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3-Bromo-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole

  • CAS No. 174790-35-3

  • Cat. No. CS-0054995
  • Purity≥97%
  • MDL No.None

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

3-Bromo-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole|CS-0054995

Structure of 174790-35-3

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General Information

  • CAS No. 174790-35-3
  • Cat. No. CS-0054995
  • Purity ≥97%
  • MDL No. None
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₆H₇BrN₂
  • Molecular Weight 187.04
  • Synonym(s) 3-bromo-4H,5H,6H-pyrrolo[1,2-b]pyrazole
  • SMILES BrC1=C(CCC2)N2N=C1

Description

This brominated heterocycle features a reactive pyrrolo[1,2-b]pyrazole core with a strategically positioned bromine at the 3-position, enabling facile cross-coupling transformations. The dihydro configuration enhances stability while preserving synthetic utility in constructing complex nitrogen-rich scaffolds for medicinal chemistry and materials applications.

Application

3-Bromo-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole serves as a versatile heterocyclic building block for medicinal chemistry and process development. Its bromine substituent enables palladium-catalyzed cross-coupling reactions, facilitating the construction of complex scaffolds. The dihydro-pyrrolopyrazole core exhibits good bench stability and functional group tolerance, supporting efficient derivatization in standard synthetic 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-P330-P362+P364-P405-P501

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Computational Chemistry Data

  • TPSA   17.82
  • LogP   1.5918
  • H_Acceptors   2
  • H_Donors   0
  • Rotatable_Bonds   0

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