-
1
-
-
27444446247
-
-
Ed, R. Mahrwald, Wiley-VCH, Weinheim
-
a) Modern Aldol Reactions, Vol. 1, 2 (Ed.: R. Mahrwald), Wiley-VCH, Weinheim, 2004;
-
(2004)
Modern Aldol Reactions, Vol. 1, 2
-
-
-
2
-
-
0003544583
-
-
2nd ed, Ed, I. Ojima, Wiley-VCH, New York
-
b) E. M. Carreira in Catalytic Asymmetric Synthesis, 2nd ed. (Ed.: I. Ojima), Wiley-VCH, New York, 2000, pp. 513-542;
-
(2000)
Catalytic Asymmetric Synthesis
, pp. 513-542
-
-
Carreira, E.M.1
-
3
-
-
0003544583
-
-
2nd ed, Ed, I. Ojima, Wiley-VCH, New York
-
c) M. Sawamura, Y. Ito in Catalytic Asymmetric Synthesis, 2nd ed. (Ed.: I. Ojima), Wiley-VCH, New York, 2000, pp. 493-512;
-
(2000)
Catalytic Asymmetric Synthesis
, pp. 493-512
-
-
Sawamura, M.1
Ito, Y.2
-
5
-
-
33845376099
-
-
Other active methylene compounds have been used successfully in catalytic asymmetric addition reactions to aldehydes. Representative examples include: α-isocyanoacetate: a Y. Ito, M. Sawamura, T. Hayashi, J. Am. Chem. Soc. 1986, 108, 6405-6406;
-
Other active methylene compounds have been used successfully in catalytic asymmetric addition reactions to aldehydes. Representative examples include: α-isocyanoacetate: a) Y. Ito, M. Sawamura, T. Hayashi, J. Am. Chem. Soc. 1986, 108, 6405-6406;
-
-
-
-
6
-
-
84945959007
-
-
nitroalkane: b H. Sasai, T. Suzuki, S. Arai, T. Arai, M. Shibasaki, J. Am. Chem. Soc. 1992, 114, 4418-4420;
-
nitroalkane: b) H. Sasai, T. Suzuki, S. Arai, T. Arai, M. Shibasaki, J. Am. Chem. Soc. 1992, 114, 4418-4420;
-
-
-
-
8
-
-
0036495323
-
-
Angew. Chem. Int. Ed. 2002, 41, 861-863;
-
(2002)
Angew. Chem. Int. Ed
, vol.41
, pp. 861-863
-
-
-
9
-
-
0037466989
-
-
d) T. Ooi, K. Doda, K. Maruoka, J. Am. Chem. Soc. 2003, 125, 2054-2055;
-
(2003)
J. Am. Chem. Soc
, vol.125
, pp. 2054-2055
-
-
Ooi, T.1
Doda, K.2
Maruoka, K.3
-
10
-
-
0142040727
-
-
e) D. A. Evans, D. Seidel, M. Rueping, H. W. Lam, J. T. Shaw, C. W. Downey, J. Am. Chem. Soc. 2003, 125, 12692-12693;
-
(2003)
J. Am. Chem. Soc
, vol.125
, pp. 12692-12693
-
-
Evans, D.A.1
Seidel, D.2
Rueping, M.3
Lam, H.W.4
Shaw, J.T.5
Downey, C.W.6
-
11
-
-
34548532744
-
-
f) T. Arai, M. Watanabe, A. Yanagisawa, Org. Lett. 2007, 9, 3595-3597;
-
(2007)
Org. Lett
, vol.9
, pp. 3595-3597
-
-
Arai, T.1
Watanabe, M.2
Yanagisawa, A.3
-
12
-
-
0002062967
-
-
α-cyanopropionate: g R. Kuwano, H. Miyazaki, Y. Ito, Chem. Commun. 1998, 71-72.
-
α-cyanopropionate: g) R. Kuwano, H. Miyazaki, Y. Ito, Chem. Commun. 1998, 71-72.
-
-
-
-
13
-
-
0000965755
-
-
a) B. M. Trost, C. B. Lee, J. M. Weiss, J. Am. Chem. Soc. 1995, 117, 7247-7248.
-
(1995)
J. Am. Chem. Soc
, vol.117
, pp. 7247-7248
-
-
Trost, B.M.1
Lee, C.B.2
Weiss, J.M.3
-
14
-
-
0347613016
-
-
They also reported the reaction of Meldrum's acid and azalactone with benzyloxyallene to give related products; b B. M. Trost, C. Jäkel, B. Plietker, J. Am. Chem. Soc. 2003, 125, 4438-4439;
-
They also reported the reaction of Meldrum's acid and azalactone with benzyloxyallene to give related products; b) B. M. Trost, C. Jäkel, B. Plietker, J. Am. Chem. Soc. 2003, 125, 4438-4439;
-
-
-
-
15
-
-
28044446114
-
-
c) B. M. Trost, A. B. C. Simas, B. Plietker, C. Jäkel, J. Xie, Chem. Eur. J. 2005, 11, 7075-7082.
