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(S)-2-Benzyloxycarbonylamino-5-hydroxy-4-oxo-pentanoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

157695-66-4

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157695-66-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157695-66-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,6,9 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 157695-66:
(8*1)+(7*5)+(6*7)+(5*6)+(4*9)+(3*5)+(2*6)+(1*6)=184
184 % 10 = 4
So 157695-66-4 is a valid CAS Registry Number.

157695-66-4Relevant academic research and scientific papers

SYNTHESIS OF CHIRAL LACTAMS AS TEMPLATES FOR ENZYME INHIBITORS: AN UNUSUAL ANNULATION IN THE INTRAMOLECULAR WADSWORTH-HORNER-EMMONS REACTION

Shankar, Ramaswamy,Scott, A. Ian

, p. 1451 - 1454 (2007/10/02)

Intramolecular carbonylolefination of a dipeptide keto phosphonate furnished unexpected lactams through rearrangement of the phosphonate carbanion.

Stereoselective syntheses of the antibiotics (+)-negamycin and (-)-HON (RI-331)

Schmidt,Stabler,Lieberknecht

, p. 482 - 486 (2007/10/02)

The stereoselective syntheses of the antibiotics (-)-HON (5-hydroxy-4-oxo-L-norvaline, RI-331) and (+)-negamycin starting from (S)-4-[(Z)-2-(benzyloxycarbonylamino)-2-(tert-butoxycarbonyl)vinyl]-2, 2-dimethyl-1,3-dioxolane and (R)-3-benzyloxycarbonyl-5-[(Z)-2-(tert-butoxycarbonylamino)-2-(methoxy carbonyl) vinyl]-2,2-dimethyl-1,3-oxazolidine, respectively, are described.

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