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Katritzky, A. R., Rees, C. W., Scriven, E. F. V., Padwa, A. Eds.; Pergamon: Oxford
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For a general review: De Kimpe, N. In Comprehensive Heterocyclic Chemistry II; Katritzky, A. R., Rees, C. W., Scriven, E. F. V., Padwa, A. Eds.; Pergamon: Oxford, 1996; Vol 1B, p 507.
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Comprehensive Heterocyclic Chemistry II
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De Kimpe, N.1
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For a general account: Wilmouth, R. C.; Kassamally, S.; Westwood, N. J.; Sheppard, R. J.; Claridge, T. D. W.; Aplin, R. T.; Wright, P. A.; Pritchard, G. J.; Schofield, C. J. Biochemistry 1999, 38, 7989.
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Biochemistry
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Wilmouth, R.C.1
Kassamally, S.2
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Sheppard, R.J.4
Claridge, T.D.W.5
Aplin, R.T.6
Wright, P.A.7
Pritchard, G.J.8
Schofield, C.J.9
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3
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0032707721
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Review: Palomo, C.; Aizpurua, J. M.; Iñaki, G.; Oiarbide, M. Eur. J. Org. Chem. 1999, 3223, 3.
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Eur. J. Org. Chem.
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Palomo, C.1
Aizpurua, J.M.2
Iñaki, G.3
Oiarbide, M.4
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(a) Davoli, P.; Moretti, I.; Prati, F.; Alper, H. J. Org. Chem. 1999, 64, 518.
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Davoli, P.1
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(b) Calet, S.; Urso, F.; Alper, H. J. Am. Chem. Soc. 1989, 111, 931.
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Calet, S.1
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Wack, H.; Drury, W. J., III; Taggi, A. E.; Ferraris, D.; Lectka, T. Org. Lett. 1999, 1, 1985.
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Org. Lett.
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Wack, H.1
Drury W.J. III2
Taggi, A.E.3
Ferraris, D.4
Lectka, T.5
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7
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0032576117
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We have used α-imino ester 2a in the catalytic, asymmetric synthesis of α-amino acid derivatives: (a) Drury, W. J., III; Ferraris, D.; Cox, C.; Young, B.; Lectka, T. J. Am. Chem. Soc. 1998, 120, 11006. (b) Ferraris, D.; Young, B.; Dudding, T.; Lectka, T. J. Am. Chem. Soc. 1998, 120, 4548. Imine 2a was first used in work by: Tschaen, D. H.; Turos, E.; Weinreb, S. M. J. Org. Chem. 1984, 49, 5058.
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(1998)
J. Am. Chem. Soc.
, vol.120
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Drury W.J. III1
Ferraris, D.2
Cox, C.3
Young, B.4
Lectka, T.5
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8
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0001209391
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We have used α-imino ester 2a in the catalytic, asymmetric synthesis of α-amino acid derivatives: (a) Drury, W. J., III; Ferraris, D.; Cox, C.; Young, B.; Lectka, T. J. Am. Chem. Soc. 1998, 120, 11006. (b) Ferraris, D.; Young, B.; Dudding, T.; Lectka, T. J. Am. Chem. Soc. 1998, 120, 4548. Imine 2a was first used in work by: Tschaen, D. H.; Turos, E.; Weinreb, S. M. J. Org. Chem. 1984, 49, 5058.
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(1998)
J. Am. Chem. Soc.
, vol.120
, pp. 4548
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Ferraris, D.1
Young, B.2
Dudding, T.3
Lectka, T.4
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9
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0001388951
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We have used α-imino ester 2a in the catalytic, asymmetric synthesis of α-amino acid derivatives: (a) Drury, W. J., III; Ferraris, D.; Cox, C.; Young, B.; Lectka, T. J. Am. Chem. Soc. 1998, 120, 11006. (b) Ferraris, D.; Young, B.; Dudding, T.; Lectka, T. J. Am. Chem. Soc. 1998, 120, 4548. Imine 2a was first used in work by: Tschaen, D. H.; Turos, E.; Weinreb, S. M. J. Org. Chem. 1984, 49, 5058.
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J. Org. Chem.
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Tschaen, D.H.1
Turos, E.2
Weinreb, S.M.3
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10
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0033615304
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Ring opening of β-lactams under mild conditions provides access to various optically pure β-amino acid derivatives whose synthesis is of recent interest, see: Myers, J. K.; Jacobsen, E. N. J. Am. Chem. Soc. 1999, 121, 8959.