-
(2005)
Chem. Eur. J
, vol.11
, pp. 7075-7082
-
-
Trost, B.M.1
Simas, A.B.C.2
Plietker, B.3
Jäkel, C.4
Xie, J.5
-
17
-
-
0001078311
-
-
b) S. Marumoto, H. Kogen, S. Naruto, J. Org. Chem. 1998, 63, 2068-2069.
-
(1998)
J. Org. Chem
, vol.63
, pp. 2068-2069
-
-
Marumoto, S.1
Kogen, H.2
Naruto, S.3
-
18
-
-
2442462280
-
-
D. J. Buchanan, D. J. Dixon, F. A. Hernandez-Juan, Org. Lett. 2004, 6, 1357-1360.
-
(2004)
Org. Lett
, vol.6
, pp. 1357-1360
-
-
Buchanan, D.J.1
Dixon, D.J.2
Hernandez-Juan, F.A.3
-
19
-
-
34547210299
-
-
I. Fukuchi, Y. Hamashima, M. Sodeoka, Adv. Synth. Catal. 2007, 349, 509-512.
-
(2007)
Adv. Synth. Catal
, vol.349
, pp. 509-512
-
-
Fukuchi, I.1
Hamashima, Y.2
Sodeoka, M.3
-
20
-
-
34247228673
-
-
Recently, nonasymmetric hydroxymethylation of β-ketoesters with formalin catalyzed by an iron salt was reported: C. Ogawa, S. Kobayashi, Chem. Lett. 2007, 36, 56-57.
-
Recently, nonasymmetric hydroxymethylation of β-ketoesters with formalin catalyzed by an iron salt was reported: C. Ogawa, S. Kobayashi, Chem. Lett. 2007, 36, 56-57.
-
-
-
-
21
-
-
0037174368
-
-
Michael reaction: a Y. Hamashima, D. Hotta, M. Sodeoka, J. Am. Chem. Soc. 2002, 124, 11240-11241;
-
Michael reaction: a) Y. Hamashima, D. Hotta, M. Sodeoka, J. Am. Chem. Soc. 2002, 124, 11240-11241;
-
-
-
-
22
-
-
27544474635
-
-
b) Y. Hamashima, D. Hotta, N. Umebayashi, Y. Tsuchiya, T. Suzuki, M. Sodeoka, Adv. Synth. Catal. 2005, 347, 1576-1586;
-
(2005)
Adv. Synth. Catal
, vol.347
, pp. 1576-1586
-
-
Hamashima, Y.1
Hotta, D.2
Umebayashi, N.3
Tsuchiya, Y.4
Suzuki, T.5
Sodeoka, M.6
-
23
-
-
53549108955
-
-
Mannich-type reaction: c Y. Hamashima, N. Sasamoto, D. Hotta, H. Somei, N. Umebayashi, M. Sodeoka, Angew. Chem. 2005, 117, 1549-1553;
-
Mannich-type reaction: c) Y. Hamashima, N. Sasamoto, D. Hotta, H. Somei, N. Umebayashi, M. Sodeoka, Angew. Chem. 2005, 117, 1549-1553;
-
-
-
-
24
-
-
16244364063
-
-
Angew. Chem. Int. Ed. 2005, 44, 1525-1529;
-
(2005)
Angew. Chem. Int. Ed
, vol.44
, pp. 1525-1529
-
-
-
25
-
-
21244500409
-
-
Angew. Chem. 2005, 117, 1549-1553;
-
(2005)
Angew. Chem
, vol.117
, pp. 1549-1553
-
-
-
26
-
-
33750443223
-
-
d) N. Sasamoto, C. Dubs, Y. Hamashima, M. Sodeoka, J. Am. Chem. Soc. 2006, 128, 14010-14011;
-
(2006)
J. Am. Chem. Soc
, vol.128
, pp. 14010-14011
-
-
Sasamoto, N.1
Dubs, C.2
Hamashima, Y.3
Sodeoka, M.4
-
30
-
-
33847086576
-
-
b) S. Murata, M. Suzuki, R. Noyori, J. Am. Chem. Soc. 1980, 102, 3248-3249;
-
(1980)
J. Am. Chem. Soc
, vol.102
, pp. 3248-3249
-
-
Murata, S.1
Suzuki, M.2
Noyori, R.3
-
31
-
-
0000914963
-
-
c) S. Murata, M. Suzuki, R. Noyori, Tetrahedron 1988, 44, 4259-4275;
-
(1988)
Tetrahedron
, vol.44
, pp. 4259-4275
-
-
Murata, S.1
Suzuki, M.2
Noyori, R.3
-
33
-
-
0037119752
-
-
e) B. Jiang, X. Zhang, G. Shi, Tetrahedron Lett. 2002, 43, 6819-6821;
-
(2002)
Tetrahedron Lett
, vol.43
, pp. 6819-6821
-
-
Jiang, B.1
Zhang, X.2
Shi, G.3
-
34
-
-
0036138952
-
-
f) J. Cossy, F. Lutz, V. Alauze, C. Meyer, Synlett 2002, 45-48;
-
(2002)
Synlett
, pp. 45-48
-
-
Cossy, J.1
Lutz, F.2
Alauze, V.3
Meyer, C.4
-
35
-
-
20444447733
-
-
g) X. Li, A. Kurita, S. Man-e, A. Orita, J. Otera, Organometallics 2005, 24, 2567-2569.
