A Novel Chemoselective Cleavage of (tert-Butyl)(dimethyl)silyl (TBS) Ethers Catalyzed by Ce(SO4)2⋅4 H2O

Autor: Carlos A. González-González, Davir González-Calderón, Erick Cuevas-Yañez, David Corona-Becerril, Carlos González-Romero, Aydeé Fuentes-Benítez
Rok vydání: 2014
Předmět:
Zdroj: Helvetica Chimica Acta. 97:965-972
ISSN: 0018-019X
Popis: (tert-Butyl)(dimethyl)silyl (tBuMe2Si; TBS) phenyl/alkyl ethers were efficiently cleaved to the corresponding parent hydroxy compounds in good yields using catalytic amounts of Ce(SO4)2⋅4 H2O by microwave-assisted or conventional heating in MeOH. Intramolecular and competitive experiments demonstrated the chemoselective deprotection of TBS ethers in the presence of triisopropylsilyl (iPr3Si; TIPS) and (tert-butyl)(diphenyl)silyl (tBuPh2Si; TBDPS) ethers.
Databáze: OpenAIRE