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5-bromo-1-(5-O-tert-butyldiphenylsilyl-2-deoxy-3-O-p-toluenesulfonyl-β-D-erythro-pentofuranosyl)uracil is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

172473-15-3

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172473-15-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172473-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,4,7 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 172473-15:
(8*1)+(7*7)+(6*2)+(5*4)+(4*7)+(3*3)+(2*1)+(1*5)=133
133 % 10 = 3
So 172473-15-3 is a valid CAS Registry Number.

172473-15-3Downstream Products

172473-15-3Relevant academic research and scientific papers

Synthesis of 2,3'-anhydro-2'-deoxyuridines and 2,3'-didehydro-2',3'-dideoxyuridines using polymer supported fluoride

Larsen,Kofoed,Pedersen

, p. 1121 - 1125 (1995)

Reaction of methyl 5-O-tert-butyldiphenylsilyl-2-deoxy-3-O-p-toluenesulfonyl-α,β-D-eryt hro-pentofuranoside (2) with silylated uracils 3 using trimethylsilyl trifluoromethanesulfonate (TMS triflate) as catalyst afforded after crystallization in Et2O the corresponding β-nucleosides 4. Reaction of 4 with tetrabutylammonium fluoride (TBAF) or Amberlyst A-26 resin (F--form) in THF at room temperature or at reflux gave the corresponding deprotected 2,3'-anhydro-2'-deoxyuridines 6 and 2',3'-didehydro-2',3'-dideoxyuridines 7, respectively.

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