-
9
-
-
0000011522
-
-
E.N. Jacobsen A. Pfaltz H. Yamamoto Springer Berlin
-
D. Enders, and K. Breuer E.N. Jacobsen A. Pfaltz H. Yamamoto Comprehensive Asymmetric Catalysis Vol. 2 1999 Springer Berlin 1093 1102
-
(1999)
Comprehensive Asymmetric Catalysis
, vol.2
, pp. 1093-1102
-
-
Enders, D.1
Breuer, K.2
-
13
-
-
0032916682
-
-
Y. Kawai, K. Hida, M. Tsujimoto, S. Kondo, K. Kitano, K. Nakamura, and A. Ohno Bull. Chem. Soc. Jpn. 72 1999 99
-
(1999)
Bull. Chem. Soc. Jpn.
, vol.72
, pp. 99
-
-
Kawai, Y.1
Hida, K.2
Tsujimoto, M.3
Kondo, S.4
Kitano, K.5
Nakamura, K.6
Ohno, A.7
-
23
-
-
84989550908
-
-
N. Hosoya, A. Hatayama, K. Ianai, H. Fujii, R. Irie, and T. Katsuki Synlett 1993 641
-
(1993)
Synlett
, pp. 641
-
-
Hosoya, N.1
Hatayama, A.2
Ianai, K.3
Fujii, H.4
Irie, R.5
Katsuki, T.6
-
26
-
-
0035804430
-
-
M. Koprowski, E. Krawczyk, A. Skowrońska, M. McPartlin, N. Choi, and S. Radojevic Tetrahedron 57 2001 1105
-
(2001)
Tetrahedron
, vol.57
, pp. 1105
-
-
Koprowski, M.1
Krawczyk, E.2
Skowroå.ska, A.3
McPartlin, M.4
Choi, N.5
Radojevic, S.6
-
27
-
-
0001091215
-
-
W. Adam, L. Hadjiarapoglou, V. Jager, J. Klicić, B. Seidel, and X. Wang Chem. Ber. 124 1991 2361
-
(1991)
Chem. Ber.
, vol.124
, pp. 2361
-
-
Adam, W.1
Hadjiarapoglou, L.2
Jager, V.3
Klicić, J.4
Seidel, B.5
Wang, X.6
-
30
-
-
85077897850
-
-
Enol phosphates 2a-h were prepared from the corresponding ketones by the action of dialkylphosphorochloridate, according to reported procedure: T. Hayashi, T. Fujiwa, Y. Okamoto, Y. Katsuro, and M. Kumada Synthesis 1981 1001
-
(1981)
Synthesis
, pp. 1001
-
-
Hayashi, T.1
Fujiwa, T.2
Okamoto, Y.3
Katsuro, Y.4
Kumada, M.5
-
33
-
-
0030876233
-
-
N.S. Finney, P.J. Pospisil, S. Chang, M. Palucki, R.G. Konsler, K.B. Hansen, and E.N. Jacobsen Angew. Chem., Int. Ed. 36 1997 1720
-
(1997)
Angew. Chem., Int. Ed.
, vol.36
, pp. 1720
-
-
Finney, N.S.1
Pospisil, P.J.2
Chang, S.3
Palucki, M.4
Konsler, R.G.5
Hansen, K.B.6
Jacobsen, E.N.7
-
34
-
-
4444362053
-
-
note
-
3 was added, the organic layer was separated, washed with water, and dried. After removal of the solvent, the residue was subjected to silica gel column chromatography with hexane-ethyl acetate (3:1 v/v) as the eluent, to afford pure, optically active α-hydroxy ketones 4
-
-
-
-
35
-
-
4444263657
-
-
note
-
+) 213.09155. Found 213.09102
-
-
-
-
36
-
-
4444247889
-
-
note
-
HPLC conditions: For entries 1, 2, 5, 8: Chiralcel OD, 5% i-PrOH in hexane, 0.4 mL/min; For entry 3: Chiralcel OD, 4% i-PrOH in hexane, 0.4 mL/min; For entry 4: Chiralcel OD, 3% i-PrOH in hexane, 0.3 mL/min; For entry 6: Chiralcel OD, 0.25% i-PrOH in hexane, 0.3 mL/min; For entry 7: Chiralcel OD, 0.5% i-PrOH in hexane, 0.5 mL/min. All runs were carried out at room temperature
-
-
-
-
37
-
-
4444305678
-
-
note
-
Racemic α-hydroxy ketones 4 were obtained by MCPBA acid oxidation of the corresponding enol phosphates 2a-h followed by the hydrolysis of resulted epoxides 3a-h with 25% of trifluoroacetic acid in ether solution at 5-10°C
-
-
-
-
38
-
-
0001276584
-
-
F.A. Davis, M.C. Weismiller, Ch. K. Murphy, R.T. Reddy, and Chen Band-Chi J. Org. Chem. 57 1992 7274
-
(1992)
J. Org. Chem.
, vol.57
, pp. 7274
-
-
Davis, F.A.1
Weismiller, M.C.2
Murphy Ch., K.3
Reddy, R.T.4
Chen, B.5
-
39
-
-
0032557705
-
-
A.S. Demir, H. Hamaruci, C. Tanyeli, J.M. Akhmedow, and F. Doganel Tetrahedron: Asymmetry 9 1998 1673
-
(1998)
Tetrahedron: Asymmetry
, vol.9
, pp. 1673
-
-
Demir, A.S.1
Hamaruci, H.2
Tanyeli, C.3
Akhmedow, J.M.4
Doganel, F.5
-
41
-
-
0003113195
-
-
H. Ohta, M. Ikemoto, I.I. Hiroyuki, Y. Okamoto, and G. Tsuchihashi Chem. Lett. 1986 1169
-
(1986)
Chem. Lett.
, pp. 1169
-
-
Ohta, H.1
Ikemoto, M.2
Hiroyuki, I.I.3
Okamoto, Y.4
Tsuchihashi, G.5
|