Description

1,7-Dioxaspiro5.5Undecan-4-Ol, 5-(Phenylmethoxy)-, (4.Alpha.,5.Alpha.,6.Beta.)- is a high-purity, synthetically derived spirocyclic compound with a defined stereochemistry. This specialized intermediate is valued for its unique molecular architecture, which makes it a critical building block in advanced organic synthesis. It is primarily sought after by research institutions and pharmaceutical companies for the development of novel active pharmaceutical ingredients (APIs) and complex fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the multi-step synthesis of potential drug candidates, particularly in medicinal chemistry research.
• Advanced Organic Synthesis: Used as a sophisticated building block for constructing complex spirocyclic and heterocyclic frameworks in academic and industrial R&D.
• Flavor & Fragrance Precursor: Acts as a potential intermediate for creating novel aroma chemicals with unique olfactory properties due to its complex oxygenated structure.
• Material Science Research: Investigated for incorporation into specialty polymers or ligands for catalytic systems, leveraging its rigid, three-dimensional shape.
• Agrochemical Development: Explored as an intermediate in the synthesis of new generation, structurally complex crop protection agents.

Basic Information

Product Name	1,7-Dioxaspiro5.5Undecan-4-Ol, 5-(Phenylmethoxy)-, (4.Alpha.,5.Alpha.,6.Beta.)-
CAS No.	191659-90-2
Molecular Formula	C17H22O4
Molecular Weight	290.36 g/mol
Synonyms	(4α,5α,6β)-5-(Benzyloxy)-1,7-dioxaspiro[5.5]undecan-4-ol; 5-(Phenylmethoxy)-1,7-dioxaspiro[5.5]undecan-4-ol (4α,5α,6β)-; 5-(Benzyloxy)-1,7-dioxaspiro[5.5]undecan-4-ol; Spirocyclic benzyloxy alcohol intermediate; CAS 191659-90-2
EINECS	Contact for details

Quality Control

Our 1,7-Dioxaspiro5.5Undecan-4-Ol, 5-(Phenylmethoxy)-, (4.Alpha.,5.Alpha.,6.Beta.)- is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC, GC, NMR, and chiral analysis, to ensure identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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