The efficient, green, facile, mild and straightforward conversion procedure for the oxidation of cyclic ketones to lactones at room temperature utilizing potassium peroxydisulfate （K2S2O8） in acidic media is satisfa...The efficient, green, facile, mild and straightforward conversion procedure for the oxidation of cyclic ketones to lactones at room temperature utilizing potassium peroxydisulfate （K2S2O8） in acidic media is satisfactory to high yields without using traditional chlorinated solvents is reported. This oxidative reagent is cheap and friendly environmental procedure for industrial purposes than use of organic peracids.展开更多
ZrOCl2·8H2O catalyzed environmentally benign synthesis of isobenzofuran-1（3H）-ones are described.ZrOCl2·8H2O appeared to be an excellent catalyst for the condensation and reactions.Reaction of phthalaldehy...ZrOCl2·8H2O catalyzed environmentally benign synthesis of isobenzofuran-1（3H）-ones are described.ZrOCl2·8H2O appeared to be an excellent catalyst for the condensation and reactions.Reaction of phthalaldehydic acid（2-carboxybenzaldehyde） with methylaryl and cyclic ketones was initiated by condensation and occurred in one step providing excellent yields（90-98%）.展开更多
To design 3,5-dimethoxystyrene-linked cyclic ketone derivatitves as new anti-inflammatory drugs,eight target compounds were synthesized through 3,5-dimethoxy benzaldehyde and heterocycle or alicyclic ring condensation...To design 3,5-dimethoxystyrene-linked cyclic ketone derivatitves as new anti-inflammatory drugs,eight target compounds were synthesized through 3,5-dimethoxy benzaldehyde and heterocycle or alicyclic ring condensation.Their structures were identified by IR,HR-MS and 1H NMR,and their reaction conditions were studied.展开更多
基金support and purchase of Hewlett-Packard 6890 GC-Hewlett-Packard 5973N MSD instrument.
文摘The efficient, green, facile, mild and straightforward conversion procedure for the oxidation of cyclic ketones to lactones at room temperature utilizing potassium peroxydisulfate （K2S2O8） in acidic media is satisfactory to high yields without using traditional chlorinated solvents is reported. This oxidative reagent is cheap and friendly environmental procedure for industrial purposes than use of organic peracids.
文摘ZrOCl2·8H2O catalyzed environmentally benign synthesis of isobenzofuran-1（3H）-ones are described.ZrOCl2·8H2O appeared to be an excellent catalyst for the condensation and reactions.Reaction of phthalaldehydic acid（2-carboxybenzaldehyde） with methylaryl and cyclic ketones was initiated by condensation and occurred in one step providing excellent yields（90-98%）.
文摘To design 3,5-dimethoxystyrene-linked cyclic ketone derivatitves as new anti-inflammatory drugs,eight target compounds were synthesized through 3,5-dimethoxy benzaldehyde and heterocycle or alicyclic ring condensation.Their structures were identified by IR,HR-MS and 1H NMR,and their reaction conditions were studied.
