of L2, the diphosphine L3 was also identified and independently synthesised upon reaction of C6H4(NH2)2-C(Me)=CH2} with two equiv. of HOCH2PPh2 in CH3OH under reflux. Alternatively, reaction of C6H4(NH2)2-C(Me)=CH2} with H-PR2 (R2 = Cg or Ph2) in the presence of AIBN [2,2′-azobis(2-methylpropionitrile)] as free radical initiator, afforded the primary amine functionalised phosphines C6H4(NH2)2-CH(Me)CH2PCg}
双键取代的烯烃或
伯胺基团的受控逐步反应提供了一个小的新功能化叔和二叔膦文库。因此,市售的二取代的
芳烃C 6 H 4(NH 2)2-C(Me)= CH 2 }与HOCH 2 PR 2的曼尼希缩合反应(R 2 = Cg:1、3、5、7-四甲基-2,4,8-三氧杂-6-
磷酸金刚烷基; Ph 2)提供(
氨基甲基)膦C 6 H 4(NHCH 2 PCg)2-C(Me)= CH 2 } L 1和C 6 H 4( NHCH2 PPh 2)2-C(Me)= CH 2 } L 2约 60%的产率。除了形成L 2之外,还确定了
二膦L 3并在C 6 H 4(NH 2)2-C(Me)= CH 2 }与两个当量反应后独立合成。的HOCH 2 PPH 2在CH 3 OH在回流下。或者,使C 6 H 4(NH 2)2-C(Me)= CH 2 }与H-PR 2(R 2 = Cg或Ph2)在作为自由基
引发剂的AIBN