PS-DEAM is a polystyrene-bound diethanolamine, which is a resin-bound equivalent of the tridentate (N, O, O) N-alkyldiethanolamine ligand. PS-DEAM is an effective scavenger for a variety of oxophilic organometallic and inorganic complexes. The resin can be used to quench reactions and remove metallic reagents, catalysts or byproducts, allowing the purified product to be isolated by filtration. Boronic acids are scavenged by PS-DEAM. This has been exploited in the purification of Suzuki reactions through the removal of excess boronic acid and coupling byproducts.
Part No. | Description | Pack Size | List Price | |
---|---|---|---|---|
800433 | Biotage® PS-DEAM, 1 Kg | 1 | Add to quote/cart | |
800430 | Biotage® PS-DEAM, 10 g | 1 | 91 USD | Add to quote/cart |
800432 | Biotage® PS-DEAM, 100 g | 1 | 587 USD | Add to quote/cart |
800431 | Biotage® PS-DEAM, 25 g | 1 | 189 USD | Add to quote/cart |
For over 15 years Biotage has been guiding and leading the industry in supported reagents and scavengers.
More effective than traditional methods, polymer supported chemistry has been used widely in applications for over fifty years. Biotage supported reagents and scavengers are based on functionalized polystyrene or silica polymers and are 100% insoluble, therefore can be added to reactions and completely removed afterwards.
Key supplier to industry for over 15 years, used in numerous patents and cGMP process campaigns
From grams in research through to multi kilogram quantities in production campaigns. Biotage®
PS-DEAM is effective at removing common Lewis acids, including Ti(IV) and Sn(IV) complexes. PS-DEAM has been found to scavenge titanium(IV) chloride from Sakurai and related reactions.
Titanium(IV) chloride and its alkoxide derivatives are widely used as Lewis acid catalysts in a number of important organic reactions. The work up of these reactions is an aqueous quench, forming a very flocculent white TiO2 precipitate, which can be problematic. The application of PS-DEAM, avoids the need to quench with water, resulting in metal free products, without troublesome work up procedures.
Inert, specifically-reactive and deployed to achieve a specific purpose. With lot control, QA / QC documentation, SDS, ISO 9001 / 14001 registration, BSE / TSE statement, shelf-life statement, these resins also support the audit trail.
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