7-Bromo-5-methylbenzofuran

Name: 7-Bromo-5-methylbenzofuran
Brand: ChemScene
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CAS No. 35700-48-2
Cat. No. CS-0029840
Purity≥98%
MDL No.MFCD11877828

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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 35700-48-2

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General Information

CAS No. 35700-48-2
Cat. No. CS-0029840
Purity ≥98%
MDL No. MFCD11877828
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₉H₇BrO
Molecular Weight 211.06
Synonym(s) 7-Bromo-5-methyl-1-benzofuran
SMILES CC1=CC(Br)=C(OC=C2)C2=C1

Description

7-Bromo-5-methylbenzofuran is a sterically accessible benzofuran derivative featuring a bromine atom at the 7-position and a methyl group at the 5-position. This substitution pattern imparts enhanced stability and facilitates direct functionalization in cross-coupling reactions, enabling efficient access to complex heterocyclic architectures under standard conditions.

Application

7-Bromo-5-methylbenzofuran serves as a versatile building block in medicinal chemistry and materials science, enabling efficient C–H functionalization and cross-coupling reactions. Its bromo group facilitates palladium-catalyzed coupling with boronic acids and amines, while the methyl substituent enhances lipophilicity and metabolic stability. The benzofuran core provides structural rigidity and π-conjugation, making it valuable for constructing bioactive heterocycles and fluorescent scaffolds. Bench-stable and readily purified by flash chromatography, it integrates seamlessly into multi-step syntheses.

Synthesis

Route1
- 799766-31-7
- ~64%
- In-stock
  
  35700-48-2
References
- WYETH Patent: WO2004/103941 A2, 2004 ; Location in patent: Page 36-37 ; WO 2004/103941 A2
Route2
- In-stock
  
  6627-55-0
- ~%
- In-stock
  
  35700-48-2
References
- Klenc, Jeff; Strekowski, Lucjan Heterocyclic Communications, 2010 , vol. 16, # 4-6 p. 249 - 252

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H315-H319-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P405-P501

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Computational Chemistry Data

TPSA 13.14
LogP 3.50372
H_Acceptors 1
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Benzofuran compounds

Key Words

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7-Bromo-5-methylbenzofuran

CAS No. 35700-48-2

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