Ontology highlight
ABSTRACT:
SUBMITTER: Koo B
PROVIDER: S-EPMC1388186 | biostudies-literature | 2005 Aug
REPOSITORIES: biostudies-literature
Koo Bonsuk B McDonald Frank E FE
Organic letters 20050801 17
Tungsten-catalyzed cycloisomerization of alkynyl alcohols including 8 provides only the endocyclic enol ether (11) as a key intermediate for the branched C-glycoside substructure (2) of altromycin B. A sequence of Stille cross-coupling reaction and regio- and stereoselective functional group transformations affords each C13-diastereomer of the branched C-arylglycoside (2a and 2b). [reaction: see text] ...[more]