[reaction: see text] Dicobalt octacarbonyl [Co(2)(CO)(8)] in acetonitrile at 75 degrees C triggers the cleavage of the N-O bond of 4-isoxazolines (1) to bring about the valence rearrangement to 2-acylaziridines (2). The isoxazolines were stable at 75 degrees C in the absence of the cobalt complex.
                                    [反应:请参见文本]
乙腈中的八
钴二羰基八氧化二
钴(Co(2)(CO)(8))在75摄氏度时触发4-
异恶唑啉(1)的NO键裂解,从而使2-酰基
氮丙啶的价数重排(2)。在不存在
钴配合物的情况下,
异恶唑啉在75摄氏度下稳定。