Description

4H-1,3-Oxazine, 2-Ethynyl-5,6-Dihydro-4,4,6-Trimethyl- (9Ci) is a specialized heterocyclic building block featuring a reactive ethynyl group. This compound is valued for its role as a versatile synthon in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly for constructing nitrogen-oxygen heterocyclic cores prevalent in bioactive molecules.
• Agrochemical Research: Used in developing new pesticides and herbicides, where the oxazine scaffold can contribute to unique modes of action.
• Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers and resins with tailored thermal or optical properties.
• Chemical Synthesis: Employed in academic and industrial R&D for [3+2] cycloaddition (click chemistry) and other reactions leveraging the alkyne functionality.
• Ligand & Catalyst Development: Utilized to create novel chelating ligands or organocatalysts for asymmetric synthesis.

Basic Information

Product Name	4H-1,3-Oxazine, 2-Ethynyl-5,6-Dihydro-4,4,6-Trimethyl- (9Ci)
CAS No.	41077-65-0
Molecular Formula	C9H13NO
Molecular Weight	151.21 g/mol
Synonyms	2-Ethynyl-4,4,6-trimethyl-5,6-dihydro-4H-1,3-oxazine; 2-Ethynyl-4,4,6-trimethyl-5,6-dihydro-1,3-oxazine; 4H-1,3-Oxazine, 2-ethynyl-5,6-dihydro-4,4,6-trimethyl-; 2-Ethynyl-4,4,6-trimethyl-4,5-dihydro-1,3-oxazine; 2-Ethynyl-4,4,6-trimethyldihydro-1,3-oxazine
EINECS	Contact for details

Quality Control

Our 4H-1,3-Oxazine, 2-Ethynyl-5,6-Dihydro-4,4,6-Trimethyl- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical characterization, including HPLC for purity and NMR/IR for structural confirmation, to ensure consistency and reliability for your synthetic workflows. Certificates of Analysis (COA) with detailed specifications are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider an inert atmosphere to preserve stability.

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.