126398-69-4Relevant academic research and scientific papers
A NEW SYNTHETIC APPROACH TO THE ROTENOID RING SYSTEM
Lai, Steven M. F.,Orchison, Jack J. A.,Whiting, Donald A.
, p. 5895 - 5906 (1989)
The (+)-cis-chromanochromanones (2) and (3), respresenting the basic ring system 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=SO2Ph).
