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ChemInform Abstract: Diastereoselective O-Vinylation of Phenols Using DMAD under Mild Reaction Conditions.

โœ Scribed by Ebrahim Kianmehr; Katayoun Tabatabai; Alireza Abbasi; Hamideh Shokouhi Mehr


Publisher
John Wiley and Sons
Year
2008
Weight
22 KB
Volume
39
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Chemoselective O-Me
โœ A. BASAK; M. K. NAYAK; A. K. CHAKRABORTI ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 30 KB ๐Ÿ‘ 2 views

Chemoselective O-Methylation of Phenols under Nonaqueous Condition. -A highly selective O-alkylation of various phenols (I) (24 examples) is achieved using 0.5 equivalents of dialkylsulfate [cf. (II)] in dry THF in the presence of LiOH as base. Use of other alkali or alkaline earth metal hydroxides