The azaspiro oxo-urethane (4), readily available from naphthalene, is reduced to the amino-alcohol (5) whose diacetate (6), the structure of which was determined by X-ray crystallography, undergoes acetate elimination in refluxing toluene to yield the N-acetylazaspiroundecene (7).
可以从
萘容易获得的氮杂螺氧基羰基
氨基甲酸酯(4)还原为
氨基醇(5),其
氨基
乙酸(6)的结构由X射线晶体学测定,在回流的
甲苯中经
过乙酸消除,从而制得所述ñ -acetylazaspiroundecene(7)。