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For some leading references on the most relevant methods for the synthesis of γ,δ-unsaturated amino acids, see the following. (i) Ene reaction of sulfonylimines: Yao, S.; Fang, X.; Jørgensen, K. A. J. Chem. Soc., Chem. Commun. 1998, 2547. (ii) Allylation of electrophilic glycines: Roos, E. C.; Mooiweer, H. H.; Hiemstra, H.; Speckam, W. C.; Kaptein, B.; Boesten, W. H. J.; Kamphuis, J. J. Org. Chem. 1992, 57, 6769. (iii) Allylation of nucleophilic glycines: (a) Chinchilla, R.; Falvello, L. R.; Galindo, N.; Nájera, C. Angew. Chem., Int. Ed. Engl. 1997, 36, 995. (b) Seebach, D.; Hoffmann, M. Eur. J. Org. Chem. 1998, 1337. Ireland-Claisen reaction on allyl ester enolates: (a) Kazmaier, U.; Maier, S. Chem. Commun. 1998, 2535. (b) Miller, J. F.; Termin, A.; Koch, K. Piscopio, A. D. J. Org. Chem. 1998, 63, 3158. (c) Kazmaier, U.; Schneider, C. Synthesis 1998, 1321. Hydrogenation of conjugated dienamides: Burk, M. J.; Allen, J. G.; Kiesman, W. F. J. Am. Chem. Soc. 1998, 120, 657. Palladium-catalyzed allylic substitutions: (a) Trost, B. M.; Ariza, X. Angew. Chem., Int. Ed. 1997, 36, 2635. (b) Kazmaier, U.; Zumpe, F. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 1468 and references cited therein.
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For some leading references on the most relevant methods for the synthesis of γ,δ-unsaturated amino acids, see the following. (i) Ene reaction of sulfonylimines: Yao, S.; Fang, X.; Jørgensen, K. A. J. Chem. Soc., Chem. Commun. 1998, 2547. (ii) Allylation of electrophilic glycines: Roos, E. C.; Mooiweer, H. H.; Hiemstra, H.; Speckam, W. C.; Kaptein, B.; Boesten, W. H. J.; Kamphuis, J. J. Org. Chem. 1992, 57, 6769. (iii) Allylation of nucleophilic glycines: (a) Chinchilla, R.; Falvello, L. R.; Galindo, N.; Nájera, C. Angew. Chem., Int. Ed. Engl. 1997, 36, 995. (b) Seebach, D.; Hoffmann, M. Eur. J. Org. Chem. 1998, 1337. Ireland-Claisen reaction on allyl ester enolates: (a) Kazmaier, U.; Maier, S. Chem. Commun. 1998, 2535. (b) Miller, J. F.; Termin, A.; Koch, K. Piscopio, A. D. J. Org. Chem. 1998, 63, 3158. (c) Kazmaier, U.; Schneider, C. Synthesis 1998, 1321. Hydrogenation of conjugated dienamides: Burk, M. J.; Allen, J. G.; Kiesman, W. F. J. Am. Chem. Soc. 1998, 120, 657. Palladium-catalyzed allylic substitutions: (a) Trost, B. M.; Ariza, X. Angew. Chem., Int. Ed. 1997, 36, 2635. (b) Kazmaier, U.; Zumpe, F. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 1468 and references cited therein.
