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2,2,4,4-Tetramethyl-oxazolidine-3-carboxylic acid (S)-2-dibenzylamino-pent-4-enyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

202275-19-2

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202275-19-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 202275-19-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,2,7 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 202275-19:
(8*2)+(7*0)+(6*2)+(5*2)+(4*7)+(3*5)+(2*1)+(1*9)=92
92 % 10 = 2
So 202275-19-2 is a valid CAS Registry Number.

202275-19-2Downstream Products

202275-19-2Relevant academic research and scientific papers

Convenient synthesis of enantiomerically enriched β-cyclopropylalaninol derivatives by kinetic resolution via (-)-sparteine-mediated deprotonation

Hense, Thomas,Hoppe, Dieter

, p. 1394 - 1398 (2007/10/03)

The racemic mixture of the protected β-cyclopropylalaninol derivative 11 was subjected to asymmetric deprotonation by means of sec-butyllithium/(-)-sparteine, resulting in a preferential abstraction of the α-pro-S-H in (R)-1; (S)-11 remains untouched.

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