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For some reviews on β-lactam antibiotics, see: (a) Dürkheimer, W.; Blumbach, J.; Lattrell, R.; Scheunemann, K. H. Angew. Chem., Int. Ed. Engl. 1985, 24, 180. (b) Chemistry and Biology of β-Lactam Antibiotics; Morin, R. B., Gorman, M., Eds.; Academic Press: New York, 1982; Vols. 1-3. (c) Southgate, R.; Branch, C.; Coulton, S.; Hunt, E. In Recent Progress in the Chemical Synthesis of Antibiotics and Related Microbial Products; Lukacs, G., Ed.; Springer: Berlin, 1993; Vol. 2, p 621. (d) Southgate, R. Contemp. Org. Synth. 1994, 1, 417.
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For some reviews on β-lactam antibiotics, see: (a) Dürkheimer, W.; Blumbach, J.; Lattrell, R.; Scheunemann, K. H. Angew. Chem., Int. Ed. Engl. 1985, 24, 180. (b) Chemistry and Biology of β-Lactam Antibiotics; Morin, R. B., Gorman, M., Eds.; Academic Press: New York, 1982; Vols. 1-3. (c) Southgate, R.; Branch, C.; Coulton, S.; Hunt, E. In Recent Progress in the Chemical Synthesis of Antibiotics and Related Microbial Products; Lukacs, G., Ed.; Springer: Berlin, 1993; Vol. 2, p 621. (d) Southgate, R. Contemp. Org. Synth. 1994, 1, 417.
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For recent reviews on ketene-imine cycloadditions, see: (e) Ghosez, L.; Marchand-Brynaert, S. In Comprehensive Organic Synthesis; Trost, B., Fleming, I., Eds.; Pergamon: Oxford, 1991; Vol. 5, p 85.
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For the application of organometallic reagents in β-lactam synthesis, see: (e)
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For the application of organometallic reagents in β-lactam synthesis, see: (e) Barret, A. G. M.; Sturgess, M. A. Tetrahedron 1988, 44, 5615.
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For a review on organosilicon and organotin compounds in β-lactam synthesis, see: (f)
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For a review on organosilicon and organotin compounds in β-lactam synthesis, see: (f) Veinberg, G. A.; Lukevics, E. Heterocycles 1992, 38, 2309.
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0026014624
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For general reviews on the synthesis of β-lactams and 3-amino-β-lactams respectively, see: (a) Muller, E.; Bayer, O., Eds.; Thieme: Stuttgart
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For general reviews on the synthesis of β-lactams and 3-amino-β-lactams respectively, see: (a) Backes, J. In Houben-Weyl, Methoden der Organischen Chemie; Muller, E.; Bayer, O., Eds.; Band E16B, Thieme: Stuttgart, 1991; p 31. (b) van der Steen, F. H., van Koten, G. Tetrahedron 1991, 47, 7503.
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0026014624
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For general reviews on the synthesis of β-lactams and 3-amino-β-lactams respectively, see: (a) Backes, J. In Houben-Weyl, Methoden der Organischen Chemie; Muller, E.; Bayer, O., Eds.; Band E16B, Thieme: Stuttgart, 1991; p 31. (b) van der Steen, F. H., van Koten, G. Tetrahedron 1991, 47, 7503.
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Page M.I. The Chemistry of β-Lactams. 1992;Chapman and Hall, London.
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Palomo C., Aizpurua J.M., Benito A., Galarza R., Khamrai U.K., Vazquez J., DePascual-Teresa B., Nieto P.M., Linden A. Angew. Chem. Int. Ed. Engl. 38:1999;3056.
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Vazquez, J.6
Depascual-Teresa, B.7
Nieto, P.M.8
Linden, A.9
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28
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(a)
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(a) Palomo, C.; Aizpurua, J. M.; Legido, M.; Galarza, R.; Deya, P. M.; Dunogues, J.; Picard, J. P.; Ricci, A.; Seconi, G. Angew. Chem., Int. Ed. Engl. 1996, 35, 1239.
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Dunogues, J.6
Picard, J.P.7
Ricci, A.8
Seconi, G.9
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29
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(b) Palomo, C.; Aizpurua, J. M.; Legido, M.; Mielgo, A.; Galarza, R. Chem. Eur. J. 1997, 3, 1432.
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30
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0000568344
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-
This observation is general for virtually all kinds of β-lactam compounds. For some examples and leading references, see: (a)
-
This observation is general for virtually all kinds of β-lactam compounds. For some examples and leading references, see: (a) Kametani, T. Heterocycles 1982, 17, 463. (b) Bose, A. K.; Manhas, M. S.; Mathur, A.; Wagle, D. R. In Recent Progress in the Chemical Synthesis of Antibiotics and Related Microbial Products; Lukacs, G., Ed.; Springer: New York, 1993; Vol. 2, p 551.
