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1
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0009506491
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G. Helmchen R.W. Hoffman J. Mulzer E. Schaumann Georg Thieme Stuttgart
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Reviews of hydroxylation: F.A. Davis, and B.C. Chen G. Helmchen R.W. Hoffman J. Mulzer E. Schaumann Houben Weyl: Methods of Organic Chemistry Vol. E 21 1995 Georg Thieme Stuttgart 4497
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(1995)
Houben Weyl: Methods of Organic Chemistry
, vol.21
, pp. 4497
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Davis, F.A.1
Chen, B.C.2
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8
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4243057730
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Y. Hayashi, J. Yamaguchi, T. Sumiya, and M. Shoji Angew. Chem., Int. Ed. 43 2004 1112 1115
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(2004)
Angew. Chem., Int. Ed.
, vol.43
, pp. 1112-1115
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Hayashi, Y.1
Yamaguchi, J.2
Sumiya, T.3
Shoji, M.4
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9
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1842732184
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During the manuscript preparation, Yamamoto and co-workers reported a pyrrolidine tetrazole catalyzed the reaction: N. Momiyama, H. Torii, S. Saito, and H. Yamamoto Proc. Natl. Acad. Sci. U.S.A. 101 2004 5374 5378
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(2004)
Proc. Natl. Acad. Sci. U.S.A.
, vol.101
, pp. 5374-5378
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Momiyama, N.1
Torii, H.2
Saito, S.3
Yamamoto, H.4
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11
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0037043180
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For a review of proline-catalyzed asymmetric transformations, see: B. List Tetrahedron 58 2002 5573 5590
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(2002)
Tetrahedron
, vol.58
, pp. 5573-5590
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List, B.1
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12
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0037170944
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For a review of amino acids and peptides as catalysts, see: E.R. Jarvo, and S.J. Miller Tetrahedron 58 2002 2481 2495
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(2002)
Tetrahedron
, vol.58
, pp. 2481-2495
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Jarvo, E.R.1
Miller, S.J.2
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13
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0041878745
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For a review on amine-catalyzed reactions, see: S. France, D.J. Guerin, S.J. Miller, and T. Lectka Chem. Rev. 103 2003 2985 3012
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(2003)
Chem. Rev.
, vol.103
, pp. 2985-3012
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France, S.1
Guerin, D.J.2
Miller, S.J.3
Lectka, T.4
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14
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0035886887
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For a general review on organocatalysis, see: P.I. Dalko, and L. Moisan Angew. Chem., Int. Ed. 40 2001 3726 3748 and references cited therein
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(2001)
Angew. Chem., Int. Ed.
, vol.40
, pp. 3726-3748
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Dalko, P.I.1
Moisan, L.2
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15
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0034536438
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For a review on Shi ketone-based epoxidation catalyst, see: M. Frohn, and Y. Shi Synthesis 2000 1979 2000 and reference cited therein
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(2000)
Synthesis
, pp. 1979-2000
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Frohn, M.1
Shi, Y.2
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33
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0242432417
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For Other examples, see: Y. Huang, A.K. Unni, A.N. Thadani, and V.H. Rawal Nature 424 2003 146
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(2003)
Nature
, vol.424
, pp. 146
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Huang, Y.1
Unni, A.K.2
Thadani, A.N.3
Rawal, V.H.4
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35
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0037955602
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Z. Tang, F. Jiang, L.-T. Yu, X. Cui, L.-Z. Gong, A.-Q. Mi, Y.-Z. Jiang, and Y.-D. Wu J. Am. Chem. Soc. 125 2003 5262 5263
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(2003)
J. Am. Chem. Soc.
, vol.125
, pp. 5262-5263
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Tang, Z.1
Jiang, F.2
Yu, L.-T.3
Cui, X.4
Gong, L.-Z.5
Mi, A.-Q.6
Jiang, Y.-Z.7
Wu, Y.-D.8
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36
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2942641357
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H. Torii, M. Nakadai, K. Ishihara, S. Saito, and H. Yamamoto Angew. Chem., Int. Ed. 43 2004 1983 1986
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(2004)
Angew. Chem., Int. Ed.
, vol.43
, pp. 1983-1986
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Torii, H.1
Nakadai, M.2
Ishihara, K.3
Saito, S.4
Yamamoto, H.5
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38
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4444276557
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accepted for publication. doi:10.1016/j.tetlet.2004.08.032
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This catalyst can catalyze the Mannich-type reactions: Wang, W.; Wang, J.; Li, H. Tetrahedron Lett., accepted for publication. doi:10.1016/j.tetlet. 2004.08.032
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Tetrahedron Lett.
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Wang, W.1
Wang, J.2
Li, H.3
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39
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4444350211
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note
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We have found this catalyst can efficiently facilitate the asymmetric Aldol and Michael addition reactions
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44
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4444257143
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WO Patent 9203415, 1992
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Recently we have developed a more efficient 3-step synthesis of the catalyst from commercially available N-Cbz-l-prolinamide instead of 6-step from N-Cbz-l-Proline reported in the patent: Burch, R. M.; Patch, R. J.; Shearer, B. G.; Perumattam, J. J.; Natalie, K. J., Jr. WO Patent 9203415, 1992
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Burch, R.M.1
Patch, R.J.2
Shearer, B.G.3
Perumattam, J.J.4
Natalie Jr., K.J.5
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45
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4444383715
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note
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20 mol % I: 15 min, 84% yield, >99% ee; 10 mol % I: 30 min, 80% yield, >99% ee; 5 mol % I: 50 min, 72% yield, >99% ee; 2 mol % I: 2.5 h, 70% yield, >99% ee; 1 mol % I: 6.5 h, 64% yield, >99% ee
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