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291533-26-1

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291533-26-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 291533-26-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,5,3 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 291533-26:
(8*2)+(7*9)+(6*1)+(5*5)+(4*3)+(3*3)+(2*2)+(1*6)=141
141 % 10 = 1
So 291533-26-1 is a valid CAS Registry Number.

291533-26-1Downstream Products

291533-26-1Relevant articles and documents

Recent developments in the area of asymmetric transfer hydrogenation

Wills, Martin,Palmer, Matthew,Smith, Athene,Kenny, Jennifer,Walsgrove, Tim

, p. 4 - 18 (2000)

The use of an enantiomerically pure amino alcohol, coupled to a transfer hydrogenation process, in the asymmetric catalysis of the reduction of ketones to alcohols, is described. The process works well for unfunctionalised ketones, affording e.e.s of up to 98%, and excellent conversions. We have recently extended, for the first time in this application, the scope of the methodology to the reductions of α-heteroatom substituted substrates, through the use of the appropriate protecting groups on each atom.

Asymmetric transfer hydrogenation of α-amino and α-alkoxy substituted ketones

Kenny, Jennifer A.,Palmer, Matthew J.,Smith, Athene R. C.,Walsgrove, Tim,Wills, Martin

, p. 1615 - 1617 (2007/10/03)

Through the use of appropriate protecting groups, the asymmetric transfer hydrogenation of ketones bearing heteroatoms at the α- position may be achieved in high yield and enantioselectivity.

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