174
I. Tiritiris – W. Kantlehner · Orthoamide und Iminiumsalze
2-Ammonioethyl-ammonium-dihydrogencarbonat (9a)
CH2). – 13C NMR (125 MHz, D2O): δ = 33.5 (NCH3),
46.6 (CH2), 160.6 (HCO3−). – C5H12N2O2 (132.16): ber.
C 45.44, H 9.15, N 21.20; gef. C 45.10, H 8.94, N 21.08.
aus 2-Methylaminoethylamin (6a) und CO
2
Ausbeu◦te: 21.7 g (92 %); farbloser Feststoff; Schmp.
112 – 115 C. 7a: 1H NMR (500 MHz, D2O): δ = 2.73 (s,
3 H, NCH3), 3.12 – 3.14 (t, J = 5.8 Hz, 2 H, CH2), 3.34 –
3.36 (t, J = 5.4 Hz, 2 H, CH2). – 13C NMR (125 MHz,
D2O): δ = 32.8 (NCH3), 37.5 (CH2), 49.8 (CH2), 164.5
Gemisch aus Methyl-(2-dimethylaminoethyl)ammonium-
N-methyl-N-(2-dimethylamino-ethyl)-carbaminat (14) und
Methyl-(2-dimethylaminoethyl)ammonium-hydrogencarbo-
nat (15) aus N,N,Nꢀ-Trimethylethylendiamin (13) und CO
2
1
(COO−). 8a: H NMR (500 MHz, D2O): δ = 2.86 (s, 3 H,
Ausbeute: 22.1 g (89 %); farbloser Feststoff; Schmp. 60 –
NCH3), 3.15 – 3.17 (t, J = 5.9 Hz, 2 H, CH2), 3.51 – 3.53
(t, J = 5.8 Hz, 2 H, CH2). – 13C NMR (125 MHz, D2O):
δ = 34.6 (NCH3), 38.4 (CH2), 46.4 (CH2), 164.4 (COO−).
9a: 1H NMR (500 MHz, D2O): δ = 2.64 (s, 3 H, NCH3),
3.01 – 3.05 (m, 4 H, CH2). – 13C NMR (125 MHz, D2O): δ =
33.2 (NCH3), 37.1 (CH2), 49.5 (CH2), 160.5 (HCO3−). –
C4H10N2O2 (118.13): ber. C 40.67, H 8.53, N 23.71; gef.
C 40.08, H 8.17, N 23.05.
◦
70 C (Zers.). 14: 1H NMR (500 MHz, D2O): δ = 2.37 (s,
6 H, NCH3), 2.67 (s, 3 H, NCH3), 2.77 – 2.79 (t, J = 7.2 Hz,
2 H, CH2), 2.85 (s, 3 H, NCH3), 2.88 (s, 6 H, NCH3), 3.11 –
3.13 (t, J = 7.3 Hz, 2 H, CH2), 3.24 – 3.27 (t, J = 5.9 Hz, 2 H,
CH2), 3.57– 3.60 (t, J = 5.9 Hz, 2 H, CH2). – 13C NMR
(125 MHz, D2O): δ = 33.1 (NCH3), 34.5 (NCH3), 43.1
(NCH3), 43.8 (NCH3), 44.3 (CH2), 45.7 (CH2), 54.0 (CH2),
56.6 (CH2), 164.2 (COO−). 15: 1H NMR (500 MHz, D2O):
δ = 2.37 (s, 6 H, NCH3), 2.67 (s, 3 H, NCH3), 2.77 – 2.79
(t, J = 7.2 Hz, 2 H, CH2), 3.11 – 3.13 (t, J = 7.3 Hz, 2 H,
CH2). – 13C NMR (125 MHz, D2O): δ = 33.1 (NCH3),
43.8 (NCH3), 45.7 (CH2), 54.0 (CH2), 160.5 (HCO3−). –
C11H28N4O2 (248.37): ber. C 53.19, H 11.36, N 22.56; gef.
C 53.29, H 11.56, N 22.77.
