Description

(E)-3-((Dimethylamino)Methylene)Dihydro-2H-Pyran-4(3H)-One is a versatile chemical intermediate characterized by its unique enaminone structure, which is pivotal for constructing complex heterocyclic frameworks. This compound matters because it serves as a critical building block in the synthesis of pharmaceuticals and agrochemicals, enabling the introduction of functionalized pyran and piperidine motifs. Industrial and academic researchers in fine chemical synthesis, particularly those developing active pharmaceutical ingredients (APIs) and novel crop protection agents, rely on its consistent quality and reactivity.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules, particularly those containing nitrogen and oxygen heterocycles.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides requiring specific pyran-based scaffolds.
• Fine Chemical Research: Serves as a versatile enaminone building block for constructing novel chemical libraries in medicinal chemistry and material science.
• Academic & R&D Laboratories: Employed in methodological studies and the development of new synthetic routes for heterocyclic compounds.
• Specialty Chemical Manufacturing: Intermediate for producing dyes, pigments, and other functional materials where its reactive methylene group is utilized.

Basic Information

Product Name	(E)-3-((Dimethylamino)Methylene)Dihydro-2H-Pyran-4(3H)-One
CAS No.	95502-31-1
Molecular Formula	C8H13NO2
Molecular Weight	155.19 g/mol
Synonyms	4-Oxo-4H-pyran-3-carbaldehyde dimethylhydrazone; 3-[(Dimethylamino)methylene]-3,4-dihydro-2H-pyran-4-one; (E)-3-(Dimethylaminomethylene)dihydro-2H-pyran-4(3H)-one; 3-(Dimethylaminomethylene)-3,4-dihydro-2H-pyran-4-one; 3-(N,N-Dimethylaminomethylene)-3,4-dihydro-2H-pyran-4-one; (E)-3-((Dimethylamino)methylene)-3,4-dihydro-2H-pyran-4-one; Enaminone DHPO; DMAP Intermediate
EINECS	Contact for details

Quality Control

Our production of (E)-3-((Dimethylamino)Methylene)Dihydro-2H-Pyran-4(3H)-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability for your synthetic processes. All materials undergo rigorous analytical testing, including HPLC, GC, and NMR, to confirm identity, purity, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment, and we support compliance with cGMP and ISO 9001 standards for industrial-scale supply.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The compound may be hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed under an inert atmosphere if specified. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 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.