Title
Synthesis of CGlycosides via RambergBacklund Reaction: Synthesis of CGlycosides KRN7000,Used
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A novel methodology has been described, employing the RambergBcklund rearrangement to synthesize Cglycosides. The RambergBcklund sequence to provide Cglycosides includes three intermediates: thioglycoside, sulfonyl glycoside, and exoglycal. Thioglycosides can be easily made using different methods. Sulfone formation was routine with MMPP. The onepot RambergBcklund reaction of sulfone was done using C2Br2F4 , tBuOH and KOH/Al2O3 under reflux to afford an exoglycal intermediate. The beltaCglycosides can be made by hydrogenolysis of exoglycals using H2 and Pd/C. The alphaCglycosides can be made stereoselectively from exoglycals via intramolecular ionic hydrogenation as the key step. Some of the C glycerolipids that have been prepared exhibit strikingly similar in vitro antiproliferative effects to those of Oglycoside analogs.
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We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
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We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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