- 作者: 葉茂榮; 田憲儒; 淵上壽雄; 野中勉
- 作者服務機構: Department of Chemistry, National Cheng Kung University, Tainan, Taiwan 700, R.O.C.
- 中文摘要: 3-Aryl-4-(5-aryl-.DELTA./sub 2/-1,2,4-oxadiazolin-3-yl)sydnones (5) were synthesized in high yields by the reaction of 3-arylsydnone-4-carboxamide oximes (prepared from the corresponding 3-arylsydnone-4-carbonitriles) with aromatic aldehydes in the presence of acid catalysts. No reaction occured when aliphatic aldehydes were used. The oxadiazolin-3 ylsydnones (5) were easily converted into the corresponding by N-bromosuccinimide oxidation. The 3-aryl-4-(5-aryl-1,2,4-oxadiazol-3-yl)sydnones by N-bromosuccinimide oxidation. The 3-arylsydnone-4-carbonitrile oxides were synthesized in good yields by N-bromosuccinimide oxidation of the corresponding 3-arylsydnone-4-carboxaldehyde oximes.
- 英文摘要: --
- 中文關鍵字: 3-Aryl-4-(5-aryl-.DELTA./sub 2/-1,2,4-oxadiazolin-3-yl)sydnones; 3-aryl-4-(5-aryl-1,2,4-oxadiazol-3-yl)sydnones; 3-arylsydnone-4-carbonitrile oxides.
- 英文關鍵字: 3-Aryl-4-(5-aryl-.DELTA./sub 2/-1,2,4-oxadiazolin-3-yl)sydnones; 3-aryl-4-(5-aryl-1,2,4-oxadiazol-3-yl)sydnones; 3-arylsydnone-4-carbonitrile oxides.