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(1999)
J. Am. Chem. Soc.
, vol.121
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Myers, J.K.1
Jacobsen, E.N.2
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11
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84948256942
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Hydrogen bond contacts have been postulated to play similar roles in the Baylis-Hillman reaction: Ameer, F.; Drewes, S. E.; Freese, S.; Kaye, P. T. Synth Commun. 1988, 18, 495.
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(1988)
Synth Commun.
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Ameer, F.1
Drewes, S.E.2
Freese, S.3
Kaye, P.T.4
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12
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0003515364
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For other, excellent uses of cinchona alkaloids in asymmetric synthesis see: Ester synthesis; (a) Samtleben, R.; Pracejus, H. J. Prakt. Chem. 1972, 314, 157. Lactone synthesis; (b) Wynberg, H.; Staring, E. G. J. J. Am. Chem. Soc. 1982, 104, 166. Ketene dimerization; Calter, M. A. J. Org. Chem. 1996, 61, 8006. Calter, M. A.; Guo, X. J. Org. Chem. 1998, 63, 5308. Baylis-Hillman reaction; (e) Iwabuchi, Y.; Nakatani, M.; Yokoyama, N.; Hatukeyama, S. J. Am. Chem. Soc. 1999, 120, 10219. Osmylation reactions; (f) Kolb, H. C.; VanNieuwenzhe, M. S.; Sharpless, K. B. Chem. Rev. 1994, 94, 2483. Phase-transfer catalysis; (g) Corey, E. J.; Bo, Y.; Busch-Petersen, J. J. Am. Chem. Soc. 1999, 120, 13000.
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J. Prakt. Chem.
, vol.314
, pp. 157
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Samtleben, R.1
Pracejus, H.2
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13
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0001119728
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For other, excellent uses of cinchona alkaloids in asymmetric synthesis see: Ester synthesis; (a) Samtleben, R.; Pracejus, H. J. Prakt. Chem. 1972, 314, 157. Lactone synthesis; (b) Wynberg, H.; Staring, E. G. J. J. Am. Chem. Soc. 1982, 104, 166. Ketene dimerization; Calter, M. A. J. Org. Chem. 1996, 61, 8006. Calter, M. A.; Guo, X. J. Org. Chem. 1998, 63, 5308. Baylis-Hillman reaction; (e) Iwabuchi, Y.; Nakatani, M.; Yokoyama, N.; Hatukeyama, S. J. Am. Chem. Soc. 1999, 120, 10219. Osmylation reactions; (f) Kolb, H. C.; VanNieuwenzhe, M. S.; Sharpless, K. B. Chem. Rev. 1994, 94, 2483. Phase-transfer catalysis; (g) Corey, E. J.; Bo, Y.; Busch-Petersen, J. J. Am. Chem. Soc. 1999, 120, 13000.
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(1982)
J. Am. Chem. Soc.
, vol.104
, pp. 166
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Wynberg, H.1
Staring, E.G.J.2
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14
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0001547021
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For other, excellent uses of cinchona alkaloids in asymmetric synthesis see: Ester synthesis; (a) Samtleben, R.; Pracejus, H. J. Prakt. Chem. 1972, 314, 157. Lactone synthesis; (b) Wynberg, H.; Staring, E. G. J. J. Am. Chem. Soc. 1982, 104, 166. Ketene dimerization; Calter, M. A. J. Org. Chem. 1996, 61, 8006. Calter, M. A.; Guo, X. J. Org. Chem. 1998, 63, 5308. Baylis-Hillman reaction; (e) Iwabuchi, Y.; Nakatani, M.; Yokoyama, N.; Hatukeyama, S. J. Am. Chem. Soc. 1999, 120, 10219. Osmylation reactions; (f) Kolb, H. C.; VanNieuwenzhe, M. S.; Sharpless, K. B. Chem. Rev. 1994, 94, 2483. Phase-transfer catalysis; (g) Corey, E. J.; Bo, Y.; Busch-Petersen, J. J. Am. Chem. Soc. 1999, 120, 13000.
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(1996)
J. Org. Chem.
, vol.61
, pp. 8006
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Calter, M.A.1
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15
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0000820593
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For other, excellent uses of cinchona alkaloids in asymmetric synthesis see: Ester synthesis; (a) Samtleben, R.; Pracejus, H. J. Prakt. Chem. 1972, 314, 157. Lactone synthesis; (b) Wynberg, H.; Staring, E. G. J. J. Am. Chem. Soc. 1982, 104, 166. Ketene dimerization; Calter, M. A. J. Org. Chem. 1996, 61, 8006. Calter, M. A.; Guo, X. J. Org. Chem. 1998, 63, 5308. Baylis-Hillman reaction; (e) Iwabuchi, Y.; Nakatani, M.; Yokoyama, N.; Hatukeyama, S. J. Am. Chem. Soc. 1999, 120, 10219. Osmylation reactions; (f) Kolb, H. C.; VanNieuwenzhe, M. S.; Sharpless, K. B. Chem. Rev. 1994, 94, 2483. Phase-transfer catalysis; (g) Corey, E. J.; Bo, Y.; Busch-Petersen, J. J. Am. Chem. Soc. 1999, 120, 13000.