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Kametani, T.1
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31
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0001542658
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-
(b) Lukacs, G., Ed.; Springer: New York
-
This observation is general for virtually all kinds of β-lactam compounds. For some examples and leading references, see: (a) Kametani, T. Heterocycles 1982, 17, 463. (b) Bose, A. K.; Manhas, M. S.; Mathur, A.; Wagle, D. R. In Recent Progress in the Chemical Synthesis of Antibiotics and Related Microbial Products; Lukacs, G., Ed.; Springer: New York, 1993; Vol. 2, p 551.
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, pp. 551
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Bose, A.K.1
Manhas, M.S.2
Mathur, A.3
Wagle, D.R.4
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32
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0002102562
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For reviews, see: (a) Georg, G. I., Ed.; VCH: New York
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For reviews, see: (a) Ojima, I. In The Organic Chemistry of β-Lactams; Georg, G. I., Ed.; VCH: New York, 1992; p 197. (b) Ojima, I. Acc. Chem. Res. 1995, 28, 383.
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Ojima, I.1
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33
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0000096261
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(b)
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For reviews, see: (a) Ojima, I. In The Organic Chemistry of β-Lactams; Georg, G. I., Ed.; VCH: New York, 1992; p 197. (b) Ojima, I. Acc. Chem. Res. 1995, 28, 383.
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Ojima, I.1
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35
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0001330151
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-
The imine 12 can easily be prepared by simple mixing of 33% formaldehyde aqueous solution and the readily available C,C-bis(trimethylsilyl)methylamine. The latter can be prepared in gram quantities from commercially available N,N-dimethylcyanamide or cyanotrimethylsilane, see: (a)
-
The imine 12 can easily be prepared by simple mixing of 33% formaldehyde aqueous solution and the readily available C,C-bis(trimethylsilyl)methylamine. The latter can be prepared in gram quantities from commercially available N,N-dimethylcyanamide or cyanotrimethylsilane, see: (a) Picard, J. P.; Grelier, S.; Constantieux, T.; Dunoguès, J.; Aizpurua, J. M.; Palomo, C.; Petraud, M.; Barbe, B.; Lunnazi, L.; Leger, J. M. Organometallics 1993, 12, 1378, (b) Grelier, S.; Constantieux, T.; Deffieux, D.; Bordeau, M.; Dunogues, J.; Picard, J. P.; Palomo, C.; Aizpurua, J. M. Organometallics 1994, 13, 3711 and also from bis(trimethylsilyl)chloromethane, see: (c) Palomo, C.; Aizpurua, J. M.; Garcia, J. M.; Legido, M. J. Chem. Soc; Chem. Commun. 1991, 524.
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Organometallics
, vol.12
, pp. 1378
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-
Picard, J.P.1
Grelier, S.2
Constantieux, T.3
Dunoguès, J.4
Aizpurua, J.M.5
Palomo, C.6
Petraud, M.7
Barbe, B.8
Lunnazi, L.9
Leger, J.M.10
-
36
-
-
0006563821
-
-
(b) and also from bis(trimethylsilyl)chloromethane, see:
-
The imine 12 can easily be prepared by simple mixing of 33% formaldehyde aqueous solution and the readily available C,C-bis(trimethylsilyl)methylamine. The latter can be prepared in gram quantities from commercially available N,N-dimethylcyanamide or cyanotrimethylsilane, see: (a) Picard, J. P.; Grelier, S.; Constantieux, T.; Dunoguès, J.; Aizpurua, J. M.; Palomo, C.; Petraud, M.; Barbe, B.; Lunnazi, L.; Leger, J. M. Organometallics 1993, 12, 1378, (b) Grelier, S.; Constantieux, T.; Deffieux, D.; Bordeau, M.; Dunogues, J.; Picard, J. P.; Palomo, C.; Aizpurua, J. M. Organometallics 1994, 13, 3711 and also from bis(trimethylsilyl)chloromethane, see: (c) Palomo, C.; Aizpurua, J. M.; Garcia, J. M.; Legido, M. J. Chem. Soc; Chem. Commun. 1991, 524.
