652153-11-2Relevant articles and documents
Enantioselective Synthesis of a Polyfunctionalized Tetracycle Related to Pentacyclic Triterpenes by Using an Anionic Cycloaddition Reaction
Rouillard, Alain,Bonin, Marc-Andre,Deslongchamps, Pierre
, p. 3730 - 3739 (2007/10/03)
Herein we report a convergent enantioselective synthesis of a polyfunctionalized ABCD tetracycle by using an anionic cycloaddition reaction between a chiral bicyclic CD Nazarov intermediate (see 6), derived from the (-)-Weiland-Mischer ketone, and an achi