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CS-W001157 4
Total: USD 88.00

Butyltriphenylphosphonium bromide

  • CAS No. 1779-51-7

  • Cat. No. CS-W009726
  • Purity≥97%
  • MDL No.MFCD00011855

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

Butyltriphenylphosphonium bromide|CS-W009726

Structure of 1779-51-7

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General Information

  • CAS No. 1779-51-7
  • Cat. No. CS-W009726
  • Purity ≥97%
  • MDL No. MFCD00011855
  • Storage RT, stored under nitrogen
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₂₂H₂₄BrP
  • Molecular Weight 399.31
  • Synonym(s) (n-Butyl)triphenylphosphonium bromide; Butyltriphenylphosphonium bromide
  • SMILES CCCC[P+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3.[Br-]

Description

Butyltriphenylphosphonium bromide serves as a stable, bench-ready phosphonium salt for Wittig-type olefination reactions. Featuring a bulky triphenylphosphonium head and a butyl tether, it delivers high chemoselectivity in ylide formation under mild conditions. The bromide counterion ensures efficient activation without requiring anhydrous handling. This reagent enables reliable C=C bond construction in complex molecule synthesis.

Application

Butyltriphenylphosphonium bromide serves as a reliable precursor for Wittig reagents, enabling efficient olefination reactions with aldehydes and ketones under mild conditions. The triphenylphosphonium salt exhibits excellent bench stability and facilitates clean elimination to generate phosphine oxide byproducts, simplifying purification. Its functional group tolerance supports use in complex molecule synthesis, making it a practical choice for constructing carbon–carbon double bonds in pharmaceutical and natural product workflows.

Safety Information

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GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

  • TPSA   0
  • LogP   1.7846
  • H_Acceptors   0
  • H_Donors   0
  • Rotatable_Bonds   6

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