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For reviews on acylsilanes, see: (a) Qi, H.; Curran, D. P. In Comprehensive Organic Functional Group Transformations; Katritzky, A. R., Meth-Cohn, O., Rees, C. W., Moody, C. J., Eds.; Pergamon: Oxford, 1995; pp 409-431. (b) Cirillo, P. F.; Panek, J. S. Org. Prep. Proc. Int. 1992, 24, 553-582. (c) Bulman Page, P. C.; Klair, S. S.; Rosenthal, S. Chem. Soc. Rev. 1990, 19, 147-195. (d) Ricci, A.; Degl'Innocenti, A. Synthesis 1989, 647-660.
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For reviews on acylsilanes, see: (a) Qi, H.; Curran, D. P. In Comprehensive Organic Functional Group Transformations; Katritzky, A. R., Meth-Cohn, O., Rees, C. W., Moody, C. J., Eds.; Pergamon: Oxford, 1995; pp 409-431. (b) Cirillo, P. F.; Panek, J. S. Org. Prep. Proc. Int. 1992, 24, 553-582. (c) Bulman Page, P. C.; Klair, S. S.; Rosenthal, S. Chem. Soc. Rev. 1990, 19, 147-195. (d) Ricci, A.; Degl'Innocenti, A. Synthesis 1989, 647-660.
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For reviews on acylsilanes, see: (a) Qi, H.; Curran, D. P. In Comprehensive Organic Functional Group Transformations; Katritzky, A. R., Meth-Cohn, O., Rees, C. W., Moody, C. J., Eds.; Pergamon: Oxford, 1995; pp 409-431. (b) Cirillo, P. F.; Panek, J. S. Org. Prep. Proc. Int. 1992, 24, 553-582. (c) Bulman Page, P. C.; Klair, S. S.; Rosenthal, S. Chem. Soc. Rev. 1990, 19, 147-195. (d) Ricci, A.; Degl'Innocenti, A. Synthesis 1989, 647-660.
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84988115972
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For reviews on acylsilanes, see: (a) Qi, H.; Curran, D. P. In Comprehensive Organic Functional Group Transformations; Katritzky, A. R., Meth-Cohn, O., Rees, C. W., Moody, C. J., Eds.; Pergamon: Oxford, 1995; pp 409-431. (b) Cirillo, P. F.; Panek, J. S. Org. Prep. Proc. Int. 1992, 24, 553-582. (c) Bulman Page, P. C.; Klair, S. S.; Rosenthal, S. Chem. Soc. Rev. 1990, 19, 147-195. (d) Ricci, A.; Degl'Innocenti, A. Synthesis 1989, 647-660.
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0000065841
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Trost B. M., Fleming, I., Eds.; Pergamon: Oxford
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For reviews on rearrangement of divinylcyclopropanes, see ref 2b. See also: (a) Piers, E. In Comprehensive Organic Synthesis; Trost B. M., Fleming, I., Eds.; Pergamon: Oxford, 1991; Vol. 5, pp 971-998. (b) Hill, R. K. Ibid.; Vol. 5, pp 785-826.
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For reviews on rearrangement of divinylcyclopropanes, see ref 2b. See also: (a) Piers, E. In Comprehensive Organic Synthesis; Trost B. M., Fleming, I., Eds.; Pergamon: Oxford, 1991; Vol. 5, pp 971-998. (b) Hill, R. K. Ibid.; Vol. 5, pp 785-826.
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Comprehensive Organic Synthesis
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Hill, R.K.1
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0000729612
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Trost, B. M., Fleming, I., Eds.; Pergamon: Oxford
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For related charge accelerated rearrangements, see: (b) Bronson, J. J.; Danheiser, R. L. in Comprehensive Organic Synthesis; Trost, B. M., Fleming, I., Eds.; Pergamon: Oxford, 1991; Vol. 5, pp 999-1036.
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Bronson, J.J.1
Danheiser, R.L.2
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0005827171
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For thermal Cope rearrangement of cis-1-aryl-2-vinylcyclopropanes, see: Marvell, E. N.; Lin, C. J. Am. Chem. Soc. 1978, 100, 877-883. See also ref 11b.
