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877384-24-2

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877384-24-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 877384-24-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,3,8 and 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 877384-24:
(8*8)+(7*7)+(6*7)+(5*3)+(4*8)+(3*4)+(2*2)+(1*4)=222
222 % 10 = 2
So 877384-24-2 is a valid CAS Registry Number.

877384-24-2Downstream Products

877384-24-2Relevant articles and documents

Hydrogenation of α-Keto Ethers: Dynamic Kinetic Resolution with a Heterogeneous Modified Catalyst and a Heterogeneous Base

Studer, Martin,Blaser, Hans-Ulrich,Burkhardt, Stephan

, p. 511 - 515 (2002)

The first successful example of the asymmetric hydrogenation of substituted α-keto ethers with Cinchona-modified Pt/Al2O3 is reported. In the absence of an additional base, kinetic resolution of the racemic starting material was observed with high diastereoselectivity and ee's up to 98% at conversions of a strong reaction acceleration but racemic product. Immobilization of OH- on solid ion exchangers resulted in the desired dynamic kinetic resolution, and ee's of >80% were obtained at >95% conversion. These effects are rationalized on the basis of a simple kinetic and structural model.

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