Abstract
Mannich-type reactions of ketene silyl acetals with aldimines proceeded smoothly under
the influence of 10 mol% of a cyclic chiral phosphate derivative derived from (R)-BINOL as a chiral Brønsted acid catalyst to furnish β-amino esters with excellent
enantioselectivities.
Key words
chiral Brønsted acid - asymmetric synthesis - catalyst - Mannich-type reaction - β-amino
esters
References
For reviews on Mannich and Mannich-type reactions, see:
<A NAME="RE19207SS-1A">1a</A>
Kleinman EF. In Comprehensive Organic Synthesis
Vol. 2:
Trost BM.
Fleming I.
Pergamon Press;
Oxford:
1991.
p.893
<A NAME="RE19207SS-1B">1b</A>
Arend M.
Westermann B.
Risch N.
Angew. Chem. Int. Ed.
1998,
37:
1044
For reviews on catalytic asymmetric Mannich-type reactions, see:
<A NAME="RE19207SS-2A">2a</A>
Kobayashi S.
Ueno M. In
Comprehensive Asymmetric Catalysis
Jacobsen EN.
Pfaltz A.
Yamamoto H.
Springer;
Berlin:
2003.
Suppl. 1; Chap. 29.5.
p.143
<A NAME="RE19207SS-2B">2b</A>
Friestad GK.
Mathiesa AK.
Tetrahedron
2007,
63:
2541
For selected examples
<A NAME="RE19207SS-3A">3a</A>
Ishitani H.
Ueno M.
Kobayashi S.
J. Am. Chem. Soc.
1997,
119:
7153
<A NAME="RE19207SS-3B">3b</A>
Hagiwara E.
Fujii A.
Sodeoka M.
J. Am. Chem. Soc.
1998,
120:
2474
<A NAME="RE19207SS-3C">3c</A>
Fujii A.
Hagiwara E.
Sodeoka M.
J. Am. Chem. Soc.
1999,
121:
5450
<A NAME="RE19207SS-3D">3d</A>
Xue S.
Yu S.
Deng Y.
Wulff WD.
Angew. Chem. Int. Ed.
2001,
40:
2271
<A NAME="RE19207SS-3E">3e</A>
Trost BM.
Terrell LR.
J. Am. Chem. Soc.
2003,
125:
338
<A NAME="RE19207SS-3F">3f</A>
Juhl K.
Gathergood N.
Jørgensen KA.
Angew. Chem. Int. Ed.
2001,
40:
2995
<A NAME="RE19207SS-3G">3g</A>
Ferraris D.
Young B.
Dudding T.
Lectka T.
J. Am. Chem. Soc.
1998,
120:
4548
<A NAME="RE19207SS-3H">3h</A>
Ferraris D.
Dudding T.
Young B.
Drury WJ.
Lectka T.
J. Org. Chem.
1999,
64:
2168
<A NAME="RE19207SS-3I">3i</A>
Taggi AE.
Hafez AM.
Lectka T.
Acc. Chem. Res.
2003,
36:
10
<A NAME="RE19207SS-3J">3j</A>
Matsunaga S.
Kumagai N.
Harada S.
Shibasaki M.
J. Am. Chem. Soc.
2003,
125:
4712
<A NAME="RE19207SS-3K">3k</A>
Marques MMB.
Angew. Chem. Int. Ed.
2006,
45:
348
<A NAME="RE19207SS-3L">3l</A>
Josephsohn NS.
Snapper ML.
Hoveyda AH.
J. Am. Chem. Soc.
2004,
126:
3734
<A NAME="RE19207SS-4A">4a</A>
Dalko PI.
Moisan L.
Angew. Chem. Int. Ed.
2001,
40:
3726
<A NAME="RE19207SS-4B">4b</A>
Dalko PI.
Moisan L.
Angew. Chem. Int. Ed.
2004,
43:
5138
<A NAME="RE19207SS-4C">4c</A> Special issue on organocatalysis: Acc. Chem. Res.
2004,
37:
487-631
<A NAME="RE19207SS-4D">4d</A>
Special issue on organocatalysis: Adv. Synth. Catal.
2004,
346:
1021-1249
<A NAME="RE19207SS-4E">4e</A>
Berkessel A.
Gröger H.
Asymmetric Organocatalysis
Miley-VCH;
Weinheim:
2005.
<A NAME="RE19207SS-4F">4f</A>
Seayad J.
List B.
Org. Biomol. Chem.
2005,
3:
719
<A NAME="RE19207SS-4G">4g</A>
Enantioselective Organocatalysis
Dalko PI.
Wiley-VCH;
Weinheim:
2007.
<A NAME="RE19207SS-5A">5a</A>
List B.
Pojarliev P.
Biller WT.
Martin HJ.
J. Am. Chem. Soc.
2002,
124:
827
<A NAME="RE19207SS-5B">5b</A>
Notz W.
Tanaka F.
Carlos F.
Barbas I.
Acc. Chem. Res.
2004,
37:
580
<A NAME="RE19207SS-5C">5c</A>
Enders D.
Grondal C.
Vrettou M.
Raabe G.
Angew. Chem. Int. Ed.
2005,
44:
4079
<A NAME="RE19207SS-6">6</A>
Wenzel AG.
Jacobsen EN.
J. Am. Chem. Soc.
2002,
124:
12964
<A NAME="RE19207SS-7A">7a</A>
Song J.
Wang Y.
Deng L.
J. Am. Chem. Soc.
2006,
128:
6048
<A NAME="RE19207SS-7B">7b</A>
Song J.
Shih H.-W.
Deng L.
Org. Lett.
2007,
9:
603
<A NAME="RE19207SS-8">8</A>
For a review, see: Ting, A.; Schaus, S. E. Eur. J. Org. Chem., in press.
