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122517-81-1

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122517-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122517-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,5,1 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 122517-81:
(8*1)+(7*2)+(6*2)+(5*5)+(4*1)+(3*7)+(2*8)+(1*1)=101
101 % 10 = 1
So 122517-81-1 is a valid CAS Registry Number.

122517-81-1Downstream Products

122517-81-1Relevant articles and documents

Osmium tetroxide-(QN)2 PHAL in an ionic liquid: A highly efficient and recyclable catalyst system for asymmetric dihydroxylation of olefins

Song, Choong Eui,Jung, Da-Un,Roh, Eun Joo,Lee, Sang-Gi,Chi, Dae Yoon

, p. 3038 - 3039 (2002)

In Os-catalysed asymmetric dihydroxylation using NMO as a co-oxidant, the combination of an ionic liquid and the new bis-cinchona alkaloid 2 generated in situ from (QN)2PHAL during reaction provided a simple and practical approach to the recycling of both catalytic components (osmium tetroxide and chiral ligand).

Catalytic asymmetric dihydroxylation of olefins with recyclable osmate-exchanged chloroapatite catalyst

Dehury, Sanjay K.,Hariharakrishnan

, p. 2493 - 2496 (2007/10/03)

An osmate-exchanged chloroapatite (CAP-OsO4) catalyst was prepared by an ion-exchange technique. CAP-OsO4 efficiently catalyses asymmetric dihydroxylation of olefins including α,β-unsaturated esters and amides to afford the corresponding diols in high yields and enantioselectivities. The catalyst was reused for several cycles with consistent activity.

Lipase-catalyzed transesterification as a practical route to homochiral syn-1,2-diols. The synthesis of the taxol side chain

Lee, Donghyun,Kim, Mahn-Joo

, p. 2163 - 2166 (2007/10/03)

syn-2,3-Dihydoxy-3-phenyl-propanoic acid methyl ester (1a) and its simple derivatives (1b-e) are efficiently resolved in LPS-catalyzed transesterification, leading to the synthesis of the taxol side chain and analogs from both resolved enantiomers.

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