-
8
-
-
70349742473
-
-
X. H. Chen, Q. Wei, S. W. Luo, H. Xiao, L. Z. Gong, J. Am. Chem. Soc. 2009, 131, 13819
-
(2009)
J. Am. Chem. Soc.
, vol.131
, pp. 13819
-
-
Chen, X.H.1
Wei, Q.2
Luo, S.W.3
Xiao, H.4
Gong, L.Z.5
-
9
-
-
77956042533
-
-
A. P. Antonchick, C. Gerding-Reimers, M. Catarinella, M. Schurmann, H. Preut, S. Ziegler, D. Raush, H. Waldmann, Nat. Chem. 2010, 2, 735.
-
(2010)
Nat. Chem.
, vol.2
, pp. 735
-
-
Antonchick, A.P.1
Gerding-Reimers, C.2
Catarinella, M.3
Schurmann, M.4
Preut, H.5
Ziegler, S.6
Raush, D.7
Waldmann, H.8
-
14
-
-
79951980472
-
-
(Hoffman-La Roche AG), PCT Int. Appl. WO 2008/055812
-
J.-J. Liu, Z. Zhang, (Hoffman-La Roche AG), PCT Int. Appl. WO 2008/055812, 2008.
-
(2008)
-
-
Liu, J.-J.1
Zhang, Z.2
-
16
-
-
0033577262
-
-
S. Edmondson, S. J. Danishefsky, L. Sepp-Lorenzino, N. Rosen, J. Am. Chem. Soc. 1999, 121, 2147
-
(1999)
J. Am. Chem. Soc.
, vol.121
, pp. 2147
-
-
Edmondson, S.1
Danishefsky, S.J.2
Sepp-Lorenzino, L.3
Rosen, N.4
-
17
-
-
35348943329
-
-
B. M. Trost, N. Cramer, S. M. Silverman, J. Am. Chem. Soc. 2007, 129, 12396
-
(2007)
J. Am. Chem. Soc.
, vol.129
, pp. 12396
-
-
Trost, B.M.1
Cramer, N.2
Silverman, S.M.3
-
18
-
-
33947389932
-
-
B. M. Trost, N. Cramer, H. Bernsmann, J. Am. Chem. Soc. 2007, 129, 3086
-
(2007)
J. Am. Chem. Soc.
, vol.129
, pp. 3086
-
-
Trost, B.M.1
Cramer, N.2
Bernsmann, H.3
-
20
-
-
33846842437
-
-
A. K. Franz, P. D. Dreyfuss, S. L. Schreiber, J. Am. Chem. Soc. 2007, 129, 1020.
-
(2007)
J. Am. Chem. Soc.
, vol.129
, pp. 1020
-
-
Franz, A.K.1
Dreyfuss, P.D.2
Schreiber, S.L.3
-
21
-
-
70349784950
-
-
G. Bencivenni, L.-Y. Wu, A. Mazzanti, B. Giannichi, F. Pesciaioli, M.-P. Song, G. Bartoli, P. Melchiorre, Angew. Chem. 2009, 121, 7336
-
(2009)
Angew. Chem.
, vol.121
, pp. 7336
-
-
Bencivenni, G.1
Wu, L.-Y.2
Mazzanti, A.3
Giannichi, B.4
Pesciaioli, F.5
Song, M.-P.6
Bartoli, G.7
Melchiorre, P.8
-
23
-
-
67650466820
-
-
F.-L. Zhang, A.-W. Xu, Y.-F. Gong, M.-H. Wei, X.-L. Yang, Chem. Eur. J. 2009, 15, 6815.
-
(2009)
Chem. Eur. J.
, vol.15
, pp. 6815
-
-
Zhang, F.-L.1
Xu, A.-W.2
Gong, Y.-F.3
Wei, M.-H.4
Yang, X.-L.5
-
26
-
-
77953878420
-
-
F. Pesciaioli, X. Tian, G. Bencivenni, G. Bartoli, P. Melchiorre, Synlett 2010, 1704
-
(2010)
Synlett
, pp. 1704
-
-
Pesciaioli, F.1
Tian, X.2
Bencivenni, G.3
Bartoli, G.4
Melchiorre, P.5
-
27
-
-
68349101812
-
-
P. Galzerano, G. Bencivenni, F. Pesciaioli, A. Mazzanti, B. Giannichi, L. Sambri, G. Bartoli, P. Melchiorre, Chem. Eur. J. 2009, 15, 7846
-
(2009)
Chem. Eur. J.
