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(S)-6-((S)-1-Benzyloxy-pentyl)-4-hydroxy-5,6-dihydro-pyran-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138809-92-4

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138809-92-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138809-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,0 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138809-92:
(8*1)+(7*3)+(6*8)+(5*8)+(4*0)+(3*9)+(2*9)+(1*2)=164
164 % 10 = 4
So 138809-92-4 is a valid CAS Registry Number.

138809-92-4Relevant academic research and scientific papers

Divergent asymmetric total synthesis of all four pestalotin diastereomers from (R)-glycidol

Moriyama, Mizuki,Nakata, Kohei,Fujiwara, Tetsuya,Tanabe, Yoo

, (2020/01/28)

All four chiral pestalotin diastereomers were synthesized in a straightforward and divergent manner from common (R)-glycidol. Catalytic asymmetric Mukaiyama aldol reactions of readily-available bis(TMSO)diene (Chan’s diene) with (S)-2-benzyloxyhexanal der

Stereoselective Synthesis of 1,2-Diols by the Cycloadditive Strategy: Total Synthesis of (+/-)-exo-Brevicomin and (+/-)- and (-)-Pestalotin

Zhang, Jiancun,Curran, Dennis P.

, p. 2627 - 2631 (2007/10/02)

Highly selective reductions of 5-acyl-2-isoxazolines and conversion of the resulting syn-5-hydroxyalkyl-2-isoxazolines into syn-diols are key steps in concise syntheses of (+/-)-exo-brevicomin, and (+/-)-pestalotin.With an asymmetric nitrile oxide as starting material, cycloaddition with the acrylate derivative of Oppolzer's camphor sultam leads to a synthesis of (-)-pestalotin.

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