-
3
-
-
0001728892
-
-
D. Seebach, Angew. Chem. 1979, 91, 259; Angew. Chem. Int. Ed. Engl. 1979, 18, 239.
-
(1979)
Angew. Chem.
, vol.91
, pp. 259
-
-
Seebach, D.1
-
4
-
-
0018454939
-
-
D. Seebach, Angew. Chem. 1979, 91, 259; Angew. Chem. Int. Ed. Engl. 1979, 18, 239.
-
(1979)
Angew. Chem. Int. Ed. Engl.
, vol.18
, pp. 239
-
-
-
6
-
-
6044245863
-
-
b) J. S. Johnson, Angew. Chem. 2004, 116, 1348; Angew. Chem. Int. Ed. 2004, 43, 1326.
-
(2004)
Angew. Chem.
, vol.116
, pp. 1348
-
-
Johnson, J.S.1
-
7
-
-
2942611657
-
-
b) J. S. Johnson, Angew. Chem. 2004, 116, 1348; Angew. Chem. Int. Ed. 2004, 43, 1326.
-
(2004)
Angew. Chem. Int. Ed.
, vol.43
, pp. 1326
-
-
-
11
-
-
0001070365
-
-
(Ed.: L. A. Paquette), Wiley, New York
-
a) H. Stetter, H. Kuhlmann in Organic Reactions, Vol. 40 (Ed.: L. A. Paquette), Wiley, New York, 1991, pp. 407-496;
-
(1991)
Organic Reactions, Vol. 40
, vol.40
, pp. 407-496
-
-
Stetter, H.1
Kuhlmann, H.2
-
13
-
-
3042770459
-
-
For new approaches in the organocatalyzed umpolung of aldehydes, see: opening of epoxyaldehydes: a) K. Y.-K. Chow, J. W. Bode, J. Am. Chem. Soc. 2004, 126, 8126;
-
(2004)
J. Am. Chem. Soc.
, vol.126
, pp. 8126
-
-
Chow, K.Y.-K.1
Bode, J.W.2
-
14
-
-
3543074145
-
-
redox reactions of α-haloaldehydes: b) N. T. Reynolds, J. Read de Alaniz, T. Rovis, J. Am. Chem. Soc. 2004, 126, 9518;
-
(2004)
J. Am. Chem. Soc.
, vol.126
, pp. 9518
-
-
Reynolds, N.T.1
Read De Alaniz, J.2
Rovis, T.3
-
15
-
-
0037025733
-
-
conversion of α,β-unsaturated aldehydes into saturated carboxylic acid derivatives by using stoichiometric amounts of trimethylsilyl cyanide: c) H. Kawabata, M. Hayashi, Tetrahedron Lett. 2092, 43, 5645.
-
(2092)
Tetrahedron Lett.
, vol.43
, pp. 5645
-
-
Kawabata, H.1
Hayashi, M.2
-
17
-
-
0000163012
-
-
b) D. Hoppe, Angew. Chem. 1984, 96, 930; Angew. Chem. Int. Ed. Engl. 1984, 23, 932;
-
(1984)
Angew. Chem.
, vol.96
, pp. 930
-
-
Hoppe, D.1
-
18
-
-
0021558291
-
-
b) D. Hoppe, Angew. Chem. 1984, 96, 930; Angew. Chem. Int. Ed. Engl. 1984, 23, 932;
-
(1984)
Angew. Chem. Int. Ed. Engl.
, vol.23
, pp. 932
-
-
-
20
-
-
0000976736
-
-
T. Ukai, R. Tanaka, T. Dokawa, J. Pharm. Soc. Jpn. 1943, 63, 296 [Chem. Abstr. 1951, 45, 5148].
-
(1943)
J. Pharm. Soc. Jpn.
, vol.63
, pp. 296
-
-
Ukai, T.1
Tanaka, R.2
Dokawa, T.3
-
21
-
-
4243712434
-
-
T. Ukai, R. Tanaka, T. Dokawa, J. Pharm. Soc. Jpn. 1943, 63, 296 [Chem. Abstr. 1951, 45, 5148].
-
(1951)
Chem. Abstr.
