Oxidative de-aromatization of para-alkyl phenols into para-peroxyquinols and para-quinols mediated by oxone as a source of singlet oxygen
(Chemical Equation Presented) Easy does it: Easily handled and environmentally safe oxone generates singlet oxygen which effects the simple and selective oxidative de-aromatization of para-alkyl phenols 1 into para-peroxyquinols 2 under very mild conditions with good to excellent yields. A one-pot access to para-quinols 3 from 1 is also possible after treatment of the crude reaction mixture with sodium thiosulfate.
Carreno, M. Carmen,Gonzalez-Lopez, Marcos,Urbano, Antonio
p. 2737 - 2741
(2007/10/03)
Novel one-pot synthesis of acetoxy-2,4-cyclohexadienones
A new, simple, one-pot method for the oxidative acetylation of some substituted phenols leading to acetoxycyclohexa-2,4-dienones is described. A novel diacetoxycyclohexadienone 12 has also been prepared using the present method from 2-hydroxymethyl phenol (salicyl alcohol). Copyright Taylor & Francis, Inc.
Deota, Pradeep T.,Upadhyay, Piyush R.,Parmar, Hemant S.
p. 1715 - 1723
(2007/10/03)
A Simple and Efficient Procedure for the Preparation of p-Quinols by Hypervalent Iodine Oxidation of Phenols and Phenol Tripropylsilyl Ethers
Oxidation of para-substituted phenols with benzene (BTIB) in aqueous acetonitrile at 0 deg C gives p-quinols in moderate to good yields; higher yields are obtained when tripropylsilyl ethers of phenols are used.
McKillop, Alexander,McLaren, Lee,Taylor, Richard J. K.
p. 2047 - 2048
(2007/10/02)
Selective Reactions of Carbanions with p-Quinones. The Aggregate Model
Additions of carbanions to unsymmetrical p-quinones can be achieved at either carbonyl carbon by a judicious choice of reaction conditions.
Liotta, Dennis,Saindane, Manohar,Barnum, Christopher
p. 3369 - 3370
(2007/10/02)
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