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- W2076489400 abstract "Abstract The aziridinolysis of (NPCl 2 ) n (NPAmCl) 3−n (n = 1, 2; Am = pyrrolidino, piperidino, morpholino) in diethyl ether is described. In a series of comparable reactions it is found that the replacement of chlorine atoms takes place at PCl 2 rather than at PAmCl centres. Thus, the presence of the secondary amino ligands causes a retardation of the aminolysis of the PAmCl centres by the weak mucleophile aziridine (ethylene imine, NH(CH 2 ) 2 ). Concerning the reactivity of the PAmCl centres the following sequence is observed:* PPyrCl > PPipCl > PMorphCl Apart from steric effects this sequence can be related to differences in the electron-donating ability of the amino groups, giving rise to changes in the leaving group capacity of the chlorine atoms. Moreover, the reactivity of the PAmCl centres in NPCl 2 (NPAmCl) 2 is related to the mutual position of the amino substituents." @default.
- W2076489400 created "2016-06-24" @default.
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- W2076489400 date "1982-01-01" @default.
- W2076489400 modified "2023-09-27" @default.
- W2076489400 title "Inorganic ring systems of physiological importance. Part II+. Substituent effects in the aziridinolysis of (NPCl2)3" @default.
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- W2076489400 doi "https://doi.org/10.1016/s0020-1693(00)85794-1" @default.
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