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Kamphuis, J.7
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For some leading references on the most relevant methods for the synthesis of γ,δ-unsaturated amino acids, see the following. (i) Ene reaction of sulfonylimines: Yao, S.; Fang, X.; Jørgensen, K. A. J. Chem. Soc., Chem. Commun. 1998, 2547. (ii) Allylation of electrophilic glycines: Roos, E. C.; Mooiweer, H. H.; Hiemstra, H.; Speckam, W. C.; Kaptein, B.; Boesten, W. H. J.; Kamphuis, J. J. Org. Chem. 1992, 57, 6769. (iii) Allylation of nucleophilic glycines: (a) Chinchilla, R.; Falvello, L. R.; Galindo, N.; Nájera, C. Angew. Chem., Int. Ed. Engl. 1997, 36, 995. (b) Seebach, D.; Hoffmann, M. Eur. J. Org. Chem. 1998, 1337. Ireland-Claisen reaction on allyl ester enolates: (a) Kazmaier, U.; Maier, S. Chem. Commun. 1998, 2535. (b) Miller, J. F.; Termin, A.; Koch, K. Piscopio, A. D. J. Org. Chem. 1998, 63, 3158. (c) Kazmaier, U.; Schneider, C. Synthesis 1998, 1321. Hydrogenation of conjugated dienamides: Burk, M. J.; Allen, J. G.; Kiesman, W. F. J. Am. Chem. Soc. 1998, 120, 657. Palladium-catalyzed allylic substitutions: (a) Trost, B. M.; Ariza, X. Angew. Chem., Int. Ed. 1997, 36, 2635. (b) Kazmaier, U.; Zumpe, F. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 1468 and references cited therein.
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Falvello, L.R.2
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Nájera, C.4
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For some leading references on the most relevant methods for the synthesis of γ,δ-unsaturated amino acids, see the following. (i) Ene reaction of sulfonylimines: Yao, S.; Fang, X.; Jørgensen, K. A. J. Chem. Soc., Chem. Commun. 1998, 2547. (ii) Allylation of electrophilic glycines: Roos, E. C.; Mooiweer, H. H.; Hiemstra, H.; Speckam, W. C.; Kaptein, B.; Boesten, W. H. J.; Kamphuis, J. J. Org. Chem. 1992, 57, 6769. (iii) Allylation of nucleophilic glycines: (a) Chinchilla, R.; Falvello, L. R.; Galindo, N.; Nájera, C. Angew. Chem., Int. Ed. Engl. 1997, 36, 995. (b) Seebach, D.; Hoffmann, M. Eur. J. Org. Chem. 1998, 1337. Ireland-Claisen reaction on allyl ester enolates: (a) Kazmaier, U.; Maier, S. Chem. Commun. 1998, 2535. (b) Miller, J. F.; Termin, A.; Koch, K. Piscopio, A. D. J. Org. Chem. 1998, 63, 3158. (c) Kazmaier, U.; Schneider, C. Synthesis 1998, 1321. Hydrogenation of conjugated dienamides: Burk, M. J.; Allen, J. G.; Kiesman, W. F. J. Am. Chem. Soc. 1998, 120, 657. Palladium-catalyzed allylic substitutions: (a) Trost, B. M.; Ariza, X. Angew. Chem., Int. Ed. 1997, 36, 2635. (b) Kazmaier, U.; Zumpe, F. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 1468 and references cited therein.
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(1998)
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Seebach, D.1
Hoffmann, M.2
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24
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0032556448
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For some leading references on the most relevant methods for the synthesis of γ,δ-unsaturated amino acids, see the following. (i) Ene reaction of sulfonylimines: Yao, S.; Fang, X.; Jørgensen, K. A. J. Chem. Soc., Chem. Commun. 1998, 2547. (ii) Allylation of electrophilic glycines: Roos, E. C.; Mooiweer, H. H.; Hiemstra, H.; Speckam, W. C.; Kaptein, B.; Boesten, W. H. J.; Kamphuis, J. J. Org. Chem. 1992, 57, 6769. (iii) Allylation of nucleophilic glycines: (a) Chinchilla, R.; Falvello, L. R.; Galindo, N.; Nájera, C. Angew. Chem., Int. Ed. Engl. 1997, 36, 995. (b) Seebach, D.; Hoffmann, M. Eur. J. Org. Chem. 1998, 1337. Ireland-Claisen reaction on allyl ester enolates: (a) Kazmaier, U.; Maier, S. Chem. Commun. 1998, 2535. (b) Miller, J. F.; Termin, A.; Koch, K. Piscopio, A. D. J. Org. Chem. 1998, 63, 3158. (c) Kazmaier, U.; Schneider, C. Synthesis 1998, 1321. Hydrogenation of conjugated dienamides: Burk, M. J.; Allen, J. G.; Kiesman, W. F. J. Am. Chem. Soc. 1998, 120, 657. Palladium-catalyzed allylic substitutions: (a) Trost, B. M.; Ariza, X. Angew. Chem., Int. Ed. 1997, 36, 2635. (b) Kazmaier, U.; Zumpe, F. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 1468 and references cited therein.
