3-Amino-1,2,3,4-tetrahydrocarbazole
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Chemical Product Description & Applications
3-Amino-1,2,3,4-tetrahydrocarbazole is an aminated fused-indole intermediate with two chemically distinct nitrogen sites. The exocyclic primary amine supports acylation and sulfonylation, while the indole nitrogen allows attachment of alkyl or other substituents. The material therefore provides both a ring-system building block and separate handles for installing side chains.
The selected version is racemic rather than an isolated R or S enantiomer. It is relevant before chiral resolution or when racemic analogues are required for synthetic investigation. Resolution can separate the stereochemical component of a process from the subsequent nitrogen-functionalization chemistry. Its acetylated, sulfonylated and N-alkylated derivatives occupy different stages in tetrahydrocarbazole synthesis and should not be treated as identical forms.
Typical Applications
- Chiral aminotetrahydrocarbazole production: Used as a racemic starting material in resolution or selective derivatization sequences that recover an R- or S-configured amine for downstream synthesis.
- Tetrahydrocarbazole analogue libraries: Used to prepare exocyclic amides or sulfonamides and indole-N-substituted derivatives, varying two distinct positions of the same fused-ring framework.
Specifications
| Parameter | Specification | Test Method |
|---|---|---|
| Appearance | Solid; color consistent with the reference sample | Visual inspection |
| Identification | Consistent with authenticated reference | FTIR fingerprint comparison |
| Chromatographic purity | ≥98.0 area% | HPLC with suitable UV or CAD detection |
| Total organic impurities | ≤2.0 area% | HPLC, area normalization |
| Largest individual impurity | ≤1.0 area% | HPLC, area normalization |
| Water | ≤1.0% w/w | Karl Fischer titration |
Specifications describe the standard grade. Tolerance, test method and documentation package are confirmed per order.
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