Organo-silicon compoundsOrgano-silicon compounds S 0060Friedel-Crafts Type Alkylation of 1,2,3,4,5,6,7,8-Octahydroanthracene with Vinylchlorosilanes: Synthesis of Mono, Bis[2-(chlorosilyl)ethyl]1,2,3,4,5,6,7,8-octahydroanthracenes. -Title reaction furnishes the monoalkylated compounds (VI)/(VII) and/or dialkylated product (VIII) depending on the molar ratio of anthracene and vinylchlorosilanes. A plausible mechanism is proposed. -(KONG, S. D.; LEE, C. Y.; YOO, B. R.; LEE, M. E.; JUNG*, I. N.; Bull. Korean Chem.