메뉴 건너뛰기




Volumn 121, Issue 40, 1999, Pages 9465-9466

Reaction of titanate-type aldehyde enolate with ketones to provide 3- hydroxyaldehydes [10]

Author keywords

[No Author keywords available]

Indexed keywords

3 HYDROXYALDEHYDE DERIVATIVE; ALDEHYDE DERIVATIVE; KETONE DERIVATIVE; TITANIUM DERIVATIVE; UNCLASSIFIED DRUG;

EID: 0033552258     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja9921975     Document Type: Letter
Times cited : (40)

References (38)
  • 2
    • 0000487061 scopus 로고
    • Trost, B. M., Fleming, I., Heathcock, C. H., Eds.; Pergamon Press: New York
    • (b) Heathcock, C. H. In Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Heathcock, C. H., Eds.; Pergamon Press: New York, 1991; Vol. 2, p 181.
    • (1991) Comprehensive Organic Synthesis , vol.2 , pp. 181
    • Heathcock, C.H.1
  • 3
    • 0001091186 scopus 로고
    • Trost, B. M., Fleming, I., Heathcock, C. H., Eds.; Pergamon Press: New York
    • (c) Kim, B. M.; Williams, S. F.; Masamune, S. In Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Heathcock, C. H., Eds.; Pergamon Press: New York, 1991; Vol. 2, p 239.
    • (1991) Comprehensive Organic Synthesis , vol.2 , pp. 239
    • Kim, B.M.1    Williams, S.F.2    Masamune, S.3
  • 4
    • 0000144592 scopus 로고
    • Trost, B. M., Fleming, I., Heathcock, C. H., Eds.; Pergamon Press: New York
    • (d) Rathke, M. W.; Weipert, P. In Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Heathcock, C. H., Eds.; Pergamon Press: New York, 1991; Vol. 2, p 277.
    • (1991) Comprehensive Organic Synthesis , vol.2 , pp. 277
    • Rathke, M.W.1    Weipert, P.2
  • 5
    • 0001653533 scopus 로고
    • Trost, B. M., Fleming, I., Heathcock, C. H., Eds.; Pergamon Press: New York
    • (e) Paterson, I. In Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Heathcock, C. H., Eds.; Pergamon Press: New York, 1991; Vol. 2; p 301.
    • (1991) Comprehensive Organic Synthesis , vol.2 , pp. 301
    • Paterson, I.1
  • 8
    • 0000851696 scopus 로고
    • Trost, B. M., Fleming, I., Heathcock, C. H., Eds.; Pergamon Press; New York
    • (a) Heathcock, C. H. In Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Heathcock, C. H., Eds.; Pergamon Press; New York, 1991; Vol. 2, p 133.
    • (1991) Comprehensive Organic Synthesis , vol.2 , pp. 133
    • Heathcock, C.H.1
  • 10
    • 0005927219 scopus 로고
    • Sheffold, R., Ed.; Springer-Verlag: Berlin
    • (c) Heathcock, C. H. In Modern Synthetic Methods; Sheffold, R., Ed.; Springer-Verlag: Berlin, 1992; p 1.
    • (1992) Modern Synthetic Methods , pp. 1
    • Heathcock, C.H.1
  • 13
    • 0345034073 scopus 로고    scopus 로고
    • note
    • 3). The formation energy of the latter is -10.455 kcal/mol, whereas that of the former is 21.155 kcal/mol.
  • 14
    • 0000093375 scopus 로고
    • Trost, B. M., Fleming, I., Schreiber, S. L., Eds.; Pergamon Press: Oxford
    • (a) Ferreri, C.; Palumbo, G.; Caputo, R. In Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Schreiber, S. L., Eds.; Pergamon Press: Oxford, 1991; Vol. 1, p 139.
