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CS-W001157 4
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7-Bromophthalazin-1(2H)-one

  • CAS No. 152265-57-1

  • Cat. No. CS-0041951
  • Purity≥95%
  • MDL No.MFCD11518962

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

7-Bromophthalazin-1(2H)-one|CS-0041951

Structure of 152265-57-1

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General Information

  • CAS No. 152265-57-1
  • Cat. No. CS-0041951
  • Purity ≥95%
  • MDL No. MFCD11518962
  • Storage Store at room temperature
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₈H₅BrN₂O
  • Molecular Weight 225.04
  • Synonym(s) 7-Bromo-phthalazin-1-ol
  • SMILES BrC1=CC=C2C=NNC(=O)C2=C1

Description

7-Bromophthalazin-1(2H)-one features a brominated phthalazinone core with a labile lactam hydrogen, enabling direct functionalization at the 7-position. This electron-deficient scaffold integrates readily into pharmaceutical intermediates and agrochemicals, offering enhanced reactivity under standard coupling conditions.

Application

7-Bromophthalazin-1(2H)-one serves as a versatile building block for the synthesis of phthalazinone-based pharmaceuticals and agrochemicals. Its bromine substituent enables palladium-catalyzed cross-coupling reactions, facilitating the construction of biaryl scaffolds with high efficiency. The molecule exhibits excellent bench stability and compatibility with diverse functional groups, enabling straightforward incorporation into complex molecular architectures.

Synthesis

  • Route1

    References

    • KUDOS PHARMACEUTICALS LIMITED Patent: WO2008/23161 A1, 2008 ; Location in patent: Page/Page column 115 ; WO 2008/023161 A1

Safety Information

Download SDS
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

Quality Control

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Computational Chemistry Data

  • TPSA   45.75
  • LogP   1.6856
  • H_Acceptors   2
  • H_Donors   1
  • Rotatable_Bonds   0

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