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For vinylallene variants of [1, 5]-shifts, besides ref 2a, see Mikolajczak, K. L.; Bagby, M. O.; Bates, R. B.; Wolff, I. A. J. Org. Chem. 1965, 30, 2983. Skattebøl, L. Tetrahedron 1969, 25, 4933. Bakker, S. A.; Lugtenburg, J.; Havinga, E. Recl. Trav. Chim. Pays-Bas 1972, 91, 1459. Minter, D. E.; Fonken, G. J. Tetrahedron Lett. 1977, 1717. Minter, D. E.; Fonken, G. J. Proc. Chem. Soc. 1977, 4149. Minter, D. E.; Fonken, G. J.; Cook, F. T. Proc. Chem. Soc. 1979, 711. Hammond, M. L.; Mouriño, A.; Okamura, W. H. J. Am. Chem. Soc. 1978, 100, 4907. Condran, P., Jr.; Hammond, M. L.; Mouriño, A.; Okamura, W. H. Proc. Chem. Soc. 1980, 102, 6259. Condran, P., Jr.; Okamura, W. H. J. Org. Chem. 1980, 102, 4011. Mouriño, A.; Lewicka-Piekut, S.; Norman, A. W.; Okamura, W. H. Proc. Chem. Soc. 1980, 45, 4015. (1) Gerdes, J. M.; Lewicka-Piekut, S.; Condran, P., Jr.; Okamura, W. H. Proc. Chem. Soc. 1981, 46, 5197. Leyes, G. A.; Okamura, W. H. J. Am. Chem. Soc. 1982, 104, 6099. Haces, A.; Okamura, W. H. Proc. Chem. Soc. 1982, 104, 6105. Sueiras, J.; Okamura, W. H. J. Am. Chem. Soc. 1980, 102, 6255. Knudsen, G. C.; Carey, S. C.; Okamura, W. H. Proc. Chem. Soc. 1980, 102, 6355. Chandraratna, R. A. S.; Okamura, W. H. Proc. Chem. Soc. 1982, 104, 6114. Knudsen, C. G.; Chandraratna, R. A. S.; Walkeapaa, L. P.; Chauhan, Y. S.; Carey, S. C.; Cooper, T. M.; Birge, R. R.; Okamura, W. H. Proc. Chem. Soc. 1983, 105, 1626. Chandraratna, R. A. S.; Bayerque, A. L.; Okamura, W. H. Proc. Chem. Soc. 1983, 105, 3588. Gerdes, J. M.; Okamura, W. H. J. Org. Chem. 1983, 48, 4030. Jeganathan, S.; Johnston, A. D.; Kuenzel, E. A.; Norman, A. W.; Okamura, W. H. Proc. Chem. Soc. 1984, 49, 2152
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For an application of the reagent to alkenynols, see
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Alpine-borane (a trademark of the Aldrich Chemical Co.) is B-3-pinanyl-9-borabicyclo[3.3.1]nonane
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Alpine-borane (a trademark of the Aldrich Chemical Co.) is B-3-pinanyl-9-borabicyclo[3.3.1]nonane. Midland, M. M.; McDowell, D. C.; Hatch, R. L.; Tramontano, A. J. Am. Chem. Soc. 1980, 102, 867.
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Chirald, a trademark of the Aldrich Chemical Co. and previously referred to as Darvon alcohol”, is (+)-(2S, 3R)-4-(dimethylamino)-3-methyl-1, 2-diphenyl-2-butanol
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Chirald, a trademark of the Aldrich Chemical Co. and previously referred to as “Darvon alcohol”, is (+)-(2S, 3R)-4-(dimethylamino)-3-methyl-1, 2-diphenyl-2-butanol. Yamaguchi, S.; Mosher, H. S.; Pohland, A. J. Am. Chem. Soc. 1972, 94 9254. Yamaguchi, S.; Mosher, H. S.; J. Org. Chem. 1973, 38, 1870. Cohen, N.; Lopresti, R. J.; Neukom, C.; Saucy, G. J. Am. Chem. Soc. 1980, 45, 582. Brinkmeyer, R. S.; Kapoor, V. M. J. Am. Chem. Soc. 1977, 99, 8339. Johnson, W. S.; Brinkmeyer, R. S.; Kapoor, V. M. Yarnell, T. M. J. Am. Chem. Soc. 1977, 99, 8341.
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In one unoptimized attempt, Midland's reagent (for leading references see afforded mainly the same enantiomer as LiAlH4-Chirald. Neat Alpine-borane (see: Brown, H. C.; Pai, G. G. J. Org. Chem. 1982, 47, 1606) afforded R-15 in 73% ee (56% yield) using 92% ee α-pinene.
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4-Chirald. Neat Alpine-borane (see: Brown, H. C.; Pai, G. G. J. Org. Chem. 1982, 47, 1606) afforded R-15 in 73% ee (56% yield) using 92% ee α-pinene.
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4-Co(ii) salts was also recently reported: Chung, S-K.; Han, G. Synth. Commun. 1982, 12, 903
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Fransen, M.R.1
Luyten, W.C.M.M.2
van Thuijl, J.3
Lugtenburg, J.4
Jansen, P.A.A.5
van Breugel, P.J.G.M.6
Daemen, F.J.M.7
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34
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1542728793
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-
For a comparative discussion, see
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For a comparative discussion, see: Crowley, K. J.; Traynor, S. G. Tetrahedron 1978, 34, 2783.
