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1-(tert-Butyl) 3-ethyl 4-oxoazepane-1,3-dicarboxylate

  • CAS No. 98977-37-8

  • Cat. No. CS-0197545
  • Molecule weight285.34
  • Purity≥95%
  • MDL No.None

*For research and further manufacturing use only, not for direct human use.

1-(tert-Butyl) 3-ethyl 4-oxoazepane-1,3-dicarboxylate|CS-0197545

Structure of 98977-37-8

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General Information

  • CAS No. 98977-37-8
  • Cat. No. CS-0197545
  • Purity ≥95%
  • MDL No. None
  • Storage Store at room temperature
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₁₄H₂₃NO₅
  • Molecular Weight 285.34
  • Synonym(s) 1-Tert-butyl 3-ethyl 4-oxoazepane-1,3-dicarboxylate
  • SMILES CCOC(=O)C1CN(CCCC1=O)C(=O)OC(C)(C)C

Description

This azepane derivative features a sterically shielded tert-butyl group and an ethyl ester, enabling robust stability and selective reactivity. The 4-oxo functionality enhances electrophilicity at C4, facilitating nucleophilic addition under mild conditions. Designed for modular synthesis in medicinal chemistry, the dicarboxylate scaffold supports efficient derivatization and incorporation into complex heterocyclic frameworks.

Application

1-(tert-Butyl) 3-ethyl 4-oxoazepane-1,3-dicarboxylate serves as a versatile bicyclic building block for the synthesis of nitrogen-containing heterocycles. Its 4-oxo functionality enables enolization and nucleophilic addition, while the ester groups support selective hydrolysis and coupling reactions. The tert-butyl and ethyl substituents provide steric protection and facilitate purification. This compound functions effectively in multistep syntheses requiring controlled reactivity and stability under standard organic transformation conditions.

Synthesis

  • Route1
    • null|null
      623-73-4
    • null|null
      79099-07-3
    • ~98%
    • In-stock
      1-(tert-Butyl) 3-ethyl 4-oxoazepane-1,3-dicarboxylate|CS-0197545
      98977-37-8

    References

    • SEPRACOR INC.; BURDI, Douglas; SPEAR, Kerry, L.; HARDY, Larry, Wendell Patent: WO2010/114971 A1, 2010 ; Location in patent: Page/Page column 155-156 ;
  • Route2
    • null|null
      623-73-4
    • In-stock
      1-Boc-3-piperidone|CS-D0647
      98977-36-7
    • ~32%
    • In-stock
      1-(tert-Butyl) 3-ethyl 4-oxoazepane-1,3-dicarboxylate|CS-0197545
      98977-37-8
    • 1-(tert-Butyl) 4-ethyl 3-oxoazepane-1,4-dicarboxylate|CS-0145931
      98977-38-9

    References

    • JANSSEN PHARMACEUTICA NV; CARRUTHERS, Nicholas, I.; MACDONALD, Gregor, J.; SHIREMAN, Brock, T.; TRAN, Vi, T. Patent: WO2010/53825 A1, 2010 ; Location in patent: Page/Page column 32-33 ; WO 2010/053825 A1
  • Route3

    References

    • Brehm, Lotte; Krogsgaard-Larsen, Povl; Schaumburg, Kjeld; Johansen, Joergen S.; Falch, Erik; Curtis, David R. Journal of Medicinal Chemistry, 1986 , vol. 29, # 2 p. 224 - 229

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H315-H319-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501

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Computational Chemistry Data

  • TPSA   72.91
  • LogP   1.7657
  • H_Acceptors   5
  • H_Donors   0
  • Rotatable_Bonds   2

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