Iodine-catalyzed efficient 2-arylsulfanylphenol formation from thiols and cyclohexanones
作者:Yunfeng Liao、Pengcheng Jiang、Shanping Chen、Hongrui Qi、Guo-Jun Deng
DOI:10.1039/c3gc41671b
日期:——
A novel method for the formation of 2-arylsulfanylphenols fromthiols and cyclohexanones is described. Iodine was used as an effective catalyst for this kind of transformation. Cyclohexanones were used as a phenol source via a dehydrogenation and tautomerization reaction.
Facile Synthesis of 2-(Phenylthio)phenols by Copper(I)-Catalyzed Tandem Transformation of C−S Coupling/C−H Functionalization
作者:Runsheng Xu、Jie-Ping Wan、Hui Mao、Yuanjiang Pan
DOI:10.1021/ja107758d
日期:2010.11.10
2-(Phenylthio)phenols were successfully synthesized from simple phenols and aromatic halides by using dimethyl sulfoxide as the oxidant. The transformation was accomplished via tandem copper(I)-catalyzed C-S coupling/C-H functionalization employing the CuI/L [L = (E)-3-(dimethylamino)-1-(2-hydroxyphenyl)prop-2-en-1-one] catalyst system. The mechanism of the reaction was elucidated based on an isotope
Iodine-Catalyzed Selective Synthesis of 2-Sulfanylphenols<i>via</i>Oxidative Aromatization of Cyclohexanones and Disulfides
作者:Wenlei Ge、Xun Zhu、Yunyang Wei
DOI:10.1002/adsc.201300493
日期:2013.10.11
AbstractIodine‐catalyzed intermolecular dehydrogenative aromatizations of six‐membered cyclohexanones for the selective synthesis of 2‐sulfanylphenols have been developed. Both aryl and alkyl disulfides can be used as sulfanylation reagents to give the desired products in good yields under the optimized reaction conditions. The catalytic reaction uses dimethyl sulfoxide or oxygen as the terminal oxidant and avoids the use of transition metal catalysts. In addition, α‐sulfanyl enones could also be obtained via an iodine‐catalyzed oxidative system from simple cyclic ketones using dimethyl sulfoxide as the oxidant.magnified image
Iodine-promoted 2-arylsulfanylphenol formation using cyclohexanones as phenol source
作者:Ya Chen、Fuhong Xiao、Hui Chen、Saiwen Liu、Guo-Jun Deng
DOI:10.1039/c4ra08014a
日期:——
A novel method for the formation of 2-arylsulfanylphenols using cyclohexanones as phenol source via dehydrogenation is described. Various aromatic sodium sulfinates and sulfonyl chlorides acted as efficient coupling partners to construct new C–S bonds in the presence of an iodine promoter.