<A NAME="RE19207SS-9A">9a</A>
Akiyama T.
Itoh J.
Yokota K.
Fuchibe K.
Angew. Chem. Int. Ed.
2004,
43:
1566
<A NAME="RE19207SS-9B">9b</A>
Yamanaka M.
Itoh J.
Fuchibe K.
Akiyama T.
J. Am. Chem. Soc.
2007,
129:
6756
<A NAME="RE19207SS-10A">10a</A>
Akiyama T.
Morita H.
Itoh J.
Fuchibe K.
Org. Lett.
2005,
7:
2583
<A NAME="RE19207SS-10B">10b</A>
Akiyama T.
Saitoh Y.
Morita H.
Fuchibe K.
Adv. Synth. Catal.
2005,
347:
1523
<A NAME="RE19207SS-10C">10c</A>
Akiyama T.
Tamura Y.
Itoh J.
Morita H.
Fuchibe K.
Synlett
2006,
141
<A NAME="RE19207SS-10D">10d</A>
Itoh J.
Akiyama T.
Fuchibe K.
Angew. Chem. Int. Ed.
2006,
45:
4796
<A NAME="RE19207SS-10E">10e</A>
Akiyama T.
Morita H.
Fuchibe K.
J. Am. Chem. Soc.
2006,
128:
13070
For selected examples, see:
<A NAME="RE19207SS-11A">11a</A>
Uraguchi D.
Sorimachi K.
Terada M.
J. Am. Chem. Soc.
2004,
126:
11804
<A NAME="RE19207SS-11B">11b</A>
Rowland GB.
Zhang H.
Rowland EB.
Chennamadhavuni S.
Wang Y.
Antilla J.
J. Am. Chem. Soc.
2005,
127:
15696
<A NAME="RE19207SS-11C">11c</A>
Rueping M.
Sugiono E.
Azap C.
Theissmann T.
Bolte M.
Org. Lett.
2005,
7:
3781
<A NAME="RE19207SS-11D">11d</A>
Hoffman S.
Seayad AM.
List B.
Angew. Chem. Int. Ed.
2005,
44:
7424
<A NAME="RE19207SS-11E">11e</A>
Storer RI.
Carrera DE.
Ni Y.
MacMillan DWC.
J. Am. Chem. Soc.
2006,
128:
84
<A NAME="RE19207SS-11F">11f</A>
Seayad J.
Seayad AM.
List B.
J. Am. Chem. Soc.
2006,
128:
1086
<A NAME="RE19207SS-11G">11g</A>
Rueping M.
Sugiono E.
Azap C.
Angew. Chem. Int. Ed.
2006,
45:
2617
<A NAME="RE19207SS-11H">11h</A>
Rueping M.
Antonchick AP.
Theissmann T.
Angew. Chem. Int. Ed.
2006,
45:
3683
<A NAME="RE19207SS-11I">11i</A>
Nakashima D.
Yamamoto H.
J. Am. Chem. Soc.
2006,
128:
9626
<A NAME="RE19207SS-11J">11j</A>
Hoffmann S.
Nicoletti M.
List B.
J. Am. Chem. Soc.
2006,
128:
13074
<A NAME="RE19207SS-11K">11k</A>
Martin NJA.
List B.
J. Am. Chem. Soc.
2006,
128:
13368
<A NAME="RE19207SS-11L">11l</A>
Chen X.-H.
Xu X.-Y.
Liu H.
Cun L.-F.
Gong L.-Z.
J. Am. Chem. Soc.
2006,
128:
14802
<A NAME="RE19207SS-11M">11m</A>
Rueping M.
Azap C.
Angew. Chem. Int. Ed.
2006,
45:
7832
<A NAME="RE19207SS-11N">11n</A>
Liu H.
Cun L.-F.
Mi A.-Q.
Jiang Y.-Z.
Gong L.-Z.
Org. Lett.
2006,
8:
6023
<A NAME="RE19207SS-11O">11o</A>
Terada M.
Sorimachi K.
J. Am. Chem. Soc.
2007,
129:
292
<A NAME="RE19207SS-11P">11p</A>
Kang Q.
Zhao Z.-A.
You S.-L.
J. Am. Chem. Soc.
2007,
129:
1484
<A NAME="RE19207SS-11Q">11q</A>
Rueping M.
Ieawsuwan W.
Antonchick AP.
Nachtsheim BJ.
Angew. Chem. Int. Ed.
2007,
46:
2097
<A NAME="RE19207SS-11R">11r</A>
Li G.
Liang Y.
Antilla JC.
J. Am. Chem. Soc.
2007,
129:
5830
For reviews, see:
<A NAME="RE19207SS-12A">12a</A>
Akiyama T.
Itoh J.
Fuchibe K.
Adv. Synth. Catal.
2006,
348:
999
<A NAME="RE19207SS-12B">12b</A>
Connon SJ.
Angew. Chem. Int. Ed.
2006,
45:
3909
<A NAME="RE19207SS-12C">12c</A>
Akiyama, T. Chem. Rev. 2007, 107, 5744.
<A NAME="RE19207SS-13A">13a</A>
Uraguchi D.
Terada M.
J. Am. Chem. Soc.
2004,
126:
5356
<A NAME="RE19207SS-13B">13b</A>
Gridnev ID.
Kouchi M.
Sorimachi K.
Terada M.
Tetrahedron Lett.
2007,
48:
497
<A NAME="RE19207SS-13C">13c</A>
Guo Q.-X.
Liu H.
Guo C.
Luo S.-W.
Gu Y.
Gong L.-Z.
J. Am. Chem. Soc.
2007,
129:
3790
<A NAME="RE19207SS-14">14</A>
For the preparation of 3c, see ref. 9b.