The title compound N,N′ ditosyl 3 methoxyimino 1,5 diaza cyclooctane(4) has been prepared by two methods,the reactions of all steps are carried out under very moderate conditions and the overall yield is high.The str...The title compound N,N′ ditosyl 3 methoxyimino 1,5 diaza cyclooctane(4) has been prepared by two methods,the reactions of all steps are carried out under very moderate conditions and the overall yield is high.The structures of the new compounds 2,3,4 are characterized by elemental analysis,IR, 1H NMR and MS spectroscopy.展开更多
含磷吲哚衍生物是一类重要的有机磷化合物,不仅广泛存在于医药制剂中,而且作为配体和中间体广泛存在于材料学和有机合成中。利用膦亲核试剂对磺酰吲哚原位生成的插烯亚胺中间体进行迈克尔加成,能够以较高收率得到一系列3-膦取代吲哚化...含磷吲哚衍生物是一类重要的有机磷化合物,不仅广泛存在于医药制剂中,而且作为配体和中间体广泛存在于材料学和有机合成中。利用膦亲核试剂对磺酰吲哚原位生成的插烯亚胺中间体进行迈克尔加成,能够以较高收率得到一系列3-膦取代吲哚化合物。以磺酰基吲哚和二苯基氧磷为原料,在无机碱碳酸铯作用下发生迈克尔加成反应,合成了11个结构新颖的3-(1-磷酰基)甲基吲哚类化合物3a~3k,产率为72%~98%,并对这些化合物进行^(1)H NMR、^(13)C NMR、31 P NMR、熔点和HR-MS(ESI-TOF)表征。展开更多
文摘The title compound N,N′ ditosyl 3 methoxyimino 1,5 diaza cyclooctane(4) has been prepared by two methods,the reactions of all steps are carried out under very moderate conditions and the overall yield is high.The structures of the new compounds 2,3,4 are characterized by elemental analysis,IR, 1H NMR and MS spectroscopy.
文摘含磷吲哚衍生物是一类重要的有机磷化合物,不仅广泛存在于医药制剂中,而且作为配体和中间体广泛存在于材料学和有机合成中。利用膦亲核试剂对磺酰吲哚原位生成的插烯亚胺中间体进行迈克尔加成,能够以较高收率得到一系列3-膦取代吲哚化合物。以磺酰基吲哚和二苯基氧磷为原料,在无机碱碳酸铯作用下发生迈克尔加成反应,合成了11个结构新颖的3-(1-磷酰基)甲基吲哚类化合物3a~3k,产率为72%~98%,并对这些化合物进行^(1)H NMR、^(13)C NMR、31 P NMR、熔点和HR-MS(ESI-TOF)表征。