-
1
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0000854142
-
-
For reviews, see: a
-
For reviews, see: a) D. Hoppe, T. Hense, Angew. Chem. 1997, 109, 2376-2410;
-
(1997)
Angew. Chem
, vol.109
, pp. 2376-2410
-
-
Hoppe, D.1
Hense, T.2
-
4
-
-
0037585195
-
Organolithiums in Enantioselective Synthesis
-
Ed, D. M. Hodgson, Springer, Berlin
-
c) D. Hoppe, F. Marr, M. Brüggemann, Organolithiums in Enantioselective Synthesis in Top. Organomet. Chem. (Ed.: D. M. Hodgson), Springer, Berlin, 2003, vol. 5, pp. 61-138;
-
(2003)
Top. Organomet. Chem
, vol.5
, pp. 61-138
-
-
Hoppe, D.1
Marr, F.2
Brüggemann, M.3
-
5
-
-
0842300569
-
Organolithiums in Enantioselective Synthesis
-
Ed, D. M. Hodgson, Springer, Berlin
-
d) P. Beak, T. A. Johnson, D. D. Kim, S. H. Lim, Organolithiums in Enantioselective Synthesis in Top. Organomet. Chem. (Ed.: D. M. Hodgson), Springer, Berlin, 2003, vol. 5, pp. 139-176;
-
(2003)
Top. Organomet. Chem
, vol.5
, pp. 139-176
-
-
Beak, P.1
Johnson, T.A.2
Kim, D.D.3
Lim, S.H.4
-
6
-
-
18844423506
-
-
Eds, Z. Rappoport, I. Marek, Wiley, Chichester
-
e) D. Hoppe, G. Christoph in The Chemistry of Organolithium Compounds (Eds.: Z. Rappoport, I. Marek), Wiley, Chichester, 2004, vol. 2, pp. 1055-1164.
-
(2004)
The Chemistry of Organolithium Compounds
, vol.2
, pp. 1055-1164
-
-
Hoppe, D.1
Christoph, G.2
-
7
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-
34447534117
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-
Recent examples: a D. Hoppe, M. Özlügedik, J. Kristensen, B. Wibbeling, R. Fröhlich, Eur. J. Org. Chem. 2002, 414-427;
-
Recent examples: a) D. Hoppe, M. Özlügedik, J. Kristensen, B. Wibbeling, R. Fröhlich, Eur. J. Org. Chem. 2002, 414-427;
-
-
-
-
8
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7044261570
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b) M. Seppi, R. Kalkofen, J. Reupohl, R. Fröhlich, D. Hoppe, Angew. Chem. 2004, 116, 1447-1451;
-
(2004)
Angew. Chem
, vol.116
, pp. 1447-1451
-
-
Seppi, M.1
Kalkofen, R.2
Reupohl, J.3
Fröhlich, R.4
Hoppe, D.5
-
9
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-
4544265506
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Angew. Chem. Int. Ed. 2004, 43, 1423-1427;
-
(2004)
Chem. Int. Ed
, vol.43
, pp. 1423-1427
-
-
Angew1
-
10
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12144287279
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c) J. Reuber, R. Fröhlich, D. Hoppe, Org. Lett. 2004, 6, 783-786;
-
(2004)
Org. Lett
, vol.6
, pp. 783-786
-
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Reuber, J.1
Fröhlich, R.2
Hoppe, D.3
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11
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33746592076
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d) R. Bou Chedid, R. Fröhlich, D. Hoppe, Org. Lett. 2006, 8, 3061-3064.
-
(2006)
Org. Lett
, vol.8
, pp. 3061-3064
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Bou Chedid, R.1
Fröhlich, R.2
Hoppe, D.3
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12
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34447534118
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J. Becker, S. Grimme, R. Fröhlich, D. Hoppe, Angew. Chem. 2007, 119, 1672-1676;
-
(2007)
Angew. Chem
, vol.119
, pp. 1672-1676
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Becker, J.1
Grimme, S.2
Fröhlich, R.3
Hoppe, D.4
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13
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34248226223
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Angew. Chem. Int. Ed. 2007, 46, 1645-1649.
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(2007)
Chem. Int. Ed
, vol.46
, pp. 1645-1649
-
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Angew1
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16
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17444431613
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N. Holub, J. Neidhöfer, S. Blechert, Org. Lett. 2005, 7, 1227-1229.
-
(2005)
Org. Lett
, vol.7
, pp. 1227-1229
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-
Holub, N.1
Neidhöfer, J.2
Blechert, S.3
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18
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0032706536
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G. A. Weisenburger, N. C. Faibish, D. J. Pippel, P. Beak, J. Am. Chem. Soc. 1999, 121, 9522-9530.
