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Volumn 64, Issue 20, 1999, Pages 7657-7660

A single-pot, mild conversion of β-lactones to β-lactams

Author keywords

[No Author keywords available]

Indexed keywords

BETA LACTAM DERIVATIVE; LACTONE DERIVATIVE;

EID: 0345466514     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo990826n     Document Type: Article
Times cited : (27)

References (35)
  • 2
    • 0000201501 scopus 로고
    • For reviews, see: (a) Southgate, R.; Branch, C.; Coulton, S.; Hunt, E. In Recent Progress in the Chemical Synthesis of Antibiotics and Related Microbial Products; Lukacks, G., Ed.; Springer: Berlin, 1993; Vol. 2, p 621. (b) Southgate, R. Contemp. Org. Synth. 1994, 1, 417.
    • (1994) Contemp. Org. Synth. , vol.1 , pp. 417
    • Southgate, R.1
  • 4
    • 0027175468 scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1993) Synthesis , pp. 441-449
    • Pommier, A.1    Pons, J.-M.2
  • 5
    • 0028006928 scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1994) Tetrahedron Lett. , vol.35 , pp. 8947-8950
    • Mead, K.T.1    Lu, J.2
  • 6
    • 0027996185 scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1994) Tetrahedron Lett. , vol.35 , pp. 7605-7608
    • Ratemi, E.S.1    Vederas, J.C.2
  • 7
    • 0002545339 scopus 로고    scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1996) Synlett , pp. 278-280
    • Zemribo, R.1    Champ, M.S.2    Romo, D.3
  • 8
    • 0002950790 scopus 로고    scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1996) Synlett , pp. 1065-1066
    • Mead, K.T.1    Zemribo, R.2
  • 9
    • 0001201720 scopus 로고    scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196-9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1996) J. Org. Chem. , vol.61 , pp. 9196-9201
    • Palomo, C.1    Miranda, J.I.2    Linden, A.3
  • 10
    • 0029856072 scopus 로고    scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248-7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1996) J. Org. Chem. , vol.61 , pp. 7248-7249
    • Dollinger, L.M.1    Howell, A.R.2
  • 11
    • 0030815185 scopus 로고    scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1997) Tetrahedron Lett. , vol.38 , pp. 6537-6540
    • Zhao, C.1    Romo, D.2
  • 12
    • 0031592599 scopus 로고    scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1997) Tetrahedron Lett. , vol.38 , pp. 2223-2226
    • White, D.1    Zemribo, R.2    Mead, K.T.3
  • 13
    • 0032564599 scopus 로고    scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1998) Tetrahedron Lett. , vol.39 , pp. 9735-9738
    • Fujisawa, T.1    Ito, T.2    Nishiura, S.3    Shimuzu, M.4
  • 14
    • 0032505223 scopus 로고    scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.-L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1998) Tetrahedron , vol.54 , pp. 11111-11122
    • Machrouhi, F.1    Namy, J.-L.2
  • 15
    • 0032569189 scopus 로고    scopus 로고
    • For a review describing transformations of β-lactones, see: (a) Pommier, A.; Pons, J.-M. Synthesis 1993, 441-449. For some recent transformations, see: (b) Mead, K. T.; Lu, J. Tetrahedron Lett. 1994, 35, 8947-8950. (c) Ratemi, E. S.; Vederas, J. C. Tetrahedron Lett. 1994, 35, 7605-7608. (d) Zemribo, R.; Champ, M. S.; Romo, D. Synlett 1996, 278-280. (e) Mead, K. T.; Zemribo, R. Synlett 1996, 1065-1066. (f) Palomo, C.; Miranda, J. I.; Linden, A. J. Org. Chem. 1996, 61, 9196- 9201. (g) Dollinger, L. M.; Howell, A. R. J. Org. Chem. 1996, 61, 7248- 7249. (h) Zhao, C.; Romo, D. Tetrahedron Lett. 1997, 38, 6537-6540. (i) White, D.; Zemribo, R.; Mead, K. T. Tetrahedron Lett. 1997, 38, 2223-2226. (j) Fujisawa, T.; Ito, T.; Nishiura, S.; Shimuzu. M. Tetrahedron Lett. 1998, 39, 9735-9738. (k) Machrouhi, F.; Namy, J.- L. Tetrahedron 1998, 54, 11111-11122. (l) Crich, D.; Mo, X.-S. J. Am. Chem. Soc. 1998, 120, 8298-8304.
    • (1998) J. Am. Chem. Soc. , vol.120 , pp. 8298-8304
    • Crich, D.1    Mo, X.-S.2
  • 16
    • 0000372499 scopus 로고    scopus 로고
    • For a recent report describing the conversion of β-hydroxy acids to β-lactams, see: Jin, Y.; Kim, D. H. Synlett 1998, 1189-1190.
    • (1998) Synlett , pp. 1189-1190
    • Jin, Y.1    Kim, D.H.2
  • 17
    • 0002951817 scopus 로고
    • Müller, E., Bayer, O., Eds.; Thieme: Stuttgart, B and E16B
