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81505-49-9

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81505-49-9 Usage

General Description

(S)-(-)-Methyl 2-[(tert-butoxycarbonyl)amino]-6-hydroxypentanoate, also known by its chemical formula C12H23NO5, is a compound commonly used in organic synthesis and pharmaceutical research. It is a derivative of the naturally occurring amino acid valine, and is often employed as a building block for the synthesis of peptides and other biologically active molecules. The compound functions as a protecting group, specifically for the amino group of valine, and can be selectively removed under mild conditions to reveal the free amine. This makes it a valuable tool for controlling the reactivity and selectivity of chemical reactions. (S)-(-)-Methyl 2-[(tert-butoxycarbonyl)amino]-6-hydroxypentanoate is typically prepared by the condensation of (S)-valine with tert-butyl chloroformate, followed by ester hydrolysis to obtain the desired product.

Check Digit Verification of cas no

The CAS Registry Mumber 81505-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,0 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81505-49:
(7*8)+(6*1)+(5*5)+(4*0)+(3*5)+(2*4)+(1*9)=119
119 % 10 = 9
So 81505-49-9 is a valid CAS Registry Number.

81505-49-9Relevant articles and documents

Synthesis and inhibitory activity of substrate-analog fructosyl peptide oxidase inhibitors

Watanabe, Bunta,Ichiyanagi, Atsushi,Hirokawa, Kozo,Gomi, Keiko,Nakatsu, Toru,Kato, Hiroaki,Kajiyama, Naoki

, p. 3910 - 3913 (2015)

Abstract Fructosyl peptide oxidases (FPOXs) play a crucial role in the diagnosis of diabetes. Their main function is to cleave fructosyl amino acids or fructosyl peptides into glucosone and the corresponding amino acids/dipeptides. In this study, the subs

Catalytic Asymmetric Hydrogenation of Dehydroamino Acid Esters with Biscarbamate Protection and Its Application to the Synthesis of xCT Inhibitors

Yasuno, Yoko,Mizutani, Iho,Sueuchi, Yuki,Wakabayashi, Yuuka,Yasuo, Nozomi,Shimamoto, Keiko,Shinada, Tetsuro

, p. 5145 - 5148 (2019/03/17)

Catalytic asymmetric hydrogenation of dehydroamino acid esters with biscarbamate protection was examined for the first time to prepare optically active amino acids. The new method was successfully applied to the synthesis of new cystine–glutamate exchanger inhibitors.

CONFORMATIONALLY CONSTRAINED, FULLY SYNTHETIC MACROCYCLIC COMPOUNDS

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Paragraph 0442; 0443, (2015/02/25)

The conformationally restricted, spatially defined macrocyclic ring system of formula (I) is constituted by three distinct molecular parts: Template A, conformation Modulator B and Bridge C. Macrocycles described by this ring system I are readily manufactured by parallel synthesis or combinatorial chemistry in solution or on solid phase. They are designed to interact with a variety of specific biological target classes, examples being agonistic or antagonistic activity on G-protein coupled receptors (GPCRs), inhibitory activity on enzymes or antimicrobial activity. In particular, these macrocycles show inhibitory activity on endothelin converting enzyme of subtype 1 (ECE-1) and/or the cysteine protease cathepsin S (CatS), and/or act as antagonists of the oxytocin (OT) receptor, thyrotropin-releasing hormone (TRH) receptor and/or leukotriene B4 (LTB4) receptor, and/or as agonists of the bombesin 3 (BB3) receptor, and/or show antimicrobial activity against at least one bacterial strain. Thus they are showing great potential as medicaments for a variety of diseases.

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