-
(1999)
J. Am. Chem. Soc
, vol.121
, pp. 9522-9530
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-
Weisenburger, G.A.1
Faibish, N.C.2
Pippel, D.J.3
Beak, P.4
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19
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34447564803
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For kinetic resolution of open-chained carbamates by nBuLi/(-)- sparteine (9) see: a) O. Zschage, J.-R. Schwark, D. Hoppe, Angew. Chem. 1990, 102, 336-337;
-
For kinetic resolution of open-chained carbamates by nBuLi/(-)- sparteine (9) see: a) O. Zschage, J.-R. Schwark, D. Hoppe, Angew. Chem. 1990, 102, 336-337;
-
-
-
-
21
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0026754759
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b) O. Zschage, J.-R. Schwark, T. Krämer, D. Hoppe, Tetrahedron 1992, 48, 8377-8388;
-
(1992)
Tetrahedron
, vol.48
, pp. 8377-8388
-
-
Zschage, O.1
Schwark, J.-R.2
Krämer, T.3
Hoppe, D.4
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22
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0026644342
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c) O. Zschage, J.-R. Schwark, T. Krämer, D. Hoppe, Tetrahedron 1992, 48, 8389-8392.
-
(1992)
Tetrahedron
, vol.48
, pp. 8389-8392
-
-
Zschage, O.1
Schwark, J.-R.2
Krämer, T.3
Hoppe, D.4
-
23
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0345469752
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-
For kinetic resolution of allyltitanium carbamates by chiral aldehydes, see: a
-
For kinetic resolution of allyltitanium carbamates by chiral aldehydes, see: a) R. W. Hoffmann, J. Lanz, R. Metternich, G. Tarara, D. Hoppe, Angew. Chem. 1987, 99, 1196-1197;
-
(1987)
Angew. Chem
, vol.99
, pp. 1196-1197
-
-
Hoffmann, R.W.1
Lanz, J.2
Metternich, R.3
Tarara, G.4
Hoppe, D.5
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25
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0008346631
-
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b) I. Berque, P. Le Ménez, P. Razon, C. Anies, A. Pancrazi, J. Ardisson, A. Neuman, T. Prangé, J.-D. Brion, Synlett 1998, 1132-1134;
-
(1998)
Synlett
, pp. 1132-1134
-
-
Berque, I.1
Le Ménez, P.2
Razon, P.3
Anies, C.4
Pancrazi, A.5
Ardisson, J.6
Neuman, A.7
Prangé, T.8
Brion, J.-D.9
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26
-
-
0008374094
-
-
c) I. Berque, P. Le Ménez, P. Razon, C. A. Pancrazi, J. Ardisson, J.-D. Brion, Synlett 1998, 1135-1137;
-
(1998)
Synlett
, pp. 1135-1137
-
-
Berque, I.1
Le Ménez, P.2
Razon, P.3
Pancrazi, C.A.4
Ardisson, J.5
Brion, J.-D.6
-
27
-
-
12344264925
-
-
d) P. Razon, S. Dhulut, S. Bezzenine-Lafollée, J. Courtieu, A. Pancrazi, J. Ardisson, Synthesis 2005, 102-108;
-
(2005)
Synthesis
, pp. 102-108
-
-
Razon, P.1
Dhulut, S.2
Bezzenine-Lafollée, S.3
Courtieu, J.4
Pancrazi, A.5
Ardisson, J.6
-
28
-
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34447548470
-
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application in total synthesis: E. de Lemos, F.-H. Porée, A. Commerçon, J.-F. Betzer, A. Pancrazi, J. Ardisson, Angew. Chem. 2007, 119, 1949-1953;
-
application in total synthesis: E. de Lemos, F.-H. Porée, A. Commerçon, J.-F. Betzer, A. Pancrazi, J. Ardisson, Angew. Chem. 2007, 119, 1949-1953;
-
-
-
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29
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34249672439
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[10d]
-
[10d]
-
-
-
-
30
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0024791574
-
-
a) T. Krämer, J.-R. Schwark, D. Hoppe, Tetrahedron Lett. 1989, 30, 7037-7040;
-
(1989)
Tetrahedron Lett
, vol.30
, pp. 7037-7040
-
-
Krämer, T.1
Schwark, J.-R.2
Hoppe, D.3
-
31
-
-
0030030150
-
-
b) H. Paulsen, C. Graeve, R. Fröhlich, D. Hoppe, Synthesis 1996, 1, 145-149.
