Solvent??Free Carbon–Oxygen Bond Formation Catalysed by CeCl3· 7 H2O/NaI: Tetrahydropyranylation of Hydroxy Groups
…, M Massaccesi, P Melchiorre, M Paoletti…
Index: Bartoli, Giuseppe; Giovannini, Riccardo; Giuliani, Arianna; Marcantoni, Enrico; Massaccesi, Massimo; Melchiorre, Paolo; Paoletti, Melissa; Sambri, Letizia European Journal of Organic Chemistry, 2006 , # 6 p. 1476 - 1482
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Citation Number: 15
Abstract
Abstract An efficient and highly chemoselective method fo the protection of free hydroxy compounds with 3, 4-dihydro-2H-pyran is reported. Since the deprotection of THP-ethers occurs very readily at room temperature, the successful use of this type of protecting group depends only upon how readily it can be introduced. For this we have examined the tetrahydropyranylation of alcohols and phenols catalysed by the CeCl 3· 7 H 2 O/NaI ...
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