-
1
-
-
0001084079
-
-
[1a] L. Duhamel, P. Duhamel, J.-C. Launay, J.-C. Plaquevent, Bull. Soc. Chim. Fr. 1984, II, 421-430.
-
(1984)
Bull. Soc. Chim. Fr.
, vol.2
, pp. 421-430
-
-
Duhamel, L.1
Duhamel, P.2
Launay, J.-C.3
Plaquevent, J.-C.4
-
2
-
-
0001129994
-
-
[1b] C. Fehr, Chimia 1991, 45, 253-261.
-
(1991)
Chimia
, vol.45
, pp. 253-261
-
-
Fehr, C.1
-
7
-
-
0034685934
-
-
Alkyllithium cleavage of silyl enol ethers or enol acetates and chiral protic sources: [2a] A. Yanagisawa, T. Watanabe, T. Kikuchi, H. Yamamoto, J. Org. Chem. 2000, 65, 2979-2983.
-
(2000)
J. Org. Chem.
, vol.65
, pp. 2979-2983
-
-
Yanagisawa, A.1
Watanabe, T.2
Kikuchi, T.3
Yamamoto, H.4
-
8
-
-
0035844438
-
-
[2b] G. Asensio, J. Gil, P. Alemán, M. Medio-Simón, Tetrahedron: Asymmetry 2001, 12, 1359-1362. Alkyllithium cleavage of silyl enol ethers or enol acetates and chiral ligands:
-
(2001)
Tetrahedron: Asymmetry
, vol.12
, pp. 1359-1362
-
-
Asensio, G.1
Gil, J.2
Alemán, P.3
Medio-Simón, M.4
-
9
-
-
0034620203
-
-
[2c] Y. Yamashita, Y. Emura, K. Odashima, K. Koga, Tetrahedron Lett. 2000, 41, 209-213. Lewis acid assisted cleavage of silyl enol ethers and chiral protic sources:
-
(2000)
Tetrahedron Lett.
, vol.41
, pp. 209-213
-
-
Yamashita, Y.1
Emura, Y.2
Odashima, K.3
Koga, K.4
-
10
-
-
0034734366
-
-
[2d] S. Nakamura, M. Kaneeda, K. Ishihara, H. Yamamoto, J. Am. Chem. Soc. 2000, 122, 8120-8130.
-
(2000)
J. Am. Chem. Soc.
, vol.122
, pp. 8120-8130
-
-
Nakamura, S.1
Kaneeda, M.2
Ishihara, K.3
Yamamoto, H.4
-
12
-
-
0029921615
-
-
[3b] Y. Nakamura, S. Takeuchi, A. Ohira, Y. Ohgo, Tetrahedron Lett. 1996, 37, 2805-2808.
-
(1996)
Tetrahedron Lett.
, vol.37
, pp. 2805-2808
-
-
Nakamura, Y.1
Takeuchi, S.2
Ohira, A.3
Ohgo, Y.4
-
13
-
-
0032547976
-
-
[3c] S. Takeuchi, Y. Nakamura, Y. Ohgo, D. P. Curran, Tetrahedron Lett. 1998, 39, 8691-8694.
-
(1998)
Tetrahedron Lett.
, vol.39
, pp. 8691-8694
-
-
Takeuchi, S.1
Nakamura, Y.2
Ohgo, Y.3
Curran, D.P.4
-
14
-
-
0032741251
-
-
For a discussion of acidity effects in asymmetric protonation, see: E. Vedejs, A. W. Kruger, E. Suna, J. Org. Chem. 1999, 64, 7863-7870.
-
(1999)
J. Org. Chem.
, vol.64
, pp. 7863-7870
-
-
Vedejs, E.1
Kruger, A.W.2
Suna, E.3
-
15
-
-
0033532126
-
-
[5a] T. Ishikawa, Y. Oku, T. Tanaka, T. Kumamoto, Tetrahedron Lett. 1999, 40, 3777-3780.
