“…-4.7 (qqd, Si(CH3)2, Vch = 118.0 Hz, Vcsích = Vcsinh = 1.8 Hz, Vs¡c = 55.3 Hz, 29Si satellites), 18.7 (s, C(CH3)3, Vcc = 31.2 Hz, l3C satellites, Vs¡c = 60.7 Hz, 29Si satellites), 26.8 (q sept., C(CH3)3, Vch = 124.6 Hz, VCH = 5.6 Hz, Vcc = 31.2 Hz, 13C satellites), 41.0 (ttd, SiNCH2, VCH = 133.1 Hz, VCch = Vcnh = 2.5 Hz, Vcc = 39.2 Hz, 13C satellites), 59.4 (tm,N(CH2)3,VCH = 132.3 Hz, Vcc = 38.7 Hz, 13C satellites). 29Si NMR (benzene-*): 7.50; LRMS (El): m/z (ion, relative intensity) 489 ( + H+, 0.05), 473 (M -CH3+, 0.3), 431 (Mí-Bu+, 0.1), 344 (11), 226 (5), 213 (35), 199 (11), 187 (38), 158 (34), 144 (29), 129 (6), 115 (SiMe2-f-Bu+, 7), 100 (13), 88 (10), 73 (SiMe3+, 100), 59 (18), 58 (SiMe2+, 7), 57 11), 44 (10), 43 (10). CIMS (positive ion detection): m/z (ion, relative intensity) 489 ( + H+, 100), 375 (10), 344 (12), 332 (8), 299 (11), Method B.…”