Description

(S)-4,5-Isopropylidene-2-Pentenylbromide is a high-purity chiral building block and key synthetic intermediate of significant value in advanced organic synthesis. Its defined stereochemistry and reactive bromoalkene functionality make it indispensable for constructing complex molecular architectures with precise spatial orientation. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of complex drug candidates, particularly in medicinal chemistry programs targeting new therapeutics.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where specific stereochemistry is required for biological activity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized chiral ligands and organometallic catalysts used in asymmetric synthesis.
• Fine Chemical Production: Employed in the multistep synthesis of specialty chemicals, flavors, and fragrances requiring high stereochemical purity.
• Academic and R&D: A valuable reagent for methodological studies in organic chemistry, enabling novel carbon-carbon and carbon-heteroatom bond-forming reactions.
• Material Science Research: Potential building block for synthesizing chiral polymers or advanced organic materials with specific optical properties.

Basic Information

Product Name	(S)-4,5-Isopropylidene-2-Pentenylbromide
CAS No.	198402-59-4
Molecular Formula	C8H13BrO
Molecular Weight	205.09 g/mol
Synonyms	(S)-4,5-O-Isopropylidene-2-penten-1-yl bromide; (S)-4,5-O-Isopropylidene-2-pentenyl bromide; (S)-2-(Bromomethyl)-4,4-dimethyl-2,5-dihydrofuran; (S)-4,5-Isopropylidene-2-pentenyl bromide; (S)-4,5-O-Isopropylidene-2-penten-1-ol bromide; (S)-2-Pentenylbromide, 4,5-isopropylidene-; Bromo derivative of (S)-4,5-O-isopropylidene-2-penten-1-ol
EINECS	Contact for details

Quality Control

Our (S)-4,5-Isopropylidene-2-Pentenylbromide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and enantiomeric excess.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.