For use in dihydroxylation of alkenes with Osmium(VIII)- oxide, 12103, facilitating the reuse of the Os catalyst, see: Org. Lett., 4, 2197 (2002). Recyclable medium for oxidation of alcohols, catalyzed by TEMPO, and CuCl, to give aldehydes and ketones chemoselectively under mild conditions: Org. Lett., 4, 1507 (2002). Heck reactions with aryl halides can be carried out with controlled microwave heating: J. Org. Chem., 67, 6243 (2002). A copper-free Sonogashira coupling of terminal alkynes with aryl iodides, catalyzed by trans-Dichlorobis(triphenyl-phosphine)-palladium(II)-, has been adapted to a microflow system for efficient catalyst recycling: Org. Lett., 4, 1691 (2002).