1-Bromo-4-cyclopropylbenzene

Name: 1-Bromo-4-cyclopropylbenzene
Brand: ChemScene
Availability: InStock
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CAS No. 1124-14-7
Cat. No. CS-W023171
Molecule weight197.07
Purity≥97%
MDL No.MFCD00101828

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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Structure of 1124-14-7

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General Information

CAS No. 1124-14-7
Cat. No. CS-W023171
Purity ≥97%
MDL No. MFCD00101828
Storage 4°C, stored under nitrogen
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₉H₉Br
Molecular Weight 197.07
Synonym(s) (4-Bromophenyl)cyclopropane; (p-Bromophenyl)cyclopropane; 4-Bromocyclopropylbenzene; 4-Cyclopropylbromobenzene; 4-Cyclopropylphenyl bromide; 1-Bromo-4-cyclopropylbenzene
SMILES BrC1=CC=C(C2CC2)C=C1

Description

1-Bromo-4-cyclopropylbenzene features a cyclopropyl group positioned para to a bromine atom on the benzene ring, delivering enhanced lipophilicity and steric profile. This configuration enables efficient coupling in cross-coupling reactions, where the cyclopropyl moiety contributes rigidity and metabolic stability. The compound serves as a robust building block for pharmaceutical intermediates and functional materials.

Application

1-Bromo-4-cyclopropylbenzene serves as a versatile aryl halide building block in cross-coupling reactions, enabling efficient construction of biaryl scaffolds under standard Pd-catalyzed conditions. The cyclopropyl group provides steric and electronic modulation while maintaining excellent bench stability and compatibility with diverse functional groups. Its predictable reactivity facilitates reliable synthesis of complex aromatic systems relevant to medicinal chemistry and materials science.

Synthesis

Route1
- In-stock
  
  873-49-4
- ~87%
- In-stock
  
  1124-14-7
References
- Li, Xun; Wells, Kenneth M.; Branum, Shawn; Damon, Sandra; Youells, Scott; Beauchamp, Derek A.; Palmer, David; Stefanick, Stephen; Russell, Ronald K.; Murray, William Organic Process Research and Development, 2012 , vol. 16, # 11 p. 1727 - 1732
Route2
- In-stock
  
  593-71-5
- ~%
- In-stock
  
  1124-14-7
References
- EP1364957 A1, ; Page/Page column 23 ;
Route3
- In-stock
  
  873-49-4
- ~%
- In-stock
  
  1124-14-7
- 65662-63-7
- In-stock
  
  57807-28-0
References
- Organic Process Research and Development, , vol. 16, # 11 p. 1727 - 1732

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 0
LogP 3.3265
H_Acceptors 0
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Bioactive Molecules Natural Products

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Building Blocks Skeleton Fatty ring compounds Cyclopropane compounds

Key Words

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1-Bromo-4-cyclopropylbenzene

CAS No. 1124-14-7

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