(S,S)-2,6-Bis(4-isopropyl-2-oxazolin-2-yl)pyridine
(S,S)-2,6-Bis(4-isopropyl-2-oxazolin-2-yl)pyridine (CAS: 118949-61-4) is a pyridine-based chiral ligand with a molecular weight of 301.38 g/mol. This compound is instrumental in asymmetric synthesis, serving as a key chiral building block. Its precise stereochemistry and structural features enable high enantioselectivity in various catalytic transformations, making it valuable in the synthesis of complex molecules.
- IUPAC
- (S,S)-2,2′-(2,6-Pyridinediyl)bis(4-isopropyl-2-oxazoline)
- Synonyms
- 118949-61-4C17H23N3O2(S,S)-2,2′-(2,6-Pyridinediyl)bis(4-isopropyl-2-oxazoline)

Asymmetric Catalysis
This chiral ligand is widely employed in metal-catalyzed asymmetric reactions. It facilitates enantioselective transformations, crucial for producing chiral molecules with high optical purity.
Chiral Auxiliary
As a chiral auxiliary, it can be temporarily incorporated into a substrate to direct stereoselective reactions, after which it is cleaved to yield the desired enantiomerically enriched product.
Synthesis of Fine Chemicals
It serves as a versatile building block in the multi-step synthesis of complex organic molecules and pharmaceutical intermediates where specific stereochemistry is paramount.
| Molecular weight | 301.38 |
|---|---|
| Empirical formula | C17H23N3O2 |
| Assay | ≥99.0% (sum of enantiomers, GC) |
| Optical activity | [α]20/D −121±3°, c = 0.7% in methylene chloride |
| Melting point | 153-157 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (S,S)-2,6-Bis(4-isopropyl-2-oxazolin-2-yl)pyridine used for?
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(S,S)-2,6-Bis(4-isopropyl-2-oxazolin-2-yl)pyridine is primarily used in asymmetric synthesis and catalysis as a chiral ligand and building block for creating enantiomerically pure compounds.
What are the CAS number and molecular formula for this compound?
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The CAS number is 118949-61-4 and the molecular formula is C17H23N3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of ≥99.0% (sum of enantiomers, GC). We do not represent this product as USP, BP, or EP grade.
How should (S,S)-2,6-Bis(4-isopropyl-2-oxazolin-2-yl)pyridine be handled safely?
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This compound is classified with H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Ensure adequate ventilation, wear a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust.
Is this chemical controlled or scheduled?
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The provided safety data does not indicate this compound is controlled or scheduled.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and can arrange for the appropriate packaging and shipping for export of this compound.
How can I request a sample or quote?
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Please contact our sales team through the website or by phone to request a sample or a formal quotation for (S,S)-2,6-Bis(4-isopropyl-2-oxazolin-2-yl)pyridine.
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