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Porco, J. A. Jr.; Schreiber, S. L. In Comprehensive Organic Synthesis; Trost, B. M., Ed., Pergamon Press, Oxford, 1991, Vol. 5, p 151. Bach, T. Tetrahedron Lett. 1994, 35, 5845. Bach, T. Angew. Chem., Int. Ed. Engl. 1996, 35, 884. Bach, T.; Jödicke, K.; Kather, K.; Hecht, J. Angew. Chem., Int. Ed. Engl. 1995, 34, 2271. Bach, T.; Kather, K. Tetrahedron 1994, 50, 12319. Bach, T.; Lange, C. Tetrahedron Lett. 1996, 37, 4363.
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Porco, J. A. Jr.; Schreiber, S. L. In Comprehensive Organic Synthesis; Trost, B. M., Ed., Pergamon Press, Oxford, 1991, Vol. 5, p 151. Bach, T. Tetrahedron Lett. 1994, 35, 5845. Bach, T. Angew. Chem., Int. Ed. Engl. 1996, 35, 884. Bach, T.; Jödicke, K.; Kather, K.; Hecht, J. Angew. Chem., Int. Ed. Engl. 1995, 34, 2271. Bach, T.; Kather, K. Tetrahedron 1994, 50, 12319. Bach, T.; Lange, C. Tetrahedron Lett. 1996, 37, 4363.
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Bach, T.1
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4
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33748726499
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Porco, J. A. Jr.; Schreiber, S. L. In Comprehensive Organic Synthesis; Trost, B. M., Ed., Pergamon Press, Oxford, 1991, Vol. 5, p 151. Bach, T. Tetrahedron Lett. 1994, 35, 5845. Bach, T. Angew. Chem., Int. Ed. Engl. 1996, 35, 884. Bach, T.; Jödicke, K.; Kather, K.; Hecht, J. Angew. Chem., Int. Ed. Engl. 1995, 34, 2271. Bach, T.; Kather, K. Tetrahedron 1994, 50, 12319. Bach, T.; Lange, C. Tetrahedron Lett. 1996, 37, 4363.
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Bach, T.1
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5
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33748731977
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Porco, J. A. Jr.; Schreiber, S. L. In Comprehensive Organic Synthesis; Trost, B. M., Ed., Pergamon Press, Oxford, 1991, Vol. 5, p 151. Bach, T. Tetrahedron Lett. 1994, 35, 5845. Bach, T. Angew. Chem., Int. Ed. Engl. 1996, 35, 884. Bach, T.; Jödicke, K.; Kather, K.; Hecht, J. Angew. Chem., Int. Ed. Engl. 1995, 34, 2271. Bach, T.; Kather, K. Tetrahedron 1994, 50, 12319. Bach, T.; Lange, C. Tetrahedron Lett. 1996, 37, 4363.
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Bach, T.1
Jödicke, K.2
Kather, K.3
Hecht, J.4
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6
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0028116883
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Porco, J. A. Jr.; Schreiber, S. L. In Comprehensive Organic Synthesis; Trost, B. M., Ed., Pergamon Press, Oxford, 1991, Vol. 5, p 151. Bach, T. Tetrahedron Lett. 1994, 35, 5845. Bach, T. Angew. Chem., Int. Ed. Engl. 1996, 35, 884. Bach, T.; Jödicke, K.; Kather, K.; Hecht, J. Angew. Chem., Int. Ed. Engl. 1995, 34, 2271. Bach, T.; Kather, K. Tetrahedron 1994, 50, 12319. Bach, T.; Lange, C. Tetrahedron Lett. 1996, 37, 4363.
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Porco, J. A. Jr.; Schreiber, S. L. In Comprehensive Organic Synthesis; Trost, B. M., Ed., Pergamon Press, Oxford, 1991, Vol. 5, p 151. Bach, T. Tetrahedron Lett. 1994, 35, 5845. Bach, T. Angew. Chem., Int. Ed. Engl. 1996, 35, 884. Bach, T.; Jödicke, K.; Kather, K.; Hecht, J. Angew. Chem., Int. Ed. Engl. 1995, 34, 2271. Bach, T.; Kather, K. Tetrahedron 1994, 50, 12319. Bach, T.; Lange, C. Tetrahedron Lett. 1996, 37, 4363.
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0028814806
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4 as a Lewis acid, see: Maeta, H.; Nagasawa, T.; Handa, Y.; Takei, T.; Osamura, Y.; Suzuki, K. Tetrahedron Lett. 1995, 36, 899. Asao, N.; Liu, J.; Sudoh, T.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1995, 2405. Harrowven, D. C.; Dainty, R. F. Tetrahedron Lett. 1996, 37, 3607. Asao, N.; Liu, J.-X.; Sudoh, T.; Yamamoto, Y. J. Org. Chem. 1996, 61, 4568. Asao, N.; Matsukawa, Y.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1996, 1513.