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(1994)
Organometallics
, vol.13
, pp. 3711
-
-
Grelier, S.1
Constantieux, T.2
Deffieux, D.3
Bordeau, M.4
Dunogues, J.5
Picard, J.P.6
Palomo, C.7
Aizpurua, J.M.8
-
37
-
-
0025892596
-
-
(c)
-
The imine 12 can easily be prepared by simple mixing of 33% formaldehyde aqueous solution and the readily available C,C-bis(trimethylsilyl)methylamine. The latter can be prepared in gram quantities from commercially available N,N-dimethylcyanamide or cyanotrimethylsilane, see: (a) Picard, J. P.; Grelier, S.; Constantieux, T.; Dunoguès, J.; Aizpurua, J. M.; Palomo, C.; Petraud, M.; Barbe, B.; Lunnazi, L.; Leger, J. M. Organometallics 1993, 12, 1378, (b) Grelier, S.; Constantieux, T.; Deffieux, D.; Bordeau, M.; Dunogues, J.; Picard, J. P.; Palomo, C.; Aizpurua, J. M. Organometallics 1994, 13, 3711 and also from bis(trimethylsilyl)chloromethane, see: (c) Palomo, C.; Aizpurua, J. M.; Garcia, J. M.; Legido, M. J. Chem. Soc; Chem. Commun. 1991, 524.
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(1991)
J. Chem. Soc; Chem. Commun.
, pp. 524
-
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Palomo, C.1
Aizpurua, J.M.2
Garcia, J.M.3
Legido, M.4
-
40
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0002564165
-
-
For more detailed information on this subject, see: (a)
-
For more detailed information on this subject, see: (a) Caperucci, A.; Ricci, A.; Seconi, G.; Dunogues, J.; Grelier, S.; Picard, J. P.; Palomo, C.; Aizpurua, J. M. J. Organomet. Chem. 1993, 458, C1. (b) Palomo, C.; Aizpurua, J. M.; Galarza, R. Chem. Commun. 1997, 233. For the low temperature generation of formaldimines, see: (c) Barluenga, A. M.; Bayon, A. M.; Asensio, G. J. Chem. Soc, Chem. Commun. 1983, 1109. (d) Barluenga, A. M.; Bayon, A. M.; Asensio, G. J. Chem. Soc, Chem. Commun. 1984, 427.
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J. Organomet. Chem.
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Caperucci, A.1
Ricci, A.2
Seconi, G.3
Dunogues, J.4
Grelier, S.5
Picard, J.P.6
Palomo, C.7
Aizpurua, J.M.8
-
41
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0031020003
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-
(b)
-
For more detailed information on this subject, see: (a) Caperucci, A.; Ricci, A.; Seconi, G.; Dunogues, J.; Grelier, S.; Picard, J. P.; Palomo, C.; Aizpurua, J. M. J. Organomet. Chem. 1993, 458, C1. (b) Palomo, C.; Aizpurua, J. M.; Galarza, R. Chem. Commun. 1997, 233. For the low temperature generation of formaldimines, see: (c) Barluenga, A. M.; Bayon, A. M.; Asensio, G. J. Chem. Soc, Chem. Commun. 1983, 1109. (d) Barluenga, A. M.; Bayon, A. M.; Asensio, G. J. Chem. Soc, Chem. Commun. 1984, 427.
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(1997)
Chem. Commun.
, pp. 233
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Palomo, C.1
Aizpurua, J.M.2
Galarza, R.3
-
42
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37049094353
-
-
For the low temperature generation of formaldimines, see: (c)
-
For more detailed information on this subject, see: (a) Caperucci, A.; Ricci, A.; Seconi, G.; Dunogues, J.; Grelier, S.; Picard, J. P.; Palomo, C.; Aizpurua, J. M. J. Organomet. Chem. 1993, 458, C1. (b) Palomo, C.; Aizpurua, J. M.; Galarza, R. Chem. Commun. 1997, 233. For the low temperature generation of formaldimines, see: (c) Barluenga, A. M.; Bayon, A. M.; Asensio, G. J. Chem. Soc, Chem. Commun. 1983, 1109. (d) Barluenga, A. M.; Bayon, A. M.; Asensio, G. J. Chem. Soc, Chem. Commun. 1984, 427.
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J. Chem. Soc, Chem. Commun.
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Barluenga, A.M.1
Bayon, A.M.2
Asensio, G.3
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43
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37049107134
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-
(d)
-
For more detailed information on this subject, see: (a) Caperucci, A.; Ricci, A.; Seconi, G.; Dunogues, J.; Grelier, S.; Picard, J. P.; Palomo, C.; Aizpurua, J. M. J. Organomet. Chem. 1993, 458, C1. (b) Palomo, C.; Aizpurua, J. M.; Galarza, R. Chem. Commun. 1997, 233. For the low temperature generation of formaldimines, see: (c) Barluenga, A. M.; Bayon, A. M.; Asensio, G. J. Chem. Soc, Chem. Commun. 1983, 1109. (d) Barluenga, A. M.; Bayon, A. M.; Asensio, G. J. Chem. Soc, Chem. Commun. 1984, 427.