, vol.45
, pp. 5148
-
-
-
22
-
-
0001075235
-
-
For reviews on NHCs, see: a) W. A. Herrmann, Angew. Chem. 2002, 114, 1342; Angew. Chem. Int. Ed. 2002, 41, 1291;
-
(2002)
Angew. Chem.
, vol.114
, pp. 1342
-
-
Herrmann, W.A.1
-
23
-
-
0001627662
-
-
For reviews on NHCs, see: a) W. A. Herrmann, Angew. Chem. 2002, 114, 1342; Angew. Chem. Int. Ed. 2002, 41, 1291;
-
(2002)
Angew. Chem. Int. Ed.
, vol.41
, pp. 1291
-
-
-
24
-
-
0000419378
-
-
b) W. A. Herrmann, C. Köcher, Angew. Chem. 1997, 109, 2256; Angew. Chem. Int. Ed. Engl. 1997, 36, 2162;
-
(1997)
Angew. Chem.
, vol.109
, pp. 2256
-
-
Herrmann, W.A.1
Köcher, C.2
-
25
-
-
0030660076
-
-
b) W. A. Herrmann, C. Köcher, Angew. Chem. 1997, 109, 2256; Angew. Chem. Int. Ed. Engl. 1997, 36, 2162;
-
(1997)
Angew. Chem. Int. Ed. Engl.
, vol.36
, pp. 2162
-
-
-
27
-
-
0002138516
-
-
d) D. Bourissou, O. Guerret, F. P. Gabbaï, G. Bertrand, Chem. Rev. 2000, 100, 39.
-
(2000)
Chem. Rev.
, vol.100
, pp. 39
-
-
Bourissou, D.1
Guerret, O.2
Gabbaï, F.P.3
Bertrand, G.4
-
29
-
-
0000926963
-
-
for carbine-catalyzed transesterifications, see: b) G. A. Grasa, R. M. Kissling, S. P. Nolan, Org. Lett. 2002, 4, 3583;
-
(2002)
Org. Lett.
, vol.4
, pp. 3583
-
-
Grasa, G.A.1
Kissling, R.M.2
Nolan, S.P.3
-
30
-
-
0000913836
-
-
c) G. W. Nyce, J. A. Lamboy, E. F. Connor, R. M. Waymouth, J. L. Hedrick, Org. Lett. 2002, 4, 3587;
-
(2002)
Org. Lett.
, vol.4
, pp. 3587
-
-
Nyce, G.W.1
Lamboy, J.A.2
Connor, E.F.3
Waymouth, R.M.4
Hedrick, J.L.5
-
31
-
-
0242500893
-
-
d) G. A. Grasa, T. Güveli, R. Singh, S. P. Nolan, J. Org. Chem. 2003, 68, 2812;
-
(2003)
J. Org. Chem.
, vol.68
, pp. 2812
-
-
Grasa, G.A.1
Güveli, T.2
Singh, R.3
Nolan, S.P.4
-
32
-
-
0037433492
-
-
e) G. W. Nyce, T. Glauser, E. F. Connor, A. Möck, R. M. Waymouth, J. L. Hedrick, J. Am. Chem. Soc. 2003, 125, 3046;
-
(2003)
J. Am. Chem. Soc.
, vol.125
, pp. 3046
-
-
Nyce, G.W.1
Glauser, T.2
Connor, E.F.3
Möck, A.4
Waymouth, R.M.5
Hedrick, J.L.6
-
33
-
-
0347361511
-
-
f) R. Singh, R. M. Kissling, M.-A. Letellier, S. P. Nolan, J. Org. Chem. 2004, 69, 209.
