Allyl C-glycosidations of the totally unprotected glycals, L-rhamnal (1), D-glucal (2), D-galactal (3) and D-fucal (4), with allyltrimethylsilane (5) using TMSOTf proceeded much more effectively than those of the corresponding acetylated glycals 10∼13 to furnish the unprotected and 2,3-unsaturated allyl α-C-glycosides 6∼9 in high yields, respectively.
|Number of pages||4|
|Publication status||Published - 1994 Aug 1|
ASJC Scopus subject areas
- Drug Discovery
- Organic Chemistry