A series of dibenzo-sulfur-heterocycle compounds, such as phenothiazine, phenoxthine, thianthrene, thioxanthene and derivatives of dibenzothiophene were synthesized with satisfactory yields through reaction of the cor...A series of dibenzo-sulfur-heterocycle compounds, such as phenothiazine, phenoxthine, thianthrene, thioxanthene and derivatives of dibenzothiophene were synthesized with satisfactory yields through reaction of the corresponding diphenyl-type compounds with elemental sulfur over a USY zeolite catalyst.展开更多
The synthesis of phenothiazine and phenoxthine was performed very efficiently through the thionation of diphenylamine and diphenyl ether, respectively, with elemental sulfur by using hydrothermally treated HY zeolites...The synthesis of phenothiazine and phenoxthine was performed very efficiently through the thionation of diphenylamine and diphenyl ether, respectively, with elemental sulfur by using hydrothermally treated HY zeolites as catalysts. The nature of the active sites of the zeolites for the thionation reaction was discussed.展开更多
文摘A series of dibenzo-sulfur-heterocycle compounds, such as phenothiazine, phenoxthine, thianthrene, thioxanthene and derivatives of dibenzothiophene were synthesized with satisfactory yields through reaction of the corresponding diphenyl-type compounds with elemental sulfur over a USY zeolite catalyst.
文摘The synthesis of phenothiazine and phenoxthine was performed very efficiently through the thionation of diphenylamine and diphenyl ether, respectively, with elemental sulfur by using hydrothermally treated HY zeolites as catalysts. The nature of the active sites of the zeolites for the thionation reaction was discussed.