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-
-
Barluenga, A.M.1
Bayon, A.M.2
Asensio, G.3
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44
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85037925744
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-
Note
-
-3 and an absolute structure parameter of 0.02(12). The enantiomorph was chosen using the known S-configuration of the benzylic stereocenter in the oxazolidine ring and was confirmed independently by the crystal-structure analysis. The crystallographic data (excluding structure factors) for structure 17f have been deposited at the Cambridge Crystallographic Data Centre as supplementary publication no. CCDC-113859 and can be obtained free of charge on application to the CCDC, 12 Union Road, Cambridge, CB2 1EZ, UK. [e-mail: deposit@ccdc.cam.ac.uk].
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45
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85037928589
-
-
The acid chloride 15 was prepared according to the following sequence of reactions.The starting methyl ester was prepared according to Evans and Sjögren, see Ref. 15.
-
The acid chloride 15 was prepared according to the following sequence of reactions. The starting methyl ester was prepared according to Evans and Sjögren, see Ref. 15
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46
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8244235132
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Palomo C., Aizpurua J.M., Garcia J.M., Galarza R., Legido M., Urchegui R., Roman P., Luque A., Server-Carrio J., Linden A. J. Org. Chem. 62:1997;2070.
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Server-Carrio, J.9
Linden, A.10
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47
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84989550399
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For N-deformylation procedures, see: (a)
-
For N-deformylation procedures, see: (a) Farina, V.; Hauck, S. I.; Walker, D. Synlett 1992, 761. (b) Georg, G. I.; He, P.; Kant, J.; Wu, Z. J. Org. Chem. 1993, 58, 5771.
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Farina, V.1
Hauck, S.I.2
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0027439084
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(b)
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For N-deformylation procedures, see: (a) Farina, V.; Hauck, S. I.; Walker, D. Synlett 1992, 761. (b) Georg, G. I.; He, P.; Kant, J.; Wu, Z. J. Org. Chem. 1993, 58, 5771.
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(a) Juaristi, E., Ed.; Wiley-VCH: New York
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(a) Palomo, C.; Aizpurua, J. M.; Ganboa, I. In Enantioselective Synthesis of β-Amino Acids; Juaristi, E., Ed.; Wiley-VCH: New York, 1997; p 279.
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(b) Palomo, C.; Aizpurua, J. M.; Ganboa, I.; Oiarbide, M. Amino Acids 1999, 16, 321.
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For some examples on α-branched β-aminoalanine derivatives, see: (a)
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For some examples on α-branched β-aminoalanine derivatives, see: (a) Hartwig, W.; Mittendorf, J. Synthesis 1991, 939. (b) Seebach, D.; Studer, A.; Pfammatter, E.; Widmer, H. Helv. Chim. Acta 1994, 77, 2035. (c) Jones, R. C. F.; Crockett, A. K.; Rees, D. C.; Gilbert, I. H. Tetrahedron Asymmetry 1994, 5, 1661. (d) Gilbert, I. H.; Rees, D. C.; Crockett, A. K.; Jones, R. C. F. Tetrahedron 1995, 51, 6315. (e) Badorrey, R.; Cativiela, C.; Diaz-de-Villegas, M. D.; Galvez, J. A. Tetrahedron Asymmetry 1995, 6, 2787. (f) Obrecht, D.; Karajiannis, H.; Lehmann, C.; Schönholzer, P.; Spiegler, C.; Müller, K. Helv. Chim. Acta 1995, 78, 703. (g) Acton, J. J., III; Jones, A. B. Tetrahedron Lett. 1996, 37, 4319.
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For some examples on α-branched β-aminoalanine derivatives, see: (a) Hartwig, W.; Mittendorf, J. Synthesis 1991, 939. (b) Seebach, D.; Studer, A.; Pfammatter, E.; Widmer, H. Helv. Chim. Acta 1994, 77, 2035. (c) Jones, R. C. F.; Crockett, A. K.; Rees, D. C.; Gilbert, I. H. Tetrahedron Asymmetry 1994, 5, 1661. (d) Gilbert, I. H.; Rees, D. C.; Crockett, A. K.; Jones, R. C. F. Tetrahedron 1995, 51, 6315. (e) Badorrey, R.; Cativiela, C.; Diaz-de-Villegas, M. D.; Galvez, J. A. Tetrahedron Asymmetry 1995, 6, 2787. (f) Obrecht, D.; Karajiannis, H.; Lehmann, C.; Schönholzer, P.; Spiegler, C.; Müller, K. Helv. Chim. Acta 1995, 78, 703. (g) Acton, J. J., III; Jones, A. B. Tetrahedron Lett. 1996, 37, 4319.
