1-Bromo-2-(2-methoxyethoxy)ethane

1-Bromo-2-(2-methoxyethoxy)ethane is a high-purity silicon-compounds supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

1-Bromo-2-(2-methoxyethoxy)ethane is a valuable alkylating agent and intermediate widely used in organic synthesis, pharmaceutical development, materials science, and polymer chemistry. Its structure-featuring both a reactive alkyl bromide and an ether chain-makes it ideal for introducing polar, flexible side chains into various molecules.

1. Alkylating Agent for Nucleophilic Substitution

Due to its primary alkyl bromide group, this compound readily undergoes S_N2 substitution reactions with nucleophiles such as:

Amines → To make tertiary amines or PEGylated amines

Alcohols and phenols → To generate ether derivatives

Thiols → To form thioethers

Carbanions and enolates → For C-alkylation

This reactivity makes it suitable for:

Modifying drug-like molecules

Introducing solubilizing side chains

Creating hydrophilic ligands or surfactants

2. Intermediate in Pharmaceutical and Fine Chemical Synthesis

The diglyme segment mimics polyethylene glycol (PEG)-like chains, making this molecule useful in:

Prodrug synthesis - adding hydrophilic linkers or improving membrane permeability

PEGylation of active molecules - enhancing solubility, bioavailability, or reducing immunogenicity

Preparation of heterocycles and drug scaffolds, especially where solubility or flexibility is crucial

Its versatility allows incorporation into API intermediates, contrast agents, and enzyme inhibitors.

3. Building Block in Polymer Chemistry

The ether units and reactive bromine site make it ideal for modifying polymers:

Surface grafting - introduces hydrophilic chains on hydrophobic polymers (e.g., polystyrene, PMMA)

Monomer synthesis - acts as a functional linker in block or graft copolymers

Curing agent - in specialty polyurethane and epoxy systems

These polymers benefit from enhanced flexibility, solubility, or biocompatibility.

4. Ligand Modification in Coordination Chemistry

The molecule's ether groups can act as weak Lewis bases (donors), and the terminal bromide allows covalent anchoring to:

Ligand scaffolds

Functional surfaces

Metal-organic frameworks (MOFs)

It is especially useful in preparing PEG-like ligands with flexible spacers for metal complex solubilization or bioconjugation.

5. Precursor for Ionic Liquids and Surfactants

The bromide site enables synthesis of:

Quaternary ammonium salts (e.g., with trialkylamines)

Zwitterionic or ionic surfactants

Ionic liquid precursors with high polarity and unique solvent properties

Such molecules are important in green chemistry, electrochemistry, and emulsion systems.

The multifunctionality of 1-Bromo-2-(2-methoxyethoxy)ethane gives it several unique benefits in synthesis and product formulation:

1. Dual Reactivity

Alkyl bromide: Highly reactive toward nucleophiles

Ether chain: Inert yet polar, mimicking PEG functionality

This enables it to modify both hydrophobic and hydrophilic systems, or serve as a bridge between incompatible phases.

2. Enhances Solubility and Flexibility

The ether backbone:

Increases hydrophilicity of the modified compounds

Provides conformational flexibility

Improves solubility in polar organic and aqueous solvents

This is highly beneficial in drug discovery, formulation science, and polymer additives.

3. PEG-Like Characteristics Without Full PEG

Offers a compact and low-molecular-weight alternative to PEG-based linkers:

Easier to purify

Lower viscosity

Simpler incorporation into small molecules or polymers

Useful in cases where PEG chains would be too bulky or hard to control.

4. Efficient and Scalable

Readily available and affordable reagent

High-yielding reactions with broad substrate compatibility

Amenable to multi-gram scale reactions in industry

5. Enables Structural Diversification

Useful in combinatorial and medicinal chemistry to:

Append variable polar side chains

Generate libraries of drug-like molecules

Tweak lipophilicity, permeability, or metabolic stability

1-Bromo-2-(2-methoxyethoxy)ethane (CAS 54149-17-6) is a versatile alkylating reagent and functional intermediate, bridging the worlds of organic synthesis, pharmaceutical chemistry, and materials science. Its dual character-combining a reactive bromide with a flexible, ether-rich chain-makes it ideal for:

Nucleophilic substitution reactions

PEG-like modification of small molecules and polymers

Synthesis of surfactants, ionic liquids, and prodrugs

Improving solubility and compatibility in complex systems

Its balance of reactivity, solubility, and processability makes it a valuable tool in both research and industrial chemistry.

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