    • (1991) Comprehensive Organic Synthesis , vol.1 , pp. 139
    • Ferreri, C.1    Palumbo, G.2    Caputo, R.3
  • 17
    • 0000217399 scopus 로고
    • Some reactions involving titanium ate-complex reagents have been reported: (a) Reetz, M. T.; Peter, T. Tetrahedron Lett. 1981, 22, 4691. (b) Reetz, M. T.; Wenderoth, B. Tetrahedron Lett. 1982, 23, 5259. (c) Reetz, M. T.; Westermann, J.: Steinbach, R.; Wenderoth, B.; Peter, R.; Ostarek, R.; Maus, S. Chem. Ber. 1985, 118, 1421. (d) Reetz, M. T.; Steinbach, R.; Westermann, J.; Peter, R.; Wenderoth, B. Chem. Ber. 1985, 118, 1441.
    • (1981) Tetrahedron Lett. , vol.22 , pp. 4691
    • Reetz, M.T.1    Peter, T.2
  • 18
    • 0000841268 scopus 로고
    • Some reactions involving titanium ate-complex reagents have been reported: (a) Reetz, M. T.; Peter, T. Tetrahedron Lett. 1981, 22, 4691. (b) Reetz, M. T.; Wenderoth, B. Tetrahedron Lett. 1982, 23, 5259. (c) Reetz, M. T.; Westermann, J.: Steinbach, R.; Wenderoth, B.; Peter, R.; Ostarek, R.; Maus, S. Chem. Ber. 1985, 118, 1421. (d) Reetz, M. T.; Steinbach, R.; Westermann, J.; Peter, R.; Wenderoth, B. Chem. Ber. 1985, 118, 1441.
    • (1982) Tetrahedron Lett. , vol.23 , pp. 5259
    • Reetz, M.T.1    Wenderoth, B.2
  • 19
    • 0000044737 scopus 로고
    • Some reactions involving titanium ate-complex reagents have been reported: (a) Reetz, M. T.; Peter, T. Tetrahedron Lett. 1981, 22, 4691. (b) Reetz, M. T.; Wenderoth, B. Tetrahedron Lett. 1982, 23, 5259. (c) Reetz, M. T.; Westermann, J.: Steinbach, R.; Wenderoth, B.; Peter, R.; Ostarek, R.; Maus, S. Chem. Ber. 1985, 118, 1421. (d) Reetz, M. T.; Steinbach, R.; Westermann, J.; Peter, R.; Wenderoth, B. Chem. Ber. 1985, 118, 1441.
    • (1985) Chem. Ber. , vol.118 , pp. 1421
    • Reetz, M.T.1    Westermann, J.2    Steinbach, R.3    Wenderoth, B.4    Peter, R.5    Ostarek, R.6    Maus, S.7
  • 20
    • 84984158283 scopus 로고
    • Some reactions involving titanium ate-complex reagents have been reported: (a) Reetz, M. T.; Peter, T. Tetrahedron Lett. 1981, 22, 4691. (b) Reetz, M. T.; Wenderoth, B. Tetrahedron Lett. 1982, 23, 5259. (c) Reetz, M. T.; Westermann, J.: Steinbach, R.; Wenderoth, B.; Peter, R.; Ostarek, R.; Maus, S. Chem. Ber. 1985, 118, 1421. (d) Reetz, M. T.; Steinbach, R.; Westermann, J.; Peter, R.; Wenderoth, B. Chem. Ber. 1985, 118, 1441.
