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3
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0002842495
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(a) Narasaka, K.; Pai, F.-C. Chem. Lett. 1980, 1415-1418; Narasaka, K.; Pai, F.-C. Tetrahedron 1984, 40, 2233-2238.
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Chem. Lett.
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Narasaka, K.1
Pai, F.-C.2
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4
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0000425224
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(a) Narasaka, K.; Pai, F.-C. Chem. Lett. 1980, 1415-1418; Narasaka, K.; Pai, F.-C. Tetrahedron 1984, 40, 2233-2238.
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Tetrahedron
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Narasaka, K.1
Pai, F.-C.2
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5
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1542653849
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(b) Chen, K.-M.; Hardtmann, G. E.; Prasad, K.; Repic, O.; Shapiro, M. J. Tetrahedron Lett. 1987, 26, 2951-2954; Chen, K.-M.; Gunderson, K. G.; Hardtmann, G. E.; Prasad, K.; Repic, O.; Shapiro, M. J. Chem. Lett. 1987, 1923-1926.
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Tetrahedron Lett.
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Chen, K.-M.1
Hardtmann, G.E.2
Prasad, K.3
Repic, O.4
Shapiro, M.J.5
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6
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0001633976
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(b) Chen, K.-M.; Hardtmann, G. E.; Prasad, K.; Repic, O.; Shapiro, M. J. Tetrahedron Lett. 1987, 26, 2951-2954; Chen, K.-M.; Gunderson, K. G.; Hardtmann, G. E.; Prasad, K.; Repic, O.; Shapiro, M. J. Chem. Lett. 1987, 1923-1926.
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Chem. Lett.
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Chen, K.-M.1
Gunderson, K.G.2
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Prasad, K.4
Repic, O.5
Shapiro, M.J.6
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8
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33845278140
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(b) Evans, D. A.; Chapman, K. T.; Carreia, E. M. J. Am. Chem. Soc. 1988, 110, 3560-3578.
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Evans, D.A.1
Chapman, K.T.2
Carreia, E.M.3
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12
-
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1542653824
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-
note
-
5 (starting from compound 3), respectively.
-
-
-
-
13
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0000495808
-
-
The dissolving metal reduction of acetonides which contain an alkyl and a C = N group at the carbon atom which bears the PhS group and a hydrogen atom in compound 2 also leads to syn-1,3-diol acetonides: Rychnovsky, S. D.; Zeller, S.; Skalitzky, D. J.; Griesgraber, G. J. Org. Chem. 1990, 55, 5550-5551.
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Rychnovsky, S.D.1
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Griesgraber, G.4
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14
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0000730188
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(a) Reetz, M. T. Angew. Chem. 1984, 96, 542-555; Angew. Chem. Int. Ed. Engl. 1984, 23, 556.
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Angew. Chem.
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Reetz, M.T.1
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15
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0010771837
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(a) Reetz, M. T. Angew. Chem. 1984, 96, 542-555; Angew. Chem. Int. Ed. Engl. 1984, 23, 556.
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Angew. Chem. Int. Ed. Engl.
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16
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0027984321
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(b) Additions with anti-preference but without chelation control: Evans, D. A.; Duffy, J. L.; Dart, M. J. Tetrahedron Lett. 1994, 35, 8537-8540.
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Evans, D.A.1
Duffy, J.L.2
Dart, M.J.3
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17
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0023606073
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2: S. L. Schreiber, M. T. Goulet, J. Am. Chem. Soc. 1987, 109, 8120-8122 (footnote 13). (b) Enolate of (2-hydroxy-1,2,2-triphenylethyl(acetate: Mahler, U.; Devant, R. M.; Braun, M.; Chem. Ber. 1988, 121, 2035-2044; Braun, M.; Sacha, H. J. Prakt. Chem. 1993, 335, 635-668. (c) 2,5-Dimethylborolane enolate of (1,1-diethylpropylthio)acetate: Duplanlier, A. J.; Masamune, S. J. Am. Chem. Soc. 1990, 112, 7079-7081. (d) 2-(α-Chloroallyl)-4,5-dicyclohexyl-1,3-dioxo-2-borolane: Hoffmann, R. W.; Stürmer, R.; Synlett 1990, 759-761. (e) Functionalized organozinc reagents: Knochel, P.; Brieden, W.; Rozema, M. J.; Eisenberg, C. Tetrahedron Lett. 1993, 34, 5881-5884.