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(1978)
Tetrahedron
, vol.34
, pp. 2783
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-
Crowley, K.J.1
Traynor, S.G.2
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35
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0004208435
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Steroids
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Reinhold: New York Chapter 4
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Fieser, L. F.; Fieser, M. “Steroids”; Reinhold: New York, 1959; Chapter 4.
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(1959)
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-
Fieser, L.F.1
Fieser, M.2
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36
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84982061618
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Reel. Trav. Chim. Pays-Bas
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and the references cited
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Hanewald, K. H.; Rappoldt, M. P.; Roborgh, J. R. Reel. Trav. Chim. Pays-Bas 1961, 80, 1003 and the references cited.
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(1961)
, vol.80
, pp. 1003
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-
Hanewald, K.H.1
Rappoldt, M.P.2
Roborgh, J.R.3
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37
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0018234848
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-
For recent data and leading references
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For recent data and leading references: Pelc, B.; Marshall, D. H. Steroids 1978, 31, 23.
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(1978)
Steroids
, vol.31
, pp. 23
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-
Pelc, B.1
Marshall, D.H.2
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38
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0000535805
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-
The more general term pseudopericyclic process was coined by Lemal and co-workers for allylic rearrangements Bushweller, C. H.; Ross, J. A.; Lemal, D. M. J. Am. Chem. Soc. 1977, 99, 629. For a recent theoretical discussion, see Henriksen, U.; Snyder, J. P.; Halgren, T. A. J. Org. Chem. 1981, 46, 3767
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The more general term pseudopericyclic process was coined by Lemal and co-workers for allylic rearrangements: Ross, J. A.; Seiders, R. P.; Lemal, D. M. J. Am. Chem. Soc. 1976, 98, 4325. Bushweller, C. H.; Ross, J. A.; Lemal, D. M. J. Am. Chem. Soc. 1977, 99, 629. For a recent theoretical discussion, see Henriksen, U.; Snyder, J. P.; Halgren, T. A. J. Org. Chem. 1981, 46, 3767.
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(1976)
J. Am. Chem. Soc.
, vol.98
, pp. 4325
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-
Ross, J.A.1
Seiders, R.P.2
Lemal, D.M.3
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39
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0001505217
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-
Pseudoelectrocyclizations have also been discussed See ref 6 Burke, L. A.; Elguero, J.; Leroy, G.; Sana, M. J. Am. Chem. Soc. 1976, 98, 1685. Schiess, P.; Scheller-Krattiger, V., unpublished data, University of Basel, Switzerland. We are grateful to Prof. Schiess for informative discussions
-
Pseudoelectrocyclizations have also been discussed. See ref 6, pp 311–312. Burke, L. A.; Elguero, J.; Leroy, G.; Sana, M. J. Am. Chem. Soc. 1976, 98, 1685. Schiess, P.; Scheller-Krattiger, V., unpublished data, University of Basel, Switzerland. We are grateful to Prof. Schiess for informative discussions.
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-
-
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40
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0003096990
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1π-bond of the allene moiety. However, Pasto has examined the (2 + 2) cycloaddition of allenes and olefins in terms of a stereoselective process where all three πsystems participate in a concerted fashion. See
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1 π-bond of the allene moiety. However, Pasto has examined the (2 + 2) cycloaddition of allenes and olefins in terms of a stereoselective process where all three πsystems participate in a concerted fashion. See Pasto, D. J. J. Am. Chem. Soc. 1979, 101, 37.
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(1979)
J. J. Am. Chem. Soc
, vol.101
, pp. 37
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Pasto, D.1
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41
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33947338739
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Pfitzner, K. E.; Moffatt, J. G. J. Am. Chem. Soc. 1963, 85, 3027. Pfitzner, K. E.; Moffatt, J. G. J. Am. Chem. Soc. 1965, 87, 5661
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Fenselau, A. H.; Moffatt, J. G. J. Am. Chem. Soc. 1966, 88, 1762. Pfitzner, K. E.; Moffatt, J. G. J. Am. Chem. Soc. 1963, 85, 3027. Pfitzner, K. E.; Moffatt, J. G. J. Am. Chem. Soc. 1965, 87, 5661.
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(1966)
J. Am. Chem. Soc.
, vol.88
, pp. 1762
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Fenselau, A.H.1
Moffatt, J.G.2
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42
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0344116747
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Mechanisms of Molecular Migrations
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Thyagarajan, B. S., Ed.; Interscience: New York
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Russell, G. A.; Mikol, G. J. In “Mechanisms of Molecular Migrations”; Thyagarajan, B. S., Ed.; Interscience: New York, 1968; Vol. 1, pp 157–176.
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(1968)
, vol.1
, pp. 157
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Russell, G.A.1
Mikol, G.J.2
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43
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0000204523
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We are grateful to Prof. Robert K. Boeckman for this interesting suggestion. For leading references on neighboring charge accelerated pericyclic processes, see Carpenter, B. K. Tetrahedron 1978, 34, 1877
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We are grateful to Prof. Robert K. Boeckman for this interesting suggestion. For leading references on neighboring charge accelerated pericyclic processes, see: Evans, D. A.; Golob, A. M. J. Am. Chem. Soc. 1975, 97, 4765. Carpenter, B. K. Tetrahedron 1978, 34, 1877.
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(1975)
J. Am. Chem. Soc.
, vol.97
, pp. 4765
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Evans, D.A.1
Golob, A.M.2
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44
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0000915385
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Paquette, L. A.; Crouse, G. D.; Sharma, A. K. J. Am. Chem. Soc. 1980, 102, 3972.
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(1980)
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, pp. 3972
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Paquette, L.A.1
Crouse, G.D.2
Sharma, A.K.3
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