-
(1999)
Tetrahedron Lett.
, vol.40
, pp. 3777-3780
-
-
Ishikawa, T.1
Oku, Y.2
Tanaka, T.3
Kumamoto, T.4
-
20
-
-
0032481653
-
-
[7a] J. Åhman, J. P. Wolfe, M. V. Troutman, M. Palucki, S. L. Buchwald, J. Am. Chem. Soc. 1998, 120, 1918-1919.
-
(1998)
J. Am. Chem. Soc.
, vol.120
, pp. 1918-1919
-
-
Åhman, J.1
Wolfe, J.P.2
Troutman, M.V.3
Palucki, M.4
Buchwald, S.L.5
-
22
-
-
0001357169
-
-
[7c] S.-H. You, X.-L. Hou, L.-X Dai, X-Z. Zhu, Org. Lett. 2001, 3, 149-151.
-
(2001)
Org. Lett.
, vol.3
, pp. 149-151
-
-
You, S.-H.1
Hou, X.-L.2
Dai, L.-X.3
Zhu, X.-Z.4
-
23
-
-
0035859320
-
-
[7d] A. Chieffi, K. Kamikawa, J. Åhman, J. M. Fox, S. L. Buchwald, Org. Lett. 2001, 3, 1897-1900.
-
(2001)
Org. Lett.
, vol.3
, pp. 1897-1900
-
-
Chieffi, A.1
Kamikawa, K.2
Åhman, J.3
Fox, J.M.4
Buchwald, S.L.5
-
25
-
-
0011978390
-
-
F. Hénin, J. Muzart, J.-P. Pète, O. Piva, New J. Chem. 1991, 15, 611-613.
-
(1991)
New J. Chem.
, vol.15
, pp. 611-613
-
-
Hénin, F.1
Muzart, J.2
Pète, J.-P.3
Piva, O.4
-
26
-
-
33748225940
-
-
[9a] F. Hénin, J. Muzart, J-P. Pete, A. M'Boungou-M'Passi, H. Rau, Angew: Chem. Int. Ed. Engl. 1991, 30, 416-418.
-
(1991)
Angew: Chem. Int. Ed. Engl.
, vol.30
, pp. 416-418
-
-
Hénin, F.1
Muzart, J.2
Pete, J.-P.3
M'Boungou-M'Passi, A.4
Rau, H.5
-
27
-
-
0028329865
-
-
[9b] F. Hénin, A. M'Boungou-M'Passi, J. Muzart, J.-P. Pète, Tetrahedron 1994, 50, 2849-2864.
-
(1994)
Tetrahedron
, vol.50
, pp. 2849-2864
-
-
Hénin, F.1
M'Boungou-M'Passi, A.2
Muzart, J.3
Pète, J.-P.4
-
28
-
-
0342981459
-
-
J. Muzart, F. Hénin, S. Jamal Aboulhoda, Tetrahedron: Asymmetry 1997, 8, 381-389.
-
(1997)
Tetrahedron: Asymmetry
, vol.8
, pp. 381-389
-
-
Muzart, J.1
Hénin, F.2
Jamal Aboulhoda, S.3
-
29
-
-
20644436471
-
-
O. Roy, M. Diekmann, A. Riahi, F. Hénin, J. Muzart, Chem. Commun. 2001, 533-534 and p. 1418.
-
(2001)
Chem. Commun.
, vol.533-534
, pp. 1418
-
-
Roy, O.1
Diekmann, M.2
Riahi, A.3
Hénin, F.4
Muzart, J.5
-
32
-
-
0001315449
-
-
H. Brunner, J. Müller, J. Spitzer, Monatsh. Chem. 1996, 127, 845-858.
-
(1996)
Monatsh. Chem.
, vol.127
, pp. 845-858
-
-
Brunner, H.1
Müller, J.2
Spitzer, J.3
-
33
-
-
0039608378
-
-
[15a] H. Brunner, P. Schmidt, Z. Naturforsch., Teil B 2000, 55, 369-372.
