Thirteen N-substituted 4-isoxazoline derivatives were obtained by reaction of 3-unsubstituted and 3, 5-disubstituted isoxazolium salts with Grignard reagents. Similarly, 3-benzyl-2-methyl-2, 3, 4, 5-tetrahydronaphth [2, 1-d] isoxazoles and 3-benzyl-2-ethyl-2, 3-dihydrobenzisoxazole were produced by reaction of the corresponding quaternary salts with benzylmagnesium chloride. Thermal reactions of some 4-isoxazoline derivatives and 3-benzyl-2, 3, 4, 5-tetrahydronaphth [2, 1-d] isoxazole derivatives leading to substituted pyrrole derivatives and 3H-benz [e] indole derivatives were investigated. A tentative mechanism for the formation of pyrrole from 4-isoxazoline is also presented.
                                    通过 3-未取代和 3,5-二取代的
异噁唑鎓盐与
格氏试剂反应,得到了 13 种 N-取代的 4-
异噁唑啉衍
生物。同样,相应的季盐与
苄基氯化镁反应生成了 3-苄基-2-甲基-2,3,4,5-四氢
萘[2,1-d]
异噁唑和 3-苄基-2-乙基-2,3-二氢苯并
异噁唑。研究了一些 4-
异噁唑啉衍
生物和 3-苄基-2,3,4,5-四氢
萘[2,1-d]
异噁唑衍
生物的热反应,这些反应生成了取代的
吡咯衍
生物和 3H 苯并[e]
吲哚衍
生物。此外,还提出了由 4-isoxazoline 生成
吡咯的初步机理。