W. Malisch et al. •Übergangsmetall-substituierte Phosphane, Arsane und Stibane, LX
1089
(Zers.). - 'H-NMR ([D3]-Nitromethan, 400.1 MHz): 6 = Etl (7b). - Ausbeute 176 mg (8 6 %). - Oranges Pulver.
8.67 (s, 1 H, H-N), 7.12 [d, V(PCCCH) = 3.2 Hz, 2 H, - Schmp. 104 °C (Zers.). - 'H-NMR ([D3]-Acetonitril,
H2C6], 5.27 [d, 3/(PFeCH) = 1.6 Hz, 5 H, H5C5], 3.17
[dd, 3/(HCNH) = 4.8 Hz, V(PCNCH) = 1.2 Hz, 3 H,
H3C-N], 2.51 [d, 4/(PCCCH) = 4.8 Hz, 6 H, 2-H3C], 2.28
[d, 2/(PCH) = 14.0 Hz, 3 H, H3C-P], 2.13 ppm (s, 3 H,
4-H3C). - 13C-NMR ([D3]-Nitromethan, 100.6 MHz): 6 =
211.9 [d, 2/(PFeC) = 21.1 Hz, CO], 210.9 [d, 2/(PFeC) =
22.1 Hz, CO], 203.6 [d, '/(PC) = 32.2 Hz, C=S], 144.9
[d, 4/(PCCCC) = 3.0 Hz, C-4], 143.2 [d, 3/(PCCC) = 8 .1
Hz, C-3/5], 133.5 [d, 2/(PCC) = 8.1 Hz, C-2/6], 126.6 [d,
'/(PC) = 27.2 Hz, C-l], 89.0 (s, C5H5), 35.8 [d, 3/(PCNC)
= 18.6 Hz, CH3-N], 24.8 [d, 3/(PCCC) = 6.2 Hz, 2-CH3],
21.1 (s, 4-CH3), 9.1 ppm [d, '/(PC) = 54.0 Hz, CH3-P].-
3 'P-NMR ([D3]-Nitromethan, 162.0 MHz): 6 = 83.3 ppm.
- IR (Acetonitril): is(CO) = 2049 (s), 2008 (s) cm- '.
400.1 MHz): 6 = 8.83 (s, 1 H, H-N), 7.10 [d, 4/(PCCCH)
= 2.8 Hz; 2 H, H2C6], 5.17 (s, 5 H, H5C5), 3.75-3.55 (m,
2 H, H,C-N), 3.24-3.12 (m, 2 H, H2C-P), 2.46 (s, 6 H,
2-H3C), 2.31 (s, 3 H, 4-H3C), 1.18 [t, 3/(HCCH) = 7.2
Hz, 3 H, H3C], 1.09 ppm [t, 3/(HCCH) = 7.2 Hz, 3 H,
H3C], - 13C-NMR ([D3]-Acetonitril, 100.6 MHz): 6 =
211.1 [d, 2/(PFeC) = 20.1 Hz, CO], 210.3 [d, 2/(PFeC) =
22.1 Hz, CO], 198.0 [d, '/(PC) = 27.2 Hz, C=S], 142.9
[d, 4/(PCCCC) = 2.0 Hz, C-4], 132.8 [d, 3/(PCCC) =
10.0 Hz, C-3/5], 125.3 [d, 2/(PCC) = 24.2 Hz, C-2/6],
121.9 [d, '/(PC) = 50.3 Hz, C-l], 88.3 (s, C5H5), 45.2
(s, CH2-N), 32.2 [d, '/(PC) = 23.8 Hz, CH2-P], 24.2 [d,
3/(PCCC) = 4.9 Hz, 2-CH3], 20.6 (s, 4-CH3), 15.0 (s,
CH3), 10.8 ppm [d, 2/(PCC) = 7.6 Hz, CH3CH2-P], -
3 'P-NMR ([D3]-Acetonitril, 162.0 MHz): 6 = 93.2 ppm .
- IR (Acetonitril): u(CO) = 2044 (s), 2005 (s) cm- ' .
C19H23FeIN02PS (543.18)
Ber. C 42.01 H4.27 N 2.58 S 5.90%,
Gef. C 42.00 H4.42 N 2.54 S 5.89%.
C21H27FeIN02PS (570.23)
Ber. C 44.23 H4.60 N 2.46 S 5.62%,
Gef. C 44.59 H 4.49 N 2.38 S 5.78%.
7. {Dicarbonyl(rf -cyclopentadienyK[(2,4,6-trimethyl-
phenyl)(methyl)(N-ethyl-thioformamido)-
phosphan]eisen(II)}iodid (8b)
9. {Dicarbonyl(r)5-cyclopentadienyl)[(2,4,6-trimethyl-
phenyl)(benzyl)(N-ethyl-thioformamido)-
phosphan]eisen(II)}bromid (8d)
Analog 6 . aus 150 mg (0.36 mmol) Cp(OC)2Fe-
P(Mes)-[C(=S)-N(Et)H] (6b) und 57 mg (0.40 mmol)
Mel (7a). - Ausbeute 139 mg (69%). - Gelbes Pulver.