-
(2005)
Organometallics
, vol.24
, pp. 2567-2569
-
-
Li, X.1
Kurita, A.2
Man-e, S.3
Orita, A.4
Otera, J.5
-
36
-
-
0742269526
-
-
Boron enolates generated in situ was also employed; h L.-S. Li, S. Das, S. C. Sinha, Org. Lett. 2004, 6, 127-130.
-
Boron enolates generated in situ was also employed; h) L.-S. Li, S. Das, S. C. Sinha, Org. Lett. 2004, 6, 127-130.
-
-
-
-
37
-
-
53549088418
-
-
Acetals were prepared according to the following reports. Ethyl acetal: a J. A. Vanallan, Org. Synth. Collect. IV 1963, 21-22;
-
Acetals were prepared according to the following reports. Ethyl acetal: a) J. A. Vanallan, Org. Synth. Collect. Vol. IV 1963, 21-22;
-
-
-
-
38
-
-
0002399843
-
-
b) B. Byrne, L. M. Lafleur Lawter, K. J. Wengenroth, J. Org. Chem. 1986, 51, 2607-2609;
-
(1986)
J. Org. Chem
, vol.51
, pp. 2607-2609
-
-
Byrne, B.1
Lafleur Lawter, L.M.2
Wengenroth, K.J.3
-
39
-
-
0038475420
-
-
Methyl acetal: c K. Mikami, H. Ohmura, Org. Lett. 2002, 4, 3355-3357;
-
Methyl acetal: c) K. Mikami, H. Ohmura, Org. Lett. 2002, 4, 3355-3357;
-
-
-
-
40
-
-
0028831530
-
-
Allyl acetal: d J. B. Brogan, J. E. Richard, C. K. Zercher, Synth. Commun. 1995, 25, 587-593;
-
Allyl acetal: d) J. B. Brogan, J. E. Richard, C. K. Zercher, Synth. Commun. 1995, 25, 587-593;
-
-
-
-
41
-
-
0141855401
-
-
Benzyl acetal: e T. Watahiki, Y. Akabane, S. Mori, T. Oriyama, Org. Lett. 2003, 5, 3045-3048.
-
Benzyl acetal: e) T. Watahiki, Y. Akabane, S. Mori, T. Oriyama, Org. Lett. 2003, 5, 3045-3048.
-
-
-
-
42
-
-
33750363180
-
-
We recently found that ethanol was oxidized in the presence of 1a to give a Pd-H species, which underwent asymmetric conjugate reduction of enones. See, Y. Tsuchiya, Y. Hamashima, M. Sodeoka, Org. Lett. 2006, 8, 4851-4854
-
We recently found that ethanol was oxidized in the presence of 1a to give a Pd-H species, which underwent asymmetric conjugate reduction of enones. See, Y. Tsuchiya, Y. Hamashima, M. Sodeoka, Org. Lett. 2006, 8, 4851-4854.
-
-
-
-
43
-
-
53549090245
-
-
We recently reported that the Pt-binap complex gave better results in the addition reaction of β-ketoesters to paraformaldehyde. See, reference [6
-
We recently reported that the Pt-binap complex gave better results in the addition reaction of β-ketoesters to paraformaldehyde. See, reference [6].
-
-
-
-
44
-
-
53549087871
-
-
2 gave poor results (11% yield and 0% ee after 45 h, 0% yield after 24 h, respectively).
-
2 gave poor results (11% yield and 0% ee after 45 h, 0% yield after 24 h, respectively).
-
-
-
-
45
-
-
53549084411
-
-
CCDC-66 2229 (4aa) and CCDC-677026 (4 cd) contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif. In the case of 4cd, X-ray analysis was carried out after the conversion to the corresponding camphor derivative. Details of the conversion and the crystallographic studies are described in the Supporting Information.
-
CCDC-66 2229 (4aa) and CCDC-677026 (4 cd) contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif. In the case of 4cd, X-ray analysis was carried out after the conversion to the corresponding camphor derivative. Details of the conversion and the crystallographic studies are described in the Supporting Information.
-
-
-
-
46
-
-
53549129815
-
-
A similar methyl acetal was formed when a catalytic asymmetric Michael reaction with acrolein was carried out in MeOH in the presence of 1a. See reference [8b
-
A similar methyl acetal was formed when a catalytic asymmetric Michael reaction with acrolein was carried out in MeOH in the presence of 1a. See reference [8b].
-
-
-
|