-
(2000)
Z. Naturforsch., Teil B
, vol.55
, pp. 369-372
-
-
Brunner, H.1
Schmidt, P.2
-
34
-
-
0034071322
-
-
[15b] H. Brunner, P. Schmidt, M. Prommesberger, Tetrahedron: Asymmetry 2000, 11, 1501-1512.
-
(2000)
Tetrahedron: Asymmetry
, vol.11
, pp. 1501-1512
-
-
Brunner, H.1
Schmidt, P.2
Prommesberger, M.3
-
35
-
-
0040651740
-
-
F. Hénin, J. Muzart, M. Nedjma, H. Rau, Monatsh. Chem. 1997, 128, 1181-1188.
-
(1997)
Monatsh. Chem.
, vol.128
, pp. 1181-1188
-
-
Hénin, F.1
Muzart, J.2
Nedjma, M.3
Rau, H.4
-
36
-
-
0012013359
-
-
note
-
In both cases we only observed degradation of the starting material, probably due to retro-Claisen-type reactions.
-
-
-
-
38
-
-
0000546293
-
-
O. Piva, R. Mortezaei, F. Hénin, J. Muzart, J.-P. Pète, J. Am. Chem. Soc. 1990, 112, 9263-9272.
-
(1990)
J. Am. Chem. Soc.
, vol.112
, pp. 9263-9272
-
-
Piva, O.1
Mortezaei, R.2
Hénin, F.3
Muzart, J.4
Pète, J.-P.5
-
40
-
-
0000949864
-
-
A syn relative configuration has been determined for the diastereomer in slight excess (ca. 55 ± 3%) which can be compared with analogous values observed for 5a resulting from the hydride reduction of 4a: C. Alvarez Ibarra, F. Fernandez Gonzalez, M. L. Quiroga Feijoo, J. Santoro, An. Qium. 1978, 74, 449-454; C. Ivarez Ibarra, R. Pérez-Ossorio, M. L. Quiroga, M. S. Arias Pérez, M. J. Fernandez Dominguez, J. Chem. Soc., Perkin Trans. 2 1988, 101-105.
-
(1978)
An. Qium.
, vol.74
, pp. 449-454
-
-
Alvarez Ibarra, C.1
Fernandez Gonzalez, F.2
Quiroga Feijoo, M.L.3
Santoro, J.4
-
41
-
-
0005733681
-
-
A syn relative configuration has been determined for the diastereomer in slight excess (ca. 55 ± 3%) which can be compared with analogous values observed for 5a resulting from the hydride reduction of 4a: C. Alvarez Ibarra, F. Fernandez Gonzalez, M. L. Quiroga Feijoo, J. Santoro, An. Qium. 1978, 74, 449-454; C. Ivarez Ibarra, R. Pérez-Ossorio, M. L. Quiroga, M. S. Arias Pérez, M. J. Fernandez Dominguez, J. Chem. Soc., Perkin Trans. 2 1988, 101-105.
-
(1988)
J. Chem. Soc. Perkin Trans. 2
, pp. 101-105
-
-
Ivarez Ibarra, C.1
Pérez-Ossorio, R.2
Quiroga, M.L.3
Arias Pérez, M.S.4
Fernandez Dominguez, M.J.5
-
42
-
-
0003801160
-
-
M. Dekker, New York, chapters 2, 3, 9
-
The selectivities are greatly influenced by the nature of the support, as observed in some of our previous experiments[23] and as discussed in, for example: R. L. Augustine, Heterogenous Catalysis for the Synthetic Chemist, M. Dekker, New York, 1996, chapters 2, 3, 9.
