90122-59-1Relevant articles and documents
INTRAMOLECULAR DOUBLE MICHAEL REACTION. PART II. SYNTHESIS OF ISOATISIRENE TYPE COMPOUND
Ihara, Masataka,Toyota, Masahiro,Fukumoto, Keiichiro,Kametani, Tetsuji
, p. 3235 - 3238 (1984)
Intramolecular double Michael reaction of the α,β-unsaturated enone ester (16), prepared from the dienone (5), stereoselectively gave the tetracyclic product (17), which was converted into the isoatisirene type compound (20).