ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Applications of Cyclic Sulfates of vic-Diols: Synthesis of Episulfides, Olefins, and Thio Sugars.-Various carbohydrates containing the vicdiol moiety are studied with a view to their successive transformation into cyclic sulfites, cyclic sulfates and acyclic sulfate potassium salts and further treatment of the latter to give episulfides, thio sugars and olefins. The highly versatile method is applied to the synthesis of different 4-and 5-thiosugars and their deoxy derivatives. Because the purification of sulfites and potassium salts is not necessary, the episulides and olefins can be prepared in a one-pot procedure. -(CALVO-FLORES, F. G.; GARCIA-MENDOZA, P.; HERNANDEZ-MATEO, F.; ISAC-GARCIA, J.; SANTOYO-GONZALEZ, F.; J.
ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Expeditious Synthesis of Monosulfated Thio-Linked Disaccharides.-In continuation of earlier research a simple methodology to obtain monosulfated thiodisaccharides is developed. The cyclic sulfate substrates are prepared following the procedure of Gao and Sharpless.-(CALVO-ASIN, J. A.; CALVO-FLORES, F. G.; EXPOSITO-LOPEZ, J. M.; HERNANDEZ-MATEO, F.; GARCIA-LOPEZ, J. J.; ISAC-GARCIA, J.; SANTOYO-GONZALEZ, F.; VARGAS-BERENGUEL, A.; J.
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