%0 Journal Article %T A Facile Procedure for the Generation of Dichlorocarbene from the Reaction of Carbon Tetrachloride and Magnesium using Ultrasonic Irradiation %A Haixia Lin %A Mingfa Yang %A Peigang Huang %A Weiguo Cao %J Molecules %D 2003 %I MDPI AG %R 10.3390/80800608 %X An improved method for the generation of dichlorocarbene was developed that utilizes ultrasound in the reaction of carbon tetrachloride with magnesium. High yields of gem-dichlorocyclopropane derivatives can be obtained in the presence of olefins by this method. %K Dichlorocarbene %K gem-dichlorocyclopropanes %K ultrasonic irradiation %K olefin addition %K magnesium %U http://www.mdpi.com/1420-3049/8/8/608