)+(2*7)+(1*6)=200
200 % 10 = 0
So 1357917-76-0 is a valid CAS Registry Number.

1357917-76-0Relevant articles and documents

Boron Dipyrromethene (BODIPY) as Electron-Withdrawing Group in Asymmetric Copper-Catalyzed [3+2] Cycloadditions for the Synthesis of Pyrrolidine-Based Biological Sensors

Alemán, José,Asenjo-Pascual, Juan,Cordani, Marco,Díaz-Tendero, Sergio,Fraile, Alberto,Martín-Somer, Ana,Milán Rois, Paula,Rigotti, Thomas,Somoza, álvaro

, (2020)

In this work, we describe the use of Boron Dipyrromethene (BODIPY) as electron-withdrawing group for activation of double bonds in asymmetric copper-catalyzed [3+2] cycloaddition reactions with azomethine ylides. The reactions take place under smooth conditions and with high enantiomeric excess for a large number of different substituents, pointing out the high activation of the alkene by using a boron dipyrromethene as electron-withdrawing group. Experimental, theoretical studies and comparison with other common electron-withdrawing groups in asymmetric copper-catalyzed [3+2] cycloadditions show the reasons of the different reactivity of the boron dipyrromethene derivatives, which can be exploited as a useful activating group in asymmetric catalysis. Additional experiments show that the so obtained pyrrolidines can be employed as biocompatible biosensors, which can be located in the endosomal compartments and do not present toxicity in three cell lines. (Figure presented.).

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