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(4S,5S)-2-Oxy-4-p-tolyl-4,5-dihydro-isoxazole-3,5-dicarboxylic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90018-66-9

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90018-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90018-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,1 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90018-66:
(7*9)+(6*0)+(5*0)+(4*1)+(3*8)+(2*6)+(1*6)=109
109 % 10 = 9
So 90018-66-9 is a valid CAS Registry Number.

90018-66-9Downstream Products

90018-66-9Relevant academic research and scientific papers

Highly diastereoselective condensation of α-nitro-esters with aldehydes catalyzed by zinc complexes of amino acids

Chatterjee,Jha,Joshi

, p. 5287 - 5289 (2007/10/03)

Zinc complexes of amino acids efficiently catalyze the condensation between α-nitro-esters and a variety of aldehydes. An unusual domino reaction sequence leads to the diastereoselective formation of substituted isoxazoline N-oxides in high yields.

A Convenient One-Pot Synthesis of 4-Substituted 3,5-Bis(alkoxycarbonyl)-4,5-dihydroisoxazole 2-Oxides from Aldehydes and Nitroacetic Esters in a Solid-Liquid Reaction System and Subsequent Deoxygenation

Melot, Jean-Marie,Texier-Boullet, Francoise,Foucaud, Andre

, p. 558 - 560 (2007/10/02)

4-Substituted 3,5-bis(alkoxycarbonyl)-4,5-dihydroisoxazole 2-oxides are obtained from nitroacetic esters and imines which are prepared from aldehydes and isopropylamine in the presence of molecular sieves.Reduction of the N-oxides with trimethyl phosphite

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