-
1
-
-
26444621024
-
-
Schmitz, F. J.; Gunasekera, S. P.; Yalamanchili, G.; Hossain, M. B.; van der Helm, D. J. Am. Chem. Soc. 1984, 106, 7251.
-
(1984)
J. Am. Chem. Soc.
, vol.106
, pp. 7251
-
-
Schmitz, F.J.1
Gunasekera, S.P.2
Yalamanchili, G.3
Hossain, M.B.4
Van Der Helm, D.5
-
2
-
-
0001156916
-
-
Fusetani, N.; Sugawara, T.; Matsunaga, S.; Hirota, H. J. Org. Chem. 1991, 56, 4971.
-
(1991)
J. Org. Chem.
, vol.56
, pp. 4971
-
-
Fusetani, N.1
Sugawara, T.2
Matsunaga, S.3
Hirota, H.4
-
4
-
-
0030024615
-
-
Matsushima, T.; Horita, K.; Nakajima, N.; Yonemitsu, O. Tetrahedron Lett. 1996, 37, 385.
-
(1996)
Tetrahedron Lett.
, vol.37
, pp. 385
-
-
Matsushima, T.1
Horita, K.2
Nakajima, N.3
Yonemitsu, O.4
-
5
-
-
0031851582
-
-
Chem. Pharm. Bull. 1998, 46, 1135.
-
(1998)
Chem. Pharm. Bull.
, vol.46
, pp. 1135
-
-
-
6
-
-
0032473863
-
-
Liu, J.-F.; Abiko, A.; Pei, Z. H.; Buske, D. C.; Masamune, S. Tetrahedron Lett. 1998, 39, 1873.
-
(1998)
Tetrahedron Lett.
, vol.39
, pp. 1873
-
-
Liu, J.-F.1
Abiko, A.2
Pei, Z.H.3
Buske, D.C.4
Masamune, S.5
-
7
-
-
0032542158
-
-
Taylor, R. E.; Ciavarri, J. P.; Hearn, B. R. Tetrahedron Lett. 1998, 39, 9361.
-
(1998)
Tetrahedron Lett.
, vol.39
, pp. 9361
-
-
Taylor, R.E.1
Ciavarri, J.P.2
Hearn, B.R.3
-
8
-
-
0033593260
-
-
Jung, M. E.; Karama, U.; Marquez, R. J. Org. Chem. 1999, 64, 663.
-
(1999)
J. Org. Chem.
, vol.64
, pp. 663
-
-
Jung, M.E.1
Karama, U.2
Marquez, R.3
-
9
-
-
0032894075
-
-
Matsushima, T.; Mori, M.; Zheng, B. Z.; Maeda, H.; Nakajima, N.; Uenishi, J.; Yonemitsu, O. Chem. Pharm. Bull. 1999, 47, 308.
-
(1999)
Chem. Pharm. Bull.
, vol.47
, pp. 308
-
-
Matsushima, T.1
Mori, M.2
Zheng, B.Z.3
Maeda, H.4
Nakajima, N.5
Uenishi, J.6
Yonemitsu, O.7
-
10
-
-
0027724708
-
-
Roush, W. R.; Bannister, T. D.; Wendt, M. D. Tetrahedron Lett. 1993, 34, 8387.
-
(1993)
Tetrahedron Lett.
, vol.34
, pp. 8387
-
-
Roush, W.R.1
Bannister, T.D.2
Wendt, M.D.3
-
11
-
-
0029058338
-
-
Gustin, D. J.; VanNieuwenhze, M. S.; Roush, W. R. Tetrahedron Lett. 1995, 36, 3443.
-
(1995)
Tetrahedron Lett.
, vol.36
, pp. 3443
-
-
Gustin, D.J.1
VanNieuwenhze, M.S.2
Roush, W.R.3
-
12
-
-
85034147972
-
-
note
-
For example, the chiral methyl ketones employed in the studies summarized in refs 10 and 11, which are more structurally complex than 5 in the present work, exhibited diastereofacial preferences ranging from 60: 40 to 83:17, depending on the metal enolate employed (see footnote 10 in ref 11).