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Chem. Commun.
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Kazmaier, U.1
Maier, S.2
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0001603361
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For some leading references on the most relevant methods for the synthesis of γ,δ-unsaturated amino acids, see the following. (i) Ene reaction of sulfonylimines: Yao, S.; Fang, X.; Jørgensen, K. A. J. Chem. Soc., Chem. Commun. 1998, 2547. (ii) Allylation of electrophilic glycines: Roos, E. C.; Mooiweer, H. H.; Hiemstra, H.; Speckam, W. C.; Kaptein, B.; Boesten, W. H. J.; Kamphuis, J. J. Org. Chem. 1992, 57, 6769. (iii) Allylation of nucleophilic glycines: (a) Chinchilla, R.; Falvello, L. R.; Galindo, N.; Nájera, C. Angew. Chem., Int. Ed. Engl. 1997, 36, 995. (b) Seebach, D.; Hoffmann, M. Eur. J. Org. Chem. 1998, 1337. Ireland-Claisen reaction on allyl ester enolates: (a) Kazmaier, U.; Maier, S. Chem. Commun. 1998, 2535. (b) Miller, J. F.; Termin, A.; Koch, K. Piscopio, A. D. J. Org. Chem. 1998, 63, 3158. (c) Kazmaier, U.; Schneider, C. Synthesis 1998, 1321. Hydrogenation of conjugated dienamides: Burk, M. J.; Allen, J. G.; Kiesman, W. F. J. Am. Chem. Soc. 1998, 120, 657. Palladium-catalyzed allylic substitutions: (a) Trost, B. M.; Ariza, X. Angew. Chem., Int. Ed. 1997, 36, 2635. (b) Kazmaier, U.; Zumpe, F. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 1468 and references cited therein.
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Termin, A.2
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Piscopio, A.D.4
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26
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0031706012
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For some leading references on the most relevant methods for the synthesis of γ,δ-unsaturated amino acids, see the following. (i) Ene reaction of sulfonylimines: Yao, S.; Fang, X.; Jørgensen, K. A. J. Chem. Soc., Chem. Commun. 1998, 2547. (ii) Allylation of electrophilic glycines: Roos, E. C.; Mooiweer, H. H.; Hiemstra, H.; Speckam, W. C.; Kaptein, B.; Boesten, W. H. J.; Kamphuis, J. J. Org. Chem. 1992, 57, 6769. (iii) Allylation of nucleophilic glycines: (a) Chinchilla, R.; Falvello, L. R.; Galindo, N.; Nájera, C. Angew. Chem., Int. Ed. Engl. 1997, 36, 995. (b) Seebach, D.; Hoffmann, M. Eur. J. Org. Chem. 1998, 1337. Ireland-Claisen reaction on allyl ester enolates: (a) Kazmaier, U.; Maier, S. Chem. Commun. 1998, 2535. (b) Miller, J. F.; Termin, A.; Koch, K. Piscopio, A. D. J. Org. Chem. 1998, 63, 3158. (c) Kazmaier, U.; Schneider, C. Synthesis 1998, 1321. Hydrogenation of conjugated dienamides: Burk, M. J.; Allen, J. G.; Kiesman, W. F. J. Am. Chem. Soc. 1998, 120, 657. Palladium-catalyzed allylic substitutions: (a) Trost, B. M.; Ariza, X. Angew. Chem., Int. Ed. 1997, 36, 2635. (b) Kazmaier, U.; Zumpe, F. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 1468 and references cited therein.
