Pierre Vogel
Michael addition of (-)-(1S,5R,6R,7S)-6,7-bis(methoxymethoxy)-2,8-dioxabicyclo[3.2.1]-octan- 3-one lithium enolate to (+)-(1R,4S,5S,6S)-5-benzeneselenyl-6-chloro-3-methylidene-7-oxabicyclo[2 .2.1]heptan-2-one gives a single adduct with highstereoselectivit ...
1996