    • (1985) Chem. Ber. , vol.118 , pp. 1441
    • Reetz, M.T.1    Steinbach, R.2    Westermann, J.3    Peter, R.4    Wenderoth, B.5
  • 21
    • 0001159874 scopus 로고
    • For aldol-type reactions involving titanium enolate, see: (a) Nakamura, E.; Shimada, J.; Horiguchi, Y.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3341. (b) Nakamura, E.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3343. (c) Harrison, C. R. Tetrahedron Lett. 1987, 28, 4134. (d) Siegel, C.; Thornton, E. R. J. Am. Chem. Soc. 1989, 111, 5722. Brocchini, S. J.; Eberle, M.; Lawton, R. G. J. Am. Chem. Soc. 1988, 110, 5211. (e) Morris, J.; Wishka, D. G.; Luke, G. P.; Judge, T. M.; Gammill, R. B. Tetrahedron 1997, 53 11211. (f) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883. (g) Toshida, Y.; Hayashi, R.; Sumihara, H.; Tanabe, Y. Tetrahedron Lett. 1997, 38, 8727. (h) Baker, R. K.; Rupprecht, K. M.; Armistead, D. M.; Boger, J.; Frankshun, R. A.; Hodges, P. J.; Hoogsteen, K.; Pisano, J. M.; Witzel, B. E. Tetrahedron Lett. 1998, 39, 229. (i) Mahrwald, R.; Gündogan, B. J. Am. Chem. Soc. 1998, 120, 413.
    • (1983) Tetrahedron Lett. , vol.24 , pp. 3341
    • Nakamura, E.1    Shimada, J.2    Horiguchi, Y.3    Kuwajima, I.4
  • 22
    • 0001232362 scopus 로고
    • For aldol-type reactions involving titanium enolate, see: (a) Nakamura, E.; Shimada, J.; Horiguchi, Y.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3341. (b) Nakamura, E.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3343. (c) Harrison, C. R. Tetrahedron Lett. 1987, 28, 4134. (d) Siegel, C.; Thornton, E. R. J. Am. Chem. Soc. 1989, 111, 5722. Brocchini, S. J.; Eberle, M.; Lawton, R. G. J. Am. Chem. Soc. 1988, 110, 5211. (e) Morris, J.; Wishka, D. G.; Luke, G. P.; Judge, T. M.; Gammill, R. B. Tetrahedron 1997, 53 11211. (f) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883. (g) Toshida, Y.; Hayashi, R.; Sumihara, H.; Tanabe, Y. Tetrahedron Lett. 1997, 38, 8727. (h) Baker, R. K.; Rupprecht, K. M.; Armistead, D. M.; Boger, J.; Frankshun, R. A.; Hodges, P. J.; Hoogsteen, K.; Pisano, J. M.; Witzel, B. E. Tetrahedron Lett. 1998, 39, 229. (i) Mahrwald, R.; Gündogan, B. J. Am. Chem. Soc. 1998, 120, 413.
    • (1983) Tetrahedron Lett. , vol.24 , pp. 3343
    • Nakamura, E.1    Kuwajima, I.2
  • 23
    • 0342830603 scopus 로고
    • For aldol-type reactions involving titanium enolate, see: (a) Nakamura, E.; Shimada, J.; Horiguchi, Y.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3341. (b) Nakamura, E.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3343. (c) Harrison, C. R. Tetrahedron Lett. 1987, 28, 4134. (d) Siegel, C.; Thornton, E. R. J. Am. Chem. Soc. 1989, 111, 5722. Brocchini, S. J.; Eberle, M.; Lawton, R. G. J. Am. Chem. Soc. 1988, 110, 5211. (e) Morris, J.; Wishka, D. G.; Luke, G. P.; Judge, T. M.; Gammill, R. B. Tetrahedron 1997, 53 11211. (f) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883. (g) Toshida, Y.; Hayashi, R.; Sumihara, H.; Tanabe, Y. Tetrahedron Lett. 1997, 38, 8727. (h) Baker, R. K.; Rupprecht, K. M.; Armistead, D. M.; Boger, J.; Frankshun, R. A.; Hodges, P. J.; Hoogsteen, K.; Pisano, J. M.; Witzel, B. E. Tetrahedron Lett. 1998, 39, 229. (i) Mahrwald, R.; Gündogan, B. J. Am. Chem. Soc. 1998, 120, 413.
