Abstract
Abstract N-Chloro-dimesylamine ClN(SO2Me)2 (1) reacts with the appropriate triorganophosphines to give the ionic chloro(triorgano)phosphonium dimesylamides R3PCI+ −N(SO2Me)2 [R = iPr (2a), nBu (2b), Ph (2c)]. The reaction of 1 with (MeO)3P affords (MeO)2P(O)Cl and MeN(SO2Me)2; its reaction with (PhO)3P or PCl3 leads to elimination of MeSO2Cl and formation of the phosphine imides Y3P[dbnd]NSO2Me [Y = PhO (3a), Cl (3b)]. The (1/1) dichloromethane solvate of 2a crystallizes in the monoclinic space group P21/c with a = 1735.6(7), b = 841.1(4), c = 1658.4(7) pm, β = 118.34(3)°, U = 2.1309(16) nm3, Z = 4. The crystal lattice consists of discrete iPr3PCl+ cations (P[sbnd]Cl 199.4 pm, bond angles at P 105.7–117.5°), (MeSO2)2N− anions and CH2Cl2 molecules apparently hydrogen-bonded to oxygen atoms of the anions. 3a crystallizes in the monoclinic space group P21/c with a = 974.7(3), b = 2052.3(6), c = 959.5(3) pm, β = 98.820(14)°, U = 1.8967(10) nm3, Z = 4. The dimensions of the molecule (P[sbnd]N 154.4, N[sbnd]S 1...
Published Version
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