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5
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0030496093
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4. Yus, M.; Ramón, D. J. Chem. Soc. Chem. Commun. 1991, 398. For a review, see: Yus, M. Chem. Soc. Rev. 1996, 155.
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Yus, M.1
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6
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0010402689
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5. See, for instance: Bachki, A.; Fobuelo, F.; Yus, M. Tetrahedron 1997, 55, 4921; Almena, J.; Fobuelo, F.; Yus, M. J. Org. Chem. 1996, 61, 1859, and references cited therein.
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Bachki, A.1
Fobuelo, F.2
Yus, M.3
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7
-
-
0001262307
-
-
and references cited therein
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5. See, for instance: Bachki, A.; Fobuelo, F.; Yus, M. Tetrahedron 1997, 55, 4921; Almena, J.; Fobuelo, F.; Yus, M. J. Org. Chem. 1996, 61, 1859, and references cited therein.
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Almena, J.1
Fobuelo, F.2
Yus, M.3
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8
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85022430382
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6. Lete, E.; Egiarte, A.; Sotomayor, N.; Vicente, T.; Villa, M. J. Synlett 1993, 41.
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Lete, E.1
Egiarte, A.2
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Villa, M.5
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9
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0028902813
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7. (a) Collado, M. I.; Lete, E ; Sotomayor, N.; Villa, M. J.; Tetrahedron 1995, 51, 4701.
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Collado, M.I.1
Lete, E.2
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Villa, M.J.4
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10
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0030593585
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(b) Collado, M. I.; Sotomayor, N.; Villa, M. J.; Lete, E Tetrahedron Lett. 1996, 37, 6193.
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Collado, M.I.1
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11
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0030597180
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(c) Manteca, I.; Sotomayor, N.; Villa, M. J.; Lete, E. Tetrahedron Lett. 1996, 37, 7841.
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Manteca, I.1
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12
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0001157440
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(d) Collado, M. I.; Manteca, I.; Sotomayor, N.; Villa, M. J.; Lete, E. J. Org. Chem. 1997, 62, 2080
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Lete, E.5
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13
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0030152862
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and references cited therein
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8. Suehiro, M.; Greenberg, J. H.; Shine, C. Y.; Gonzalez, C.; Dembowski, B.; Reivich, M. Nucl. Med. Biol. 1996, 23, 407, and references cited therein.
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Suehiro, M.1
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Gonzalez, C.4
Dembowski, B.5
Reivich, M.6
-
14
-
-
85038547485
-
-
Maleimide 4 was prepared by condensation of 2-(3,4-dimethoxyphenyl)ethylamine with maleic anhydride in refluxing acetic acid (yield 76%)
-
9. Maleimide 4 was prepared by condensation of 2-(3,4-dimethoxyphenyl)ethylamine with maleic anhydride in refluxing acetic acid (yield 76%).
-
-
-
-
15
-
-
85038543848
-
-
To prove that the organolithium was only needed to initiate the polymerization proccess, maleimide 4 was treated with substoichiometric quantities of n-BuLi (0.1 eq, 0.25 eq), obtaining identical results
-
10. To prove that the organolithium was only needed to initiate the polymerization proccess, maleimide 4 was treated with substoichiometric quantities of n-BuLi (0.1 eq, 0.25 eq), obtaining identical results.
-
-
-
-
16
-
-
84944048371
-
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Katritzsky, A. R.; Rees, C. W.; Meth-Cohn, O. Eds.; Pergamon Press: Oxford
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11. Heilmann, S. M.; Rasmussen, J. K. W. N. In Comprehensive Heterocydic Chemistry, Katritzsky, A. R.; Rees, C. W.; Meth-Cohn, O. Eds.; Pergamon Press: Oxford, 1984; vol. 1; p. 269.
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Heilmann, S.M.1
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17
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0025040045
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12. (a) Romo, D.; Romine, J. L.; Midura, W.; Meyers, A. I. Tetrahedron 1990, 46, 4951.
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Romo, D.1
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Meyers, A.I.4
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19
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0029055876
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(c) Andres, C. J.; Lee, P. H Wguyen, T. H.; Meyers, A. I. J. Org. Chem. 1995, 60, 3189.
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20
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0029145643
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(d) Meyers, A. I.; Tschantz, M. A.; Brengel, G. P. J. Org. Chem. 1995, 60, 4359.
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Brengel, G.P.3
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21
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0029887516
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(e) Meyers, A. I.; Andres, C. J.; Resek, J. E.; McLaughlin, M. A.; Woodwall, C. C.; Lee, P. H. J. Org. Chem. 1996, 61, 2586.
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Woodwall, C.C.5
Lee, P.H.6
-
23
-
-
0026585058
-
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For some related examples, see: (b) Arai, Y.; Kontani, T.; Koizumi, T. Tetrahedron: Asymmetry 1992, 3, 535.
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Arai, Y.1
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24
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0010317941
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Chu, X.-J.1
Dong, H.2
Liu, Z.-Y.3
-
25
-
-
85038543392
-
-
Several reaction conditions were tested, but no extrusion of cyclopentadiene was detected at lower temperatures
-
14. Several reaction conditions were tested, but no extrusion of cyclopentadiene was detected at lower temperatures.
-
-
-
-
27
-
-
0000893628
-
-
(b) Maercker, A.; Bsata, M.; Buchmeier, W.; Engelen, B. Chem. Ber. 1984, 117, 2547.
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Maercker, A.1
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Engelen, B.4
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34
-
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0001727276
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(b) Cohen, T.; Sherbine, J. P.; Matz, J. R.; Hutchins, R. R.; McHenry, B. M.; Willey, P. R. J. Am. Chem. Soc. 1984, 106, 3245.
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McHenry, B.M.5
Willey, P.R.6
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35
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0010318348
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(c) Cohen, T.; Sherbine, J. P.; Hutchins, R. R.; Lin, M.-T. Organomet. Synth. 1986, 3, 361.
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33748737077
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19. Corey, E. J.; Seebach, D. Angew. Chem., Int. Ed. Engl. 1965, 4, 1075.
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Corey, E.J.1
Seebach, D.2
-
37
-
-
85038551622
-
-
17 was prepared by alkylation of thiophenol with 1,3-diodopropane. See experimental section
-
20. 17 was prepared by alkylation of thiophenol with 1,3-diodopropane. See experimental section.
-
-
-
-
38
-
-
85038539780
-
-
Desilylation prior to cyclization was necessary. When the cyclization was carried out directly on 19a,b, dethioketalization occurred, loosing the desired functionality
-
21. Desilylation prior to cyclization was necessary. When the cyclization was carried out directly on 19a,b, dethioketalization occurred, loosing the desired functionality.
-
-
-
-
41
-
-
0002714675
-
-
24. Still, W. C.; Kann, H; Mitra, A. J. Org. Chem. 1978, 43, 2923.
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