    • (1987) Tetrahedron Lett. , vol.28 , pp. 4134
    • Harrison, C.R.1
  • 24
    • 0000012047 scopus 로고
    • For aldol-type reactions involving titanium enolate, see: (a) Nakamura, E.; Shimada, J.; Horiguchi, Y.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3341. (b) Nakamura, E.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3343. (c) Harrison, C. R. Tetrahedron Lett. 1987, 28, 4134. (d) Siegel, C.; Thornton, E. R. J. Am. Chem. Soc. 1989, 111, 5722. Brocchini, S. J.; Eberle, M.; Lawton, R. G. J. Am. Chem. Soc. 1988, 110, 5211. (e) Morris, J.; Wishka, D. G.; Luke, G. P.; Judge, T. M.; Gammill, R. B. Tetrahedron 1997, 53 11211. (f) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883. (g) Toshida, Y.; Hayashi, R.; Sumihara, H.; Tanabe, Y. Tetrahedron Lett. 1997, 38, 8727. (h) Baker, R. K.; Rupprecht, K. M.; Armistead, D. M.; Boger, J.; Frankshun, R. A.; Hodges, P. J.; Hoogsteen, K.; Pisano, J. M.; Witzel, B. E. Tetrahedron Lett. 1998, 39, 229. (i) Mahrwald, R.; Gündogan, B. J. Am. Chem. Soc. 1998, 120, 413.
    • (1989) J. Am. Chem. Soc. , vol.111 , pp. 5722
    • Siegel, C.1    Thornton, E.R.2
  • 25
    • 0000183076 scopus 로고
    • For aldol-type reactions involving titanium enolate, see: (a) Nakamura, E.; Shimada, J.; Horiguchi, Y.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3341. (b) Nakamura, E.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3343. (c) Harrison, C. R. Tetrahedron Lett. 1987, 28, 4134. (d) Siegel, C.; Thornton, E. R. J. Am. Chem. Soc. 1989, 111, 5722. Brocchini, S. J.; Eberle, M.; Lawton, R. G. J. Am. Chem. Soc. 1988, 110, 5211. (e) Morris, J.; Wishka, D. G.; Luke, G. P.; Judge, T. M.; Gammill, R. B. Tetrahedron 1997, 53 11211. (f) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883. (g) Toshida, Y.; Hayashi, R.; Sumihara, H.; Tanabe, Y. Tetrahedron Lett. 1997, 38, 8727. (h) Baker, R. K.; Rupprecht, K. M.; Armistead, D. M.; Boger, J.; Frankshun, R. A.; Hodges, P. J.; Hoogsteen, K.; Pisano, J. M.; Witzel, B. E. Tetrahedron Lett. 1998, 39, 229. (i) Mahrwald, R.; Gündogan, B. J. Am. Chem. Soc. 1998, 120, 413.
    • (1988) J. Am. Chem. Soc. , vol.110 , pp. 5211
    • Brocchini, S.J.1    Eberle, M.2    Lawton, R.G.3
  • 26
    • 0030875641 scopus 로고    scopus 로고
    • For aldol-type reactions involving titanium enolate, see: (a) Nakamura, E.; Shimada, J.; Horiguchi, Y.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3341. (b) Nakamura, E.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3343. (c) Harrison, C. R. Tetrahedron Lett. 1987, 28, 4134. (d) Siegel, C.; Thornton, E. R. J. Am. Chem. Soc. 1989, 111, 5722. Brocchini, S. J.; Eberle, M.; Lawton, R. G. J. Am. Chem. Soc. 1988, 110, 5211. (e) Morris, J.; Wishka, D. G.; Luke, G. P.; Judge, T. M.; Gammill, R. B. Tetrahedron 1997, 53 11211. (f) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883. (g) Toshida, Y.; Hayashi, R.; Sumihara, H.; Tanabe, Y. Tetrahedron Lett. 1997, 38, 8727. (h) Baker, R. K.; Rupprecht, K. M.; Armistead, D. M.; Boger, J.; Frankshun, R. A.; Hodges, P. J.; Hoogsteen, K.; Pisano, J. M.; Witzel, B. E. Tetrahedron Lett. 1998, 39, 229. (i) Mahrwald, R.; Gündogan, B. J. Am. Chem. Soc. 1998, 120, 413.
