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(4S,5S)-4,5-Bis-tert-butoxymethyl-2-(3-methoxy-phenyl)-[1,3]dioxolane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

166248-45-9

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166248-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166248-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,2,4 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 166248-45:
(8*1)+(7*6)+(6*6)+(5*2)+(4*4)+(3*8)+(2*4)+(1*5)=149
149 % 10 = 9
So 166248-45-9 is a valid CAS Registry Number.

166248-45-9Downstream Products

166248-45-9Relevant academic research and scientific papers

Highly Diastereoselective Ring-Opening Reactions of Chiral Acetals with Secondary or Sterically Hindered Grignard Reagents

Yuan, Tien-Min,Yeh, Sue-Min,Hsieh, Yu-Tsai,Luh, Tien-Yau

, p. 8192 - 8196 (1994)

1,4-Di-tert-alkoxy-(2S,3S)-2,3-butanediols 2 were obtained from the reactions of 2S,3S-threitol bisketals with Grignard reagents.The reactions of benzylic acetals 3, prepared from 1,4-di-tert-alkoxy-(2S,3S)-2,3-butanediols and aromatic aldehydes, with aryl or secondary or sterically hindered Grignard reagents give the corresponding ring-opening products 4 in high diastereoselectivity.

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