    • For reviews on the synthesis and transformations of β-lactams, see: (a) Backes, J. In Houben-Weyl, Methoden der Organischen Chemie; Müller, E., Bayer, O., Eds.; Thieme: Stuttgart, 1991; B and E16B, p 31. (b) Georg, G. I. The Organic Chemistry of β-Lactams; VCH Publishers: New York, 1993. (c) De Kimpe, N. In Comprehensive Heterocyclic Chemistry II; Padwa, A., Ed.; Elsevier Science Ltd.: Oxford, UK, 1996; Vol. 1B, pp 536-572.
    • (1991) Houben-Weyl, Methoden der Organischen Chemie , pp. 31
    • Backes, J.1
  • 18
    • 0004015248 scopus 로고
    • VCH Publishers: New York
    • For reviews on the synthesis and transformations of β-lactams, see: (a) Backes, J. In Houben-Weyl, Methoden der Organischen Chemie; Müller, E., Bayer, O., Eds.; Thieme: Stuttgart, 1991; B and E16B, p 31. (b) Georg, G. I. The Organic Chemistry of β-Lactams; VCH Publishers: New York, 1993. (c) De Kimpe, N. In Comprehensive Heterocyclic Chemistry II; Padwa, A., Ed.; Elsevier Science Ltd.: Oxford, UK, 1996; Vol. 1B, pp 536-572.
    • (1993) The Organic Chemistry of β-Lactams
    • Georg, G.I.1
  • 19
    • 0000990045 scopus 로고    scopus 로고
    • Padwa, A., Ed.; Elsevier Science Ltd.: Oxford, UK
    • For reviews on the synthesis and transformations of β-lactams, see: (a) Backes, J. In Houben-Weyl, Methoden der Organischen Chemie; Müller, E., Bayer, O., Eds.; Thieme: Stuttgart, 1991; B and E16B, p 31. (b) Georg, G. I. The Organic Chemistry of β-Lactams; VCH Publishers: New York, 1993. (c) De Kimpe, N. In Comprehensive Heterocyclic Chemistry II; Padwa, A., Ed.; Elsevier Science Ltd.: Oxford, UK, 1996; Vol. 1B, pp 536-572.
    • (1996) Comprehensive Heterocyclic Chemistry II , vol.1 B , pp. 536-572
    • De Kimpe, N.1
  • 25
    • 0032492910 scopus 로고    scopus 로고
    • 4-promoted reaction of aldehydes and silylketene acetals (β-lactone 1c: Wang, Y.; Zhao, C.; Romo, D., submitted), or by the [2 + 2] cycloaddition of silylketenes and aldehydes (β-lactone 1g; Yang, H. W.; Romo, D. Tetrahedron Lett. 1998, 39, 2877-2880).
    • (1998) J. Org. Chem. , vol.63 , pp. 1344-1347
    • Yang, H.W.1    Romo, D.2
  • 26
    • 0001210617 scopus 로고    scopus 로고
    • 4-promoted reaction of aldehydes and silylketene acetals (β-lactone 1c: Wang, Y.; Zhao, C.; Romo, D., submitted), or by the [2 + 2] cycloaddition of silylketenes and aldehydes (β-lactone 1g; Yang, H. W.; Romo, D. Tetrahedron Lett. 1998, 39, 2877-2880).
    • (1997) Tetrahedron , vol.53 , pp. 16471-16488
    • Yang, H.W.1    Zhao, C.2    Romo, D.3
  • 27
    • 0032492910 scopus 로고    scopus 로고
    • submitted, or by the [2 + 2] cycloaddition of silylketenes and aldehydes β-lactone 1g;
    • 4-promoted reaction of aldehydes and silylketene acetals (β-lactone 1c: Wang, Y.; Zhao, C.; Romo, D., submitted), or by the [2 + 2] cycloaddition of silylketenes and aldehydes (β-lactone 1g; Yang, H. W.; Romo, D. Tetrahedron Lett. 1998, 39, 2877-2880).
    • Wang, Y.1    Zhao, C.2    Romo, D.3
  • 28
    • 0032492910 scopus 로고    scopus 로고
    • 4-promoted reaction of aldehydes and silylketene acetals (β-lactone 1c: Wang, Y.; Zhao, C.; Romo, D., submitted), or by the [2 + 2] cycloaddition of silylketenes and aldehydes (β-lactone 1g; Yang, H. W.; Romo, D. Tetrahedron Lett. 1998, 39, 2877-2880).
    • (1998) Tetrahedron Lett. , vol.39 , pp. 2877-2880
    • Yang, H.W.1    Romo, D.2
  • 29
    • 33947091720 scopus 로고
    • Coupling constants for trans-substituted β-lactams are typically in the range of J = 1.9-2.0 Hz while those for cis-substituted β-lactams are in the range of J = 5.3-5.5 Hz; see: Nelson, D. A. J. Org. Chem. 1972, 37, 1447-1448.
    • (1972) J. Org. Chem. , vol.37 , pp. 1447-1448
    • Nelson, D.A.1
  • 32
    • 0010077452 scopus 로고
    • 2 including its use for the reduction of C-X bonds of α-heterosubstituted carbonyl compounds, see: (a) Molander, G. A. Chem. Rev. 1992, 92, 29-68. (b) Soderquist, A. Aldrichim. Acta 1991, 24, 15-23.
    • (1992) Chem. Rev. , vol.92 , pp. 29-68
    • Molander, G.A.1
  • 33
    • 0001948147 scopus 로고
    • 2 including its use for the reduction of C-X bonds of α-heterosubstituted carbonyl compounds, see: (a) Molander, G. A. Chem. Rev. 1992, 92, 29-68. (b) Soderquist, A. Aldrichim. Acta 1991, 24, 15-23.
    • (1991) Aldrichim. Acta , vol.24 , pp. 15-23
    • Soderquist, A.1
  • 34
    • 0033591141 scopus 로고    scopus 로고
    • For a review of methods for the synthesis of optically active β-lactones, see: Yang, H. W.; Romo, D. Tetrahedron 1999, 55, 6403-6434.
    • (1999) Tetrahedron , vol.55 , pp. 6403-6434
    • Yang, H.W.1    Romo, D.2


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