-
1
-
-
0029278692
-
-
For reviews:a
-
For reviews:(a) Lee, A. Y.; Stewart, J. D.; Clardy, J.; Ganem, B Chem. Biol 1995, 2, 195-203.
-
(1995)
Chem. Biol
, vol.2
, pp. 195-203
-
-
Lee, A.Y.1
Stewart, J.D.2
Clardy, J.3
Ganem, B.4
-
3
-
-
33845282891
-
-
Gajewski, J. J.; Jurayj, J.; Kimbrough, D. R.; Gande, M. E.; Ganem, B.; Carpenter, B. K. J. Am. Chem. Soc. 1987, 107, 1170-1186.
-
(1987)
J. Am. Chem. Soc
, vol.107
, pp. 1170-1186
-
-
Gajewski, J.J.1
Jurayj, J.2
Kimbrough, D.R.3
Gande, M.E.4
Ganem, B.5
Carpenter, B.K.6
-
4
-
-
0001423835
-
-
For a review:a
-
For a review:(a) Gajewski, J. J. Acc. Chem. Res. 1997, 30, 219-225.
-
(1997)
Acc. Chem. Res
, vol.30
, pp. 219-225
-
-
Gajewski, J.J.1
-
7
-
-
84961983625
-
-
(b) Kirsten, M.; Rehbein, J.; Hiersemann, M.; Strassner, T. J. Org. Chem. 2007, 72, 4001-4011.
-
(2007)
J. Org. Chem
, vol.72
, pp. 4001-4011
-
-
Kirsten, M.1
Rehbein, J.2
Hiersemann, M.3
Strassner, T.4
-
8
-
-
0001681743
-
-
(a) Maruoka, K.; Saito, S.; Yamamoto, H. J. Am. Chem. Soc. 1995, 117, 1165-1166.
-
(1995)
J. Am. Chem. Soc
, vol.117
, pp. 1165-1166
-
-
Maruoka, K.1
Saito, S.2
Yamamoto, H.3
-
9
-
-
0037037897
-
-
(b) Tayama, E.; Saito, A.; Ooi, T.; Maruoka, K. Tetrahedron 2002, 58, 8307-8312.
-
(2002)
Tetrahedron
, vol.58
, pp. 8307-8312
-
-
Tayama, E.1
Saito, A.2
Ooi, T.3
Maruoka, K.4
-
10
-
-
85047695331
-
-
(c) Kazmaier, U.; Mues, H.; Krebs, A Chem. - Eur. J. 2002, 8, 1850-1855.
-
(2002)
Chem. - Eur. J
, vol.8
, pp. 1850-1855
-
-
Kazmaier, U.1
Mues, H.2
Krebs, A.3
-
12
-
-
0031008023
-
-
(e) Ito, H.; Sato, A.; Taguchi, T. Tetrahedron Lett. 1997, 38, 4815-4818.
-
(1997)
Tetrahedron Lett
, vol.38
, pp. 4815-4818
-
-
Ito, H.1
Sato, A.2
Taguchi, T.3
-
13
-
-
0032556518
-
-
(f) Ito, H.; Sato, A.; Kobayashi, T.; Taguchi, T. Chem. Commun. 1998, 2441-2442.
-
(1998)
Chem. Commun
, pp. 2441-2442
-
-
Ito, H.1
Sato, A.2
Kobayashi, T.3
Taguchi, T.4
-
15
-
-
0035905526
-
-
(h) Abraham, L.; Czerwonka, R.; Hiersemann, M. Angew. Chem., Int. Ed. 2001, 40, 4700-4703.
-
(2001)
Angew. Chem., Int. Ed
, vol.40
, pp. 4700-4703
-
-
Abraham, L.1
Czerwonka, R.2
Hiersemann, M.3
-
16
-
-
7044286189
-
-
(i) Abraham, L.; Körner, M.; Schwab, P.; Hiersemann, M. Adv. Synth. Catal. 2004, 346, 1281-1294.
-
(2004)
Adv. Synth. Catal
, vol.346
, pp. 1281-1294
-
-
Abraham, L.1
Körner, M.2
Schwab, P.3
Hiersemann, M.4
-
17
-
-
33646468489
-
-
(a) Taylor, M. S.; Jacobsen, E. N. Angew. Chem., Int. Ed. 2006, 45, 1520-1543.
-
(2006)
Angew. Chem., Int. Ed
, vol.45
, pp. 1520-1543
-
-
Taylor, M.S.1
Jacobsen, E.N.2
-
19
-
-
47849085543
-
-
Of the salts evaluated, only guanidinium ions associated to the non-coordinating BArF counterion were found to be effective. See Supporting Information
-
Of the salts evaluated, only guanidinium ions associated to the non-coordinating BArF counterion were found to be effective. See Supporting Information.
