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33746282662
-
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note
-
It is not possible to directly discern the yields of the individual coupling reactions: assuming a maximum yield of 100% for the second coupling (normally a more efficient process, see ref. 2), the maximum possible yield for the first step is 51%. Our original observations in monocoupling of 1 with PhI gave 2 (Ar = Ph) in a yield of 51%.
-
-
-
-
15
-
-
33746279015
-
-
note
-
+: 237.0915; m/z (%) = 179.0 (15).
-
-
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16
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See, for instance: (a) Higuchi, K.; Sawada, K.; Nambu, H.; Shogaki, T.; Kita, Y. Org. Lett. 2003, 5, 3703.
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(b) Wang, L.; Pan, Y.; Jiang, X.; Hu, H. Tetrahedron Lett. 2000, 41, 725.
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(e) Pan, Y.; Zang, Z.; Hu, H. Synth. Commun. 1992, 22, 2019.
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33746313793
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note
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+: 265.1221; m/z (%) = 219 (20), 91 (25).
-
-
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24
-
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15944402848
-
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For racemic and asymmetric syntheses of hinokinin, see: (a) Morimoto, T.; Nagai, H.; Achiwa, K. Synth. Commun. 2005, 35, 857.
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20144388803
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(b) da Silva, R.; de Souza, G. H. B.; da Silva, A. A.; de Souza, V. A.; Pereira, A. C.; Royo, V. D.; Silva, M. L. A. F.; Donate, P. M.; Araujo, A. L. S. D.; Carvalho, J. C. T.; Bastos, J. K. Bioorg. Med. Chem. Lett. 2005, 15, 1033.
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Donate, P.M.8
Araujo, A.L.S.D.9
Carvalho, J.C.T.10
Bastos, J.K.11
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27
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33746292327
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(e) Enders, D.; Lausberg, V.; Del Signore, G.; Berner, O. M. Synthesis 2002, 515.
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33748717995
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-
-
33746322014
-
-
note
-
+: 355.1164; m/z (%) = 135 (45).
-
-
-
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31
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84990107551
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