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(E)-syn-methyl 3-hydroxy-2-methyl-5-phenyl-4-pentanoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

67498-12-8

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67498-12-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67498-12-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,4,9 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67498-12:
(7*6)+(6*7)+(5*4)+(4*9)+(3*8)+(2*1)+(1*2)=168
168 % 10 = 8
So 67498-12-8 is a valid CAS Registry Number.

67498-12-8Relevant academic research and scientific papers

Generation of (E)-Silylketene acetals in a Rhodium-DuPhos catalyzed two-step reductive aldol reaction

Zhao, Cun-Xiang,Bass, Jonathan,Morken, James P.

, p. 2839 - 2842 (2001)

(equation presented) Mechanistic studies employing in situ NMR analysis implicate intermediate silicon enolates as reactive intermediates in the Rh-DuPhos catalyzed two-step reductive aldol reaction with Cl2MeSiH. These enolates undergo noncata

LIPASE CATALYZED ENANTIOSELECTIVE HYDROLYSIS OF 2-METHYL 3-ACETOXY ESTERS

Akita, Hiroyuki,Matsukura, Hiroko,Oishi, Takeshi

, p. 5241 - 5244 (2007/10/02)

Highly enantioselective hydrolyses of syn-3-acetoxy-2-methyl ester and anti-3-acetoxy-2-methyl esters with lipase "Amano A" and lipase "Amano A-6" isolated from Aspergillus niger, are described.

STEREOSELECTIVE ADDITIONS TO CARBOXYLIC ACID DIANIONS AND β-LACTONE SUBSTITUTED ESTER ENOLATES. APPLICATION TO THE SYNTHESIS OF RACEMIC EPI-BLASTMYCINONE, δ-MULTISTRIATINE, PARACONIC ESTERS AND LIGNANTYPE DILACTONES

Mulzer, Johann,Lasalle, Peter de,Chucholowski, Alexander,Blaschek, Ursula,Bruentrup, Gisela,et al.

, p. 2211 - 2218 (2007/10/02)

New stereoselective syntheses are reported for racemic 4-epi-blastmycinone (6) and δ-multistriatine (13) utilizing the anti-configurated γ,δ-unsaturated β-hydroxy-carboxylic acids 2a/b.A diastereo- and enantioselective aldoltype addition of phenylacetic acid dianion to benzaldehyde has been achaived by employing optically active alkoxide amide bases.Finally, highly stereocontrolled additions to the novel β-lactone substituted ester enolates 22 are described.

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