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CS-W001157 4
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1,1-Diethoxybut-2-yne

  • CAS No. 2806-97-5

  • Cat. No. CS-0328147
  • Molecule weight142.20
  • Purity≥98%
  • MDL No.MFCD00009274

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

1,1-Diethoxybut-2-yne|CS-0328147

Structure of 2806-97-5

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General Information

  • CAS No. 2806-97-5
  • Cat. No. CS-0328147
  • Purity ≥98%
  • MDL No. MFCD00009274
  • Storage Sealed in dry,2-8℃
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₈H₁₄O₂
  • Molecular Weight 142.20
  • Synonym(s) 2-Butyn-1-al diethyl acetal
  • SMILES CC#CC(OCC)OCC

Description

Tos-PEG2-t-butyl ester is a PEG linker containing a t-butyl ester and a tosyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The tosyl group is a very good leaving group for nucleophilic substitution reactions.

Synthesis

  • Route1
    • null|null
      64-17-5
    • null|null
      130894-83-6
    • ~65%
    • 1,1-Diethoxybut-2-yne|CS-0328147
      2806-97-5

    References

    • Bakstad, Einar; Sydnes, Leiv K. Acta Chemica Scandinavica, 1998 , vol. 52, # 8 p. 1029 - 1033
  • Route2
    • null|null
      64-17-5
    • null|null
      212692-82-5
    • ~63%
    • 1,1-Diethoxybut-2-yne|CS-0328147
      2806-97-5

    References

    • Bakstad, Einar; Sydnes, Leiv K. Acta Chemica Scandinavica, 1998 , vol. 52, # 8 p. 1029 - 1033
  • Route3
    • null|null
      122-51-0
    • ~%
    • 1,1-Diethoxybut-2-yne|CS-0328147
      2806-97-5

    References

    • Viguier Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1911 , vol. 152, p. 1492 Annales de Chimie (Cachan, France), 1913 , vol. <8>28, p. 494

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS02,GHS07
Signal Word : Danger
UN#: 1993
Class : 3
Packing Group : Ⅲ
Hazard Statements : H225-H315-H319-H335
Precautionary Statements : P210-P233-P240-P241-P242-P243-P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P370+P378-P405-P501

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Computational Chemistry Data

  • TPSA   18.46
  • LogP   1.4088
  • H_Acceptors   2
  • H_Donors   0
  • Rotatable_Bonds   4

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