Description

3,3'-Diphenylspiro[1,4,2-Dioxazole-5,5'(4'H)-Naphth[2,1-D]Isoxazol]-4'-One is a specialized spirocyclic heterocyclic compound featuring a unique fused isoxazole-dioxazole-naphthalene core structure. This complex molecular architecture makes it a valuable advanced intermediate or building block in sophisticated organic synthesis. It is primarily sought after by pharmaceutical R&D and fine chemical manufacturers for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting complex biological pathways.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, or insecticides with unique modes of action.
• Material Science: Acts as a building block for creating specialty polymers, liquid crystals, or organic electronic materials due to its rigid, conjugated structure.
• Dye & Pigment Synthesis: Employed in the production of high-performance, light-fast organic colorants and fluorescent markers.
• Academic & Contract Research: Utilized in university and CRO laboratories for methodological studies in heterocyclic and spiro compound chemistry.
• Photoinitiator Development: Potential application in formulating advanced photoinitiator systems for UV-curable coatings and inks.

Basic Information

Product Name	3,3'-Diphenylspiro[1,4,2-Dioxazole-5,5'(4'H)-Naphth[2,1-D]Isoxazol]-4'-One
CAS No.	23767-17-1
Molecular Formula	C26H16N2O3
Molecular Weight	404.42 g/mol
Synonyms	3,3'-Diphenylspiro[1,4,2-dioxazole-5,5'(4'H)-naphth[2,1-d]isoxazol]-4'-one; Spiro[1,4,2-dioxazole-5,5'-naphth[2,1-d]isoxazole]-4'-one, 3,3'-diphenyl-; 23767-17-1; 3,3-Diphenylspiro[1,4,2-dioxazole-5,5'(4'H)-naphth[2,1-d]isoxazol]-4'-one; Spiro(1,4,2-dioxazole-5,5'-naphth(2,1-d)isoxazole)-4'-one, 3,3'-diphenyl-; NSC 339063
EINECS	Contact for details

Quality Control

Our production of 3,3'-Diphenylspiro[1,4,2-Dioxazole-5,5'(4'H)-Naphth[2,1-D]Isoxazol]-4'-One adheres to strict in-process controls to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality and regulatory requirements.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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