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Chemo- and stereoselective functionalization of 7-oxabicyclo[2.2.1] hept-5-en-2-one derivatives with the system trichloroacetyl chloride/Zn(Cu)1

✍ Scribed by Odon Arjona; Roberto Fernandez De La Pradilla; Sonia Perez; Joaquin Plumet

Publisher
Elsevier Science
Year
1988
Tongue
French
Weight
443 KB
Volume
44
Category
Article
ISSN
0040-4020

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The endocyclic double bond C(2),C( ) in 5,6-dimethylidene-7-oxabicyclo[2.2.1]hept-2-ene (1) can be coordinated selectively on its exo-face before complexation of the exocyclic s-cis-butadiene moiety. Irradiation of Ru,(CO),, or Os,(CO),, in the presence of 1 gave tetracarbonyl[(lR,2R,3S,4S)-2,3-~-(5