-
(1996)
Synthesis
, vol.1
, pp. 145-149
-
-
Paulsen, H.1
Graeve, C.2
Fröhlich, R.3
Hoppe, D.4
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32
-
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34447545438
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-
Data sets were collected with a Nonius KappaCCD diffractometer. Programs used: data collection COLLECT (Nonius B. V., 1998),
-
Data sets were collected with a Nonius KappaCCD diffractometer. Programs used: data collection COLLECT (Nonius B. V., 1998),
-
-
-
-
33
-
-
0031059866
-
-
data reduction Denzo-SMN (Z. Otwinowski, W. Minor, Methods in Enzymology, 1997, 276, 307-326),
-
data reduction Denzo-SMN (Z. Otwinowski, W. Minor, Methods in Enzymology, 1997, 276, 307-326),
-
-
-
-
34
-
-
0038414570
-
-
absorption correction Denzo (Z. Otwinowski, D. Borek, W. Majewski, W. Minor, Acta Crystallogr. 2003, A59, 228-234),
-
absorption correction Denzo (Z. Otwinowski, D. Borek, W. Majewski, W. Minor, Acta Crystallogr. 2003, A59, 228-234),
-
-
-
-
35
-
-
84943920736
-
-
structure solution SHELXS-97 (G. M. Sheldrick, Acta Crystallogr. 1990, A46, 467-473), structure refinement SHELXL-97 (G. M. Sheldrick, University of Göttingen, 1997) , graphics SCHAKAL (E. Keller, University of Freiburg, 1997). CCDC-639293 to -639296 contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/ data_request/cif.
-
structure solution SHELXS-97 (G. M. Sheldrick, Acta Crystallogr. 1990, A46, 467-473), structure refinement SHELXL-97 (G. M. Sheldrick, University of Göttingen, 1997) , graphics SCHAKAL (E. Keller, University of Freiburg, 1997). CCDC-639293 to -639296 contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/ data_request/cif.
-
-
-
-
36
-
-
34447548469
-
-
X-ray crystal structure analysis for 12c: formula C 20H28BrNO3, M, 410.34, colorless crystal 0.10 x 0.05 x 0.03 mm, a, 7.465(1, b, 10.067(1, c, 27.851(1) Å, V, 2093.0(4) Å3, ρcalc, 1.302 g cm-3, μ, 2.810 mm-1, empirical absorption correction (0.766 ≤ T ≤ 0.921, Z, 4, orthorhombic, space group P212121 (No. 19, λ, 1.54178 Å, T, 223 K, ω and φ scans, 8000 reflections collected (±h, ±k, ±l, sinθ)/λ, 0.60 Å-1, 3039 independent (Rint, 0.060) and 2225 observed reflections [I ≥ 2 σ(I, 231 refined parameters, R, 0.056, wR 2, 0.114, Flack parameter -0.07(4, max. residual electron density 0.32, 0.26) e·A
-
-3, hydrogen atoms calculated and refined as riding atoms.
-
-
-
-
38
-
-
0000928950
-
-
a) D. Hoppe, T. Krämer, C. Freire Erdbrügger, E. Egert, Tetrahedron Lett. 1989, 30, 1233-1236;
-
(1989)
Tetrahedron Lett
, vol.30
, pp. 1233-1236
-
-
Hoppe, D.1
Krämer, T.2
Freire Erdbrügger, C.3
Egert, E.4
-
39
-
-
27544464237
-
-
b) S. Ünaldi, M. Özlügedik, R. Fröhlich, D. Hoppe, Adv. Synth. Catal. 2005, 347, 1621-1626.
-
(2005)
Adv. Synth. Catal
, vol.347
, pp. 1621-1626
-
-
Ünaldi, S.1
Özlügedik, M.2
Fröhlich, R.3
Hoppe, D.4
-
40
-
-
0042229312
-
-
H,H couplings see: Y. Chai, D. A. Vicic, M. C. McIntosh, Org Lett. 2003, 5, 1039-1042.
-
H,H couplings see: Y. Chai, D. A. Vicic, M. C. McIntosh, Org Lett. 2003, 5, 1039-1042.
-
-
-
-
41
-
-
34447554332
-
-
X-ray crystal structure analysis for ent-22b: formula C18H23BrO2, M, 351.27, colorless crystal 0.15 x 0.03 x 0.03 mm, a, 6.5993(1, b, 31.6292(6, c, 7.7836(1) Å, β, 90.256(1)°, V, 1624.66(4) Å3, ρcalc, 1.436 g cm-3, μ, 3.457 mm-1, empirical absorption correction (0.625 ≤ T ≤ 0.903, Z, 4, monoclinic, space group P21 (No. 4, λ, 1.54178 Å, T, 223 K, ω and φ scans, 6351 reflections collected (±h, ±k, ±l, sinθ)/λ, 0.60 Å-1, 4030 independent (Rint, 0.050) and 3832 observed reflections [I ≥ 2 σ(I, 385 refined parameters, R, 0.049, wR 2, 0.132, Flack parameter 0.03(3, max. residual electron density 0.97, 0.36) e·
-
-3, two almost identical molecules in the asymmetric unit, hydrogen atoms calculated and refined as riding atoms.
