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Short synthesis of c-aryl-glucopyranosides of the papulacandin type

✍ Scribed by Richard R. Schmidt(rk); Wendelin Frick

Publisher: Elsevier Science
Year: 1988
Tongue: French
Weight: 586 KB
Volume: 44
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(01)86084-1

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✦ Synopsis

The aryllithlum species Sa-A and Sb-A generated via btomias7llthiua exchange reactlon,afford#uith the per-Obenzylated D-glucose 6 the adductm 9a,b; subsequent oxidation furnisbrd the correr$%dlnq ketones lba,b. Caapound 0 also obtained from Sa-A and metha + wall D-glucona 8 8. Hydroqenolytic debenrylat% an treatment with acetic l nhydrlze provldod directly the tricycllc splroketals 11 and l2, found In the papulacatiins. C-Arylqlycosldes are wide-spread in Mature. ' They are of lntereet as natural dyestuffs 2 and as compounds having important

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