作者:G. Märkl、B. Alig
DOI:10.1016/0022-328x(84)80503-3
日期:1984.9
syn/anti-9-(N,N-dialkylamino)-9-phosphabicyclo[4.2.1]nona-2,4,7-trienes 5 (syn/anti ratio 100/0 to 54/46); syn-9-(N,N-Diethylamino)-9- phosphabicyclo[4.2.1]nona-2,4,7-triene (5a) is halogenated with PCl3 and PBr3 respectively to form the syn/anti-9-chloro(9-bromo)-9-phosphabicyclo[4.2.1.]nona-2,4,7- trienes 6a,6b (ratio of the isomers 30/70). The 9-fluoro derivative 6c can be obtained from 6a by Cl → F exchange
N,N(二烷基氨基)-二氯膦与环辛酸酯基二锂反应生成syn / anti -9-(N,N -dialkamino)-9-phosphabicyclocyclo [4.2.1] nona-2,4,7-trienes 5(syn / anti比率100/0至54/46);syn -9-(N,N-二乙氨基)-9-磷双环[4.2.1] nona-2,4,7-三烯(5a)分别与PCl 3和PBr 3卤化,形成syn / anti -9-氯(9-溴)-9-磷双环[4.2.1。] nona-2,4,7-三烯6a,图6b(的异构体比30/70)。9-氟衍生物6c可以通过与KF / [18]-冠-6作为合成/反混合物(60/40)的Cl→F交换从6a获得。讨论了所有顺式/反式异构体的1 H和31 P NMR光谱。