Imine 4a
NHN
O
IR (KBr)
1H NMR: CDCl3
1.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.5 ppm
1.948
3.519
3.537
3.556
3.575
3.670
3.689
3.707
7.272
7.390
7.398
7.407
7.413
7.508
7.689
7.698
7.714
7.720
7.835
7.840
8.275
0.097
3.121
2.249
1.977
0.922
3.067
0.418
1.953
0.380
1.000
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
13C NMR: CDCl3
DEPT
180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm
23.108
40.190
60.173
76.570
76.994
77.418
127.998
128.520
128.848
129.583
130.810
135.642
162.713
170.193
180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm
23.660
40.742
60.725
128.548
129.071
129.398
130.133
131.360
163.263
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
Imine 4b
NHN
OHO
IR (KBr):
1H NMR: CDCl3
2.02.53.03.54.04.55.05.56.06.57.07.58.08.5 ppm
1.962
3.527
3.546
3.564
3.641
3.661
3.678
3.684
3.708
6.247
6.845
6.873
7.274
7.546
7.575
8.174
3.378
2.047
2.593
1.105
1.777
0.196
1.931
1.000
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
13C NMR: CDCl3
DEPT
102030405060708090100110120130140150160170180190 ppm
23.163
40.431
59.898
76.561
76.986
77.409
115.808
127.135
129.992
160.142
162.893
170.571
102030405060708090100110120130140150160170180190 ppm
23.659
40.928
60.394
116.304
130.489
163.387
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
Imine 4c
NHN
OMeO
IR (KBr)
1H NMR: CDCl3
9.0 8.5 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 ppm
1.819
1.994
3.489
3.549
3.567
3.586
3.604
3.671
3.689
3.706
3.709
3.862
3.905
6.934
6.940
6.963
7.276
7.669
7.676
7.698
8.246
0.137
1.411
3.272
2.437
2.039
3.019
0.948
1.946
0.464
1.924
1.000
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
13C NMR: CDCl3
DEPT
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
Imine 4d
NHN
OMeOOC
IR (KBr)
1H NMR: CDCl3
9.5 9.0 8.5 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 ppm
1.647
1.861
1.968
2.026
2.075
2.286
2.363
2.446
3.388
3.528
3.537
3.553
3.583
3.611
3.700
3.720
3.727
3.733
3.757
3.801
3.865
3.883
3.890
3.908
3.936
3.992
4.015
4.273
4.486
6.082
7.262
7.703
7.745
7.753
7.778
7.787
7.900
7.933
7.942
7.970
7.998
8.035
8.043
8.068
8.077
8.149
8.190
8.300
8.328
3.00
2.14
2.03
3.30
0.92
2.02
2.24
1.06
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
13C NMR: CDCl3
DEPT
102030405060708090100110120130140150160170180190200 ppm
23.715
40.654
52.716
60.920
77.060
77.484
77.908
128.424
130.286
132.421
140.051
162.219
166.965
170.667
200 180 160 140 120 100 80 60 40 20 0 ppm
23.715
40.656
52.715
60.921
128.424
130.285
162.215
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
Amine 5a
NH
NH2
COOH
2 HCl
IR (KBr)
1H NMR: D2O
1.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.5 ppm
3.187
3.214
3.240
3.249
3.262
3.269
3.285
3.290
3.295
3.306
3.332
4.691
4.938
7.366
7.376
7.388
7.394
7.404
7.409
7.417
7.424
7.434
7.442
4.132
1.027
5.000
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
13C NMR:D2O
DEPT
102030405060708090100110120130140150160170180190200 ppm
35.790
43.131
64.943
129.015
130.189
130.418
131.065
170.917
2030405060708090100110120130140150160170180 ppm
35.793
43.135
64.948
129.019
130.193
131.071
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
Amine 5b
NH
NH2
COOH
2 HClHO
IR (KBr)
1H RMN: D2O
2.53.03.54.04.55.05.56.06.57.07.58.08.5 ppm
3.253
3.269
3.287
4.685
4.872
6.869
6.897
7.254
7.282
4.099
13.096
1.290
1.990
2.000
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
13C RMN: D2O
DEPT
2030405060708090100110120130140150160170180190 ppm
35.851
42.911
64.583
116.874
122.135
130.937
157.887
171.299
200 180 160 140 120 100 80 60 40 20 0 ppm
35.846
42.911
64.584
116.873
130.938
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
Amine 5c
NH
NH2
COOH
2 HClMeO
IR (KBr)
1H NMR:D2O
9 8 7 6 5 4 3 2 1 ppm
3.145
3.163
3.191
3.196
3.202
3.204
3.206
3.210
3.226
3.235
3.249
3.257
3.271
3.275
3.303
3.323
3.326
3.729
4.939
6.960
6.990
7.308
7.337
4.723
2.998
22.474
1.103
2.010
2.000
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
13C NMR:D2O
DEPT
200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm
22.184
35.871
42.956
55.893
64.325
