title: Deprotection of a silyl group with mesoporous silica.
abstract: The triethylsilyl (TES) group of silyl ethers of several types is selectively and easily removed in the presence of a t-butyldimethylsilyl (TBDMS) group with a mesoporous silica MCM-41/MeOH heterogeneous system. Comparison of the efficiency was carried out among several solvents, and among such promoters as common zeolites and ion-exchange resins. Furthermore, FSM-16, another mesoporous silica, was examined for the possibility of recycling by re-calcination at 400 degrees C after the reaction.
authors.affiliation: Gifu Pharmaceutical University, Gifu, Japan. itoha@gifu-pu.ac.jp
authors.forename: Akichika
authors.initials: A
authors.lastname: Itoh
authors.forename: Tomohiro
authors.initials: T
authors.lastname: Kodama
authors.forename: Yukio
authors.initials: Y
authors.lastname: Masaki
mesh_terms: D007475:Ion Exchange Resins; D012822:Silicon Dioxide / Q000737:chemistry*; D021241:Spectrometry, Mass, Electrospray Ionization
chemical_list: D007475:Ion Exchange Resins; D012822:Silicon Dioxide