FORMATION OF NON-RACEMIC E-OLEFINS AND Z-OLEFINS BASED ON DISCRIMINATION OF ENANTIOTOPIC CARBONYL GROUPS IN ALPHA-DIKETONES BY A CHIRAL PHOSPHONATE REAGENT
K. Tanaka et al., FORMATION OF NON-RACEMIC E-OLEFINS AND Z-OLEFINS BASED ON DISCRIMINATION OF ENANTIOTOPIC CARBONYL GROUPS IN ALPHA-DIKETONES BY A CHIRAL PHOSPHONATE REAGENT, Tetrahedron letters, 38(52), 1997, pp. 8943-8946
A chiral HWE reagent reacted with an alternative carbonyl group of mes
o-alpha-diketones of bicyclo[2.2.1] system to give non-racemic (Z)- an
d (E)-olefins, respectively. (C) 1997 Elsevier Science Ltd.