-
-
-
-
20
-
-
0001193489
-
-
(a) Coates, R. M.; Rogers, B. D.; Hobbs, S. J.; Peck, D. R.; Curran, D. P. J. Am. Chem. Soc. 1987, 109, 1160-1170.
-
(1987)
J. Am. Chem. Soc
, vol.109
, pp. 1160-1170
-
-
Coates, R.M.1
Rogers, B.D.2
Hobbs, S.J.3
Peck, D.R.4
Curran, D.P.5
-
22
-
-
0001718717
-
-
(c) Sehgal, A.; Shao, L.; Gao, J. J. Am. Chem. Soc. 1995, 117, 11337-11340.
-
(1995)
J. Am. Chem. Soc
, vol.117
, pp. 11337-11340
-
-
Sehgal, A.1
Shao, L.2
Gao, J.3
-
23
-
-
33644922031
-
-
For examples of asymmetric catalysis using chiral guanidines, see:(a) Ishikawa, T, Kumamoto, T. Synthesis 2006, 5, 737-753
-
For examples of asymmetric catalysis using chiral guanidines, see:(a) Ishikawa, T.; Kumamoto, T. Synthesis 2006, 5, 737-753.
-
-
-
-
24
-
-
33745825158
-
-
(b) Sohtome, Y.; Hashimoto, Y.; Nagasawa, K. Eur. J. Org. Chem. 2006, 13, 2894-2897.
-
(2006)
Eur. J. Org. Chem
, vol.13
, pp. 2894-2897
-
-
Sohtome, Y.1
Hashimoto, Y.2
Nagasawa, K.3
-
25
-
-
33750357708
-
-
(c) Shen, J.; Nguyen, T. T.; Goh, Y.-P.; Ye, W.; Fu, X.; Xu, J.; Tan, C.-H. J. Am. Chem. Soc. 2006, 128, 13692-13693.
-
(2006)
J. Am. Chem. Soc
, vol.128
, pp. 13692-13693
-
-
Shen, J.1
Nguyen, T.T.2
Goh, Y.-P.3
Ye, W.4
Fu, X.5
Xu, J.6
Tan, C.-H.7
-
26
-
-
33845562410
-
-
(d) Terada, M.; Nakano, M.; Ube, H. J. Am. Chem. Soc. 2006, 128, 16044-16045.
-
(2006)
J. Am. Chem. Soc
, vol.128
, pp. 16044-16045
-
-
Terada, M.1
Nakano, M.2
Ube, H.3
-
28
-
-
47849109236
-
-
All of the substrates for the asymmetric Claisen rearrangement were synthesized from the corresponding α-ketoacids with complete selectivity for the Z-enol ether by a simple two-step procedure involving O-alkylation and methyl ester formation
-
All of the substrates for the asymmetric Claisen rearrangement were synthesized from the corresponding α-ketoacids with complete selectivity for the Z-enol ether by a simple two-step procedure involving O-alkylation and methyl ester formation.
-
-
-
-
29
-
-
0004133516
-
-
DFT calculations were performed using Gaussian 98:, Gaussian, Inc, Pittsburgh, PA
-
DFT calculations were performed using Gaussian 98: Frisch, M. J.; et.al. Gaussian 98, Gaussian, Inc.: Pittsburgh, PA, 2002.
-
(2002)
Gaussian 98
-
-
Frisch, M.J.1
-
30
-
-
6444232702
-
-
a of 14.1 for 2 in DMSO was measured according to the procedure of Bordwell: Matthews, W. S.; Bares, J. E.; Bartmess, J. E.; Bordwell, F. G.; Cornforth, F. J.; Drucker, G. E; Margolin, Z.; McCallum, R. J.; McCollum, G. J; Varnier, N. R. J. Am. Chem. Soc. 1975, 97, 7006-7014.
-
a of 14.1 for 2 in DMSO was measured according to the procedure of Bordwell: Matthews, W. S.; Bares, J. E.; Bartmess, J. E.; Bordwell, F. G.; Cornforth, F. J.; Drucker, G. E; Margolin, Z.; McCallum, R. J.; McCollum, G. J; Varnier, N. R. J. Am. Chem. Soc. 1975, 97, 7006-7014.
-
-
-
-
31
-
-
0001258168
-
-
a of 13.5 for N,N′-diphenylthiourea in DMSO: Bordwell, F. G.; Algrim, D. J.; Harrelson, J. A., Jr. J. Am. Chem. Soc. 1988, 110, 5903-5904.
-
a of 13.5 for N,N′-diphenylthiourea in DMSO: Bordwell, F. G.; Algrim, D. J.; Harrelson, J. A., Jr. J. Am. Chem. Soc. 1988, 110, 5903-5904.
-
-
-
|