Synthesis of (.+-.)-11-ketoprogesterone, a precursor to the corticosteroids. An improved method for the introduction of the carbon 19 methyl group into A-ring aromatic …
FE Ziegler, TF Wang
文献索引：Ziegler; Wang Journal of the American Chemical Society, 1984 , vol. 106, # 3 p. 718 - 721
Conclusion A chain decomposition reaction of phenyl azide can be initiated photochemically. Upon irradiation of phenyl azide in solution, molecular nitrogen is evolved and phenyl nitrene is formed. In dilute solutions of [PhN3]-M,+-PhN,= 0.5. Dimerization of two phenyl nitrenesI4 then leads to (E)-azobenzene formation. At higher concentrations of phenyl azide, phenyl nitrene can react with a phenyl azide molecule to net two phenyl ...
