Description

1-Bromo-2,5,8-Undecatriyne is a specialized organic building block characterized by its unique structure containing a bromine atom and three alkyne functionalities. This compound is valued for its role as a versatile intermediate in advanced organic synthesis, particularly in the construction of complex molecular architectures. It is primarily sought after by research institutions and chemical manufacturers in the pharmaceutical, agrochemical, and materials science sectors for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new active pharmaceutical ingredients (APIs), especially for compounds requiring linear, conjugated frameworks.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and plant growth regulators that leverage its reactive bromine and alkyne groups.
• Material Science Research: Acts as a precursor for synthesizing advanced polymers, dendrimers, and carbon-rich molecules with potential electronic or optical properties.
• Cross-Coupling Reactions: An effective substrate in Sonogashira, Heck, and other palladium-catalyzed cross-coupling reactions to form complex organic structures.
• Click Chemistry: The terminal alkyne groups make it suitable for Huisgen 1,3-dipolar cycloaddition (click chemistry) applications, useful in bioconjugation and polymer chemistry.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands and organometallic catalysts for asymmetric synthesis.

Basic Information

Product Name	1-Bromo-2,5,8-Undecatriyne
CAS No.	34498-25-4
Molecular Formula	C₁₁H₉Br
Molecular Weight	221.09 g/mol
Synonyms	1-Bromoundeca-2,5,8-triyne; Undeca-2,5,8-triyne, 1-bromo-; 1-Bromo-2,5,8-undecatriyne; 1-Bromoundeca-2,5,8-triyne; 2,5,8-Undecatriyne, 1-bromo-
EINECS	Contact for details

Quality Control

Our 1-Bromo-2,5,8-Undecatriyne is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for research and development materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. Due to its light-sensitive nature and reactive functional groups, it is recommended to store under an inert atmosphere for long-term stability and to minimize decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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