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116003-78-2

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116003-78-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116003-78-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,0,0 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 116003-78:
(8*1)+(7*1)+(6*6)+(5*0)+(4*0)+(3*3)+(2*7)+(1*8)=82
82 % 10 = 2
So 116003-78-2 is a valid CAS Registry Number.

116003-78-2Relevant articles and documents

Synthesis of 1,2,3-triazolyl analog of Neisseria meningitidis A capsular polysaccharide

Vangala, Madhuri,Hotha, Srinivas

, p. 393 - 413 (2018)

Towards constructing a stable, non-hydrolyzable linkage for Neisseria meningitidis type A (MenA) polysaccharide, the phosphate bridge of its (1→6)-linked 2-acetamido-2-deoxy-α-D-mannopyranosyl phosphate repeating unit was replaced by a triazolyl analog using Cu(I) catalyzed click reaction. The synthesis involved anomeric azidation of N-acetyl-D-mannosamine derivative from its acetate precursor using stoichiometric amount of FeCl3 and one-pot synthesis of precursors for di- and tri- triazolyl saccharides with an azidoethyl spacer at the reducing end for bioconjugation.

Modular hydroxyamide and thioamide pyranoside-based ligand library from the sugar pool: New class of ligands for asymmetric transfer hydrogenation of ketones

Coll, Mercè,Pàmies, Oscar,Diéguez, Montserrat

supporting information, p. 2293 - 2302 (2014/07/21)

A large library of pyranoside-based hydroxyamide and thioamide ligands has been synthesized for asymmetric transfer hydrogenation in an attempt to expand the scope of the substrates to cover a broader range of challenging heteroaromatic and aryl/fluoroalkyl ketones. These ligands have the advantage that they are prepared from commercial D-glucose, D-glucosamine and α-amino acids, inexpensive natural chiral feedstocks. By carefully selecting the ligand components (substituents/configurations at the amide/thioamide moiety, the position of amide/thioamide group and the configuration at C-2), we found that pyranoside-based thioamide ligands provided excellent enantioselectivities (in the best cases, ees of >99% were achieved) in a broad range of ketones, including the less studied heteroaromatics and challenging aryl/fluoroalkyls. Note that both enantiomers of the reduction products can be obtained with excellent enantioselectivities by simply changing the absolute configuration of the thioamide substituent.

Chemoenzymatic synthesis of CMP-N-acetyl-7-fluoro-7-deoxy-neuraminic acid

Hartlieb, Sina,Guenzel, Almut,Gerardy-Schahn, Rita,Muenster-Kuehnel, Anja K.,Kirschning, Andreas,Draeger, Gerald

, p. 2075 - 2082 (2008/12/21)

7-Fluoro sialic acid was prepared and activated as cytidine monophosphate (CMP) ester. The synthesis started with d-glucose, which was efficiently converted into N-acetyl-4-fluoro-4-deoxy-d-mannosamine. Aldolase catalyzed transformation yielded the corres

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