V. ErvithayasupornN. PornsamutsinP. PrangyooK. SammawutthichaiT. JaroentomeechaiC. PhuratT. TeerawatananondMahidol UniversityChulalongkorn University2018-10-192018-10-192013-10-07Dalton Transactions. Vol.42, No.37 (2013), 13747-1375314779234147792262-s2.0-84883523136https://repository.li.mahidol.ac.th/handle/123456789/31509Metal halides, solvent effects, phase transfer catalysts, alkylating agent and reaction times were found to have important roles to complete halogen exchange reactions in "one pot" synthesis, starting from octakis(3-chloropropyl)octasilsesquioxane to obtain more reactive halide compounds: octakis(3-bromopropyl)octasilsesquioxane and octakis(3-iodopropyl) octasilsesquioxane. To confirm the complete halogen exchange, the desired products were characterized by1H,13C and29Si NMR spectroscopy, ESI-MS, elemental analysis and single-crystal X-ray diffraction analysis. © 2013 The Royal Society of Chemistry.Mahidol UniversityChemistryArticleSCOPUS10.1039/c3dt51373d