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Schreiber, S.L.1
Goulet, M.T.2
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18
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0001436310
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2: S. L. Schreiber, M. T. Goulet, J. Am. Chem. Soc. 1987, 109, 8120-8122 (footnote 13). (b) Enolate of (2-hydroxy-1,2,2-triphenylethyl(acetate: Mahler, U.; Devant, R. M.; Braun, M.; Chem. Ber. 1988, 121, 2035-2044; Braun, M.; Sacha, H. J. Prakt. Chem. 1993, 335, 635-668. (c) 2,5-Dimethylborolane enolate of (1,1-diethylpropylthio)acetate: Duplanlier, A. J.; Masamune, S. J. Am. Chem. Soc. 1990, 112, 7079-7081. (d) 2-(α-Chloroallyl)-4,5-dicyclohexyl-1,3-dioxo-2-borolane: Hoffmann, R. W.; Stürmer, R.; Synlett 1990, 759-761. (e) Functionalized organozinc reagents: Knochel, P.; Brieden, W.; Rozema, M. J.; Eisenberg, C. Tetrahedron Lett. 1993, 34, 5881-5884.
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Chem. Ber.
, vol.121
, pp. 2035-2044
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Mahler, U.1
Devant, R.M.2
Braun, M.3
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19
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1542444250
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2: S. L. Schreiber, M. T. Goulet, J. Am. Chem. Soc. 1987, 109, 8120-8122 (footnote 13). (b) Enolate of (2-hydroxy-1,2,2-triphenylethyl(acetate: Mahler, U.; Devant, R. M.; Braun, M.; Chem. Ber. 1988, 121, 2035-2044; Braun, M.; Sacha, H. J. Prakt. Chem. 1993, 335, 635-668. (c) 2,5-Dimethylborolane enolate of (1,1-diethylpropylthio)acetate: Duplanlier, A. J.; Masamune, S. J. Am. Chem. Soc. 1990, 112, 7079-7081. (d) 2-(α-Chloroallyl)-4,5-dicyclohexyl-1,3-dioxo-2-borolane: Hoffmann, R. W.; Stürmer, R.; Synlett 1990, 759-761. (e) Functionalized organozinc reagents: Knochel, P.; Brieden, W.; Rozema, M. J.; Eisenberg, C. Tetrahedron Lett. 1993, 34, 5881-5884.
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Braun, M.1
Sacha, H.2
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20
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0025002953
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2: S. L. Schreiber, M. T. Goulet, J. Am. Chem. Soc. 1987, 109, 8120-8122 (footnote 13). (b) Enolate of (2-hydroxy-1,2,2-triphenylethyl(acetate: Mahler, U.; Devant, R. M.; Braun, M.; Chem. Ber. 1988, 121, 2035-2044; Braun, M.; Sacha, H. J. Prakt. Chem. 1993, 335, 635-668. (c) 2,5-Dimethylborolane enolate of (1,1-diethylpropylthio)acetate: Duplanlier, A. J.; Masamune, S. J. Am. Chem. Soc. 1990, 112, 7079-7081. (d) 2-(α-Chloroallyl)-4,5-dicyclohexyl-1,3-dioxo-2-borolane: Hoffmann, R. W.; Stürmer, R.; Synlett 1990, 759-761. (e) Functionalized organozinc reagents: Knochel, P.; Brieden, W.; Rozema, M. J.; Eisenberg, C. Tetrahedron Lett. 1993, 34, 5881-5884.