-
-
-
-
13
-
-
0021775497
-
-
Masamune, S.; Choy, W.; Petersen, J. S.; Sita, L. R. Angew. Chem., Int. Ed. Engl. 1985, 24, 1.
-
(1985)
Angew. Chem., Int. Ed. Engl.
, vol.24
, pp. 1
-
-
Masamune, S.1
Choy, W.2
Petersen, J.S.3
Sita, L.R.4
-
14
-
-
0025670150
-
-
Walkup, R. D.; Kane, R. R.; Boatman, P. D., Jr.; Cunningham, R. T. Tetrahedron Lett. 1990, 52, 7587.
-
(1990)
Tetrahedron Lett.
, vol.52
, pp. 7587
-
-
Walkup, R.D.1
Kane, R.R.2
Boatman P.D., Jr.3
Cunningham, R.T.4
-
15
-
-
85034151781
-
-
note
-
1H NMR, IR, mass spectrum and/or C,H analysis) of all new compounds were fully consistent with the assigned structures.
-
-
-
-
18
-
-
0000339580
-
-
Evans, D. A.; Sjogren, E. B.; Bartroli, J.; Dow, R. L. Tetrahedron Lett. 1986, 27, 4957.
-
(1986)
Tetrahedron Lett.
, vol.27
, pp. 4957
-
-
Evans, D.A.1
Sjogren, E.B.2
Bartroli, J.3
Dow, R.L.4
-
19
-
-
3042889335
-
-
Pfenning, T. D.; Djuric, S. W.; Haack, R. A.; Kalish, V. J.; Miyashiro, J. M.; Rowell, B. W.; Yu, S. S. Synth. Commun. 1990, 20, 307.
-
(1990)
Synth. Commun.
, vol.20
, pp. 307
-
-
Pfenning, T.D.1
Djuric, S.W.2
Haack, R.A.3
Kalish, V.J.4
Miyashiro, J.M.5
Rowell, B.W.6
Yu, S.S.7
-
20
-
-
0025128154
-
-
Roush, W. R.; Palkowitz, A. D.; Ando, K. J. Am. Chem. Soc. 1990, 112, 6348.
-
(1990)
J. Am. Chem. Soc.
, vol.112
, pp. 6348
-
-
Roush, W.R.1
Palkowitz, A.D.2
Ando, K.3
-
21
-
-
33751385878
-
-
Rychnovsky, S. D.; Rogers, B.; Yang, G. J. Org. Chem. 1993, 58, 3511.
-
(1993)
J. Org. Chem.
, vol.58
, pp. 3511
-
-
Rychnovsky, S.D.1
Rogers, B.2
Yang, G.3
-
22
-
-
85034154085
-
-
note
-
2 and C(13)-H resonances, as previously described (see footnote 8 of ref 10).
-
-
-
-
24
-
-
0012016624
-
-
Evans, D. A.; Bartroli, J.; Shih, T. L. J. Am. Chem. Soc. 1981, 103, 2127.
-
(1981)
J. Am. Chem. Soc.
, vol.103
, pp. 2127
-
-
Evans, D.A.1
Bartroli, J.2
Shih, T.L.3
-
26
-
-
0041807380
-
-
Griffith, W. P.; Ley, S. V.; Whitcombe, G. P.; White, A. D. J. Chem. Soc., Chem. Commun. 1987, 1625.
-
(1987)
J. Chem. Soc., Chem. Commun.
, pp. 1625
-
-
Griffith, W.P.1
Ley, S.V.2
Whitcombe, G.P.3
White, A.D.4
-
27
-
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85034131931
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note
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4Cl solution at ambient temperature, recovered 5 is completely stereochemically homogeneous. Epimerization of the aldol product 3 was not observed under either of these sets of workup conditions.
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