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3142736432
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For details see the Supporting Information
-
For details see the Supporting Information.
-
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32
-
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3142705762
-
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note
-
3 = tBu), see Supporting Information. The stereochemistry was initially missassigned (ref 15), but later corrected (refs 19 and 20).
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33
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84985611390
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(a) Tietze, L. F.; Brand, S.; Pfeiffer, T. Angew. Chem., Int. Ed. Engl. 1985, 24, 784-786.
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0006287614
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2 in EtOAc (quant.) and comparing the optical rotation with a reported value: Enders, D.; Rendenbach, B. E. M Tetrahedron 1986, 42, 2235-2242.
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37
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3142666095
-
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note
-
Addition of 4-phenyl-l-butyne to (E)-4d with use of 60 mol % of zinc and converting the adduct into the β-alkynyl acid gave ent-6d in 84% yield and 95% ee (not shown).
-
-
-
-
38
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0000559897
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β substitution, see: (a) Schreiber, S. L.; Sammakia, T.; Crowe, W. E. J. Am. Chem. Soc. 1986, 108, 3128-3130. (b) Schreiber, S. L.; Klimas, M. T.; Sammakia, T. J. Am. Chem. Soc. 1987, 109, 5749-5759.
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Schreiber, S.L.1
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0000882082
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β substitution, see: (a) Schreiber, S. L.; Sammakia, T.; Crowe, W. E. J. Am. Chem. Soc. 1986, 108, 3128-3130. (b) Schreiber, S. L.; Klimas, M. T.; Sammakia, T. J. Am. Chem. Soc. 1987, 109, 5749-5759.
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Sammakia, T.3
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