Gemisch aus N-(3-Methylammoniopropyl)-carbaminat (7b),
N-(3-Ammoniopropyl)-N-methyl-carbaminat (8b) und
3-Methylammoniopropyl-ammonium-dihydrogencarbo-
nat (9b) aus 3-Methylaminopropylamin (6b) und CO
2
Der gebildete Feststoff wird in Acetonitril und wenig
Wasser gelo¨st, mit Diethylether versetzt und bei ca. 0 C
◦
zur Kristallisation gebracht. Ausbeute: 24.8 g (94 %); farblo-
ser Feststoff; Schmp. 125 – 130 ◦C. 7b: 1H NMR (500 MHz,
D2O): δ = 1.80 – 1.86 (m, 2 H, CH2), 2.70 (s, 3 H, NCH3),
3.03 – 3.06 (t, J = 7.3 Hz, 2 H, CH2), 3.12 – 3.15 (t, J =
7.4 Hz, 2 H, CH2). – 13C NMR (125 MHz, D2O): δ =
26.7 (CH2), 32.6 (NCH3), 37.5 (-CH2), 46.5 (-CH2), 164.8
(COO−). 8b: 1H NMR (500 MHz, D2O): δ = 1.86 – 1.89 (m,
2 H, CH2), 2.82 (s, 3 H, NCH3), 3.00 – 3.03 (t, J = 7.6 Hz,
2 H, CH2), 3.35 – 3.37 (t, J = 7.4 Hz, 2 H, CH2). – 13C NMR
(125 MHz, D2O): δ = 24.8 (CH2), 33.8 (NCH3), 36.5 (CH2),
44.7 (CH2), 164.4 (COO−). 9b: 1H NMR (500 MHz, D2O):
δ = 1.89 – 1.92 (m, 2 H, CH2), 2.62 (s, 3 H, NCH3), 2.89 –
2.92 (t, J = 7.3 Hz, 2 H, CH2), 2.96 – 2.98 (t, J = 7.7 Hz,
2 H, CH2). – 13C NMR (125 MHz, D2O): δ = 26.4 (CH2),
33.1 (NCH3), 37.4 (CH2), 46.8 (CH2), 160.8 (HCO3−). –
C5H12N2O2 (132.16): ber. C 45.44, H 9.15, N 21.20; gef.
C 45.65, H 9.23, N 21.33.
Gemisch aus N-(2-Ammonioethyl)carbaminat (18a),
Ethylendiammonium-N-(2-carboxylatoaminoethyl)carb-
aminat (19a) und Ethylendiammonium-dihydrogencarbo-
nat (20a) aus 1,2-Diaminoethan (17a) und CO
2
Ausbeu◦te: 18.4 g (88 %); farbloser Feststoff; Schmp.
167 – 170 C. 18a: 1H NMR (500 MHz, D2O): δ = 3.03 –
3.05 (t, J = 5.9 Hz, 2 H, CH2), 3.29 – 3.31 (t, J = 5.6 Hz,
2 H, CH2). – 13C NMR (125 MHz, D2O): δ = 40.7 (CH2),
39.5 (CH2), 163.7 (COO−). 19a: 1H NMR (500 MHz,
D2O): δ = 2.97 (s, 4 H, CH2), 3.08 (s, 4 H, CH2). –
13C NMR (125 MHz, D2O): δ = 38.3 (CH2), 38.4 (CH2),
163.9 (COO−). 20a: 1H NMR (500 MHz, D2O): δ = 2.97
(s, 4 H, CH2). – 13C NMR (125 MHz, D2O): δ = 38.3
(CH2), 160.7 (HCO3−). – C3H8N2O2 (104.06): ber. C 34.61,
H 7.75, N 26.91; gef. C 33.88, H 7.75, N 26.63.
Gemisch aus N-(3-Ammoniopropyl)carbaminat (18b)
Propylendiammonium-N-(3-carboxy-latoaminopropyl)-
carbaminat (19b) und Propylendiammonium-dihydro-
Gemisch aus N-Methyl-N-(2-methylammonioethyl)-
carbaminat (11) und N, Nꢀ-Dimethyl-ethylendiammonium-
hydrogencarbonat (12) aus N,Nꢀ-Dimethylethylendi-
gencarbonat (20b) aus 1,3-Diaminopropan (17b) und CO
2
amin (10) und CO
2
Ausbeu◦te: 24.4 g (91 %); farbloser Feststoff; Schmp.
Ausbeute: 23.7 g (90 %); farbloser Feststoff; Schmp. 182 – 186 C. 18b: 1H NMR (500 MHz, D2O): δ = 1.79 –
150 – 155 ◦C. 11: 1H NMR (500 MHz, D2O): δ = 2.73 1.87 (m, 2 H, CH2), 3.00 – 3.03 (t, J = 7.2 Hz, 2 H, CH2),
(s, 3 H, NCH3), 2.85 (s, 3 H, NCH3), 3.18 – 3.21 (t, J = 3.13 – 3.15 (t, J = 6.5 Hz, 2 H, CH2). – 13C NMR (125 MHz,
5.6 Hz, 2 H, CH2), 3.53 – 3.56 (t, J = 5.6 Hz, 2 H, CH2). – D2O): δ = 27.9 (CH2), 36.9 (CH2), 37.5 (CH2), 164.7
13C NMR (125 MHz, D2O): δ = 32.9 (NCH3), 34.6 (NCH3), (COO−). 19b: 1H NMR (500 MHz, D2O): δ = 1.55 – 1.62
45.4 (CH2), 48.1 (CH2), 164.3 (COO−). 12: 1H NMR (m, 2 H, CH2), 1.89 – 1.90 (m, 2 H, CH2), 2.93 – 2.96 (m,
(500 MHz, D2O): δ = 2.56 (s, 6 H, NCH3), 3.04 (s, 4 H, 4 H, CH2), 3.03 – 3.08 (m, 4 H, CH2). – 13C NMR (125 MHz,
Unauthenticated
Download Date | 8/28/17 10:53 AM