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90633-94-6

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90633-94-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90633-94-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,3 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90633-94:
(7*9)+(6*0)+(5*6)+(4*3)+(3*3)+(2*9)+(1*4)=136
136 % 10 = 6
So 90633-94-6 is a valid CAS Registry Number.

90633-94-6Relevant articles and documents

Synthesis of glyco-fused bicyclic compounds; Conformationally constrained scaffolds and useful polyfunctional building blocks

Cardona, Francisco,D'Orazio, Giuseppe,Silva, Artur M. S.,Nicotra, Francesco,La Ferla, Barbara

, p. 2549 - 2556 (2014/05/06)

We synthesized fused bicyclic polyfunctional compounds containing a highly hydroxylated pyran ring starting from commercially available methyl glucopyranoside and adopting a RCM annulation approach. The versatile α,β-unsaturated ketone group was introduced on the newly formed ring and, as an example of the potential of these polyfunctionalized building blocks, a tetracyclic compound was synthesized through a Diels-Alder cycloaddition reaction. Bicyclic polyfunctional glycol-fused compounds have been synthesized from commercially available methyl gluco-pyranoside. These molecules, with their high chirality content, presence of an α,β-unsaturated ketone and multiple hydroxyl groups represent useful building blocks for the preparation of complex, optically pure compounds. Copyright

Disaccharide-containing macrocycles by click chemistry and intramolecular glycosylation

Tiwari, Vinod K.,Kumar, Amit,Schmidt, Richard R.

supporting information; experimental part, p. 2945 - 2956 (2012/07/27)

In this study o- and m-xylylene moieties in combination with a triazolylmethyl moiety have been successfully employed as a relatively rigid spacer system in intramolecular glycosylation reactions. Phenyl 3,4,6-tri-O-benzyl-2-O-propargyl-1-thio-D-glucopyra

Substrate dependent intramolecular Pauson-Khand reaction of carbohydrate exo-methylene derivatives. Unexpected formation of fused '[4.1.0] bicycloheptene - pyranose' tricyclic product

Borodkin,Shpiro,Azov,Kochetkov

, p. 1489 - 1492 (2007/10/03)

Attempted Pauson-Khand cyclisation of exo- methylene carbohydrate enynic substrates is described. 3-Exo methylene derivative cyclises to give a normal Pauson-Khand product while cyclisation of a 4-exo methylene analog follows a previously unreported pathway to give fused '[4.1.0] bicycloheptene - pyranose' tricyclic product.

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