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Synthetic approach to stemodin ring system

✍ Scribed by Probir K. Ghosal; Debabrata Mukherjee; Phanindra C. Dutta


Book ID
108384601
Publisher
Elsevier Science
Year
1976
Tongue
French
Weight
141 KB
Volume
17
Category
Article
ISSN
0040-4039

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A new synthetic approach to the rotenoid
✍ Steven M.F. Lai; Jack J.A. Orchison; Donald A. Whiting πŸ“‚ Article πŸ“… 1989 πŸ› Elsevier Science 🌐 French βš– 701 KB

The (+)-cis-chromanochromanones (2) and (3), representing the basic ringsystem of the natural insecticide rotenone, have been synthesised by a general procedure; the key step is 4-aroylation of the 4-phenyl-sulphonyl)chromans (7; Z=S02Ph). Rotenone (1) is the principle insecticide of Derris resin, a