, vol.15
, pp. 7846
-
-
Galzerano, P.1
Bencivenni, G.2
Pesciaioli, F.3
Mazzanti, A.4
Giannichi, B.5
Sambri, L.6
Bartoli, G.7
Melchiorre, P.8
-
28
-
-
67649600829
-
-
T. Bui, S. Syed, C. F. Barbas III, J. Am. Chem. Soc. 2009, 131, 8758
-
(2009)
J. Am. Chem. Soc.
, vol.131
, pp. 8758
-
-
Bui, T.1
Syed, S.2
Iii, F.B.C.3
-
29
-
-
54049101193
-
-
X. Tian, K. Jiang, J. Peng, W. Du, Y.-C. Chen, Org. Lett. 2010, 10, 3583
-
(2010)
Org. Lett.
, vol.10
, pp. 3583
-
-
Tian, X.1
Jiang, K.2
Peng, J.3
Du, W.4
Chen, Y.-C.5
-
30
-
-
53849084173
-
-
S. Ogawa, N. Shibata, J. Inagaki, S. Nakamura, T. Toru, M. Shiro, Angew. Chem. 2007, 119, 8820
-
(2007)
Angew. Chem.
, vol.119
, pp. 8820
-
-
Ogawa, S.1
Shibata, N.2
Inagaki, J.3
Nakamura, S.4
Toru, T.5
Shiro, M.6
-
35
-
-
79951983272
-
-
PCT Int. Appl. WO 2004/037247
-
Y. He, T. Jiang, K. L. Kuhen, D. A. Ellis, B. Wu, T. Y.-H. Wu, B. Bursulaya, PCT Int. Appl. WO 2004/037247, 2004
-
(2004)
-
-
He, Y.1
Jiang, T.2
Kuhen, K.L.3
Ellis, D.A.4
Wu, B.5
Wu, T.Y.-H.6
Bursulaya, B.7
-
37
-
-
33845683453
-
-
S. R. Yong, A. T. Ung, S. G. Pyne, B. W. Skelton, A. H. White, Tetrahedron 2007, 63, 1191
-
(2007)
Tetrahedron
, vol.63
, pp. 1191
-
-
Yong, S.R.1
Ung, A.T.2
Pyne, S.G.3
Skelton, B.W.4
White, A.H.5
-
38
-
-
77649189280
-
-
H. Yu, Y. Liu, H. Zhang, J. Chen, H. Deng, M. Shao, Z. Ren, W. Cao, Tetrahedron 2010, 66, 2598
-
(2010)
Tetrahedron
, vol.66
, pp. 2598
-
-
Yu, H.1
Liu, Y.2
Zhang, H.3
Chen, J.4
Deng, H.5
Shao, M.6
Ren, Z.7
Cao, W.8
-
40
-
-
79951989560
-
-
For interesting reviews on cyclopropanation reactions, see
-
For interesting reviews on cyclopropanation reactions, see
-
-
-
-
44
-
-
0038222536
-
-
H. Lebel, J. F. Marcoux, C. Molinaro, A. B. Charette, Chem. Rev. 2003, 103, 977
-
(2003)
Chem. Rev.
, vol.103
, pp. 977
-
-
Lebel, H.1
Marcoux, J.F.2
Molinaro, C.3
Charette, A.B.4
-
50
-
-
0035185185
-
-
Y. Nishii, N. Maruyama, K. Waskasugi, Y. Tanabe, Bioorg. Med. Chem. 2001, 9, 33
-
(2001)
Bioorg. Med. Chem.
, vol.9
, pp. 33
-
-
Nishii, Y.1
Maruyama, N.2
Waskasugi, K.3
Tanabe, Y.4
-
54
-
-
79951966578
-
-
For selected examples of enantioselective organocatalytic cyclopropanation reactions, see
-
For selected examples of enantioselective organocatalytic cyclopropanation reactions, see
-
-
-
-
55
-
-
77954340273
-
-
V. Terrasson, A. van der Lee, R. M. de Figueiredo, J. M. Campagne, Chem. Eur. J. 2010, 16, 7875
-
(2010)
Chem. Eur. J.
, vol.16
, pp. 7875
-
-
Terrasson, V.1
Van Der Lee, A.2
De Figueiredo, R.M.3
Campagne, J.M.4
-
57
-
-
34447533890
-
-
R. Rios, H. Sundén, J. Veseley, G.-L. Zhao, P. Dziedzic, A. Cordova, Adv. Synth. Catal. 2007, 349, 1028
-
(2007)
Adv. Synth. Catal.
