Synthesis of densely functionalised C-glycosides by a tandem oxy Michael addition–Wittig olefination pathway
摘要:
Wittig olefination of 5,6-dideoxy-5,6-anhydro-6-nitro-D-glucofuranose (5) triggered a concomitant cyclisation via oxy Michael addition of the C2-hydroxyl group resulting in the formation of C-vinyl glycosides with Z-olefinic geometry. (C) 2009 Elsevier Ltd. All rights reserved.
Synthesis of densely functionalised C-glycosides by a tandem oxy Michael addition–Wittig olefination pathway
摘要:
Wittig olefination of 5,6-dideoxy-5,6-anhydro-6-nitro-D-glucofuranose (5) triggered a concomitant cyclisation via oxy Michael addition of the C2-hydroxyl group resulting in the formation of C-vinyl glycosides with Z-olefinic geometry. (C) 2009 Elsevier Ltd. All rights reserved.