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129468-48-0

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129468-48-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129468-48-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,4,6 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129468-48:
(8*1)+(7*2)+(6*9)+(5*4)+(4*6)+(3*8)+(2*4)+(1*8)=160
160 % 10 = 0
So 129468-48-0 is a valid CAS Registry Number.

129468-48-0Relevant articles and documents

2-Deoxy-3-C-(hydroxymethyl)-D-pentofuranose Derivatives: Stereoselective Synthesis and Conversion into a Novel Class of Nucleoside Analogues

Scheuer-Larsen, Claus,Pfundheller, Henrik,Wengel, Jesper

, p. 7298 - 7303 (2007/10/03)

Oxidation of pure anomers of 5-O-monoprotected methyl 2-deoxy-D-ribofuranosides 3-6 followed by Lombardo methylenation afforded the novel 3-C-methylene pentofuranosides 11 - 14.Subsequent osmium tetraoxide-catalyzed dihydroxylations of 11, 13, and 14 afforded a mixture of erythro- and threo-configured 3-C-hydroxymethyl furanosides 15/16, 18/19, and 20/21, respectively.However, analogous dihydroxylation of 5-O-(4-phenylbenzoyl)-protected β-anomer 12 proceeded with complete stereoselectivity to give 3-C-(hydroxymethyl)-β-D-erythro pentofuranoside 17 in 76percent yield.Conversion of 17 to the corresponding primary tosylate 22, followed by base-catalyzed nucleophilic attack by the nucleobases adenine and thymine, afforded after deprotection compounds 25 and 26, respectively, as the first examples of a novel class of nucleoside analogues.

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