Polymer-bound triphenylphosphine as traceless reagent for mitsunobu reactions in combinatorial chemistry: Synthesis of aryl ethers from phenols and alcohols
作者:Ashok Rao Tunoori、Dinah Dutta、Gunda I. Georg
DOI:10.1016/s0040-4039(98)01988-1
日期:1998.11
The synthesis of aryl ethers from phenols and alcohols using polymer-bound triphenylphosphine and diethyl azodicar☐ylate (DEAD) is described. The polymer-bound triphenylphosphines are easily removed by filtration from the reaction products. This method is operationally simple and provides the products with high purity and in good yields.
Lai, Chung K.; Chen, Fuh-Gue; Ku, Yu-Ju, Journal of the Chemical Society, Dalton Transactions, 1997, # 24, p. 4683 - 4687
作者:Lai, Chung K.、Chen, Fuh-Gue、Ku, Yu-Ju、Tsai, Chun-Hsien、Lin, Raymond
DOI:——
日期:——
2-acetylphenol analogs as potent reversible monoamine oxidase inhibitors
作者:Lesetja Legoabe、Jacobus Petzer、Anél Petzer
DOI:10.2147/dddt.s86225
日期:——
Based on a previous report that substituted 2-acetylphenols may be promising leads for the design of novel monoamine oxidase (MAO) inhibitors, a series of C5-substituted 2-acetylphenol analogs (15) and related compounds (two) were synthesized and evaluated as inhibitors of human MAO-A and MAO-B. Generally, the study compounds exhibited inhibitory activities against both MAO-A and MAO-B, with selectivity for the B isoform. Among the compounds evaluated, seven compounds exhibited IC50 values <0.01 mu M for MAO-B inhibition, with the most selective compound being 17,000-fold selective for MAO-B over the MAO-A isoform. Analyses of the structure-activity relationships for MAO inhibition show that substitution on the C5 position of the 2-acetylphenol moiety is a requirement for MAO-B inhibition, and the benzyloxy substituent is particularly favorable in this regard. This study concludes that C5-substituted 2-acetylphenol analogs are potent and selective MAO-B inhibitors, appropriate for the design of therapies for neurodegenerative disorders such as Parkinson's disease.