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Maeta, H.1
Nagasawa, T.2
Handa, Y.3
Takei, T.4
Osamura, Y.5
Suzuki, K.6
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12
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37049084831
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4 as a Lewis acid, see: Maeta, H.; Nagasawa, T.; Handa, Y.; Takei, T.; Osamura, Y.; Suzuki, K. Tetrahedron Lett. 1995, 36, 899. Asao, N.; Liu, J.; Sudoh, T.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1995, 2405. Harrowven, D. C.; Dainty, R. F. Tetrahedron Lett. 1996, 37, 3607. Asao, N.; Liu, J.-X.; Sudoh, T.; Yamamoto, Y. J. Org. Chem. 1996, 61, 4568. Asao, N.; Matsukawa, Y.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1996, 1513.
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Asao, N.1
Liu, J.2
Sudoh, T.3
Yamamoto, Y.4
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13
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0029900002
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4 as a Lewis acid, see: Maeta, H.; Nagasawa, T.; Handa, Y.; Takei, T.; Osamura, Y.; Suzuki, K. Tetrahedron Lett. 1995, 36, 899. Asao, N.; Liu, J.; Sudoh, T.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1995, 2405. Harrowven, D. C.; Dainty, R. F. Tetrahedron Lett. 1996, 37, 3607. Asao, N.; Liu, J.-X.; Sudoh, T.; Yamamoto, Y. J. Org. Chem. 1996, 61, 4568. Asao, N.; Matsukawa, Y.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1996, 1513.
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Harrowven, D.C.1
Dainty, R.F.2
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14
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0000531264
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4 as a Lewis acid, see: Maeta, H.; Nagasawa, T.; Handa, Y.; Takei, T.; Osamura, Y.; Suzuki, K. Tetrahedron Lett. 1995, 36, 899. Asao, N.; Liu, J.; Sudoh, T.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1995, 2405. Harrowven, D. C.; Dainty, R. F. Tetrahedron Lett. 1996, 37, 3607. Asao, N.; Liu, J.-X.; Sudoh, T.; Yamamoto, Y. J. Org. Chem. 1996, 61, 4568. Asao, N.; Matsukawa, Y.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1996, 1513.
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J. Org. Chem.
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Asao, N.1
Liu, J.-X.2
Sudoh, T.3
Yamamoto, Y.4
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15
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0001996468
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4 as a Lewis acid, see: Maeta, H.; Nagasawa, T.; Handa, Y.; Takei, T.; Osamura, Y.; Suzuki, K. Tetrahedron Lett. 1995, 36, 899. Asao, N.; Liu, J.; Sudoh, T.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1995, 2405. Harrowven, D. C.; Dainty, R. F. Tetrahedron Lett. 1996, 37, 3607. Asao, N.; Liu, J.-X.; Sudoh, T.; Yamamoto, Y. J. Org. Chem. 1996, 61, 4568. Asao, N.; Matsukawa, Y.; Yamamoto, Y. J. Chem. Soc., Chem. Commun. 1996, 1513.
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(1996)
J. Chem. Soc., Chem. Commun.
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Asao, N.1
Matsukawa, Y.2
Yamamoto, Y.3
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16
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85033752896
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-
note
-
In the case of 3-phenylpropanal and hexanal, use of toluene did not increase the yields of the oxetanes.
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-
-
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17
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-
85033748433
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note
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2, hexane: ethyl acetate = 15:1, v/v) gave 3f (63 mg, 75%).
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-
-
-
18
-
-
85033755164
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note
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3) δ=136.14, 133.33, 133.18, 129.49, 129.44, 127.73, 127.71, 69.91, 66.08, 59.29, 43.68, 27.63, 25.83, 22.47, 18.24, 18.18, and -5.42.
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-
-
-
20
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-
85033757045
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-
note
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12 (Equation Presented)
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21
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0027145040
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-
Recently, construction of cyclobutanes by Lewis acid promoted [2+2] cycloaddition of allylsilanes to α,β-unsaturated carbonyl compounds have been reported; Hojo, M.; Tomita, K.; Hirohara, Y.; Hosomi, A. Tetrahedron Lett. 1993, 34, 8123. Knölker, H.-J.; Baum, G.; Graf, R. Angew. Chem., Int. Ed. Engl. 1994, 33, 1612. Monti, H.; Audran, G.; Léandri, G.; Monti, J.-P. Tetrahedron Lett. 1994, 35, 3073. Monti, H.; Audran, G.; Monti, J.-P.; Léandri, G. Synlett 1994, 403. Brengel, G. P.; Rithner, C.; Meyers, A. I. J. Org. Chem. 1994, 59, 5144.
