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(a) Ezaki, M.; Iwami, M.; Yamashita, M.; Hashimoto, S.; Komori, T.; Umehara, K.; Mine, Y.; Kohsaka, M.; Aoki, H.; Imanaka, H. J. Antibiotics 1985, 38, 1453.
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Umehara, K.6
Mine, Y.7
Kohsaka, M.8
Aoki, H.9
Imanaka, H.10
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Shigematsu, N.2
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Imanaka, H.6
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Schmidt, U.1
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(d) Schmidt, U.; Meyer, R.; Leitenberger, V.; Lieberknecht, A. Angew. Chem., Int. Ed. Engl. 1989, 28, 929; Angew. Chem. 1989, 101, 946.
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(a) Schmidt, U.; Leitenberger, V.; Griesser, H.; Schmidt, J.; Meyer, R. Synthesis 1992, 1248.
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11
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(a) Schmidt, U.; Meyer, R.; Leitenberger, V.; Griesser, H.; Lieberknecht, A. Synthesis 1992, 1025.
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14
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0034597521
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For a recent convergent synthetic approach to related cyclopeptides, see: Carbonnelle, A.-C.; Zhu, J. Org. Lett. 2000, 2, 3477.
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Org. Lett.
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Carbonnelle, A.-C.1
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(a) Josien, H.; Martin, A.; Chassaing, G. Tetrahedron Lett. 1991, 32, 6547.
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(b) Oppolzer, W.; Moretti, R.; Thomi, S. Tetrahedron Lett. 1989, 30, 6009.
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Oppolzer, W.1
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17
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0012723305
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note
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Benzylbromide 8 was prepared from 5-iodo-salicylic acid in 40% overall yield as indicated in Scheme 6.
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18
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0012625482
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note
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+): 398.0253; Found: 398.0253.
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19
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0030572734
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The enantiomeric purity of 11 was determined via its Fmoc derivative by HPLC (ChiraDex®Gamma (5-μm) LiChroCART® 250 × 4 mm (Merck) MeCN-triethylamine-AcOH, 1000:7:0.5, 1 mL/min) according to Armstrong et al. to be > 98% ee. See: Tang, Y.; Zukowski, J.; Armstrong, D. W. J. Chromatogr. A 1996, 743, 261.
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(1996)
J. Chromatogr. A
, vol.743
, pp. 261
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Tang, Y.1
Zukowski, J.2
Armstrong, D.W.3
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20
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0028801146
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The absolute configuration of 11 was determined to be S by conversion into -o-tyrosine, whose absolute configuration has been unambiguously established. Lit.: Dugave, C. J. Org. Chem. 1995, 60, 601.
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(1995)
J. Org. Chem.
, vol.60
, pp. 601
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Dugave, C.1
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24
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33751386638
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Farina, V.; Krishnan, B.; Marshall, D. R.; Roth, G. P. J. Org. Chem. 1993, 58, 5434.
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J. Org. Chem.
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Farina, V.1
Krishnan, B.2
Marshall, D.R.3
Roth, G.P.4
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26
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0000802361
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Farina, V.; Krishnamurthy, V.; Scott, W. J. Org. React. 1997, 50, 1.
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(1997)
Org. React.
, vol.50
, pp. 1
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Farina, V.1
Krishnamurthy, V.2
Scott, W.J.3
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27
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0012675448
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note
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In addition to 20, 21 and 22 small amounts of the respective aryl iodide homocoupling product i (1-7%) and in case of entries 1-4 product ii (3-6%), which arises from aryl transfer by the arsine, were also obtained (Figure 2).
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28
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33750236967
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For the preparation of 23 (Figure 3), see: Herrmann, W. A.; Broßmer, C.; Öfele, K.; Reisinger, C.-P.; Priermeier, T.; Beller, M.; Fischer, H. Angew. Chem., Int. Ed. Engl. 1995, 34, 1844; Angew. Chem. 1995, 107, 1989.
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(1995)
Angew. Chem., Int. Ed. Engl.
, vol.34
, pp. 1844
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Herrmann, W.A.1
Broßmer, C.2
Öfele, K.3
Reisinger, C.-P.4
Priermeier, T.5
Beller, M.6
Fischer, H.7
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29
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33750236967
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For the preparation of 23 (Figure 3), see: Herrmann, W. A.; Broßmer, C.; Öfele, K.; Reisinger, C.-P.; Priermeier, T.; Beller, M.; Fischer, H. Angew. Chem., Int. Ed. Engl. 1995, 34, 1844; Angew. Chem. 1995, 107, 1989.
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(1995)
Angew Chem.
, vol.107
, pp. 1989
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30
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0030472722
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(a) Louie, J.; Hartwig, J. F. Angew. Chem. Int. Ed. Engl. 1996, 35, 2359; Angew. Chem. 1996, 108, 2531.
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(1996)
Angew. Chem. Int. Ed. Engl.
, vol.35
, pp. 2359
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Louie, J.1
Hartwig, J.F.2
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31
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0030472722
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(a) Louie, J.; Hartwig, J. F. Angew. Chem. Int. Ed. Engl. 1996, 35, 2359; Angew. Chem. 1996, 108, 2531.
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(1996)
Angew Chem.
, vol.108
, pp. 2531
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32
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0345982380
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(b) Herrmann, W. A.; Böhm, V. P. W.; Reisinger, C.-P. J. Orgmet. Chem. 1999, 576, 23.
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(1999)
J. Orgmet. Chem.
, vol.576
, pp. 23
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Herrmann, W.A.1
Böhm, V.P.W.2
Reisinger, C.-P.3
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34
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0012671401
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note
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arom).
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