Description

2-Amino-4,7-dihydro-5H-thieno[2,3-c]thiopyran-3-carboxylic acid tert-butyl ester is a sophisticated heterocyclic building block featuring a fused thienothiopyran core. This compound is of significant value in pharmaceutical research and development as a key intermediate for synthesizing novel active pharmaceutical ingredients (APIs). It is primarily sought after by R&D chemists and process development scientists working in medicinal chemistry, particularly for projects targeting central nervous system (CNS) disorders and other therapeutic areas.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the multi-step synthesis of complex drug candidates, especially those with sulfur-containing heterocycles.
• Medicinal Chemistry Research: Used as a versatile scaffold for constructing compound libraries aimed at high-throughput screening and structure-activity relationship (SAR) studies.
• Process Chemistry Development: Employed in the scale-up and optimization of synthetic routes for potential new chemical entities (NCEs).
• CNS Drug Discovery: Its structural features make it particularly relevant for research into neurological and psychiatric conditions.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations specializing in custom synthesis and development services for the pharmaceutical industry.
• Academic Research: Utilized in university and institutional labs for advanced studies in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	2-Amino-4,7-dihydro-5H-thieno[2,3-c]thiopyran-3-carboxylic acid tert-butyl ester
CAS No.	872531-32-3
Molecular Formula	C12H17NO2S2
Molecular Weight	271.40 g/mol
Synonyms	tert-Butyl 2-amino-4,7-dihydro-5H-thieno[2,3-c]thiopyran-3-carboxylate; 2-Amino-4,7-dihydro-5H-thieno[2,3-c]thiopyran-3-carboxylic acid tert-butyl ester; 872531-32-3; 5H-Thieno[2,3-c]thiopyran-3-carboxylic acid, 2-amino-4,7-dihydro-, 1,1-dimethylethyl ester; tert-Butyl 2-amino-5,7-dihydro-4H-thieno[2,3-c]thiopyran-3-carboxylate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. We employ advanced analytical techniques including HPLC, GC, NMR, and MS to verify identity, purity, and consistency. Certificates of Analysis (COA) are available upon request, detailing batch-specific results. Our quality management system supports the stringent requirements of pharmaceutical R&D and cGMP environments where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive; prolonged exposure should be avoided.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (HPLC/MS)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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