- Schmp. 76 °C (Zers.). - 'H-NMR ([D3]-Acetonitril,
400.1 MHz): 6 = 8.83 (s, 1 H, H-N), 7.08 [d, 4/(PCCCH)
= 3.2 Hz, 2 H, H2C6], 5.17 [d, 3/(PFeCH) = 1.6 Hz, 5
H, H5C5], 3.74-3.68 [m, 1 H, H2C-N], 3.62-3.58 [m,
1 H, H2C-N], 2.45 [d, 2/(PCH) = 9.6 Hz, 3 H, H3C-P],
2.37 (s, 3 H, 4-H3C), 2.31 (s, 6 H, 2-H3C), 1.10 ppm
[t, 3/(HCCH) = 7.2 Hz, 3 H, H3CH2C-N], - 13C-NMR
([D3]-Acetonitril, 100.6 MHz): <5= 211.1 [d, 2/(PFeC) =
21.1 Hz, CO], 210.1 [d, 2/(PFeC) = 22.1 Hz, CO], 201.3
[d, '/(PC) = 31.2 Hz, C=S], 143.4 [d, 4/(PCCCC) = 3.0
Hz, C-4], 142.1 [d, 3/(PCCC) = 8.0 Hz, C-3/5], 132.5 [d,
2/(PCC) = 9.1 Hz, C-2/6], 126.2 [d, '/(PC) = 28.2 Hz,
C-l], 88.5 (s, C5H5), 43.2 (s, CH2-N), 24.8 [d, 3/(PCCC)
= 5.8 Hz, 2-CH3], 20.5 (s, 4-CH3), 11.7 (s, CH3), 8 .6 ppm
[d, '/(PC) = 48.7, CH3-P], - 3 'P-NMR ([D3]-Acetonitril,
162.0 MHz): 6 = 84.7 ppm. - IR (Acetonitril): z^(CO) =
2052 (s), 2012 (s) cm "'. C20H25FeINO2PS (557.21)
Analog 6 . aus 150 mg (0.36 mmol) Cp(OC)2Fe-
P(Mes)-[C(=S)-N(Et)H] (6 b) und 70 mg (0.47 mmol)
Benzylbromid (7c). - Ausbeute 119 mg (56%). - Oranges
Pulver. - Schmp. 76 °C (Zers.). - 'H-NMR ([D3]-Ace-
tonitril, 400.1 MHz): S = 9.11 (s, 1 H, H-N), 7.29-7.08
(m, 5 H, H5C6), 6.98 [d, 4/(PCCCH) = 1.2 Hz, 2 H,
H2C6], 5.26 (s, 5 H, H5C5), 3.67-3.54 (m, 2 H, H2C-N),
2.53 (s, 6 H, 2-H3C), 2.35 (s, 3 H, 4-H3C), 1.31 ppm [t,
V(HCCH) = 7.2 Hz, 3 H, H3C], - 13C-NMR ([D3]-Ace-
tonitril, 100.6 MHz): <5= 211.2 [d, 2/(PFeC) = 33.4 Hz,
CO], 209.6 [d, 2/(PFeC) = 23.7 Hz, CO], 197.3 [d, '/(PC)
= 57.0 Hz, C=S], 143.5-128.2 [m, C6H5, C6H2(CH3)3],
88.3 (s, C5H5), 43.5 [d, 3/(PCNC) = 2.5 Hz, CH2-N],
42.7 [d, '/(PC) = 22.3 Hz, CH2-P], 21.2 (s, 2-CH3), 15.4
(s, 4-CH3), 12.4 ppm (s, CH3CH2-N). - 31P-NMR ([D3]-
Acetonitril, 162.0 MHz): 6 = 97.7 ppm. - IR (Acetonitril):
u(CO) = 2044 (s), 2003 (s) cm- '.
C26H29BrFeN02PS (586.33)
Ber. C 42.65 H4.67 N 2.45 S 5.96%,
Gef. C 43.11 H 4.52 N2.51 S 5.75%.
Ber. C 53.26 H4.99 N 2.39 S 5.47%,
Gef. C 52.74 H 5.02 N2.51 S 5.39%.
8. {Dicarbonyl(ri5-cyclopentadienyl)[(2,4,6-trimethyl-
phenyl)(ethyl)(N-ethyl-thioformamido)-
phosphan]eisen(II)}iodid (8 c)
10. [Dicarbonyl(r)5-cyclopentadienyl)ferrio][(2,4,6-
trimethylphenyl)(N-methyl-thioformamido)-
thiophosphoran] (1 0 a)
Analog 6 . aus 150 mg (0.36 mmol) Cp(OC)2Fe-
P(Mes)-[C(=S)-N(Et)H] (6b) und 57 mg (0.36 mmol)
Eine Lösung von 200 mg (0.50 mmol) Cp(OC)2Fe-
P(Mes)[C(=S)-N(Me)H] (6 a) in 10 ml Toluol wird mit
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