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4,5-anti-5,6-O-isopropylidene-4,5,6-trihydroxy-1,1-dimethoxyhexan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81534-59-0

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81534-59-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81534-59-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,3 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81534-59:
(7*8)+(6*1)+(5*5)+(4*3)+(3*4)+(2*5)+(1*9)=130
130 % 10 = 0
So 81534-59-0 is a valid CAS Registry Number.

81534-59-0Relevant articles and documents

STEREOSELECTIVE REDUCTION OF β-HYDROXYKETONES TO 1,3-DIOLS. HIGHLY SELECTIVE 1,3-ASYMMETRIC INDUCTION VIA BORON CHELATES

Koichi, Narasaka,Pai, Fong-Chang

, p. 2233 - 2238 (1984)

Highly selective asymmetric induction can be achieved in the reduction of acyclic β-hydroxyketones via boron chelates.Treatment of β-hydroxyketones (1) with tributyl or triisobutylborane and successively with sodium borohydride afforded syn-1,3-diols (3)

Proline organocatalysis as a new tool for the asymmetric synthesis of ulosonic acid precursors

Enders, Dieter,Gasperi, Tecla

, p. 88 - 90 (2007)

PEP and aldolase mimicry is the key for a direct organocatalytic entry to precursors of ulosonic acids, biomolecules of enormous importance in biology, chemistry and medicine; in the key aldol reaction the dimethylacetal of pyruvic aldehyde is used as pho

Direct aldol reaction of pyruvic derivatives: Catalytic attempt to synthesize ulosonic acids

El-Sepelgy, Osama,Schwarzer, Darius,Oskwarek, Piotr,Mlynarski, Jacek

, p. 2724 - 2727 (2012)

The catalytic asymmetric aldol reaction of pyruvic aldehyde dimethyl acetal and 2-acetylthiazole with sugar aldehydes is demonstrated to be the key step in the synthesis of 3-deoxy-2-ulosonic acids. Efficient and stereoselective pyruvate aldol reactions are catalyzed by metal-based chiral Trost and Shibasaki catalysts. The presented synthetic methodology mimics aldolase-catalyzed reactions by direct activation of C3 pyruvate equivalents with the use of metal-based chiral catalysts en route to the synthesis of 2-keto-3-deoxy-D-glucosonic acid and 3-deoxy-D-manno-2-octulosonic acid derivatives. Copyright

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