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125473-34-9

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125473-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125473-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,4,7 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 125473-34:
(8*1)+(7*2)+(6*5)+(5*4)+(4*7)+(3*3)+(2*3)+(1*4)=119
119 % 10 = 9
So 125473-34-9 is a valid CAS Registry Number.

125473-34-9Downstream Products

125473-34-9Relevant articles and documents

Diastereoselective synthesis of γ-hydroxy-β-amino alcohols and (2S,3S)-β-hydroxyleucine from chiral D-(N,N-dibenzylamino) serine (TBDMS) aldehyde

Laib,Chastanet,Zhu

, p. 1709 - 1713 (1998)

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A highly stereoselective synthesis of (2S,3S)-β-hydroxyleucine

Laib, Taoues,Chastanet, Jacqueline,Zhu, Jieping

, p. 1771 - 1772 (2007/10/03)

A highly diastereoselective nucleophilic addition of Grignard reagent to N,N-dibenzyl-O-TBS-serinal 3 was the key step in the present synthesis of (2S,3S)-β-hydroxyleucine 1.

A practical stereoselective synthesis of (2S, 3S)-3-hydroxyleucine

Williams, Lorenzo,Zhang, Zhongda,Ding, Xiaobin,Joullie, Madeleine M.

, p. 7031 - 7034 (2007/10/02)

A practical and convenient procedure is described for the preparation of gram quantities of (2S, 3S)-3-hydroxyleucine. The key step involves the triflate-mediated cyclization of spirooxazolidine 4 to the spirobicyclic compound 5, which is easily converted to the title compound in high yield.

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