    • (1997) Tetrahedron , vol.53 , pp. 11211
    • Morris, J.1    Wishka, D.G.2    Luke, G.P.3    Judge, T.M.4    Gammill, R.B.5
  • 27
    • 0030882988 scopus 로고    scopus 로고
    • For aldol-type reactions involving titanium enolate, see: (a) Nakamura, E.; Shimada, J.; Horiguchi, Y.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3341. (b) Nakamura, E.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3343. (c) Harrison, C. R. Tetrahedron Lett. 1987, 28, 4134. (d) Siegel, C.; Thornton, E. R. J. Am. Chem. Soc. 1989, 111, 5722. Brocchini, S. J.; Eberle, M.; Lawton, R. G. J. Am. Chem. Soc. 1988, 110, 5211. (e) Morris, J.; Wishka, D. G.; Luke, G. P.; Judge, T. M.; Gammill, R. B. Tetrahedron 1997, 53 11211. (f) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883. (g) Toshida, Y.; Hayashi, R.; Sumihara, H.; Tanabe, Y. Tetrahedron Lett. 1997, 38, 8727. (h) Baker, R. K.; Rupprecht, K. M.; Armistead, D. M.; Boger, J.; Frankshun, R. A.; Hodges, P. J.; Hoogsteen, K.; Pisano, J. M.; Witzel, B. E. Tetrahedron Lett. 1998, 39, 229. (i) Mahrwald, R.; Gündogan, B. J. Am. Chem. Soc. 1998, 120, 413.
    • (1997) J. Am. Chem. Soc. , vol.119 , pp. 7883
    • Crimmins, M.T.1    King, B.W.2    Tabet, E.A.3
  • 28
    • 0030782489 scopus 로고    scopus 로고
    • For aldol-type reactions involving titanium enolate, see: (a) Nakamura, E.; Shimada, J.; Horiguchi, Y.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3341. (b) Nakamura, E.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3343. (c) Harrison, C. R. Tetrahedron Lett. 1987, 28, 4134. (d) Siegel, C.; Thornton, E. R. J. Am. Chem. Soc. 1989, 111, 5722. Brocchini, S. J.; Eberle, M.; Lawton, R. G. J. Am. Chem. Soc. 1988, 110, 5211. (e) Morris, J.; Wishka, D. G.; Luke, G. P.; Judge, T. M.; Gammill, R. B. Tetrahedron 1997, 53 11211. (f) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883. (g) Toshida, Y.; Hayashi, R.; Sumihara, H.; Tanabe, Y. Tetrahedron Lett. 1997, 38, 8727. (h) Baker, R. K.; Rupprecht, K. M.; Armistead, D. M.; Boger, J.; Frankshun, R. A.; Hodges, P. J.; Hoogsteen, K.; Pisano, J. M.; Witzel, B. E. Tetrahedron Lett. 1998, 39, 229. (i) Mahrwald, R.; Gündogan, B. J. Am. Chem. Soc. 1998, 120, 413.
    • (1997) Tetrahedron Lett. , vol.38 , pp. 8727
    • Toshida, Y.1    Hayashi, R.2    Sumihara, H.3    Tanabe, Y.4
  • 29
    • 0032518776 scopus 로고    scopus 로고
    • For aldol-type reactions involving titanium enolate, see: (a) Nakamura, E.; Shimada, J.; Horiguchi, Y.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3341. (b) Nakamura, E.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3343. (c) Harrison, C. R. Tetrahedron Lett. 1987, 28, 4134. (d) Siegel, C.; Thornton, E. R. J. Am. Chem. Soc. 1989, 111, 5722. Brocchini, S. J.; Eberle, M.; Lawton, R. G. J. Am. Chem. Soc. 1988, 110, 5211. (e) Morris, J.; Wishka, D. G.; Luke, G. P.; Judge, T. M.; Gammill, R. B. Tetrahedron 1997, 53 11211. (f) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883. (g) Toshida, Y.; Hayashi, R.; Sumihara, H.; Tanabe, Y. Tetrahedron Lett. 1997, 38, 8727. (h) Baker, R. K.; Rupprecht, K. M.; Armistead, D. M.; Boger, J.; Frankshun, R. A.; Hodges, P. J.; Hoogsteen, K.; Pisano, J. M.; Witzel, B. E. Tetrahedron Lett. 1998, 39, 229. (i) Mahrwald, R.; Gündogan, B. J. Am. Chem. Soc. 1998, 120, 413.
