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1363261-66-8

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1363261-66-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1363261-66-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,6,3,2,6 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1363261-66:
(9*1)+(8*3)+(7*6)+(6*3)+(5*2)+(4*6)+(3*1)+(2*6)+(1*6)=148
148 % 10 = 8
So 1363261-66-8 is a valid CAS Registry Number.

1363261-66-8Downstream Products

1363261-66-8Relevant articles and documents

Enantioselective synthesis of tryptophan derivatives by a tandem friedel-crafts conjugate addition/asymmetric protonation reaction

Kieffer, Madeleine E.,Repka, Lindsay M.,Reisman, Sarah E.

supporting information; experimental part, p. 5131 - 5137 (2012/05/05)

The tandem Friedel-Crafts conjugate addition/asymmetric protonation reaction between 2-substituted indoles and methyl 2-acetamidoacrylate is reported. The reaction is catalyzed by (R)-3,3′-dibromo-BINOL in the presence of stoichiometric SnCl4, and is the first example of a tandem conjugate addition/asymmetric protonation reaction using a BINOLSnCl4 complex as the catalyst. A range of indoles furnished synthetic tryptophan derivatives in good yields and high levels of enantioselectivity, even on a preparative scale. The convergent nature of this transformation should lend itself to the preparation of unnatural tryptophan derivatives for use in a broad array of synthetic and biological applications.

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