-
-
-
-
42
-
-
34447568104
-
-
X-ray crystal structure analysis for 22f: formula C 27H30O2, M, 386.51, colorless crystal 0.40 x 0.25 x 0.10 mm, a, 6.907(1, b, 8.946(1, c, 16.886(1) Å, β, 96.83(1)°, V, 1036.0(2) Å3, ρcalc, 1.239 g cm-3, μ, 0.590 mm-1, empirical absorption correction (0.798 ≤ T ≤ 0.943, Z, 2, monoclinic, space group P21 (No. 4, λ, 1.54178 Å, T, 223 K, ω and φ scans, 8144 reflections collected (±h, ±k, ±l, sinθ)/λ, 0.60 Å-1, 2652 independent (Rint, 0.030) and 2622 observed reflections [I ≥ 2 σ(I, 264 refined parameters, R, 0.035, wR 2, 0.093, Flack parameter 0.0(3, max. residual electron density 0.12, 0.11) e·Å
-
-3, hydrogen atoms calculated and refined as riding atoms.
-
-
-
-
43
-
-
34447556571
-
-
19] X-ray crystal structure analysis for 22g: formula C 27H30O2, M, 386.51, colorless crystal 0.20 x 0.20 x 0.15 mm, a, 6.479(1, b, 8.790(1, c, 18.784(1) Å, β, 98.24(1)°, V, 1058.7(2) Å3, ρcalcd, 1-212 g cm-3, μ, 0.577 mm-1, empirical absorption correction (0.893 ≤ T ≤ 0.918, Z, 2, monoclinic, space group P21 (No. 4, λ, 1.54178 Å, T, 223 K, ω and φ scans, 11912 reflections collected (±h, ±k, ±l, sinθ)/λ, 0.60 Å-1, 3613 independent (Rint, 0.048) and 3226 observed reflections [I ≥ 2 σ(I, 264 refined parameters, R, 0.070, wR 2, 0.190, Flack parameter -0.4(5, max. residual electron density 0.13, 0.15) e·Å
-
-3, hydrogen atoms calculated and refined as riding atoms.
-
-
-
-
44
-
-
34447559472
-
-
following article
-
J. Becker, R. Fröhlich, O. Kataeva, D. Hoppe, Eur. J. Org. Chem. 2007, 3349-3364, following article.
-
(2007)
Eur. J. Org. Chem
, pp. 3349-3364
-
-
Becker, J.1
Fröhlich, R.2
Kataeva, O.3
Hoppe, D.4
-
45
-
-
33845280542
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-
C. Benson, P. Cai, M. Colon, M. A. Haiza, M. Tokles, J. K. Snyder, J. Org. Chem. 1988, 53, 5335-5341.
-
(1988)
J. Org. Chem
, vol.53
, pp. 5335-5341
-
-
Benson, C.1
Cai, P.2
Colon, M.3
Haiza, M.A.4
Tokles, M.5
Snyder, J.K.6
-
47
-
-
0000898481
-
-
D. Hoppe, R. Hanko, A. Brönneke, F. Lichtenberg, E. van Hülsen, Chem. Ber. 1985, 118, 2822-2851.
-
(1985)
Chem. Ber
, vol.118
, pp. 2822-2851
-
-
Hoppe, D.1
Hanko, R.2
Brönneke, A.3
Lichtenberg, F.4
van Hülsen, E.5
-
48
-
-
34447566838
-
-
Samples of the crystalline product had 23% ee (HPLC), the oily residue had 94% ee (HPLC).
-
Samples of the crystalline product had 23% ee (HPLC), the oily residue had 94% ee (HPLC).
-
-
-
-
49
-
-
34447555561
-
-
4 by atmospheric moisture.
-
4 by atmospheric moisture.
-
-
-
-
50
-
-
34447578567
-
-
In order to remove all traces of the liberated stannanes the crude products were purified two times by flash column chromatography
-
In order to remove all traces of the liberated stannanes the crude products were purified two times by flash column chromatography.
-
-
-
-
51
-
-
34447576354
-
-
The diastereomeric ratio was determined from the crude products by GC (HP-5).
-
The diastereomeric ratio was determined from the crude products by GC (HP-5).
-
-
-
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