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848047-83-6

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848047-83-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 848047-83-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,8,0,4 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 848047-83:
(8*8)+(7*4)+(6*8)+(5*0)+(4*4)+(3*7)+(2*8)+(1*3)=196
196 % 10 = 6
So 848047-83-6 is a valid CAS Registry Number.

848047-83-6Relevant articles and documents

Efficient stereoselective synthesis of γ-N-glycosyl asparagines by N-glycosylation of primary amide groups

Tanaka, Hiroshi,Iwata, Yuki,Takahashi, Daisuke,Adachi, Masaatsu,Takahashi, Takashi

, p. 1630 - 1631 (2005)

The efficient and elegant synthesis of N-glycosides by N-glycosylation of asparagine-containing peptides is described. Glycosylation of primary amides with glycosyl N-phenyltrifluoroimidates in the presence of a catalytic amount of TMSOTf in nitromethane

2-Phenyl-tetrahydropyrimidine-4(1H)-ones - Cyclic benzaldehyde aminals as precursors for functionalised β2-amino acids

Nahrwold, Markus,Stoncius, Arvydas,Penner, Anna,Sewald, Norbert,Neumann, Beate,Stammler, Hans-Georg

supporting information; experimental part, (2010/04/22)

Novel procedures have been developed to condense benzaldehyde effectively with β-amino acid amides to cyclic benzyl aminals. Double carbamate protection of the heterocycle resulted in fully protected chiral β-alanine derivatives. These serve as universal precursors for the asymmetric synthesis of functionalised β2-amino acids containing acid-labile protected side chains. Diastereoselective alkylation of the tetrahydropyrimidinone is followed by a chemoselective two step degradation of the heterocycle to release the free β2-amino acid. In the course of this study, an L-asparagine derivative was condensed with benzaldehyde and subsequently converted to orthogonally protected (R)-β2-homoaspartate.

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