Description

(R)-5-(Diphenylamino)-5-Oxopent-3-Yn-2-Yl Acetate is a chiral, multifunctional organic compound featuring a diphenylamino group, a conjugated ynone system, and an acetate ester. This unique structure makes it a valuable advanced pharmaceutical intermediate and a versatile building block for synthesizing complex molecules with potential biological activity. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for the development of new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) or anti-inflammatory targets.
• Agrochemical Synthesis: Serves as a precursor for creating new herbicides, fungicides, or plant growth regulators with enhanced efficacy and selectivity.
• Ligand and Catalyst Development: The diphenylamino and acetylene groups can be utilized to construct sophisticated ligands for asymmetric catalysis or metal-organic frameworks (MOFs).
• Material Science Research: Used in the synthesis of organic semiconductors, nonlinear optical (NLO) materials, or advanced polymers due to its conjugated π-system.
• Chemical Biology Probe: Acts as a scaffold for developing molecular probes to study enzyme function or biological pathways.
• Custom Synthesis & Contract Manufacturing: A critical building block for custom synthesis projects requiring complex, stereochemically defined molecular architectures.

Basic Information

Product Name	(R)-5-(Diphenylamino)-5-Oxopent-3-Yn-2-Yl Acetate
CAS No.	899809-73-5
Molecular Formula	C21H19NO3
Molecular Weight	333.38 g/mol
Synonyms	(R)-5-(Diphenylamino)-5-oxopent-3-yn-2-yl acetate; (R)-2-Acetoxy-5-(diphenylamino)-5-oxopent-3-yne; 899809-73-5; (R)-enantiomer of 5-(Diphenylamino)-5-oxopent-3-yn-2-yl acetate; Acetic acid (5R)-5-(diphenylamino)-5-oxo-3-pentyn-2-yl ester; (R)-5-(N,N-Diphenylamino)-5-oxopent-3-yn-2-yl acetate
EINECS	Contact for details

Quality Control

Our (R)-5-(Diphenylamino)-5-Oxopent-3-Yn-2-Yl Acetate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing identity, purity (HPLC), chiral excess, and impurity profiles are provided to guarantee batch-to-batch consistency and traceability.

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). This compound may be light-sensitive and should be handled under an inert atmosphere for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
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.