Abstract
Organometallic C-glycosides containing a chromium carbene functionality have been synthesized from pentacarbonyl[(methoxy)methylcarbene]chromium ( 1) in a TiCl 4-assisted aldol condensation with formyl glycosides. The condensation is trans-selective to give a 54–82% yield of chromium vinylcarbene C-glycosides 5, 6 and 8 which are promising candidates for subsequent Diels–Alder, Michael addition, benzannulation and cyclopropanation reactions.
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