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tert-butyl (S)-benzyl(4-methyl-1-oxopentan-2-yl)carbamate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

158380-75-7

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158380-75-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158380-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,3,8 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 158380-75:
(8*1)+(7*5)+(6*8)+(5*3)+(4*8)+(3*0)+(2*7)+(1*5)=157
157 % 10 = 7
So 158380-75-7 is a valid CAS Registry Number.

158380-75-7Relevant academic research and scientific papers

Oxazolidinones and 2,5-Dihydrofurans via Zinc-Catalyzed Regioselective Allenylation Reactions of l -α-Amino Aldehydes

Zamani, Farzad,Pyne, Stephen G.,Hyland, Christopher J. T.

, p. 6819 - 6830 (2017/07/17)

The simultaneous control of diastereoselectivity and regioselectivity in Zn-catalyzed allenylation reactions of N-protected l-α-amino aldehydes is reported. A reversal in diastereoselectivity could be realized by variation of the α-amino aldehyde protecti

Substrate-Controlled Diastereoselectivity Reversal in NHC-Catalyzed Cross-Benzoin Reactions Using N-Boc-N-Bn-Protected α-Amino Aldehydes

Haghshenas, Pouyan,Quail, J. Wilson,Gravel, Michel

, p. 12075 - 12083 (2016/12/23)

The effectiveness of utilizing N-Bn-N-Boc-α-amino aldehydes in cross-benzoin reactions with heteroaromatic aldehydes is demonstrated. The reaction is both chemoselective and syn-selective, making it complementary to the anti-selective cross-benzoin reaction of NHBoc-α-amino aldehydes. Good diastereoselectivity is obtained for a variety of amino aldehydes, including nonhindered ones. A Felkin-Anh model can be used to rationalize the observed diastereoselectivity.

A facile synthesis of 1,5-disubstituted-2-aminoimidazoles: Antibiotic activity of a first generation library

Harris, Tyler L.,Worthington, Roberta J.,Melander, Christian

, p. 4516 - 4519 (2011/09/12)

An efficient synthetic route to 1,5-disubstituted 2-aminoimidazoles from readily available amino acids and aldehydes has been developed. A library of simple analogues was synthesized and several compounds were shown to exhibit notable antibiotic activity

Scope and limitations of the alkylidene carbene 1,5-CH insertion reactions of α-amino acid-derived substrates

Mapitse, Renameditswe,Hayes, Christopher J

, p. 3541 - 3542 (2007/10/03)

A range of α-amino acid-derived cyclisation precursors were synthesised from suitably protected α-amino esters, via a Dibal-H/Wittig/catalytic hydrogenation strategy and each of these was subjected to alkylidene carbene-forming conditions (lithio(trimethy

Stereoselective Synthesis of (2S,3S)-Norstatine Derivatives by Addition of Lithiated Methoxyallene to Amino Aldehydes and Subsequent Ozonolysis

Hormuth, Stephan,Reissig, Hans-Ulrich,Dorsch, Dieter

, p. 121 - 128 (2007/10/02)

Addition of lithiated methoxyallene 2 to optically active N-benzyl-Boc-protected amino aldehydes 12-14 and to aldehyde 16 provides products 17-20 with good to excellent diastereoselectivity.These adducts are subsequently cleaved by ozonolysis to give α-hydroxy-β-amino acid derivatives 21-25 in good overall yield.By conversion into an oxazolidone derivative, the configuration of the major diastereomer was determined to be anti (2S,3S).Thus, the additions of 2 follow the course proposed by the Felkin-Anh model and are not ruled by chelation effects.The diastereoselective synthesis of 22 constitutes one of the simplest routes to a protected norstatine derivative. - Key Words: Methoxyallene / Allenes / Aldehydes, α-amino / Lithium compounds / Ozonolysis / Norstatine derivatives

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