-
(1996)
Heterogenous Catalysis for the Synthetic Chemist
-
-
Augustine, R.L.1
-
43
-
-
0029120266
-
-
S. Jamal Aboulhoda, S. Létinois, J. Wilken, I. Reiners, F. Hénin, J. Martens, J. Muzart, Tetrahedron: Asymmetry 1995, 6, 1865-1868.
-
(1995)
Tetrahedron: Asymmetry
, vol.6
, pp. 1865-1868
-
-
Jamal Aboulhoda, S.1
Létinois, S.2
Wilken, J.3
Reiners, I.4
Hénin, F.5
Martens, J.6
Muzart, J.7
-
44
-
-
0001136158
-
-
[24a] W. Oppolzer, C. Darcel, P. Rochet, S. Rosset, J. De Brabander, Helv. Chim. Acta 1997, 80, 1319-1337.
-
(1997)
Helv. Chim. Acta
, vol.80
, pp. 1319-1337
-
-
Oppolzer, W.1
Darcel, C.2
Rochet, P.3
Rosset, S.4
De Brabander, J.5
-
45
-
-
0030738389
-
-
[24b] T. Izawa, Y. Terao, K. Suzuki, Tetrahedron: Asymmetry 1997, 8, 2645-2648.
-
(1997)
Tetrahedron: Asymmetry
, vol.8
, pp. 2645-2648
-
-
Izawa, T.1
Terao, Y.2
Suzuki, K.3
-
46
-
-
0000809539
-
-
A. I. Meyers, D. R. Williams, S. White, G. W. Erickson, J. Am. Chem. Soc. 1981, 103, 3088-3093.
-
(1981)
J. Am. Chem. Soc.
, vol.103
, pp. 3088-3093
-
-
Meyers, A.I.1
Williams, D.R.2
White, S.3
Erickson, G.W.4
-
47
-
-
0000299872
-
-
C. Fuganti, P. Grasselli, F. Spreafico, C. Zirotti, J. Org. Chem. 1984, 49, 543-546.
-
(1984)
J. Org. Chem.
, vol.49
, pp. 543-546
-
-
Fuganti, C.1
Grasselli, P.2
Spreafico, F.3
Zirotti, C.4
-
48
-
-
0002577588
-
-
(Eds.: A. N. Collins, G. N. Sheldrake, G. Crosby), Wiley, Chichester
-
G. P. Stahly, M. R. Starrett, Chirality in Industry II, (Eds.: A. N. Collins, G. N. Sheldrake, G. Crosby), Wiley, Chichester, 1997, p. 19-40.
-
(1997)
Chirality in Industry II
, pp. 19-40
-
-
Stahly, G.P.1
Starrett, M.R.2
-
49
-
-
0026567443
-
-
H. R. Sonawane, N. S. Bellur, J. R. Ahuja, D. G. Kulkarni, Tetrahedron: Asymmetry 1992, 3, 163-192.
-
(1992)
Tetrahedron: Asymmetry
, vol.3
, pp. 163-192
-
-
Sonawane, H.R.1
Bellur, N.S.2
Ahuja, J.R.3
Kulkarni, D.G.4
-
50
-
-
0032518934
-
-
M. Asaoka, M. Tanaka, T. Houkawa, T. Ueda, S. Sakami, H. Takei, Tetrahedron 1998, 54, 471-486.
-
(1998)
Tetrahedron
, vol.54
, pp. 471-486
-
-
Asaoka, M.1
Tanaka, M.2
Houkawa, T.3
Ueda, T.4
Sakami, S.5
Takei, H.6
-
53
-
-
0038160645
-
-
S. Letinois, F. Hénin, J. Muzart, Tetrahedron: Asymmetry 2000, 11, 2037-2044.
-
(2000)
Tetrahedron: Asymmetry
, vol.11
, pp. 2037-2044
-
-
Letinois, S.1
Hénin, F.2
Muzart, J.3
-
54
-
-
0001492631
-
-
This concept of the control of an electrophilic attack of an enolic species by the enol-bound groups was developed by Duhamel, and here we have adopted an "α' and β'" nomenclature for the enol definition (Figures 3 and 4) to avoid confusion with α- and β-positions of the carbonyl group: [33a] L. Duhamel, P. Duhamel, C. R. Acad. Sci. Paris, Série II 1995, 320, 689-694.