-
(1993)
Tetrahedron Lett.
, vol.34
, pp. 8123
-
-
Hojo, M.1
Tomita, K.2
Hirohara, Y.3
Hosomi, A.4
-
22
-
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33748231662
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-
Recently, construction of cyclobutanes by Lewis acid promoted [2+2] cycloaddition of allylsilanes to α,β-unsaturated carbonyl compounds have been reported; Hojo, M.; Tomita, K.; Hirohara, Y.; Hosomi, A. Tetrahedron Lett. 1993, 34, 8123. Knölker, H.-J.; Baum, G.; Graf, R. Angew. Chem., Int. Ed. Engl. 1994, 33, 1612. Monti, H.; Audran, G.; Léandri, G.; Monti, J.-P. Tetrahedron Lett. 1994, 35, 3073. Monti, H.; Audran, G.; Monti, J.-P.; Léandri, G. Synlett 1994, 403. Brengel, G. P.; Rithner, C.; Meyers, A. I. J. Org. Chem. 1994, 59, 5144.
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(1994)
Angew. Chem., Int. Ed. Engl.
, vol.33
, pp. 1612
-
-
Knölker, H.-J.1
Baum, G.2
Graf, R.3
-
23
-
-
0028357353
-
-
Recently, construction of cyclobutanes by Lewis acid promoted [2+2] cycloaddition of allylsilanes to α,β-unsaturated carbonyl compounds have been reported; Hojo, M.; Tomita, K.; Hirohara, Y.; Hosomi, A. Tetrahedron Lett. 1993, 34, 8123. Knölker, H.-J.; Baum, G.; Graf, R. Angew. Chem., Int. Ed. Engl. 1994, 33, 1612. Monti, H.; Audran, G.; Léandri, G.; Monti, J.-P. Tetrahedron Lett. 1994, 35, 3073. Monti, H.; Audran, G.; Monti, J.-P.; Léandri, G. Synlett 1994, 403. Brengel, G. P.; Rithner, C.; Meyers, A. I. J. Org. Chem. 1994, 59, 5144.
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(1994)
Tetrahedron Lett.
, vol.35
, pp. 3073
-
-
Monti, H.1
Audran, G.2
Léandri, G.3
Monti, J.-P.4
-
24
-
-
0003142596
-
-
Recently, construction of cyclobutanes by Lewis acid promoted [2+2] cycloaddition of allylsilanes to α,β-unsaturated carbonyl compounds have been reported; Hojo, M.; Tomita, K.; Hirohara, Y.; Hosomi, A. Tetrahedron Lett. 1993, 34, 8123. Knölker, H.-J.; Baum, G.; Graf, R. Angew. Chem., Int. Ed. Engl. 1994, 33, 1612. Monti, H.; Audran, G.; Léandri, G.; Monti, J.-P. Tetrahedron Lett. 1994, 35, 3073. Monti, H.; Audran, G.; Monti, J.-P.; Léandri, G. Synlett 1994, 403. Brengel, G. P.; Rithner, C.; Meyers, A. I. J. Org. Chem. 1994, 59, 5144.
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(1994)
Synlett
, pp. 403
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Monti, H.1
Audran, G.2
Monti, J.-P.3
Léandri, G.4
-
25
-
-
0000327520
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-
Recently, construction of cyclobutanes by Lewis acid promoted [2+2] cycloaddition of allylsilanes to α,β-unsaturated carbonyl compounds have been reported; Hojo, M.; Tomita, K.; Hirohara, Y.; Hosomi, A. Tetrahedron Lett. 1993, 34, 8123. Knölker, H.-J.; Baum, G.; Graf, R. Angew. Chem., Int. Ed. Engl. 1994, 33, 1612. Monti, H.; Audran, G.; Léandri, G.; Monti, J.-P. Tetrahedron Lett. 1994, 35, 3073. Monti, H.; Audran, G.; Monti, J.-P.; Léandri, G. Synlett 1994, 403. Brengel, G. P.; Rithner, C.; Meyers, A. I. J. Org. Chem. 1994, 59, 5144.
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(1994)
J. Org. Chem.
, vol.59
, pp. 5144
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-
Brengel, G.P.1
Rithner, C.2
Meyers, A.I.3
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26
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33845470995
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Heathcock, C. H.; Kiyooka, S.; Blumenkopf, T. A. J. Org. Chem. 1984, 49, 4214.
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J. Org. Chem.
, vol.49
, pp. 4214
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Heathcock, C.H.1
Kiyooka, S.2
Blumenkopf, T.A.3
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