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Duplanlier, A.J.1
Masamune, S.2
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21
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0038881947
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2: S. L. Schreiber, M. T. Goulet, J. Am. Chem. Soc. 1987, 109, 8120-8122 (footnote 13). (b) Enolate of (2-hydroxy-1,2,2-triphenylethyl(acetate: Mahler, U.; Devant, R. M.; Braun, M.; Chem. Ber. 1988, 121, 2035-2044; Braun, M.; Sacha, H. J. Prakt. Chem. 1993, 335, 635-668. (c) 2,5-Dimethylborolane enolate of (1,1-diethylpropylthio)acetate: Duplanlier, A. J.; Masamune, S. J. Am. Chem. Soc. 1990, 112, 7079-7081. (d) 2-(α-Chloroallyl)-4,5-dicyclohexyl-1,3-dioxo-2-borolane: Hoffmann, R. W.; Stürmer, R.; Synlett 1990, 759-761. (e) Functionalized organozinc reagents: Knochel, P.; Brieden, W.; Rozema, M. J.; Eisenberg, C. Tetrahedron Lett. 1993, 34, 5881-5884.
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(1990)
Synlett
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Hoffmann, R.W.1
Stürmer, R.2
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22
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0027258013
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2: S. L. Schreiber, M. T. Goulet, J. Am. Chem. Soc. 1987, 109, 8120-8122 (footnote 13). (b) Enolate of (2-hydroxy-1,2,2-triphenylethyl(acetate: Mahler, U.; Devant, R. M.; Braun, M.; Chem. Ber. 1988, 121, 2035-2044; Braun, M.; Sacha, H. J. Prakt. Chem. 1993, 335, 635-668. (c) 2,5-Dimethylborolane enolate of (1,1-diethylpropylthio)acetate: Duplanlier, A. J.; Masamune, S. J. Am. Chem. Soc. 1990, 112, 7079-7081. (d) 2-(α-Chloroallyl)-4,5-dicyclohexyl-1,3-dioxo-2-borolane: Hoffmann, R. W.; Stürmer, R.; Synlett 1990, 759-761. (e) Functionalized organozinc reagents: Knochel, P.; Brieden, W.; Rozema, M. J.; Eisenberg, C. Tetrahedron Lett. 1993, 34, 5881-5884.
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Tetrahedron Lett.
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, pp. 5881-5884
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Knochel, P.1
Brieden, W.2
Rozema, M.J.3
Eisenberg, C.4
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23
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0024377665
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(a) Ley, S. V.; Anthony, N. J.; Armstrong, A.; Brasca, M. G.; Clarke, T.; Culshaw, D.; Greck, C.; Grice, P.; Jones, A. B.; Lygo, B.; Madin, A.; Sheppard, R. N.; Slawin, A. M. Z.; Williams, D. J. Tetrahedron 1989, 45, 7161-7194.
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Ley, S.V.1
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Armstrong, A.3
Brasca, M.G.4
Clarke, T.5
Culshaw, D.6
Greck, C.7
Grice, P.8
Jones, A.B.9
Lygo, B.10
Madin, A.11
Sheppard, R.N.12
Slawin, A.M.Z.13
Williams, D.J.14
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24
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33751500471
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(b) Rychnovsky, S. D.; Griesgraber, G.; Zeller, S.; Skalitzky, D. J. J. Org. Chem. 1991, 56, 5161-5169.
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Rychnovsky, S.D.1
Griesgraber, G.2
Zeller, S.3
Skalitzky, D.J.4
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25
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0024593835
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Lipshutz, B. H.; Moretti, R.; Crow, R. Tetrahedron Lett. 1989, 30, 15-18.
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Lipshutz, B.H.1
Moretti, R.2
Crow, R.3
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26
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84971017828
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Gilman, H.; Blat, A. H., Eds., 2nd ed., John Wiley&Sons, New York
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Lespieau, R.; Bourguel, M. Org. Synth., Coll. Vol. 1 (Gilman, H.; Blat, A. H., Eds.), 2nd ed., John Wiley&Sons, New York, pp. 209-211.
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Org. Synth.
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Lespieau, R.1
Bourguel, M.2
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27
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1542759077
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note
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3), IR spectra (film), and - with the exception of compound 24 - combustion analyses.
-
-
-
-
28
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0000279636
-
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de Meijere, A. Angew. Chem. 1994, 106, 2473-2506; Angew. Chem. Int. Ed. Engl. 1994, 33, 2379.
