Spiro Ring

Your Professional Spiro Ring Supplier！

We are Aeechem, a global leader in the research, development, and production of high-value pharmaceutical intermediates and building blocks. Headquartered in Nanjing, China, with a dedicated R&D center and GMP-compliant manufacturing in India, we combine custom synthesis expertise with scalable production to empower innovative biotech and pharma companies worldwide.

Why Choose Us

Manufacturing Capability

Aeechem supports the full development process from laboratory research to commercial-scale production.From milligram samples for early-stage research to multi-ton commercial production, our integrated, GMP-compliant facilities ensure seamless scale-up and consistent quality.

Reliable Supply

The importance of timely delivery and clear communication in pharmaceutical sourcing. By combining responsive technical support with flexible production capacity, Aeechem serves customers across global markets with dependable project execution and long-term supply stability.

Advanced technology

Aeechem focuses on high-value intermediates and complex building blocks for innovative drug development. Our continuous investment in research and proprietary molecules allows customers to access a growing portfolio of advanced compounds for both R&D and commercial needs.

Common types

We offers the following product introduce：

Benzyl 1-oxa-6-azaspiro[2.5]octane-6-carboxylate

Methyl 1,4-dioxaspiro[4.5]decane-8-carboxylate

Tert-Butyl 1-oxa-4,9-diazaspiro[5.5]undecane-9-carboxylate

Methyl 1,4-dioxaspiro[4.5]decane-8-carboxylate
Methyl 1,4-dioxaspiro[4.5]decane-8-carboxylate is a spirocyclic compound featuring a cyclohexane ring and a 1,3-dioxolane ring joined through a spiro junction at a quaternary carbon atom. This architecture creates a rigid, three-dimensional framework with defined spatial orientation of the substituents. The 1,3-dioxolane ring serves as a protected ketone equivalent, shielding the carbonyl from premature reactions while remaining readily cleavable under mild acidic conditions to regenerate the parent ketone functionality.

Benzyl 1-oxa-6-azaspiro[2.5]octane-6-carboxylate
Benzyl 1-oxa-6-azaspiro[2.5]octane-6-carboxylate is a spirocyclic compound featuring an oxirane (epoxide) ring fused through a spiro junction to a piperidine ring, with the piperidine nitrogen protected as a benzyl carbamate. This unique architecture creates a rigid, three-dimensional scaffold where the epoxide ring introduces significant ring strain and electrophilic character, while the piperidine ring provides a basic amine masked as a carbamate.

Tert-Butyl 1-oxa-4,9-diazaspiro[5.5]undecane-9-carboxylate
Tert-Butyl 1-oxa-4,9-diazaspiro[5.5]undecane-9-carboxylate features a spirocyclic architecture where a piperidine ring and a morpholine-like ring share a common quaternary carbon center. The 1-oxa-4,9-diazaspiro[5.5]undecane core incorporates both oxygen and nitrogen heteroatoms within a rigid, three-dimensional framework. This spirocyclic arrangement imposes conformational constraints that can be exploited to orient substituents in specific spatial arrangements for optimal interaction with biological targets.

Spiro[2.2]pentane-1-carboxylic Acid
Spiro[2.2]pentane-2-carboxylic acid(CAS No.17202-64-1)is a highly strained,symmetric carbocyclic system consisting of two fused cyclopropane rings sharing a single quaternary carbon(the spiro center).A carboxylic acid group is attached to one of the cyclopropane rings.This unique,paddle-shaped structure with high angle strain is of significant interest in physical organic and materials chemistry.

Product Specification

We offers the following product specifications：

Product Name	Spiro[2.2]pentane-1-carboxylic acid
CAS Number	17202-64-1
Molecular Formula	C6H8O2
Molecular Weight	112.13
SMILES Code	OC(=O)C1CC11CC1
MDL No.	MFCD04038995
Pubchem ID	4379475
InChI Key	WAHIIXTYAWFIFE-UHFFFAOYSA-N
Product Name	Methyl 1,4-dioxaspiro[4.5]decane-8-carboxylate
CAS Number	26845-47-6
Molecular Formula	C10H16O4
Molecular Weight	200.23
SMILES Code	COC(=O)C1CCC2(CC1)OCCO2
MDL No.	MFCD13195278

Application

Strain-Release Reagent in Synthesis
The high ring strain(~27 kcal/mol per cyclopropane)drives unique reactions.It is used as a quadricyclane-like dipolarophile in strain-promoted azide-alkyne cycloadditions(SPAAC)without catalysts,enabling ultrafast bioconjugation and polymer functionalization under physiological conditions for labeling live cells.

