identified for use in Fukuyama cross-coupling reactions. Suitable for storage under air, the POxAP precatalyst allowed reaction between thioesters and organozinc reagents with turnover numbers of ∼90000. A series of 23 ketones were obtained with yields ranging from 53 to 99%. As proof of efficacy, an alternative approach was developed for the synthesis of a key precursor of the natural product isoprekinamycin
A Novel Method of Synthesis of 2-Methylthio-1,3-oxazoles
作者:Carlos Alvarez-Ibarra、Magnolia Mendoza、Guillermo Orellana、Maria L. Quiroga
DOI:10.1055/s-1989-27320
日期:——
A one-pot synthesis of 2-methylthio-1,3-oxazoles by a cyclocondensation reaction between dimethyl N-(ethoxycarbonylmethyl)iminodithiocarbonate and S-phenyl alkanethioates and thiobenzoates is described. The new procedure offers several advantages: easy access of the reagents, high selectivity, and facile introduction of different substitutions in the heterocyclic ring.
Metal-free sp<sup>3</sup>C–H functionalization: a novel approach for the syntheses of selenide ethers and thioesters from methyl arenes
作者:Satpal Singh Badsara、Yi-Chen Liu、Ping-An Hsieh、Jing-Wen Zeng、Shao-Yi Lu、Yi-Wei Liu、Chin-Fa Lee
DOI:10.1039/c4cc04503c
日期:——
A DTBP-promoted, operationally simple, metal-free and solvent-free formation of C–Se and C–S bonds through sp3C–H functionalization of methyl arenes with diselenides and disulfides is described.
Benzenethiol esters are efficiently reduced to alcohols under mild conditions by treatment with zinc borohydride prepared from zinc chloride and sodium borohydride.
通过用由氯化锌和硼氢化钠制备的硼氢化锌处理,苯硫醇酯在温和条件下可有效还原为醇。
Polymer supported Pd catalyzed thioester synthesis via carbonylation of aryl halides under phosphine free conditions
作者:Sk Manirul Islam、Rostam Ali Molla、Anupam Singha Roy、Kajari Ghosh
DOI:10.1039/c4ra03338h
日期:——
A new polymer anchored Pd(ii) complex has been synthesized and characterized. The catalytic performance of this complex has been tested for thioester synthesis via carbonylation of aryl halides and thiols under phosphine free conditions. This catalyst showed excellent catalytic activity and recyclability.