2-Bromo-1,3,5-tris(1-methylethyl)benzene

Name: 2-Bromo-1,3,5-tris(1-methylethyl)benzene
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CAS No. 21524-34-5
Cat. No. CS-D1723
Purity≥97%
MDL No.MFCD00051547

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
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2-Bromo-1,3,5-tris(1-methylethyl)benzene|CS-D1723

Structure of 21524-34-5

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Description

Hydroxy-PEG5-CH2CO2tBu is a PEG linker containing a hydroxyl group with a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Application

2-Bromo-1,3,5-tris(1-methylethyl)benzene serves as a sterically hindered aryl bromide enabling palladium-catalyzed cross-coupling reactions under standard conditions. Its three bulky tert-butyl groups provide enhanced stability and resistance to side reactions, facilitating clean transformations in Suzuki, Stille, and Negishi couplings. The molecule exhibits excellent bench stability and simplifies purification due to low solubility in common workup solvents, making it well-suited for iterative synthesis of complex aromatic scaffolds.

General Information

CAS No. 21524-34-5
Cat. No. CS-D1723
Purity ≥97%
MDL No. MFCD00051547
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₅H₂₃Br
Molecular Weight 283.25
Synonym(s) 1-Bromo-2,4,6-triisopropylbenzene; 2,4,6-Triisopropyl-1-bromobenzene; 2,4,6-Triisopropylbromobenzene; 2,4,6-Triisopropylphenyl bromide; 2-Bromo-1,3,5-triisopropylbenzene
SMILES CC(C1=CC(C(C)C)=C(Br)C(C(C)C)=C1)C

Computational Chemistry Data

TPSA 0
LogP 5.8193
H_Acceptors 0
H_Donors 0
Rotatable_Bonds 3

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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Other Classifications

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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2-Bromo-1,3,5-tris(1-methylethyl)benzene

CAS No. 21524-34-5

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