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(2S,4S,5R)-2-formyl-4-methyl-5-phenyl-3-p-toluenesulfonyloxazolidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

177663-87-5

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177663-87-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177663-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,6,6 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 177663-87:
(8*1)+(7*7)+(6*7)+(5*6)+(4*6)+(3*3)+(2*8)+(1*7)=185
185 % 10 = 5
So 177663-87-5 is a valid CAS Registry Number.

177663-87-5Downstream Products

177663-87-5Relevant academic research and scientific papers

Norephedrine-derived oxazolidines as chiral auxiliaries-stereocontrolled routes to R or S β-hydroxy phosphine oxides

O'Brien, Peter,Warren, Stuart

, p. 3051 - 3054 (1996)

Reduction of a β-keto phosphine oxide oxazolidine and reaction of an oxazolidine aldehyde with a lithiated phosphine oxide provide stereoselective routes to S or R β-hydroxy phosphine oxides.

Asymmetric synthesis with diphenylphosphine oxides: Bicyclic aminals and oxazolidines as chiral auxiliaries

O'Brien, Peter,Warren, Stuart

, p. 3431 - 3444 (2007/10/03)

Syntheses of six novel phosphine oxide chiral auxiliaries are described. The auxiliaries are composed of the diphenylphosphinoyl (Ph2PO) group and either proline-derived bicyclic aminals or norephedrine-derived oxazolidines. One auxiliary is us

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