Description

Cyclopropane, 1-(1,1-Dimethylethoxy)-2-Ethynyl-, trans- (9Ci) is a specialized organic building block featuring a unique cyclopropane ring system substituted with an ethynyl group and a tert-butoxy moiety. This compound matters as a high-value synthetic intermediate, enabling the construction of complex molecular architectures in advanced research and development. It is primarily needed by pharmaceutical and agrochemical R&D chemists for applications in medicinal chemistry, process development, and the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new drug candidates, particularly for constructing constrained ring systems.
• Agrochemical Synthesis: Used in the discovery and production of novel pesticides and herbicides, leveraging its reactive functional groups.
• Material Science Research: Acts as a precursor for advanced polymers or functional materials requiring rigid, three-membered ring structures.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for cyclopropanation reactions and the introduction of alkyne functionalities.
• Ligand and Catalyst Development: Useful in the preparation of specialized ligands for asymmetric catalysis or metal-organic frameworks.

Basic Information

Product Name	Cyclopropane, 1-(1,1-Dimethylethoxy)-2-Ethynyl-, trans- (9Ci)
CAS No.	136689-65-1
Molecular Formula	C9H14O
Molecular Weight	138.21 g/mol
Synonyms	trans-1-(tert-Butoxy)-2-ethynylcyclopropane; 1-(tert-Butoxy)-2-ethynylcyclopropane, trans-; 2-Ethynyl-1-(1,1-dimethylethoxy)cyclopropane, trans-; trans-2-Ethynyl-1-tert-butoxycyclopropane; 1-tert-Butoxy-2-ethynylcyclopropane (trans); Cyclopropane, 1-(1,1-dimethylethoxy)-2-ethynyl-, (1R,2R)-rel-; (1R,2R)-rel-1-(tert-Butoxy)-2-ethynylcyclopropane
EINECS	Contact for details

Quality Control

Our Cyclopropane, 1-(1,1-Dimethylethoxy)-2-Ethynyl-, trans- (9Ci) is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place, ideally at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 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.