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(2R)-N-[(2S,3S)-3-Azido-2-hydroxy-4-phenylbutyl]-N-[(1S)-2-(tert-butyldiphenylsilyloxy)-1-methylethyl]-2-bromopropionamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

191217-15-9

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191217-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 191217-15-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,2,1 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 191217-15:
(8*1)+(7*9)+(6*1)+(5*2)+(4*1)+(3*7)+(2*1)+(1*5)=119
119 % 10 = 9
So 191217-15-9 is a valid CAS Registry Number.

191217-15-9Relevant articles and documents

Synthesis of conformationally restricted mimetics of γ-turns and incorporation into desmopressin, an analogue of the peptide hormone vasopressin

Brickmann, Kay,Yuan, ZhongQing,Sethson, Ingmar,Somfai, Peter,Kihlberg, Jan

, p. 2241 - 2253 (2007/10/03)

Mimetics of tripeptides adopting inverse and classical γ-turn conformations have been designed and synthesized by an enantioselective approach and then incorporated in an analogue of the hormone vasopressin. In the mimetics one of the amide bonds of the γ

An approach to enantiomerically pure inverse γ-turn mimetics for use in solid-phase synthesis

Brickmann, Kay,Somfai, Peter,Kihlberg, Jan

, p. 3651 - 3654 (2007/10/03)

An inverse γ-turn mimetic, having a morpholin-3-one ring as the key structural unit, was prepared in enantiomerically pure form in seven steps and 37% overall yield starting from 2(R)-[1'(S)-azido-2'-phenylethyl]oxirane (3). The mimetic has side-chains corresponding to a Phe-Ala-Ala tripeptide but the synthetic route was designed to allow incorporation also of other side chains. Molecular mechanics calculations revealed that the torsional angles of the second residue of the mimetic were effectively locked into an inverse γ-turn like conformation.

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