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Description
TCI's (1S,2S)-(-)-1,2-Diphenylethylenediamine is a vicinal chiral diamine and one of the best-known building blocks in asymmetric synthesis. The molecule carries two adjacent stereogenic centres, each bearing a phenyl group and an amino group, which together form a rigid framework with a clearly defined chiral environment. In the laboratory, this compound is used to prepare chiral ligands, catalysts, and stereochemical auxiliaries that selectively direct the formation of a single product enantiomer, making it important for medicinal chemistry research, catalysis, and the synthesis of enantiopure active compounds.
The characteristic that makes it a preferred choice is its ability to act as a bidentate ligand through its two nitrogen atoms while simultaneously providing directed steric hindrance from the two phenyl groups. This combination creates an effective chiral environment around a metal centre or reaction centre, so that enantiomeric selectivity can be achieved reliably. The amino groups are also readily modified into sulfonamides, thioureas, imines, or amides, opening the way to many families of catalysts, including organocatalysts. Its solid form makes accurate weighing straightforward, and the clearly specified (1S,2S) configuration supports reproducible stereochemical outcomes.
In Indonesian laboratories, this chiral diamine is typically used in university and institutional research groups working on catalysis, medicinal chemistry, and natural product synthesis, as well as in analytical and methodology development work where a defined single enantiomer is required. It is generally handled at the small-scale, bench-level quantities characteristic of exploratory synthesis and ligand screening, where a well-characterised chiral building block from a recognised brand allows results to be compared against published procedures.
Laboratory Applications
- Chiral ligand preparation — the two nitrogen donor atoms allow straightforward construction of bidentate ligands whose defined chiral pocket transfers stereochemical information to a coordinated metal centre.
- Asymmetric catalyst synthesis — the rigid vicinal diamine backbone combined with directed phenyl steric bulk gives catalysts that favour formation of one enantiomer over the other.
- Organocatalyst development — the amino groups convert cleanly into thiourea, sulfonamide, or amide derivatives, which are among the most widely used metal-free asymmetric catalyst families.
- Stereochemical auxiliary work — the compound serves as a chiral auxiliary that temporarily controls the stereochemical course of a reaction before being removed from the product.
- Enantiopure compound synthesis for medicinal chemistry — the clearly specified (1S,2S) configuration supports reproducible preparation of single-enantiomer intermediates for drug discovery research.
Specifications
- Brand: TCI
- CAS number: 29841-69-8
- Product code: D2175
- Category: Chemistry > Asymmetric Synthesis > Chiral Building Blocks
- Physical form: solid
- Pack sizes: available in standard TCI research-scale pack sizes; please confirm the currently available packaging option when ordering
- Storage: store in a tightly closed container in a cool, dry, well-ventilated place away from moisture
Handling and Storage
Store the material in its original tightly closed container in a cool, dry, well-ventilated area, protected from moisture and away from incompatible reagents such as strong acids and strong oxidising agents. Amber glass or the supplier's original packaging is suitable, and containers should be resealed promptly after each use to limit exposure to air and atmospheric humidity. Handle the solid in a fume hood using a laboratory coat, chemical-resistant gloves, and safety glasses, and avoid generating or inhaling dust during weighing and transfer. Use clean, dry spatulas and weighing vessels to preserve material integrity, label all working solutions clearly, and consult the manufacturer's safety data sheet before first use and before disposal of residues.
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