Product Overview
- Dibenzo[b,f]Thiazepine-11-[10H]-Piperazine, known globally across international pharmaceutical compounding and generic validation circles as Quetiapine Core or Quetiapine Impurity B, is an exceptionally critical advanced tricyclic heterocyclic intermediate molecule. Structurally, it conjugates a piperazine nitrogen ring directly onto position-11 of a fused dibenzothiazepine tricyclic network. ProCorBay International supplies highly refined, technical-grade Dibenzo[b,f]Thiazepine-11-[10H]-Piperazine solid blocks to global active pharmaceutical ingredient factories, contract research plants, and custom neurological therapeutic developers.
- This compound is manufactured via a highly complex multi-step organic synthesis pathway, starting from the condensation of diphenyl sulfide precursors to build the basic dibenzothiazepine ring, followed by chlorination using phosphorus oxychloride (POCl₃) and subsequent direct amine-coupling with anhydrous piperazine loops. ProCorBay monitors manufacturing lines strictly to isolate highly consistent crystalline granular patterns featuring ultra-low structural isomer variations and minimal trace processing catalyst values.
- Within the life sciences and central nervous system (CNS) health formulation spaces, this tricyclic building block represents an indispensable industrial cornerstone. It acts as the primary regulatory structural predecessor and certified analytical reference standard for manufacturing the blockbuster atypical antipsychotic medication Quetiapine Fumarate. The exposed secondary amine node on the piperazine block provides an exceptional reactive center for executing final ethoxyethanol alkylation loops. ProCorBay functions as a reliable bulk partner, delivering complete safety dossiers and stable continuous supply volumes to support global manufacturing streams.
Applications
- API Intermediate Synthesis: Crucial advanced core building block utilized to manufacture generic Quetiapine lines and neurological therapeutic derivatives.
- Analytical Reference Standards: Key tracking compound used for high-performance liquid chromatography (HPLC) method validation and impurity profiling.
Benefits
- Targeted Tricyclic Scaffold: Provides the exact chemical heterocyclic core required for highly step-efficient antipsychotic drug compounding.
- High Chemical Assay: ≥ 99.0% high assay content minimizes secondary reaction side-products during transformation tracking.
- Low Volatile Residues: Deep distillation and multiple washing cycles eliminate free piperazine traces completely.
- Optimized Particle Distribution: Smooth granular crystalline behavior ensures highly uniform dissolution characteristics inside factory chemical reactors.
- Comprehensive Regulatory Files: Backed by deep analytical validation records, including verified NMR maps, to streamline country-specific method validations.
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