, vol.349
, pp. 1028
-
-
Rios, R.1
Sundén, H.2
Veseley, J.3
Zhao, G.-L.4
Dziedzic, P.5
Cordova, A.6
-
58
-
-
34848814187
-
-
H. Xie, L. Zu, H. Li, J. Wang, W. Wang, J. Am. Chem. Soc. 2007, 129, 10886
-
(2007)
J. Am. Chem. Soc.
, vol.129
, pp. 10886
-
-
Xie, H.1
Zu, L.2
Li, H.3
Wang, J.4
Wang, W.5
-
60
-
-
34250634084
-
-
C. C. C. Johansson, N. Bremeyer, S. V. Ley, D. R. Owen, S. C. Smith, M. J. Gaunt, Angew. Chem. 2006, 118, 6170
-
(2006)
Angew. Chem.
, vol.118
, pp. 6170
-
-
Johansson, C.C.C.1
Bremeyer, N.2
Ley, S.V.3
Owen, D.R.4
Smith, S.C.5
Gaunt, M.J.6
-
63
-
-
5344270124
-
-
N. Bremeyer, S. C. Smith, S. V. Ley, M. J. Gaunt, Angew. Chem. 2004, 116, 2735
-
(2004)
Angew. Chem.
, vol.116
, pp. 2735
-
-
Bremeyer, N.1
Smith, S.C.2
Ley, S.V.3
Gaunt, M.J.4
-
65
-
-
6044272653
-
-
C. D. Papageorgiou, M. A. Cubillo de Dios, S. V. Ley, M. J. Gaunt, Angew. Chem. 2004, 116, 4741
-
(2004)
Angew. Chem.
, vol.116
, pp. 4741
-
-
Papageorgiou, C.D.1
De Dios, M.A.C.2
Ley, S.V.3
Gaunt, M.J.4
-
67
-
-
4544285994
-
-
C. D. Papageorgiou, S. V. Ley, M. J. Gaunt, Angew. Chem. 2003, 115, 852
-
(2003)
Angew. Chem.
, vol.115
, pp. 852
-
-
Papageorgiou, C.D.1
Ley, S.V.2
Gaunt, M.J.3
-
69
-
-
33749008198
-
-
S. H. McCooey, T. McCabe, S. J. Connon, J. Org. Chem. 2006, 71, 7494
-
(2006)
J. Org. Chem.
, vol.71
, pp. 7494
-
-
McCooey, S.H.1
McCabe, T.2
Connon, S.J.3
-
70
-
-
64349116913
-
-
Y.-N. Xuan, S.-Z. Nie, L.-T. Dong, J.-M. Zhang, M. Yan, Org. Lett. 2009, 11, 1583
-
(2009)
Org. Lett.
, vol.11
, pp. 1583
-
-
Xuan, Y.-N.1
Nie, S.-Z.2
Dong, L.-T.3
Zhang, J.-M.4
Yan, M.5
-
71
-
-
56649091381
-
-
R. Fan, Y. Ye, W. Li, L. Wang, Adv. Synth. Catal. 2008, 350, 2488
-
(2008)
Adv. Synth. Catal.
, vol.350
, pp. 2488
-
-
Fan, R.1
Ye, Y.2
Li, W.3
Wang, L.4
-
72
-
-
77953098576
-
-
references therein
-
S. L. Riches, C. Saha, N. Fonta'n Filgueira, E. Grange, E. M. McGarrigle, V. K. Aggarwal, J. Am. Chem. Soc. 2010, 132, 7626 and references therein.
-
(2010)
J. Am. Chem. Soc.
, vol.132
, pp. 7626
-
-
Riches, S.L.1
Saha, C.2
Fonta'N Filgueira, N.3
Grange, E.4
McGarrigle, E.M.5
Aggarwal, V.K.6
-
73
-
-
79951987596
-
-
For recent reviews, see
-
For recent reviews, see
-
-
-
-
74
-
-
77649087999
-
-
C. Grondal, M. Jeanty, D. Enders, Nat. Chem., 2010, 2, 167
-
(2010)
Nat. Chem.
, vol.2
, pp. 167
-
-
Grondal, C.1
Jeanty, M.2
Enders, D.3
-
75
-
-
34250678999
-
-
D. Enders, C. Grondal, M. R. M. Hüttl, Angew. Chem. 2007, 119, 1590
-
(2007)
Angew. Chem.
