Abstract
Reactions of the title carbene complexes, both the neutral methoxy (1a,b) and anionic “lithoxy” (1c) versions, with α,ω-enynes 2 give the bicyclic cyclopropanes 3. The anion also reacts with 1-hexyne to give the butenolide 5 and with acrylate esters to give the γ-keto esters 8.
Original language | English (US) |
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Pages (from-to) | 3014-3015 |
Number of pages | 2 |
Journal | Organometallics |
Volume | 9 |
Issue number | 12 |
DOIs | |
State | Published - Jan 1 1990 |