Description

1,4-Dibenzyl-6-Phenylimino-7-Thia-1,4-Diaza-Spiro[4.4]Non-8-Ene-8,9-Dicarboxylic Acid Dimethyl Ester is a sophisticated spirocyclic heterocyclic compound that serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis. Its unique molecular architecture, featuring a spiro center and multiple functional groups, makes it invaluable for constructing complex molecules with specific biological activities. This high-purity intermediate is primarily sought by pharmaceutical R&D and fine chemical synthesis teams for developing novel active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing complex heterocyclic pharmacophores.
• Organic Synthesis Building Block: Utilized in the construction of complex spirocyclic and fused-ring systems for medicinal chemistry and material science research.
• Agrochemical Research: Serves as a starting material for developing new active ingredients with potential herbicidal or pesticidal properties.
• Ligand and Catalyst Development: The nitrogen and sulfur atoms within its structure can be exploited to create novel chelating ligands for catalytic applications.
• Academic and R&D Laboratories: Used in methodological studies and for exploring new synthetic pathways involving imino and ester functionalities.

Basic Information

Product Name	1,4-Dibenzyl-6-Phenylimino-7-Thia-1,4-Diaza-Spiro[4.4]Non-8-Ene-8,9-Dicarboxylic Acid Dimethyl Ester
CAS No.	885722-25-8
Molecular Formula	C32H31N3O4S
Molecular Weight	553.68 g/mol
Synonyms	Dimethyl 1,4-Dibenzyl-6-Phenylimino-7-Thia-1,4-Diaza-Spiro[4.4]Non-8-Ene-8,9-Dicarboxylate; 1,4-Diaza-7-thia-spiro[4.4]non-8-ene-8,9-dicarboxylic Acid, 1,4-Dibenzyl-6-(Phenylimino)-, Dimethyl Ester; Spiro[4.4]non-8-ene-8,9-dicarboxylic Acid Derivative; DBPTD-SN-88; CAS 885722-25-8
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to stringent cGMP and ISO 9001 quality management standards to ensure batch-to-batch consistency and traceability. Every lot undergoes comprehensive analytical characterization, including HPLC for purity and NMR/IR for structural confirmation. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting purity, identity, and impurity profiles to support your regulatory and R&D documentation.

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). The compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere if necessary for long-term storage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.