-
2
-
-
0033612205
-
-
Spencer, R. P.; Cavalloro, C. L.; Schwartz, J. J. Org. Chem. 1999, 64, 3987.
-
(1999)
J. Org. Chem
, vol.64
, pp. 3987
-
-
Spencer, R.P.1
Cavalloro, C.L.2
Schwartz, J.3
-
3
-
-
85033808230
-
-
Qian, Y.; Li, G.; Zheng, X.; Huang, Y. Z. Synlett 1991, 489.
-
(1991)
Synlett
, pp. 489
-
-
Qian, Y.1
Li, G.2
Zheng, X.3
Huang, Y.Z.4
-
4
-
-
0028915459
-
-
Zhang, Y.; Yu, Y.; Bao, W. Synth. Commun. 1995, 25, 1825.
-
(1995)
Synth. Commun
, vol.25
, pp. 1825
-
-
Zhang, Y.1
Yu, Y.2
Bao, W.3
-
6
-
-
0042468148
-
-
(a) Gansäuer, A.; Lauterbach, T.; Narayan, S. Angew. Chem. Int. Ed. 2003, 42, 3687.
-
(2003)
Angew. Chem. Int. Ed
, vol.42
, pp. 3687
-
-
Gansäuer, A.1
Lauterbach, T.2
Narayan, S.3
-
8
-
-
0032539234
-
-
(c) Gansäuer, A.; Bluhm, H.; Pierobon, M. J. Am. Chem. Soc. 1998, 120, 12849.
-
(1998)
J. Am. Chem. Soc
, vol.120
, pp. 12849
-
-
Gansäuer, A.1
Bluhm, H.2
Pierobon, M.3
-
10
-
-
12344300627
-
-
(a) Jana, S.; Guin, C.; Roy, S. C. Tetrahedron Lett. 2005, 46, 1155.
-
(2005)
Tetrahedron Lett
, vol.46
, pp. 1155
-
-
Jana, S.1
Guin, C.2
Roy, S.C.3
-
11
-
-
4644323561
-
-
(b) Hersant, G.; Ferjani, M. B. S.; Bennett, S. M. Tetrahedron Lett. 2004, 45, 8123.
-
(2004)
Tetrahedron Lett
, vol.45
, pp. 8123
-
-
Hersant, G.1
Ferjani, M.B.S.2
Bennett, S.M.3
-
12
-
-
9644278032
-
-
(a) Fernández-Mateos, A.; Mateos Burón, L.; Martín de la Nava, E. M.; Rabanedo Clemente, R.; Rubio González, R.; Sanz González, F. Synlett 2004, 2553.
-
(2004)
Synlett
, pp. 2553
-
-
Fernández-Mateos, A.1
Mateos Burón, L.2
Martín de la Nava, E.M.3
Rabanedo Clemente, R.4
Rubio González, R.5
Sanz González, F.6
-
13
-
-
0041849812
-
-
(b) Fernández-Mateos, A.; Martín de la Nava, E. M.; Pascual Coca, G.; Ramos Silvo, A.; Rubio González, R. Org. Lett. 1999, 1, 607.
-
(1999)
Org. Lett
, vol.1
, pp. 607
-
-
Fernández-Mateos, A.1
Martín de la Nava, E.M.2
Pascual Coca, G.3
Ramos Silvo, A.4
Rubio González, R.5
-
14
-
-
7044281790
-
-
Fernández-Mateos, A.; Mateos Burón, L.; Rabanedo Clemente, R.; Ramos Silvo, A. I.; Rubio González, R. Synlett 2004, 1011.
-
(2004)
Synlett
, pp. 1011
-
-
Fernández-Mateos, A.1
Mateos Burón, L.2
Rabanedo Clemente, R.3
Ramos Silvo, A.I.4
Rubio González, R.5
-
15
-
-
0037111807
-
-
(a) Ruano, G.; Grande, M.; Anaya, J. J. Org. Chem. 2002, 67, 8243.