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(c)
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For some examples on α-branched β-aminoalanine derivatives, see: (a) Hartwig, W.; Mittendorf, J. Synthesis 1991, 939. (b) Seebach, D.; Studer, A.; Pfammatter, E.; Widmer, H. Helv. Chim. Acta 1994, 77, 2035. (c) Jones, R. C. F.; Crockett, A. K.; Rees, D. C.; Gilbert, I. H. Tetrahedron Asymmetry 1994, 5, 1661. (d) Gilbert, I. H.; Rees, D. C.; Crockett, A. K.; Jones, R. C. F. Tetrahedron 1995, 51, 6315. (e) Badorrey, R.; Cativiela, C.; Diaz-de-Villegas, M. D.; Galvez, J. A. Tetrahedron Asymmetry 1995, 6, 2787. (f) Obrecht, D.; Karajiannis, H.; Lehmann, C.; Schönholzer, P.; Spiegler, C.; Müller, K. Helv. Chim. Acta 1995, 78, 703. (g) Acton, J. J., III; Jones, A. B. Tetrahedron Lett. 1996, 37, 4319.
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For some examples on α-branched β-aminoalanine derivatives, see: (a) Hartwig, W.; Mittendorf, J. Synthesis 1991, 939. (b) Seebach, D.; Studer, A.; Pfammatter, E.; Widmer, H. Helv. Chim. Acta 1994, 77, 2035. (c) Jones, R. C. F.; Crockett, A. K.; Rees, D. C.; Gilbert, I. H. Tetrahedron Asymmetry 1994, 5, 1661. (d) Gilbert, I. H.; Rees, D. C.; Crockett, A. K.; Jones, R. C. F. Tetrahedron 1995, 51, 6315. (e) Badorrey, R.; Cativiela, C.; Diaz-de-Villegas, M. D.; Galvez, J. A. Tetrahedron Asymmetry 1995, 6, 2787. (f) Obrecht, D.; Karajiannis, H.; Lehmann, C.; Schönholzer, P.; Spiegler, C.; Müller, K. Helv. Chim. Acta 1995, 78, 703. (g) Acton, J. J., III; Jones, A. B. Tetrahedron Lett. 1996, 37, 4319.
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(e)
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For some examples on α-branched β-aminoalanine derivatives, see: (a) Hartwig, W.; Mittendorf, J. Synthesis 1991, 939. (b) Seebach, D.; Studer, A.; Pfammatter, E.; Widmer, H. Helv. Chim. Acta 1994, 77, 2035. (c) Jones, R. C. F.; Crockett, A. K.; Rees, D. C.; Gilbert, I. H. Tetrahedron Asymmetry 1994, 5, 1661. (d) Gilbert, I. H.; Rees, D. C.; Crockett, A. K.; Jones, R. C. F. Tetrahedron 1995, 51, 6315. (e) Badorrey, R.; Cativiela, C.; Diaz-de-Villegas, M. D.; Galvez, J. A. Tetrahedron Asymmetry 1995, 6, 2787. (f) Obrecht, D.; Karajiannis, H.; Lehmann, C.; Schönholzer, P.; Spiegler, C.; Müller, K. Helv. Chim. Acta 1995, 78, 703. (g) Acton, J. J., III; Jones, A. B. Tetrahedron Lett. 1996, 37, 4319.
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For some examples on α-branched β-aminoalanine derivatives, see: (a) Hartwig, W.; Mittendorf, J. Synthesis 1991, 939. (b) Seebach, D.; Studer, A.; Pfammatter, E.; Widmer, H. Helv. Chim. Acta 1994, 77, 2035. (c) Jones, R. C. F.; Crockett, A. K.; Rees, D. C.; Gilbert, I. H. Tetrahedron Asymmetry 1994, 5, 1661. (d) Gilbert, I. H.; Rees, D. C.; Crockett, A. K.; Jones, R. C. F. Tetrahedron 1995, 51, 6315. (e) Badorrey, R.; Cativiela, C.; Diaz-de-Villegas, M. D.; Galvez, J. A. Tetrahedron Asymmetry 1995, 6, 2787. (f) Obrecht, D.; Karajiannis, H.; Lehmann, C.; Schönholzer, P.; Spiegler, C.; Müller, K. Helv. Chim. Acta 1995, 78, 703. (g) Acton, J. J., III; Jones, A. B. Tetrahedron Lett. 1996, 37, 4319.
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