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(4R,5S)-5-(4-Chloro-phenyl)-4,5-dihydro-oxazole-4-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

213321-41-6

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213321-41-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213321-41-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,3,2 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 213321-41:
(8*2)+(7*1)+(6*3)+(5*3)+(4*2)+(3*1)+(2*4)+(1*1)=76
76 % 10 = 6
So 213321-41-6 is a valid CAS Registry Number.

213321-41-6Downstream Products

213321-41-6Relevant academic research and scientific papers

Asymmetric synthesis catalyzed by chiral ferrocenylphosphine transition metal complexes. 10 gold(I)-catalyzed asymmetric aldol reaction of isocyanoacetate

Hayashi, Tamio,Sawamura, Masaya,Ito, Yoshihiko

, p. 1999 - 2012 (2007/10/02)

Optically active ferrocenylbisphosphine ligands containing 2-(dialkylamino)ethylamino group on the ferrocenylmethyl position have been prepared and used for the gold(I)-catalyzed asymmetric aldol reaction of isocyanoacetate with aldehydes. Six-membered ring amines, such as morpholino or piperidino group, at the terminal of the side chain were most stereoselective to give optically active trans-4- methoxycarbonyl-5-alkyl-2-oxazolines (up to 97% ee) with high enantio- and diastereoselectivity in a quantitative yield.

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