-
(2002)
J. Org. Chem
, vol.67
, pp. 8243
-
-
Ruano, G.1
Grande, M.2
Anaya, J.3
-
16
-
-
0242515854
-
-
(b) Ruano, G.; Martiáñez, J.; Grande, M.; Anaya, J. J. Org. Chem. 2003, 68, 2024.
-
(2003)
J. Org. Chem
, vol.68
, pp. 2024
-
-
Ruano, G.1
Martiáñez, J.2
Grande, M.3
Anaya, J.4
-
17
-
-
0037421138
-
-
(c) Anaya, J.; Fernández-Mateos, A.; Grande, M.; Martiáñez, J.; Ruano, G.; Rubio-González, M. R. Tetrahedron 2003, 59, 241.
-
(2003)
Tetrahedron
, vol.59
, pp. 241
-
-
Anaya, J.1
Fernández-Mateos, A.2
Grande, M.3
Martiáñez, J.4
Ruano, G.5
Rubio-González, M.R.6
-
18
-
-
33847335008
-
-
Monleón, L. M.; Grande, M.; Anaya, J. Tetrahedron 2007, 63, 3017.
-
(2007)
Tetrahedron
, vol.63
, pp. 3017
-
-
Monleón, L.M.1
Grande, M.2
Anaya, J.3
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34249815935
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10b This will be described elsewhere. (Chemical Equation Presented)
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10b This will be described elsewhere. (Chemical Equation Presented)
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20
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34249808005
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4) and concentrated in vacuo. The crude material obtained was purified by column chromatography on silica gel.
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4) and concentrated in vacuo. The crude material obtained was purified by column chromatography on silica gel.
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21
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34249823156
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All these compounds are racemic mixtures but only one stereoisomer is depicted for simplicity. The C3, C4- or C5-configuration for bi- or tricyclic β-lactams is based on spectroscopic data and the configuration proposed for the starting material. This will be described elsewhere. Selected Data for Cyclization Products Carbapenem 2: Rf= 0.50 (7:3 benzene-EtOAc, IR (neat, v, 3500, 1774, 1755 cm -1. 1H NMR (400 MHz, CDC13, δ= 1.12(3 H, s, 1.53 (3 H, s, 1.21 (3 H, d, J, 7.1 Hz, 2.73 (1 H, dq, J, 7.1, 8.7 Hz, 3.52 (3 H, s, 3.62(1 H, dd, J, 4.0, 8.7 Hz, 4.68(1 H, d, J, 4.0 Hz, 13C NMR 100 MHz, CDCl3, δ, 12.5, 21.0, 23.4, 41.0, 58.9, 59.1, 64.4, 83.4, 170.9, 218.0. HRMS-FAB: m/z calcd for C10H15NO3Na [M, 23, 220.0944; found: 220.0949. Benzocarbacephem 5: Rf
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+ + 23]: 250.1055; found: 250.1050.
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34249827061
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Conformational minima derived from analysis with CS Chem3D Pro 5.0(1999) software (CambridgeSoft Co. Cambridge, MA) using MM2 calculations.
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Conformational minima derived from analysis with CS Chem3D Pro 5.0(1999) software (CambridgeSoft Co. Cambridge, MA) using MM2 calculations.
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23
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0024319114
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Neu, H. C.; Novelli, A.; Chin, N. Antimicrob. Agents Chemother. 1989, 33, 1009.
-
(1989)
Antimicrob. Agents Chemother
, vol.33
, pp. 1009
-
-
Neu, H.C.1
Novelli, A.2
Chin, N.3
-
25
-
-
0034604670
-
-
(b) Gómez-Gallego, M.; Manchedo, M. J.; Sierra, M. A. Tetrahedron 2000, 56, 5743.
-
(2000)
Tetrahedron
, vol.56
, pp. 5743
-
-
Gómez-Gallego, M.1
Manchedo, M.J.2
Sierra, M.A.3
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