At. Rowland et al., THE CORRECT STEREOCHEMISTRY OF DIMETHYL 2,6-DIPHENYL-4-OXO-CYCLOHEXANE-1,1-DICARBOXYLATE, Tetrahedron letters, 38(8), 1997, pp. 1287-1288
Conflicting literature reports dealing with the stereochemistry of the
cyclohexanone formed from the Michael reaction of dibenzalacetone wit
h dimethyl malonate have been resolved by X-ray structure analysis. Th
e compound is the trans isomer with a twist conformation. (C) 1997 Els
evier Science Ltd.