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De Meijere, A.1
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0001217660
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de Meijere, A. Angew. Chem. 1994, 106, 2473-2506; Angew. Chem. Int. Ed. Engl. 1994, 33, 2379.
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-
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30
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33748956330
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Voigt, K.; Lansky, A.; Noltemeyer, M.; de Meijere, A. Liebigs Ann. 1996, 899-911.
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Voigt, K.1
Lansky, A.2
Noltemeyer, M.3
De Meijere, A.4
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32
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0023774255
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(b) Myers, A. G.; Proteau, P. J.; Handel, T. M. J. Am. Chem. Soc. 1988, 110, 7212-7214 (84% ee, 88% ee).
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Myers, A.G.1
Proteau, P.J.2
Handel, T.M.3
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34
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18844410382
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(a) Gao, Y.; Hanson, R. M.; Klunder, J. M.; Ko, S. Y.; Masamune, H.; Sharpless, K. B. J. Am. Chem. Soc. 1987, 109, 5765-5780.
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Gao, Y.1
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Ko, S.Y.4
Masamune, H.5
Sharpless, K.B.6
-
37
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33845557675
-
-
The ee of epoxyalcohol 12 was determined by gas chromatography on an enantiomerically pure stationary phase containing heptakis(2,6-di-O-methyl-3-O-pentyl)-β-cyclodextrin. The racemic epoxyalcohol 12 (synthesized for comparison purposes by the method of Mihelich, E. D.; Daniels, K.; Eickhoff, D. I. J. Am. Chem. Soc. 1981, 103, 7690-7692) exhibited two baseline-separated peaks of equal height. The enantio-enriched sample of 12 caused a major GLC peak which coincided with the more slowly emerging enantiomer of racemic 12 and a minor peak which had the same retention time as the more rapidly emerging enantiomer of racemic 12.
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J. Am. Chem. Soc.
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Mihelich, E.D.1
Daniels, K.2
Eickhoff, D.I.3
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38
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0025992586
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Aoyama, Y.; Urabe, H.; Sato, F. Tetrahedron Lett. 1991, 32, 6731-6734. This paper entails the first application of the procedure developed for the dictation-controlled reduction of α-chiral α,β-epoxy ketones by Nakata, T.; Tanaka, T.; Oishi, T Tetrahedron Lett. 1981, 22, 4723-4726 to a trans-configurated α,β-epoxy ketone.
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Tetrahedron Lett.
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, pp. 6731-6734
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Aoyama, Y.1
Urabe, H.2
Sato, F.3
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39
-
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0000814428
-
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Aoyama, Y.; Urabe, H.; Sato, F. Tetrahedron Lett. 1991, 32, 6731-6734. This paper entails the first application of the procedure developed for the dictation-controlled reduction of α-chiral α,β-epoxy ketones by Nakata, T.; Tanaka, T.; Oishi, T Tetrahedron Lett. 1981, 22, 4723-4726 to a trans-configurated α,β-epoxy ketone.
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Tetrahedron Lett.
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Nakata, T.1
Tanaka, T.2
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41
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0024347403
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Nakata, T.; Suenaga, T.; Nakashima, K.; Oishi, T. Tetrahedron Lett. 1989, 30, 6529-6532.
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Nakata, T.1
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Oishi, T.4
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44
-
-
1542444238
-
-
note
-
4Si (462.7): C 72.69, H 7.41; found: C 72.82. H 7.42.
-
-
-
-
45
-
-
0040155755
-
-
RajanBabu, T. V.; Nugent, W. A. J. Am. Chem. Soc. 1994, 116, 986-997. - Alternative regioselective reductions of epoxyalcohols (Kirshenbaum, K. S.; Sharpless, K. B. Chem. Lett. 1987, 11-14; Page, B. C. B.; Rayner, C. M.; Sutherland, I. O. J. Chem. Soc. Perkin Trans. I 1990, 2403-2408; Molander, G. A.; Hahn, G. J. Org. Chem. 1986, 51, 2596-2599) worked less satisfactory in our hands.
