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Double stereodifferentiation in the Lewis acid-promoted addition of chiral (E)-crotylsilanes with (S)-2-(benzyloxy)propanal. Effect of Lewis acid on reaction diastereoselection

โœ Scribed by Panek, James S.; Beresis, Richard

Book ID
126258522
Publisher
American Chemical Society
Year
1993
Tongue
English
Weight
353 KB
Volume
58
Category
Article
ISSN
0022-3263

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๐Ÿ“œ SIMILAR VOLUMES

Double stereodifferentiation in the Lewi
Double stereodifferentiation in the Lewis acid promoted C-glycosidation of activated glycals with chiral (E)-crotylsilanes
โœ James S. Panek; Jennifer V. Schaus ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 653 KB

Lewis acid promoted C-glycosidation reactions of activated glycals with chiral (E)-crotylsilanes were found to be highly regio-and diastereoselective. The reactions of chiral silane reagents proceed with the formation of a new C-C bond at C6 of the pyran ring with concomitant migration of C5-C6 doub

ChemInform Abstract: Double Stereodiffer
ChemInform Abstract: Double Stereodifferentiation in the Lewis Acid Promoted C- Glycosidation of Activated Glycals with Chiral (E)-Crotylsilanes.
โœ J. S. PANEK; J. V. SCHAUS ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 31 KB ๐Ÿ‘ 2 views

Double Stereodifferentiation in the Lewis Acid Promoted C-Glycosidation of Activated Glycals with Chiral (E)-Crotylsilanes. -It is shown that the pairwise combination of the glycals (I) and (V) with the chiral silanes (II) affords high levels of selectivity resulting from the existence of strong st