Description

4-Pentenoic Acid, 4-Bromo-, 1,1-Dimethylethyl Ester is a high-purity, specialized organic building block featuring both a reactive bromine atom and a terminal alkene group. This unique bifunctional structure makes it a versatile intermediate for advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily utilized by pharmaceutical R&D and fine chemical manufacturers for applications such as medicinal chemistry and the development of novel materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex bioactive molecules.
• Cross-Coupling Reactions: The bromine substituent makes it a suitable substrate for palladium-catalyzed reactions like Suzuki, Heck, or Sonogashira couplings.
• Polymer Chemistry: Used in the development of specialty polymers and functional materials, where the alkene group can participate in polymerization or modification reactions.
• Agrochemical Synthesis: Employed in the research and production of advanced crop protection agents and herbicides.
• Ligand and Catalyst Development: Acts as a building block for creating novel chiral ligands or organocatalysts used in asymmetric synthesis.
• Chemical Biology Probes: Useful for synthesizing labeled compounds or probes for studying biological mechanisms.

Basic Information

Product Name	4-Pentenoic Acid, 4-Bromo-, 1,1-Dimethylethyl Ester
CAS No.	92975-38-7
Molecular Formula	C9H15BrO2
Molecular Weight	235.12 g/mol
Synonyms	tert-Butyl 4-bromopent-4-enoate; 4-Bromo-4-pentenoic acid tert-butyl ester; 4-Bromopent-4-enoic acid 1,1-dimethylethyl ester; 4-Bromo-4-pentenoic acid 1,1-dimethylethyl ester; tert-Butyl 4-bromo-4-pentenoate; (4-Bromo-4-pentenyloxy)-tert-butane; Butanoic acid, 4-bromo-4-pentenyl-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our 4-Pentenoic Acid, 4-Bromo-, 1,1-Dimethylethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure high chemical purity and identity. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee batch-to-batch consistency and support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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