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RajanBabu, T.V.1
Nugent, W.A.2
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46
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0040155755
-
-
RajanBabu, T. V.; Nugent, W. A. J. Am. Chem. Soc. 1994, 116, 986-997. - Alternative regioselective reductions of epoxyalcohols (Kirshenbaum, K. S.; Sharpless, K. B. Chem. Lett. 1987, 11-14; Page, B. C. B.; Rayner, C. M.; Sutherland, I. O. J. Chem. Soc. Perkin Trans. I 1990, 2403-2408; Molander, G. A.; Hahn, G. J. Org. Chem. 1986, 51, 2596-2599) worked less satisfactory in our hands.
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(1987)
Chem. Lett.
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Kirshenbaum, K.S.1
Sharpless, K.B.2
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47
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37049075895
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RajanBabu, T. V.; Nugent, W. A. J. Am. Chem. Soc. 1994, 116, 986-997. - Alternative regioselective reductions of epoxyalcohols (Kirshenbaum, K. S.; Sharpless, K. B. Chem. Lett. 1987, 11-14; Page, B. C. B.; Rayner, C. M.; Sutherland, I. O. J. Chem. Soc. Perkin Trans. I 1990, 2403-2408; Molander, G. A.; Hahn, G. J. Org. Chem. 1986, 51, 2596-2599) worked less satisfactory in our hands.
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(1990)
J. Chem. Soc. Perkin Trans. I
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Page, B.C.B.1
Rayner, C.M.2
Sutherland, I.O.3
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48
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33845374408
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RajanBabu, T. V.; Nugent, W. A. J. Am. Chem. Soc. 1994, 116, 986-997. - Alternative regioselective reductions of epoxyalcohols (Kirshenbaum, K. S.; Sharpless, K. B. Chem. Lett. 1987, 11-14; Page, B. C. B.; Rayner, C. M.; Sutherland, I. O. J. Chem. Soc. Perkin Trans. I 1990, 2403-2408; Molander, G. A.; Hahn, G. J. Org. Chem. 1986, 51, 2596-2599) worked less satisfactory in our hands.
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Molander, G.A.1
Hahn, G.2
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49
-
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1542548795
-
-
note
-
We are indebted to Dr. Andreas Gansäuer (Universität Göttingen) for suggesting this method.
-
-
-
-
50
-
-
1542759078
-
-
note
-
4Si (462.7): C 72.69, H 7.41; found: C 72.36, H 7.18.
-
-
-
-
51
-
-
84988139460
-
-
22b and the data in footnote 19 of Menges, M.; Brückner, R. Synlett 1993, 901-905.- (b) Priepke, H; Brückner, R. manuscript in preparation for Liebigs Ann.; Allerheiligen, S.; Brückner, R. manuscript in preparation for Liebigs Ann.
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Menges, M.1
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52
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84988139460
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manuscript in preparation
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22b and the data in footnote 19 of Menges, M.; Brückner, R. Synlett 1993, 901-905.- (b) Priepke, H; Brückner, R. manuscript in preparation for Liebigs Ann.; Allerheiligen, S.; Brückner, R. manuscript in preparation for Liebigs Ann.
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Liebigs Ann.
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Priepke, H.1
Brückner, R.2
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53
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84988139460
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manuscript in preparation
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22b and the data in footnote 19 of Menges, M.; Brückner, R. Synlett 1993, 901-905.- (b) Priepke, H; Brückner, R. manuscript in preparation for Liebigs Ann.; Allerheiligen, S.; Brückner, R. manuscript in preparation for Liebigs Ann.
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Liebigs Ann.
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Allerheiligen, S.1
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0025058974
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33751385878
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(a) Rychnovsky, S. D.; Skalitzky, D. J. Tetrahedron Lett. 1990, 31, 945-948; Rychnovsky, S. D.; Rogers, B.; Yang, G. J. Org. Chem. 1993, 58, 3511-3515.
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(b) Evans, D. A.; Rieger, D. L.; Gage, J. R. Tetrahedron Lett. 1990, 31, 7099-7100.
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Evans, D.A.1
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Gage, J.R.3
|