High-Energy-Density Fuel Additive
Due to its strained structure and high heat of combustion,derivatives of this compound are investigated as energetic density enhancers in advanced hydrocarbon-based jet fuels.Its synthesis from renewable feedstocks is a key research area in sustainable aerospace propulsion.

Monomer for High-Strength,Lightweight Polyamides
Polymerized with diamines to yield polyamides where the spiro[2.2]pentane unit acts as a rigid,kinked linker.These polymers exhibit exceptional specific strength(strength-to-weight ratio),low density,and high thermal stability,targeting applications in aerospace composites and ballistic protection.

Probe for Studying Through-Space Electronic Effects
The proximity of the carboxylic acid to the highly strained,bent cyclopropane C-C bonds creates unique through-space electronic interactions.This compound is used in spectroscopic and computational studies to understand and quantify hyperconjugation andσ-πinteractions in distorted molecular frameworks.

Certifications

Package & Delivery

Package: Standard export package or Custom
Delivery: By air express, by sea

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FAQ

Q: What types of spiro ring compounds does Aeechem provide?

A: Aeechem supplies a variety of spirocyclic intermediates and building blocks, including nitrogen-containing, oxygen-containing, and fused spiro ring systems for pharmaceutical and medicinal chemistry applications.

Q: Why are spiro ring compounds important in drug discovery?

A: Spirocyclic structures are widely used in modern medicinal chemistry because they can improve molecular three-dimensionality, selectivity, solubility, and pharmacokinetic properties.

Q: Can you provide custom spirocyclic compounds?

A: Yes. We support custom synthesis of spiro ring compounds based on customer-defined structures and project requirements.

Q: Do you support both research and commercial-scale production?

A: Yes. We provide flexible supply from milligram quantities for discovery research to kilogram and commercial-scale manufacturing.

Q: How do you ensure the quality of spiro ring intermediates?

A: Products are manufactured and tested under controlled quality systems using analytical methods such as HPLC, NMR, GC, and LC-MS to ensure identity, purity, and batch consistency.

Q: Can Aeechem handle complex spirocyclic synthesis?

A: Yes. Our chemistry team has experience in multi-step synthesis, chiral chemistry, heterocyclic chemistry, and structurally complex spirocyclic scaffolds.

Q: Are your spiro ring compounds suitable for pharmaceutical applications?

A: Yes. Our spirocyclic intermediates are developed for pharmaceutical and biotech applications, including medicinal chemistry and API development programs.

Q: What industries commonly use your spiro ring products?

A: Our products are widely used by pharmaceutical companies, biotech firms, CROs, CDMOs, and academic research institutions.

Q: Can you support chiral spirocyclic intermediates?

A: Yes. We have experience developing and manufacturing chiral spiro compounds with controlled stereochemistry for advanced pharmaceutical applications.

Q: Do you provide analytical documentation with shipments?

A: Yes. Products can be supplied with COA, HPLC, NMR, MS, and additional technical documentation based on customer requirements.

Q: Can you support process optimization and scale-up?

A: Yes. Our R&D and manufacturing teams work together to optimize synthetic routes, improve process efficiency, and support reliable scale-up production.

Q: Are confidential development projects supported?

A: Yes. We maintain strict confidentiality standards and support proprietary pharmaceutical projects under NDA agreements.

Q: How do you support long-term supply requirements?

A: With integrated R&D and GMP-compliant manufacturing capabilities, Aeechem supports stable long-term supply and consistent product quality for ongoing projects.

Q: What advantages does Aeechem offer in spirocyclic chemistry?

A: Aeechem combines expertise in complex heterocyclic and spirocyclic synthesis with scalable manufacturing capabilities to support demanding pharmaceutical development programs.

Q: How can I request a quotation or technical discussion?

A: Customers can contact our sales or technical team with target structures, purity requirements, quantities, and project details for evaluation and quotation support.

As one of the leading spiro ring manufacturers and suppliers in China, we also support customized service. Please feel free to buy high quality spiro ring made in China here from our factory. For quotation and free sample, contact us now.

1312784-19-2, 1 7 Diazaspiro 3 5 nonane Dihydrochloride, Spiro 2 2 pentane 1 carboxylic Acid