Azinoiminophosphorane mediated 4<i>H</i>,8<i>H</i>-1,2,4-triazolo[1,5-<i>C</i>]-[1,3]oxazepin-4-ones and 5,6-dihydro-7<i>H</i>, 12<i>H</i>-naphtho[2,1-<i>f</i>]-[1,2,4]triazolo[1,5-<i>c</i>][1,3]oxazepin-7-ones synthesis
作者:Kyoung Tae Kim、Chang Hoon Lee、Kee-Jung Lee
DOI:10.1002/jhet.5570400128
日期:2003.1
acetophenone- and benzophenone 1-[(triphenylphosphor-anylidene)amino]ethylidenehydrazones (1) with 2,3-furandiones 6 provide a new route to 4H,8H-1,2,4-triazolo[1,5-c][1,3]oxazepin-4-ones 14 or 5,6-dihydro-7H,12H-naphtho[2,1-f|[1,2,4]triazolo[1,5-c]-[1,3]oxazepin-7-ones 17 via the thermal reaction of the expected azinoimine vinylogous lactones.
苯甲醛,苯乙酮和二苯甲酮1所述的氮杂维蒂希反应- [(triphenylphosphor-anylidene)氨基] ethylidenehydrazones(1)与2,3-二furandiones 6提供一个新的路由至4 ħ,8 ħ -1,2,4- -triazolo [1,5- c ] [1,3]恶唑啉-4-酮14或5,6-dihydro-7 H,12 H-萘[2,1- f | [1,2,4] triazolo [ 1,5- c ]-[1,3]氧杂ze-7-酮17 通过预期的叠氮亚胺乙烯基内酯的热反应。