Solid superacid perfluorooctanesulfonic acid(POSA)catalyzed Friedel-Craftsalkylation of aromatic hydrocarbons with olefins in gas-liquid phase.The alkylationsga
The dl-form of the sex pheromone of Japanese b(?)tle and the trail pheromone of Bontebok were synthesised in high purity of (Z)-olefinic configuration. The key