Dess-Martin periodinane (DMP) efficiently mediates the intramolecular cyclization of phenolic azomethines at ambient temperature leading to substituted benzoxazoles and benzothiazoles. Treatment of the reaction mixtures sequentially with Amberlyst A-26 thiosulfate resin and diisopropylaminomethyl resin (PS-DIEA) removes excess reagent and byproducts, to give pure products.
I am planning to use dess-martin periodinane and other hypervalent iodine reagents in reactions. Is there any special work up procedures to remove the byproducts of these reagents.
Dess-Martin Periodinane 1.1Product Identifiers: Product Name: Dess-Martin Periodinane CAS No: 87413-09-0 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses: Laboratory chemicals, Manufacture of substances 1.3 Details of the supplier of the safety data sheet Supplier: Infinium Pharmachem Pvt. Ltd. (AN ISO 9001:2008 CERTIFIEDCO.) 38, G.I.D.C.Diop ligand synthesis essay vehicle pollution essay writing 15 page essay due tomorrow do tomorrow. Racism in modern america essay paleolithic and neolithic essay. Use of internet essay paper. What do you want to be when you grow up essay rouge boeuf mcmasterville critique essay, happy diwali essay in marathi 1 murid 1 sukan english essay help.Mechanism of the Dess-Martin Oxidation. Original publication: J. Org. Chem. 1983, 48, 4155. Chem. Eur. J. 2010, 16, 4091.
Our successful Dess-Martin oxidation of adenosine or its derivatives (e.g., cordycepin) depends on a judicious selection of protecting groups for both the hydroxyl groups and the N6-position of the nucleobase. For example, for the synthesis of 3'-deoxyadenosine 5'-carboxaldehyde intermediate (1), we devised an efficient protection-deprotection strategy as shown in Scheme 1. Adenosine (2) was.Read More
FreeBookSummary.com. An understanding of synthetically useful dehydrating reagents for the reduction of hydroxyl groups, various functional group interconversions and other synthetically useful operations. Oday Alrifai Dehydration of alcohols has been a synthetically useful strategy in order to attain olefins in high yields through the treatment of secondary, tertiary and homoallylic alcohols.Read More
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Importance of alcohol oxidations in pharmaceutical synthesis. The oxidation of alcohols to aldehydes, ketones and carboxylic acids is still a widely used chemical transformation in organic synthesis. Also, remains a dynamic field of research for the establishment of more effective and practical.Read More
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