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(1998)
J. Org. Chem.
, vol.63
, pp. 5308
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Calter, M.A.1
Guo, X.2
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16
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0033520752
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For other, excellent uses of cinchona alkaloids in asymmetric synthesis see: Ester synthesis; (a) Samtleben, R.; Pracejus, H. J. Prakt. Chem. 1972, 314, 157. Lactone synthesis; (b) Wynberg, H.; Staring, E. G. J. J. Am. Chem. Soc. 1982, 104, 166. Ketene dimerization; Calter, M. A. J. Org. Chem. 1996, 61, 8006. Calter, M. A.; Guo, X. J. Org. Chem. 1998, 63, 5308. Baylis-Hillman reaction; (e) Iwabuchi, Y.; Nakatani, M.; Yokoyama, N.; Hatukeyama, S. J. Am. Chem. Soc. 1999, 120, 10219. Osmylation reactions; (f) Kolb, H. C.; VanNieuwenzhe, M. S.; Sharpless, K. B. Chem. Rev. 1994, 94, 2483. Phase-transfer catalysis; (g) Corey, E. J.; Bo, Y.; Busch-Petersen, J. J. Am. Chem. Soc. 1999, 120, 13000.
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(1999)
J. Am. Chem. Soc.
, vol.120
, pp. 10219
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Iwabuchi, Y.1
Nakatani, M.2
Yokoyama, N.3
Hatukeyama, S.4
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17
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4444276636
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For other, excellent uses of cinchona alkaloids in asymmetric synthesis see: Ester synthesis; (a) Samtleben, R.; Pracejus, H. J. Prakt. Chem. 1972, 314, 157. Lactone synthesis; (b) Wynberg, H.; Staring, E. G. J. J. Am. Chem. Soc. 1982, 104, 166. Ketene dimerization; Calter, M. A. J. Org. Chem. 1996, 61, 8006. Calter, M. A.; Guo, X. J. Org. Chem. 1998, 63, 5308. Baylis-Hillman reaction; (e) Iwabuchi, Y.; Nakatani, M.; Yokoyama, N.; Hatukeyama, S. J. Am. Chem. Soc. 1999, 120, 10219. Osmylation reactions; (f) Kolb, H. C.; VanNieuwenzhe, M. S.; Sharpless, K. B. Chem. Rev. 1994, 94, 2483. Phase-transfer catalysis; (g) Corey, E. J.; Bo, Y.; Busch-Petersen, J. J. Am. Chem. Soc. 1999, 120, 13000.
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(1994)
Chem. Rev.
, vol.94
, pp. 2483
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Kolb, H.C.1
VanNieuwenzhe, M.S.2
Sharpless, K.B.3
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18
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0032539189
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For other, excellent uses of cinchona alkaloids in asymmetric synthesis see: Ester synthesis; (a) Samtleben, R.; Pracejus, H. J. Prakt. Chem. 1972, 314, 157. Lactone synthesis; (b) Wynberg, H.; Staring, E. G. J. J. Am. Chem. Soc. 1982, 104, 166. Ketene dimerization; Calter, M. A. J. Org. Chem. 1996, 61, 8006. Calter, M. A.; Guo, X. J. Org. Chem. 1998, 63, 5308. Baylis-Hillman reaction; (e) Iwabuchi, Y.; Nakatani, M.; Yokoyama, N.; Hatukeyama, S. J. Am. Chem. Soc. 1999, 120, 10219. Osmylation reactions; (f) Kolb, H. C.; VanNieuwenzhe, M. S.; Sharpless, K. B. Chem. Rev. 1994, 94, 2483. Phase-transfer catalysis; (g) Corey, E. J.; Bo, Y.; Busch-Petersen, J. J. Am. Chem. Soc. 1999, 120, 13000.
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(1999)
J. Am. Chem. Soc.
, vol.120
, pp. 13000
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Corey, E.J.1
Bo, Y.2
Busch-Petersen, J.3
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19
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33845185214
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(h) O'Donnell, M. J.; Bennett, W. D.; Wu, S. J. Am. Chem. Soc. 1989, 111, 2353. Peptide based catalysis;
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(1989)
J. Am. Chem. Soc.
, vol.111
, pp. 2353
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O'Donnell, M.J.1
Bennett, W.D.2
Wu, S.3
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20
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0033596302
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Jarvo, E. R, Copeland, G. T.; Papaioannou, N.; Bonitatebus, P. J. Jr.; Miller, S. J. J. Am. Chem. Soc. 1999; 121; 11638.