, vol.119
, pp. 1590
-
-
Enders, D.1
Grondal, C.2
Hüttl, M.R.M.3
-
78
-
-
33847207721
-
-
K. C. Nicolaou, D. J. Edmonds, P. G. Bulger, Angew. Chem. 2006, 118, 7292
-
(2006)
Angew. Chem.
, vol.118
, pp. 7292
-
-
Nicolaou, K.C.1
Edmonds, D.J.2
Bulger, P.G.3
-
80
-
-
33746323982
-
-
T. Inokuma, Y. Hoashi, Y. Takemoto, J. Am. Chem. Soc. 2006, 128, 9413
-
(2006)
J. Am. Chem. Soc.
, vol.128
, pp. 9413
-
-
Inokuma, T.1
Hoashi, Y.2
Takemoto, Y.3
-
85
-
-
0000245921
-
-
R. Ballini, G. Bosica, D. Fiorini, M. Gil, M. Petrini, Org. Lett. 2001, 3, 1265.
-
(2001)
Org. Lett.
, vol.3
, pp. 1265
-
-
Ballini, R.1
Bosica, G.2
Fiorini, D.3
Gil, M.4
Petrini, M.5
-
86
-
-
79951991039
-
-
For a detailed screening of the reaction conditions, including those of unprotected oxindoles with catalysts 1a-1c, see the Supporting Information
-
For a detailed screening of the reaction conditions, including those of unprotected oxindoles with catalysts 1a-1c, see the Supporting Information.
-
-
-
-
87
-
-
19544393388
-
-
B. Vakulya, S. Varga, A. Csampai, T. Soós, Org. Lett. 2005, 7, 1967
-
(2005)
Org. Lett.
, vol.7
, pp. 1967
-
-
Vakulya, B.1
Varga, S.2
Csampai, A.3
Soós, T.4
-
88
-
-
43449135616
-
-
for a comprehensive review on the cinchona alkaloids as organocatalysts, see
-
B. Vakulya, S. Varga, T. Soós, J. Org. Chem. 2008, 73, 3475; for a comprehensive review on the cinchona alkaloids as organocatalysts, see
-
(2008)
J. Org. Chem.
, vol.73
, pp. 3475
-
-
Vakulya, B.1
Varga, S.2
Soós, T.3
-
90
-
-
79951990831
-
-
3 as a scavenger of HBr generated during the ring-closing step, was fundamental to avoid catalyst deactivation thus accelerating the reaction rate, as well as improving the yield. For previous work that employs an inorganic base as an acidic scavenger in aziridination reactions, see
-
3 as a scavenger of HBr generated during the ring-closing step, was fundamental to avoid catalyst deactivation thus accelerating the reaction rate, as well as improving the yield. For previous work that employs an inorganic base as an acidic scavenger in aziridination reactions, see
-
-
-
-
91
-
-
68349120860
-
-
F. Pesciaioli, F. De Vincentiis, P. Galzerano, G. Bencivenni, G. Bartoli, A. Mazzanti, P. Melchiorre, Angew. Chem. 2008, 120, 8831
-
(2008)
Angew. Chem.
, vol.120
, pp. 8831
-
-
Pesciaioli, F.1
De Vincentiis, F.2
Galzerano, P.3
Bencivenni, G.4
Bartoli, G.5
Mazzanti, A.6
Melchiorre, P.7
-
93
-
-
77954342292
-
-
F. De Vincentiis, G. Bencivenni, F. Pesciaioli, A. Mazzanti, G. Bartoli, P. Galzerano, P. Melchiorre, Chem. Asian J. 2010, 5, 1652.
-
(2010)
Chem. Asian J.
, vol.5
, pp. 1652
-
-
De Vincentiis, F.1
Bencivenni, G.2
Pesciaioli, F.3
Mazzanti, A.4
Bartoli, G.5
Galzerano, P.6
Melchiorre, P.7
-
94
-
-
79951997561
-
-
The reaction performed with catalyst 1c and an oxindole with a free NH group in toluene after 65 h gave a dramatic decrease in the ee, d.r., and conversion values: 81% conversion, 8.8:1 d.r., and 79% ee, compared with that obtained with N-Boc oxindole (Table 1, entry 1)
-
The reaction performed with catalyst 1c and an oxindole with a free NH group in toluene after 65 h gave a dramatic decrease in the ee, d.r., and conversion values: 81% conversion, 8.8:1 d.r., and 79% ee, compared with that obtained with N-Boc oxindole (Table 1, entry 1).
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