-
(2004)
J. Org. Chem.
, vol.69
, pp. 209
-
-
Singh, R.1
Kissling, R.M.2
Letellier, M.-A.3
Nolan, S.P.4
-
35
-
-
10044244350
-
-
2 (SHELXL-97). CCDC-246 600 (cis-1d) and CCDC-250238 (u-4b) contain the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/conts/retrieving.html (or from the Cambridge Crystallographic Data Centre, 12, Union Road, Cambridge CB21EZ, UK; fax: (+44) 1223-336-033; or deposit@ccdc.cam.ac.uk).
-
-
-
-
36
-
-
0037120881
-
-
Some enzymes are intriguingly selective catalysts and enable the crossed and asymmetric benzoin condensation: a) P. Dünkelmann, D. Kolter-Jung, A. Nitsche, A. S. Demir, P. Siegert, B. Lingen, M. Baumann, M. Pohl, M. Müller, J. Am. Chem. Soc. 2002, 124, 12084;
-
(2002)
J. Am. Chem. Soc.
, vol.124
, pp. 12084
-
-
Dünkelmann, P.1
Kolter-Jung, D.2
Nitsche, A.3
Demir, A.S.4
Siegert, P.5
Lingen, B.6
Baumann, M.7
Pohl, M.8
Müller, M.9
-
38
-
-
0038427222
-
-
For comparison: similar γ-butyrolactones can be formed highly diastereoselectively in six steps from cinnamaldehyde by using stoichiometric amounts of a zirconium complex: a) D. Enders, M. Kroll, G. Raabe, J. Runsink, Angew. Chem. 1998, 110, 1770; Angew. Chem. Int. Ed. 1998, 37, 1673;
-
(1998)
Angew. Chem.
, vol.110
, pp. 1770
-
-
Enders, D.1
Kroll, M.2
Raabe, G.3
Runsink, J.4
-
39
-
-
0032479386
-
-
For comparison: similar γ-butyrolactones can be formed highly diastereoselectively in six steps from cinnamaldehyde by using stoichiometric amounts of a zirconium complex: a) D. Enders, M. Kroll, G. Raabe, J. Runsink, Angew. Chem. 1998, 110, 1770; Angew. Chem. Int. Ed. 1998, 37, 1673;
-
(1998)
Angew. Chem. Int. Ed.
, vol.37
, pp. 1673
-
-
-
40
-
-
0034710503
-
-
for some recent, less stereoselective syntheses of related γ-butyrolactones, see: b) M. C. Whisler, L. Vaillancourt, P. Beak, Org. Lett. 2000, 2, 2655;
-
(2000)
Org. Lett.
, vol.2
, pp. 2655
-
-
Whisler, M.C.1
Vaillancourt, L.2
Beak, P.3
-
41
-
-
0033550311
-
-
c) N. Kise, Y. Hirata, T. Hamaguchi, N. Ueda, Tetrahedron Lett. 1999, 40, 8125;
-
(1999)
Tetrahedron Lett.
, vol.40
, pp. 8125
-
-
Kise, N.1
Hirata, Y.2
Hamaguchi, T.3
Ueda, N.4
-
42
-
-
0001840864
-
-
d) D. J. Pippel, M. D. Curtis, H. Du, P. Beak, J. Org. Chem. 1998, 63, 2.
-
(1998)
J. Org. Chem.
, vol.63
, pp. 2
-
-
Pippel, D.J.1
Curtis, M.D.2
Du, H.3
Beak, P.4
-
43
-
-
0038375618
-
-
The intermolecular addition of umpoled aldehydes to ketones is a challenging problem. The intramolecular benzoin condensation of an aldehyde and a ketone was recently reported: Y. Hachisu, J. W. Bode, K. Suzuki, J. Am. Chem. Soc. 2003, 125, 8432.
