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151654-88-5

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151654-88-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 151654-88-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,6,5 and 4 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 151654-88:
(8*1)+(7*5)+(6*1)+(5*6)+(4*5)+(3*4)+(2*8)+(1*8)=135
135 % 10 = 5
So 151654-88-5 is a valid CAS Registry Number.

151654-88-5Upstream product

151654-88-5Relevant articles and documents

Synthesis of Bicyclic Nitrogen Compounds via Tandem Intramolecular Heck Cyclization and Subsequent Trapping of Intermediate ?-Allylpalladium Complexes

Harris, G. Davis,Herr, R. Jason,Weinreb, Steven M.

, p. 5452 - 5464 (1993)

Intramolecular palladium-mediated three-component cyclization of substrates containing vinyl halide, olefin, and sulfonamide moieties to generate a diverse group of nitrogen heterocycles have been developed.The methodology has been applied to construction of both fused and bridged bicyclic systems.The strategy can also be used for spirocyclizations.This chemistry involves regiospecific generation of ?-allylpalladium complexes via Heck reactions of vinyl halides and simple olefins, followed by nucleophilic addition of sulfonamide anions to these intermediates.

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