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1
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0023181171
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Lee, M. D.; Dunne, T. S.; Chang, C. C.; Ellestad, G. A.; Siegel, M. M.; Morton, G. O.; McGahren, W. J.; Borders, D. B. J. Am. Chem. Soc. 1987, 109, 3466. (c) Golik, J.; Clardy, J.; Dubay, G.; Groenewold, G.; Kawaguchi, H.; Konishi, M.; Krishnan, B.; Ohkuma, H.; Saitoh, K.; Doyle, T. W. J. Am. Chem. Soc. 1987, 109, 3461. (d) Golik, J.; Dubay, G.; Groenewold, G.; Kawaguchi, H.; Konishi, M.; Krishnan, B.; Ohkuma, H.; Saitoh, K.; Doyle, T. W. J. Am. Chem. Soc. 1987, 109, 3462
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(a) Lee, M. D.; Dunne, T. S.; Siegel, M. M.; Chang, C. C.; Morton, G. O.; Borders, D. B. J. Am. Chem. Soc. 1987, 109, 3464. (b) Lee, M. D.; Dunne, T. S.; Chang, C. C.; Ellestad, G. A.; Siegel, M. M.; Morton, G. O.; McGahren, W. J.; Borders, D. B. J. Am. Chem. Soc. 1987, 109, 3466. (c) Golik, J.; Clardy, J.; Dubay, G.; Groenewold, G.; Kawaguchi, H.; Konishi, M.; Krishnan, B.; Ohkuma, H.; Saitoh, K.; Doyle, T. W. J. Am. Chem. Soc. 1987, 109, 3461. (d) Golik, J.; Dubay, G.; Groenewold, G.; Kawaguchi, H.; Konishi, M.; Krishnan, B.; Ohkuma, H.; Saitoh, K.; Doyle, T. W. J. Am. Chem. Soc. 1987, 109, 3462.
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(1987)
J. Am. Chem. Soc.
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Lee, M.D.1
Dunne, T.S.2
Siegel, M.M.3
Chang, C.C.4
Morton, G.O.5
Borders, D.B.6
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2
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33947088453
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(b) Lockhart, T. P.; Comita, P. B.; Bergman, R. G. J. Am. Chem. Soc. 1981, 103, 4082. (c) Lockhart, T. P.; Bergman, R. G. J. Am. Chem. Soc. 1981, 103, 4091. (d) For a definition and discussion of the term dehydroaromatic”, see: Bergman, R. G. Acc. Chem. Res. 1973, 6, 25. (3) (a) Myers, A. G. Tetrahedron Lett. 1987, 28, 4493. (b) Myers, A. G.; Proteau, P. J.; Handel, T. M. J. Am. Chem. Soc. 1988, 110, 7212. (c) Myers, A. G.; Proteau, P. J. J. Am. Chem. Soc. 1989, 111, 1146
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(a) Bergman, R. G.; Jones, R. R. J. Am. Chem. Soc. 1972, 94, 660. (b) Lockhart, T. P.; Comita, P. B.; Bergman, R. G. J. Am. Chem. Soc. 1981, 103, 4082. (c) Lockhart, T. P.; Bergman, R. G. J. Am. Chem. Soc. 1981, 103, 4091. (d) For a definition and discussion of the term dehydroaromatic”, see: Bergman, R. G. Acc. Chem. Res. 1973, 6, 25. (3) (a) Myers, A. G. Tetrahedron Lett. 1987, 28, 4493. (b) Myers, A. G.; Proteau, P. J.; Handel, T. M. J. Am. Chem. Soc. 1988, 110, 7212. (c) Myers, A. G.; Proteau, P. J. J. Am. Chem. Soc. 1989, 111, 1146.
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(1972)
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Bergman, R.G.1
Jones, R.R.2
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3
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0000179474
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An isoelectronic rearrangement (wherein the allene of 1 is replaced by a ketene) has been proposed to occur in the thermolysis of 4-alkynyl-4-alkoxycyclobutenones (b) Cyclization reactions of bisallene precursors of formula (H2C═C═CH)2X are known. X = cis-HC═CH: Ben-Efraim, D. A.; Sondheimer, F. Tetrahedron Lett. 1963, 313. X = O and S: Greenberg, M. M.; Blackstock, S. C.; Berson, J. A. Tetrahedron Lett. 1987, 28, 4263 and references therein
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2X are known. X = cis-HC═CH: Ben-Efraim, D. A.; Sondheimer, F. Tetrahedron Lett. 1963, 313. X = O and S: Greenberg, M. M.; Blackstock, S. C.; Berson, J. A. Tetrahedron Lett. 1987, 28, 4263 and references therein.
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(1989)
J. Am. Chem. Soc.
, vol.111
, pp. 975
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Foland, L.D.1
Karlsson, J.O.2
Perri, S.T.3
Schwabe, R.4
Xu, S.L.5
Patil, S.6
Moore, H.W.7
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4
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9644285669
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(b) Stephens, R. D.; Castro, C. E. J. Org. Chem. 1963, 28, 3313. (c) Use of cis-dichloroethylene in coupling reactions: Vollhardt, K. P. C.; Winn, L. S. Tetrahedron Lett. 1985, 26, 709. (d) Differential coupling of cis-dichloroethylene: Schreiber, S. L.; Kiessling, L. L. J. Am. Chem. Soc. 1988, 110, 631
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(a) Sonogashira, K.; Tohda, Y.; Hagihara, N. Tetrahedron Lett. 1975, 4467. (b) Stephens, R. D.; Castro, C. E. J. Org. Chem. 1963, 28, 3313. (c) Use of cis-dichloroethylene in coupling reactions: Vollhardt, K. P. C.; Winn, L. S. Tetrahedron Lett. 1985, 26, 709. (d) Differential coupling of cis-dichloroethylene: Schreiber, S. L.; Kiessling, L. L. J. Am. Chem. Soc. 1988, 110, 631.
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(1975)
Tetrahedron Lett.
, pp. 4467
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Sonogashira, K.1
Tohda, Y.2
Hagihara, N.3
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6
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0001553670
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Corey, E. J.; Wess, G.; Xiang, Y. B.; Singh, A. K. J. Am. Chem. Soc. 1987, 109, 4717.
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(1987)
J. Am. Chem. Soc.
, vol.109
, pp. 4717
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Corey, E.J.1
Wess, G.2
Xiang, Y.B.3
Singh, A.K.4
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7
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85022247298
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in press (b) Oxidative rearrangement of an allylic hydrazine has been accomplished with molecular oxygen; see ref 7. (c) For the oxidation of 1,1-and 1,2-di-alkylhydrazines, respectively, with diethyl azodicarboxylate, see: Fahr, E.; Koch, K.-H. Liebigs Ann. Chem. 1980, 219. Stone, K. J.; Greenberg, M. M.; Blackstock, S. C.; Berson, J. A. J. Am. Chem. Soc. 1989, 111, 3659
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(a) Myers, A. G.; Finney, N. S.; Kuo, E. Y. Tetrahedron Lett., in press. (b) Oxidative rearrangement of an allylic hydrazine has been accomplished with molecular oxygen; see ref 7. (c) For the oxidation of 1,1-and 1,2-di-alkylhydrazines, respectively, with diethyl azodicarboxylate, see: Fahr, E.; Koch, K.-H. Liebigs Ann. Chem. 1980, 219. Stone, K. J.; Greenberg, M. M.; Blackstock, S. C.; Berson, J. A. J. Am. Chem. Soc. 1989, 111, 3659.
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Tetrahedron Lett.
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Myers, A.G.1
Finney, N.S.2
Kuo, E.Y.3
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