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159849-35-1

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159849-35-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159849-35-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,8,4 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 159849-35:
(8*1)+(7*5)+(6*9)+(5*8)+(4*4)+(3*9)+(2*3)+(1*5)=191
191 % 10 = 1
So 159849-35-1 is a valid CAS Registry Number.

159849-35-1Downstream Products

159849-35-1Relevant articles and documents

Diastereoselective ru-catalyzed cross-metathesis-dihydroxylation sequence. An efficient approach toward enantiomerically enriched syn-diols

Neisius, N. Matthias,Plietker, Bernd

, p. 3218 - 3227 (2008/09/19)

(Chemical Equation Presented) Sequential catalysis has evolved as a powerful concept within the past years and allows the more efficient use of catalytically active expensive transition metals in organic synthesis. In this paper we present the stereoselective cross-metathesis-dihydroxylation of various olefins with chiral auxiliary substituted acrylamides. The chiral information (i.e., the auxiliary) introduced in the metathesis reactions allows for a stereoselective subsequent RuO4-catalyzed dihydroxylation. The sequence is concluded by an unusual kinetic resolution of the diastereomeric diols obtained in the oxidation reaction. As a consequence a variety of structurally diverse enantiomerically enriched diols are obtained. To the best of our knowledge the results summarized in this paper represent the first highly efficient diastereoselective RuO4-catalyzed oxidation.

exo,exo-2-Amino-3-borneol-derived Oxazolidinone as a New Chiral Auxiliary for use in Asymmetric Transformations

Palomo, Claudio,Berree, Fabienne,Linden, Anthony,Villalgordo, Jose M.

, p. 1861 - 1862 (2007/10/02)

N-Acylimides derived from exo,exo-2-amino-3-borneol when subjected to alkylation, Diels-Alder reaction, and conjugate additions afford the corresponding products with a high level of asymmetric induction, particularly in those cases of inherent poor diastereofacial selectivity.

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