-
(1995)
C. R. Acad. Sci. Paris, Série II
, vol.320
, pp. 689-694
-
-
Duhamel, L.1
Duhamel, P.2
-
56
-
-
4243664295
-
-
C. Hansch, A. Leo, R. W. Taft, Chem. Rev. 1991, 91, 165-195.
-
(1991)
Chem. Rev.
, vol.91
, pp. 165-195
-
-
Hansch, C.1
Leo, A.2
Taft, R.W.3
-
57
-
-
0002475360
-
-
Such a correlation has already been observed during the asymmetric protonation of enolates derived from Schiff bases: L. Duhamel, J.-C. Plaquevent, Bull. Soc. Chim. Fr. 1982, 11, 75-83.
-
(1982)
Bull. Soc. Chim. Fr.
, vol.11
, pp. 75-83
-
-
Duhamel, L.1
Plaquevent, J.-C.2
-
58
-
-
0011942105
-
-
note
-
R correspond to the rate of formation of the enantiomers, assumed to be proportional to their respective concentrations.
-
-
-
-
60
-
-
0034616023
-
-
[38a] K. Balázsik, K. Szöri, K. Felföldi, B. Török, M. Bartók, Chem. Commun. 2000, 555-556.
-
(2000)
Chem. Commun.
, pp. 555-556
-
-
Balázsik, K.1
Szöri, K.2
Felföldi, K.3
Török, B.4
Bartók, M.5
-
61
-
-
0035842865
-
-
[39b] M. Von Arx, T. Mallat, A. Baiker, Tetrahedron: Asymmetry 2001, 12, 3089-3094.
-
(2001)
Tetrahedron: Asymmetry
, vol.12
, pp. 3089-3094
-
-
Von Arx, M.1
Mallat, T.2
Baiker, A.3
-
62
-
-
0001447903
-
-
[39a] H. Zhang, F. Xue, T. C. W. Mak, K. S. Chan, J. Org. Chem. 1996, 61, 8002-8003.
-
(1996)
J. Org. Chem.
, vol.61
, pp. 8002-8003
-
-
Zhang, H.1
Xue, F.2
Mak, T.C.W.3
Chan, K.S.4
-
63
-
-
0033583015
-
-
[39b] M. Kitamura, H. Oka, R. Noyori, Tetrahedron 1999, 55, 3605-3614.
-
(1999)
Tetrahedron
, vol.55
, pp. 3605-3614
-
-
Kitamura, M.1
Oka, H.2
Noyori, R.3
-
65
-
-
0033813484
-
-
M. A. Garcia-Garibay, S. Shin, C. N. Sanrame, Tetrahedron 2000, 56, 6729-6737.
-
(2000)
Tetrahedron
, vol.56
, pp. 6729-6737
-
-
Garcia-Garibay, M.A.1
Shin, S.2
Sanrame, C.N.3
-
66
-
-
0032576787
-
-
C.-F. Yao, K.-H. Kao, J.-T. Liu, C.-M. Chu, Y. Wang, W.-C. Chen, Y.-M. Lin, W-W. Lin, M.-C. Yan, J.-Y. Liu, M.-C. Chuang, J.-L. Shiue, Tetrahedron 1998, 54, 791-822.
-
(1998)
Tetrahedron
, vol.54
, pp. 791-822
-
-
Yao, C.-F.1
Kao, K.-H.2
Liu, J.-T.3
Chu, C.-M.4
Wang, Y.5
Chen, W.-C.6
Lin, Y.-M.7
Lin, W.-W.8
Yan, M.-C.9
Liu, J.-Y.10
Chuang, M.-C.11
Shiue, J.-L.12
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