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109463-77-6

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109463-77-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109463-77-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,4,6 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109463-77:
(8*1)+(7*0)+(6*9)+(5*4)+(4*6)+(3*3)+(2*7)+(1*7)=136
136 % 10 = 6
So 109463-77-6 is a valid CAS Registry Number.

109463-77-6Downstream Products

109463-77-6Relevant articles and documents

ORGANOMETALLIC REAGENTS IN SYNTHESIS A NEW PROTOCOL FOR CONSTRUCTION OF THE INDOLE NUCLEUS

Smith, III, Amos B.,Visnick, Melean,Haseltine, John N.,Sprengeler, Paul A.

, p. 2957 - 2970 (2007/10/02)

Organodilithium reagents derived from 2-alkyl-N-trimethylsilyl anilines undergo condensation with esters of carboxylic acids to afford substituted indoles.A total of 16 examples are reported; yields in general were good.In conjuction with this program, a convenient, large-scale procedure for preparation of monosilylated anilines was also developed.To demonstrate the utility of the new indole protocol in natural products synthesis, efficient syntheses of (+)-cinchonamine and (+)-epi-cinchonamine as well as a tetracyclic model system for the architecturally complex penitrem mycotoxins were completed in regio- and stereoselective fashion.

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