Cas no 304021-05-4 (tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate)

Tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate is a chiral carbamate derivative commonly employed as an intermediate in organic synthesis and pharmaceutical applications. Its tert-butyloxycarbonyl (Boc) protecting group offers stability under basic and nucleophilic conditions while allowing selective deprotection under acidic conditions. The (1S)-1-ethyl-2-oxo-propyl moiety introduces stereochemical specificity, making it valuable for asymmetric synthesis. This compound is particularly useful in peptide coupling reactions and the preparation of enantiomerically pure compounds. Its well-defined reactivity and compatibility with a range of synthetic conditions enhance its utility in complex multi-step syntheses. The product is typically handled under inert conditions to preserve its integrity.
tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate structure
304021-05-4 structure
Product Name:tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate
CAS No:304021-05-4
MF:C10H19NO3
MW:201.262763261795
MDL:MFCD18835646
CID:299514
PubChem ID:45091960
Update Time:2025-11-01

tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate Chemical and Physical Properties

Names and Identifiers

    • Carbamic acid,N-[(1S)-1-ethyl-2-oxopropyl]-, 1,1-dimethylethyl ester
    • Carbamicacid, [(1S)-1-ethyl-2-oxopropyl]-, 1,1-dimethylethyl ester (9CI)
    • tert-Butyl((1S)-1-ethyl-2-oxopropyl)carbamate
    • tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate
    • tert-butyl [(1S)-1-ethyl-2-oxopropyl]carbamate
    • tert-Butyl (S)-(2-oxopentan-3-yl)carbamate
    • OYMVICMFVPPYRS-QMMMGPOBSA-N
    • CS-0105934
    • tert-butyl[(1S)-1-ethyl-2-oxopropyl]carbamate
    • AS-78473
    • TERT-BUTYL N-[(3S)-2-OXOPENTAN-3-YL]CARBAMATE
    • 304021-05-4
    • MFCD18835646
    • starbld0018457
    • P19879
    • Carbamic acid, [(1S)-1-ethyl-2-oxopropyl]-, 1,1-dimethylethyl ester (9CI)
    • (S)-tert-Butyl (2-oxopentan-3-yl)carbamate
    • t-Butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate
    • SCHEMBL8245652
    • (S)-3-(tert-Butoxycarbonylamino)-2-pentanone
    • MDL: MFCD18835646
    • Inchi: 1S/C10H19NO3/c1-6-8(7(2)12)11-9(13)14-10(3,4)5/h8H,6H2,1-5H3,(H,11,13)/t8-/m0/s1
    • InChI Key: OYMVICMFVPPYRS-QMMMGPOBSA-N
    • SMILES: O(C(N[C@H](C(C)=O)CC)=O)C(C)(C)C

Computed Properties

  • Exact Mass: 201.136
  • Monoisotopic Mass: 201.136
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 14
  • Rotatable Bond Count: 5
  • Complexity: 218
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 1
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 55.4A^2
  • XLogP3: 1.6

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Additional information on tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate

tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate (CAS No. 304021-05-4): A Comprehensive Overview

tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate (CAS No. 304021-05-4) is a versatile organic compound with significant applications in various fields, including pharmaceuticals, agrochemicals, and materials science. This compound, often referred to as tert-butyl carbamate derivative, has garnered attention due to its unique chemical properties and potential for further functionalization. Recent studies have highlighted its role in the synthesis of bioactive molecules and its utility in advanced material fabrication.

The molecular structure of tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate is characterized by a tert-butyl group attached to a carbamate moiety, which is further connected to an ethyl-substituted oxo-propyl chain. This configuration imparts the compound with a chiral center at the (1S) position, making it highly relevant in stereochemistry and enantioselective synthesis. The presence of the oxo group introduces additional reactivity, enabling the compound to participate in various nucleophilic and electrophilic reactions.

Recent research has focused on the synthesis and characterization of tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate, particularly its role as an intermediate in the preparation of complex molecules. For instance, studies have demonstrated its utility in the construction of peptide analogs and bioisosteres, which are critical in drug discovery programs. The compound's ability to undergo controlled hydrolysis under specific conditions has also been explored, offering insights into its potential as a prodrug or controlled-release agent.

In terms of physical properties, tert-butyl N-[(1S)-1-ethyl-2-oxo-propyl]carbamate exhibits a melting point of approximately 85°C and a boiling point around 350°C under standard conditions. Its solubility profile shows moderate solubility in organic solvents such as dichloromethane and ethyl acetate, while it is sparingly soluble in water. These characteristics make it suitable for use in organic synthesis protocols that require precise control over reaction conditions.

The synthesis of tert-butyl N-[(1S)-1-ethyl-2 oxo propyl]carbamate typically involves multi-step processes, often starting from readily available starting materials such as ethyl acetoacetate or related compounds. Recent advancements have introduced more efficient synthetic routes, leveraging catalytic asymmetric methodologies to achieve high enantiomeric excess. For example, the use of chiral catalysts like (R,R)-BINOL-based ligands has enabled the asymmetric synthesis of this compound with excellent stereoselectivity.

Applications of tert-butyl N [(1S) 1 ethyl 2 oxo propyl] carbamate span across diverse industries. In pharmaceuticals, it serves as a key intermediate in the synthesis of β-lactam antibiotics and other therapeutic agents. Its ability to act as a protecting group for amino acids during peptide synthesis has also been widely recognized. In agrochemicals, this compound has been explored for its potential as a precursor to herbicides and insecticides with enhanced efficacy and reduced environmental impact.

Recent studies have also delved into the environmental fate and toxicity of tert butyln [(1S) 1 ethyl 2 oxo prop yl] carbamate, providing valuable insights into its biodegradation pathways and ecotoxicological effects. These findings underscore the importance of sustainable practices in its production and disposal to minimize ecological risks.

In conclusion, tert butyln [(1S) 1 eth yl 2 ox o pro pyl] carbamate (CAS No. 304021 05 4) stands out as a pivotal compound in modern organic chemistry due to its structural versatility and functional diversity. Ongoing research continues to uncover new applications and optimize its synthesis pathways, ensuring its relevance in both academic and industrial settings.

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