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J. Am. Chem. Soc.
, vol.121
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Jarvo, E.R.1
Copeland, G.T.2
Papaioannou, N.3
Bonitatebus P.J., Jr.4
Miller, S.J.5
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22
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0342320484
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For further details on the conduct of this reaction, including stereochemical proofs, see the Supporting Information
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For further details on the conduct of this reaction, including stereochemical proofs, see the Supporting Information.
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23
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0032704431
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Nelson, S. G.; Peelen, T. J.; Wan, Z. J. Am. Chem. Soc. 1999, 121, 9742. Additional information can be found in: Tidwell, T. T. Ketenes; John Wiley & Sons: New York, 1995.
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(1999)
J. Am. Chem. Soc.
, vol.121
, pp. 9742
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Nelson, S.G.1
Peelen, T.J.2
Wan, Z.3
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24
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0032704431
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John Wiley & Sons: New York
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Nelson, S. G.; Peelen, T. J.; Wan, Z. J. Am. Chem. Soc. 1999, 121, 9742. Additional information can be found in: Tidwell, T. T. Ketenes; John Wiley & Sons: New York, 1995.
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(1995)
Ketenes
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Tidwell, T.T.1
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25
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0343625537
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A procedure for the in situ generation of ketenes, utilizing basic scavenger resins, is under development and will be published in due course
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A procedure for the in situ generation of ketenes, utilizing basic scavenger resins, is under development and will be published in due course.
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28
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0342320480
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See the Supporting Information for general procedures
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See the Supporting Information for general procedures.
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29
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0343189946
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The nonoptimal yields may be due to slow polymerization of the imine
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The nonoptimal yields may be due to slow polymerization of the imine.
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30
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0024987599
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β-Lactam 1d has been investigated by DuPont-Merck as an inhibitor of human elastase: Firestone, R. A.; Barker, P. L.; Pisano, J. M.; Ashe, B. M.; Dahlgren, M. E. Tetrahedron 1990, 46, 2255.
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Tetrahedron
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Firestone, R.A.1
Barker, P.L.2
Pisano, J.M.3
Ashe, B.M.4
Dahlgren, M.E.5
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31
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0029080089
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Ring opening of these β-lactams provides entry to various syn-alkyl-substituted aspartic acids. For a previous synthesis from β, β-disubstituted α-enamides through catalytic hydrogenation, see: (a) Burk, M. J.; Gross, M. F.; Martinez, J. P. J. Am. Chem. Soc. 1995, 117, 9375. Synthesis from β-lactams; (b) Palomo, C.; Aizpurua, J. M.; Ontoria, J. M.; Iturburu, M. Tetrahedron Lett. 1992, 33, 4823.
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(1995)
J. Am. Chem. Soc.
, vol.117
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Burk, M.J.1
Gross, M.F.2
Martinez, J.P.3
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32
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0026640945
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Ring opening of these β-lactams provides entry to various syn-alkyl- substituted aspartic acids. For a previous synthesis from β, β-disubstituted α-enamides through catalytic hydrogenation, see: (a) Burk, M. J.; Gross, M. F.; Martinez, J. P. J. Am. Chem. Soc. 1995, 117, 9375. Synthesis from β-lactams; (b) Palomo, C.; Aizpurua, J. M.; Ontoria, J. M.; Iturburu, M. Tetrahedron Lett. 1992, 33, 4823.
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Tetrahedron Lett.
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Palomo, C.1
Aizpurua, J.M.2
Ontoria, J.M.3
Iturburu, M.4
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33
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0342755315
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In propionitrile solvent, benzoylquinine 6a functions as a highly diastereoeselective catalyst, yielding product 1c with a dr of 95/5
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In propionitrile solvent, benzoylquinine 6a functions as a highly diastereoeselective catalyst, yielding product 1c with a dr of 95/5.
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34
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0032477277
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2 is known to deprotect N-benzyloxy β-lactams: (a) Romo, D.; Rzasa, R. M.; Shea, H. A.; Park, K.; Langenhan, J. M.; Sun, L.; Akhiezer, A.; Liu, J. O. J. Am. Chem. Soc. 1998, 120, 12237.
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J. Am. Chem. Soc.
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Romo, D.1
Rzasa, R.M.2
Shea, H.A.3
Park, K.4
Langenhan, J.M.5
Sun, L.6
Akhiezer, A.7
Liu, J.O.8
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