115.510
115.581
122.505
130.804
160.955
171.024
210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm
35.865
42.952
55.885
64.319
115.507
115.576
130.802
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
Amine 5d
NH
NH2
COOH
2 HClHOOC
IR (KBr)
1H NMR: D2O
9.5 9.0 8.5 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 ppm
3.114
3.143
3.180
3.193
3.208
3.218
3.233
3.243
3.262
3.298
3.328
4.635
4.741
4.842
7.410
7.452
7.915
7.957
0.27
4.00
23.25
1.24
1.84
1.90
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
13C NMR: D2O
DEPT
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
Aminoacid 1a
NHHOOC
HNCOOH
HO
IR (KBr)
1H NMR: D2O/Na2CO3
1.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.5 ppm
2.585
2.605
2.626
2.638
2.657
2.677
2.694
2.711
2.733
2.752
2.795
2.828
4.066
4.078
4.426
4.776
6.705
6.732
6.765
6.768
7.104
7.136
7.141
7.167
7.279
7.288
7.300
7.310
7.320
7.341
4.000
1.095
0.899
2.043
2.124
5.091
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
13C NMR: D2O/Na2CO3
DEPT
200 180 160 140 120 100 80 60 40 20 0 ppm
44.905
45.166
45.408
45.599
64.525
64.695
67.473
117.417
118.379
118.513
123.288
127.430
127.519
127.854
128.874
129.639
129.688
129.788
139.500
158.483
158.688
164.317
177.101
179.442
200 180 160 140 120 100 80 60 40 20 0 ppm
44.782
45.055
45.295
45.491
64.359
64.543
67.407
117.365
118.316
118.448
127.359
127.455
127.826
128.834
129.633
129.685
129.744
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
ESI-MS Amino acids 1b
NHHOOC
HNCOOH
HO
HO
IR (KBr)
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
1H NMR: D2O/Na2CO3
13C NMR: D2O/Na2CO3
1.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.0 ppm
2.569
2.586
2.617
2.654
2.678
2.701
2.728
2.744
2.767
2.781
2.798
3.942
3.962
4.353
4.407
6.577
6.603
6.669
6.694
6.708
6.735
7.005
7.035
7.072
7.097
7.124
7.149
4.000
0.330
0.887
1.323
30.512
0.127
4.248
4.258
2030405060708090100110120130140150160170180190 ppm
38.325
38.574
38.750
38.895
57.743
60.541
111.251
111.505
111.861
117.299
119.332
120.196
122.687
123.117
150.844
152.879
156.185
160.001
170.939
173.737
186.965
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
DEPT
ESI-MS
180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm
38.338
38.578
38.747
38.898
57.652
57.795
60.394
111.356
111.437
111.625
111.735
122.601
122.682
123.275
123.341
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
Aminoacid 1c
NHHOOC
HNCOOH
HO
MeO
IR (KBr)
1H NMR: D2O/Na2CO3
1.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.5 ppm
2.676
2.703
2.719
2.768
3.796
4.093
4.111
4.373
4.460
6.758
6.799
6.820
6.857
6.924
6.963
7.144
7.177
7.215
7.249
7.285
2.77
3.06
0.84
0.95
15.00
0.06
4.32
4.00
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
13C NMR: D2O/Na2CO3
DEPT
210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm
44.563
44.807
45.192
45.389
55.545
64.462
64.611
66.645
114.348
116.527
117.275
118.851
123.046
128.507
128.906
128.991
129.778
129.977
131.480
131.737
158.480
163.157
176.855
179.005
210 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm
3.575
44.467
44.727
45.114
45.325
64.345
64.503
66.591
114.307
117.237
118.828
128.870
128.959
129.777
129.953
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
ESI-MS
Aminoacids 1d
NHHOOC
HNCOOH
HO
HOOC
IR (KBr)
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
1H NMR: D2O/Na2CO3
13C NMR: D2O/Na2CO3
1.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.5 ppm
2.486
2.509
2.541
2.594
2.648
2.692
4.018
4.033
4.278
4.336
6.612
6.638
6.662
6.973
6.998
7.073
7.223
7.247
7.667
7.693
4.000
1.083
0.902
53.350
2.068
4.569
2.263
200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm
45.040
45.636
45.265
45.772
64.662
67.492
117.724
118.688
123.718
127.501
127.599
129.585
130.121
135.818
142.983
158.937
175.774
177.298
179.476
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
DEPT
ESI-MS
190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 ppm
45.277
45.767
64.534
64.649
67.532
117.717
118.579
118.685
127.495
127.590
129.372
129.578
130.120
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012