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Takeda, K.; Sakurama, K.; Yoshii, E. Tetrahedron Lett. 1997, 38, 3257-3260.
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37
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0025145651
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This compound was prepared according to Wulff's procedure. Murray, C. K.; Yang, D. C.; Wulff, W. D. J. Am. Chem. Soc. 1990, 112, 5660-5662.
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Murray, C.K.1
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38
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0024995762
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Similar results have been reported for the reaction of Danishefsky's diene and cyclohexenylmethoxychromium carbene complex by Wulff and co-workers. Wulff, W. D.; Bauta, W. E.; Kaesler, R. W.; Lankford, P. J.; Miller, R. A.; Murray, C. K.; Yang, D. C. J. Am. Chem. Soc. 1990, 112, 3642-3659. The relatively facile cis-to-trans isomerization of 41 involving ring-opening/reclosure and the fast thermal Cope rearrangement of the cis derivative of 41 may be interpreted in terms of the push-pull effect by the siloxy and acetoxy groups.
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Wulff, W.D.1
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Miller, R.A.5
Murray, C.K.6
Yang, D.C.7
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39
-
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0000265490
-
-
For an oxyanion-accelerated vinylcyclopropane rearrangement, see: (a) Danheiser, R. L.; Martinez-Davila, C.; Morin, J. M., Jr. J. Org. Chem 1980 45 1340-1341. (b) Danheiser, R. L.; Martinez-Davila, C.; Auchus, R. J.; Kadonaga, J. T. J. Am. Chem. Soc. 1981, 103, 2443-2446. See also ref 12b.
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Danheiser, R.L.1
Martinez-Davila, C.2
Morin Jr., J.M.3
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40
-
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0000141773
-
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For an oxyanion-accelerated vinylcyclopropane rearrangement, see: (a) Danheiser, R. L.; Martinez-Davila, C.; Morin, J. M., Jr. J. Org. Chem 1980 45 1340-1341. (b) Danheiser, R. L.; Martinez-Davila, C.; Auchus, R. J.; Kadonaga, J. T. J. Am. Chem. Soc. 1981, 103, 2443-2446. See also ref 12b.
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Danheiser, R.L.1
Martinez-Davila, C.2
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Kadonaga, J.T.4
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41
-
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0003019231
-
-
The major side product of the reaction was bicyclo[4.1.0]heptene i (X-ray) which was an intramolecular C-H insertion product of Diels-Alder adduct ii. (Matrix Presented) See: Takeda, K.; Okamoto, Y.; Nakajima, A.; Yoshii, E.; Koizumi, T. Synlett 1997, 1181-1183.
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Synlett
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Takeda, K.1
Okamoto, Y.2
Nakajima, A.3
Yoshii, E.4
Koizumi, T.5
-
42
-
-
2642695895
-
-
We believe that the slower trans-to-cis isomerization of 51 relative to more congested 41 would be due to the lower ground-state energy of the trans-1,2-divinylcyclopropropanolate from 51 than that of 41
-
We believe that the slower trans-to-cis isomerization of 51 relative to more congested 41 would be due to the lower ground-state energy of the trans-1,2-divinylcyclopropropanolate from 51 than that of 41.
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-
-
-
43
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2642683688
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-
We will report the mechanistic details of the [3 + 2] annulation including the comparison of α-carbanion-stabilizing ability between the phenylthio and trimethylsilyl groups elsewhere
-
We will report the mechanistic details of the [3 + 2] annulation including the comparison of α-carbanion-stabilizing ability between the phenylthio and trimethylsilyl groups elsewhere.
-
-
-
-
46
-
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2642688809
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-
Reaction with crotonoylsilane 70 (R = Me) gave a poor yield of the cycloheptenone presumably because of decomposition caused by enolate-mediated deprotonation of the β-methyl group of 70
-
Reaction with crotonoylsilane 70 (R = Me) gave a poor yield of the cycloheptenone presumably because of decomposition caused by enolate-mediated deprotonation of the β-methyl group of 70.
-
-
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47
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37049109266
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Ager, D. J.; Fleming, I.; Patel, S. K. J. Chem. Soc., Perkin Trans. 1 1981, 2520-2526.
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Ager, D.J.1
Fleming, I.2
Patel, S.K.3
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