    • (1998) Tetrahedron Lett. , vol.39 , pp. 229
    • Baker, R.K.1    Rupprecht, K.M.2    Armistead, D.M.3    Boger, J.4    Frankshun, R.A.5    Hodges, P.J.6    Hoogsteen, K.7    Pisano, J.M.8    Witzel, B.E.9
  • 30
    • 0032554103 scopus 로고    scopus 로고
    • For aldol-type reactions involving titanium enolate, see: (a) Nakamura, E.; Shimada, J.; Horiguchi, Y.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3341. (b) Nakamura, E.; Kuwajima, I. Tetrahedron Lett. 1983, 24, 3343. (c) Harrison, C. R. Tetrahedron Lett. 1987, 28, 4134. (d) Siegel, C.; Thornton, E. R. J. Am. Chem. Soc. 1989, 111, 5722. Brocchini, S. J.; Eberle, M.; Lawton, R. G. J. Am. Chem. Soc. 1988, 110, 5211. (e) Morris, J.; Wishka, D. G.; Luke, G. P.; Judge, T. M.; Gammill, R. B. Tetrahedron 1997, 53 11211. (f) Crimmins, M. T.; King, B. W.; Tabet, E. A. J. Am. Chem. Soc. 1997, 119, 7883. (g) Toshida, Y.; Hayashi, R.; Sumihara, H.; Tanabe, Y. Tetrahedron Lett. 1997, 38, 8727. (h) Baker, R. K.; Rupprecht, K. M.; Armistead, D. M.; Boger, J.; Frankshun, R. A.; Hodges, P. J.; Hoogsteen, K.; Pisano, J. M.; Witzel, B. E. Tetrahedron Lett. 1998, 39, 229. (i) Mahrwald, R.; Gündogan, B. J. Am. Chem. Soc. 1998, 120, 413.
    • (1998) J. Am. Chem. Soc. , vol.120 , pp. 413
    • Mahrwald, R.1    Gündogan, B.2
  • 31
    • 0345465174 scopus 로고    scopus 로고
    • note
    • 3SiCl afforded the starting silyl enolate (Z)-4 (Z/E = >99/<1) in quantitative yield. From this result, no isomerization of enolates 5 and 6 occurred during the transmetalation step.
  • 32
    • 0345465173 scopus 로고    scopus 로고
    • note
    • 4 was not effective, and 7a was obtained in reduced yield (47%, synlanti = 70/30) upon treatment with 2-methylpropanal.
  • 33
    • 0344603147 scopus 로고    scopus 로고
    • note
    • The reaction of titanate enolate prepared from 2-ethyl-1-trimethyl-siloxy-1-butene with ketones provided no aldol adduct.
  • 34
    • 0344603146 scopus 로고    scopus 로고
    • note
    • 4, no trace of 10 could be observed in the reaction mixture, and complex products were formed.
  • 35
  • 36
    • 0344603145 scopus 로고    scopus 로고
    • note
    • This stereochemical outcome might indicate that this reaction proceeds under thermodynamic control.
  • 38
    • 0344171469 scopus 로고
    • See also refs 7b and 7c
    • For temporary protection by aminotitanium complexes, see; Reetz, M. T.; Peter, R. J. Chem. Soc., Chem. Commun. 1983, 406. See also refs 7b and 7c.
    • (1983) J. Chem. Soc., Chem. Commun. , pp. 406
    • Reetz, M.T.1    Peter, R.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.