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0000218993
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26844440901
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3-coordination) occurs more commonly in larger rings with greater coordination strain and/or conformational barriers: (a) Lewis, J.; Parkins, A. W. J. Chem. Soc. (A) 1969, 953-957.
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0001182590
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Itoh, K.1
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9
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26844528492
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note
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1c
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11
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0032560960
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(b) Etkin, N.; Dzwiniel, T. L.; Schwiebert, K. E.; Stryker, J. M. J. Am. Chem. Soc. 1998, 120, 9702-9703.
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(c) Dzwiniel, T. L.; Etkin, N.; Stryker, J. M. J. Am. Chem. Soc. 1999, 121, 10640-10641.
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Dzwiniel, T.L.1
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Stryker, J.M.3
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14
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0001023645
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3-allyl/α,ω-diyne: (a) Tang, J.; Shinokubo, H.; Oshima, K. Organomelatlics 1998, 17, 290-292.
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Tang, J.1
Shinokubo, H.2
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15
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0034815566
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(b) Nishikawa, T.; Kakiya, H.; Shinokubo, H.; Oshima, K. J. Am. Chem. Soc. 2001, 123, 4629-4630.
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Nishikawa, T.1
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Shinokubo, H.3
Oshima, K.4
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16
-
-
0041305921
-
-
Other recent [3+ 2 + 2] cycloaddition reactions: (a) Baluenga, J.; Barrio, P.; López, L. A.; Tomás, M.; García-Granda, S.; Alvarez-Rúa, C. Angew. Chem., Int. Ed. 2003, 42, 3008-3011.
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Tomás, M.4
García-Granda, S.5
Alvarez-Rúa, C.6
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4344715554
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(b) Saito, S.; Masudo, M.; Komegawa, S. J. Am. Chem. Soc. 2004, 126, 10540-10541.
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Saito, S.1
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18
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0000699878
-
-
(a) Lutsenko, Z. L.; Aleksandrov, G. G.; Petrovskii, P. V.; Shubina, E. S.; Andrianov, V. G.; Struchkov, Y. T.; Rubezhov, A. Z. J. Organomet. Chem. 1985, 281, 349-364.
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Andrianov, V.G.5
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Rubezhov, A.Z.7
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19
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0037595669
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(b) Lutsenko, Z. L.; Petrovskii, P.; Bezrukova, A.; Rubezhov, A. Z. Bull. Acad. Sci. USSR 1988, 735-738.
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Lutsenko, Z.L.1
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Rubezhov, A.Z.4
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21
-
-
26844501250
-
-
note
-
Complete experimental details are provided as Supporting Information.
-
-
-
-
22
-
-
26844580012
-
-
note
-
7b
-
-
-
-
23
-
-
26844571362
-
-
note
-
2c
-
-
-
-
24
-
-
26844456490
-
-
note
-
4h
-
-
-
-
25
-
-
26844460670
-
-
note
-
8 Reactions involving 2-butyne (≥2 equiv) diverge substantially and will be discussed elsewhere.
-
-
-
-
26
-
-
26844476734
-
-
note
-
7
-
-
-
-
27
-
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37049092259
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Bennett, M. A.; Huang, T.-N.; Turney, T. W. J. Chem. Soc., Chem. Commun. 1979, 312-313.
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Bennett, M.A.1
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Turney, T.W.3
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28
-
-
26844569801
-
-
note
-
9 (Diagram presented).
-
-
-
-
29
-
-
26844498674
-
-
note
-
5- cycloheptadienyl series.
-
-
-
-
30
-
-
0000377348
-
-
This extensive transformation presumably involves intramolecular iodolactonization/iodide elimination, with concomitant iodide-mediated ester demethylation. Related, completely organic, transformations are known: Garratt, D. G.; Ryan, M. D.; Beaulieu, P. L. J. Org. Chem. 1980, 45, 839-845.
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Garratt, D.G.1
Ryan, M.D.2
Beaulieu, P.L.3
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31
-
-
26844577192
-
-
note
-
This process nominally involves lactone elimination followed, presumably, by cycloreversion driven by norcaradiene/cycloheptatriene equilibration.
-
-
-
-
32
-
-
0034725388
-
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See, for example: (a) Tanino, K.; Shimizu, T.; Miyama, M.; Kuwajima, I. J. Am. Chem. Soc. 2000, 122, 6116-6117.
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Tanino, K.1
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0030812785
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Tetrahedron
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Wockenfufl, B.1
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Tochtermann, W.3
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34
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37049071577
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(c) Bowden, S. L.; Harris, S. A.; Heller, H. G.; Hewlins, M. J. E. J. Chem. Soc., Perkin Trans. 1 1992, 725-728.
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84985580936
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(d) Rainer, H. Ugi, I. Angew. Chem., Int. Ed. Engl. 1985, 24, 594-596.
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Rainer, H.1
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