Silver salt effects on an asymmetric Heck reaction. Catalytic asymmetric total synthesis of (+)-xestoquinone

Article abstract of DOI:10.1016/S0040-4020(98)00797-2

An enantioselective total synthesis of (+)-xestoquinone has been achieved using a cascade-type asymmetric Heck reaction (in up to 63% ee and 39% chemical yield (66% conversion yield)) of the aryl bromide derivative(4). The use of a larger amount of silver