-
(2003)
J. Am. Chem. Soc.
, vol.125
, pp. 8432
-
-
Hachisu, Y.1
Bode, J.W.2
Suzuki, K.3
-
44
-
-
10044257137
-
-
note
-
Preliminary experiments show that other ketones can be used as electrophiles and alkyl-substituted α,β-unsaturated aldehydes can be used as nucleophiles after conjugate umpolung; we will report on these results in due course.
-
-
-
-
45
-
-
10044224010
-
-
note
-
Isolated as a mixture of diastereomers.
-
-
-
-
46
-
-
0012570714
-
-
a) D. Enders, U. Kallfass, Angew. Chem. 2002, 114, 1822; Angew. Chem. Int. Ed. 2002, 41, 1743;
-
(2002)
Angew. Chem.
, vol.114
, pp. 1822
-
-
Enders, D.1
Kallfass, U.2
-
47
-
-
0036263823
-
-
a) D. Enders, U. Kallfass, Angew. Chem. 2002, 114, 1822; Angew. Chem. Int. Ed. 2002, 41, 1743;
-
(2002)
Angew. Chem. Int. Ed.
, vol.41
, pp. 1743
-
-
-
49
-
-
0037019628
-
-
a) M. S. Kerr, J. Read de Alaniz, T. Rovis, J. Am. Chem. Soc. 2002, 124, 10298;
-
(2002)
J. Am. Chem. Soc.
, vol.124
, pp. 10298
-
-
Kerr, M.S.1
Read De Alaniz, J.2
Rovis, T.3
-
51
-
-
3242812738
-
-
enantioselective formation of quarternary stereocenters: c) M. S. Kerr, T. Rovis, J. Am. Chem. Soc. 2004, 126, 8876;
-
(2004)
J. Am. Chem. Soc.
, vol.126
, pp. 8876
-
-
Kerr, M.S.1
Rovis, T.2
-
52
-
-
0001710837
-
-
see also: d) D. Enders, K. Breuer, J. Runsink, J. H. Teles, Helv. Chim. Acta 1996, 79, 1899.
-
(1996)
Helv. Chim. Acta
, vol.79
, pp. 1899
-
-
Enders, D.1
Breuer, K.2
Runsink, J.3
Teles, J.H.4
-
53
-
-
0036434263
-
-
a) F. Glorius, G. Altenhoff, R. Goddard, C. Lehmann, Chem. Commun. 2002, 2704;
-
(2002)
Chem. Commun.
, pp. 2704
-
-
Glorius, F.1
Altenhoff, G.2
Goddard, R.3
Lehmann, C.4
-
54
-
-
1842717280
-
-
for the successful application of these ligands in the Suzuki cross-coupling of sterically hindered aryl chlorides, see: b) G. Altenhoff, R. Goddard, C. W. Lehmann, F. Glorius, Angew. Chem. 2003, 115, 3818; Angew. Chem. Int. Ed. 2003, 42, 3690;
-
(2003)
Angew. Chem.
, vol.115
, pp. 3818
-
-
Altenhoff, G.1
Goddard, R.2
Lehmann, C.W.3
Glorius, F.4
-
55
-
-
0042969355
-
-
for the successful application of these ligands in the Suzuki cross-coupling of sterically hindered aryl chlorides, see: b) G. Altenhoff, R. Goddard, C. W. Lehmann, F. Glorius, Angew. Chem. 2003, 115, 3818; Angew. Chem. Int. Ed. 2003, 42, 3690;
-
(2003)
Angew. Chem. Int. Ed.
, vol.42
, pp. 3690
-
-
-
57
-
-
7744232978
-
-
13.10., doi 101021/ja044714b
-
In parallel to this work, a manuscript describing a similar transformation was published: S. S. Sohn, E. L. Rosen, J. W. Bode, J. Am. Chem. Soc., 13.10.2004, doi 10.1021/ja044714b.
-
(2004)
J. Am. Chem. Soc.
-
-
Sohn, S.S.1
Rosen, E.L.2
Bode, J.W.3
|