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CS-W001157 4
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1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole

  • CAS No. 847818-79-5

  • Cat. No. CS-W006090
  • Purity≥97%
  • MDL No.MFCD05664574

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

1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole|CS-W006090

Structure of 847818-79-5

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General Information

  • CAS No. 847818-79-5
  • Cat. No. CS-W006090
  • Purity ≥97%
  • MDL No. MFCD05664574
  • Storage -20°C, sealed storage, away from moisture
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₁₁H₁₉BN₂O₂
  • Molecular Weight 222.09
  • Synonym(s) 1,3-dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
  • SMILES CC1(C)C(C)(C)OB(C2=CC(C)=NN2C)O1

Description

1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole features a boronate ester group that enables reliable Suzuki-Miyaura cross-coupling reactions under mild conditions. This bench-stable reagent integrates seamlessly into complex molecule assembly, offering high functional group tolerance and predictable reactivity in biaryl synthesis.

Application

1,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole serves as a stable, bench-ready boronate building block for Suzuki-Miyaura cross-coupling reactions. The tetramethyl-substituted dioxaborolane moiety enhances air and moisture tolerance, enabling reliable coupling with aryl and heteroaryl halides. Its pyrazole core provides a versatile scaffold for medicinal chemistry and materials science applications, offering excellent functional group compatibility and straightforward purification via standard chromatographic methods.

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   36.28
  • LogP   1.02772
  • H_Acceptors   4
  • H_Donors   0
  • Rotatable_Bonds   1

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