Ring expansion of symmetrically substituted cyclohexanones with N-α-diazoacetyl camphorsultam was devised as a stereoselective pathway to the functionalized 7-membered cyclic β-keto carbonyls having a kinetically stabilized α-hydrogen.
使用N-α-重氮乙酰基
樟脑磺酰胺,对称取代的
环己酮的环扩张反应被设计为一种立体选择性的途径,用于制备具有动态稳定的α-氢的官能化的7元环β-酮基酮。