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(1998)
Synthesis
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Schneider, C.2
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27
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0032481423
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For some leading references on the most relevant methods for the synthesis of γ,δ-unsaturated amino acids, see the following. (i) Ene reaction of sulfonylimines: Yao, S.; Fang, X.; Jørgensen, K. A. J. Chem. Soc., Chem. Commun. 1998, 2547. (ii) Allylation of electrophilic glycines: Roos, E. C.; Mooiweer, H. H.; Hiemstra, H.; Speckam, W. C.; Kaptein, B.; Boesten, W. H. J.; Kamphuis, J. J. Org. Chem. 1992, 57, 6769. (iii) Allylation of nucleophilic glycines: (a) Chinchilla, R.; Falvello, L. R.; Galindo, N.; Nájera, C. Angew. Chem., Int. Ed. Engl. 1997, 36, 995. (b) Seebach, D.; Hoffmann, M. Eur. J. Org. Chem. 1998, 1337. Ireland-Claisen reaction on allyl ester enolates: (a) Kazmaier, U.; Maier, S. Chem. Commun. 1998, 2535. (b) Miller, J. F.; Termin, A.; Koch, K. Piscopio, A. D. J. Org. Chem. 1998, 63, 3158. (c) Kazmaier, U.; Schneider, C. Synthesis 1998, 1321. Hydrogenation of conjugated dienamides: Burk, M. J.; Allen, J. G.; Kiesman, W. F. J. Am. Chem. Soc. 1998, 120, 657. Palladium-catalyzed allylic substitutions: (a) Trost, B. M.; Ariza, X. Angew. Chem., Int. Ed. 1997, 36, 2635. (b) Kazmaier, U.; Zumpe, F. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 1468 and references cited therein.
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(1998)
J. Am. Chem. Soc.
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Burk, M.J.1
Allen, J.G.2
Kiesman, W.F.3
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28
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0031573960
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For some leading references on the most relevant methods for the synthesis of γ,δ-unsaturated amino acids, see the following. (i) Ene reaction of sulfonylimines: Yao, S.; Fang, X.; Jørgensen, K. A. J. Chem. Soc., Chem. Commun. 1998, 2547. (ii) Allylation of electrophilic glycines: Roos, E. C.; Mooiweer, H. H.; Hiemstra, H.; Speckam, W. C.; Kaptein, B.; Boesten, W. H. J.; Kamphuis, J. J. Org. Chem. 1992, 57, 6769. (iii) Allylation of nucleophilic glycines: (a) Chinchilla, R.; Falvello, L. R.; Galindo, N.; Nájera, C. Angew. Chem., Int. Ed. Engl. 1997, 36, 995. (b) Seebach, D.; Hoffmann, M. Eur. J. Org. Chem. 1998, 1337. Ireland-Claisen reaction on allyl ester enolates: (a) Kazmaier, U.; Maier, S. Chem. Commun. 1998, 2535. (b) Miller, J. F.; Termin, A.; Koch, K. Piscopio, A. D. J. Org. Chem. 1998, 63, 3158. (c) Kazmaier, U.; Schneider, C. Synthesis 1998, 1321. Hydrogenation of conjugated dienamides: Burk, M. J.; Allen, J. G.; Kiesman, W. F. J. Am. Chem. Soc. 1998, 120, 657. Palladium-catalyzed allylic substitutions: (a) Trost, B. M.; Ariza, X. Angew. Chem., Int. Ed. 1997, 36, 2635. (b) Kazmaier, U.; Zumpe, F. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 1468 and references cited therein.
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Trost, B.M.1
Ariza, X.2
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and references cited therein
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For some leading references on the most relevant methods for the synthesis of γ,δ-unsaturated amino acids, see the following. (i) Ene reaction of sulfonylimines: Yao, S.; Fang, X.; Jørgensen, K. A. J. Chem. Soc., Chem. Commun. 1998, 2547. (ii) Allylation of electrophilic glycines: Roos, E. C.; Mooiweer, H. H.; Hiemstra, H.; Speckam, W. C.; Kaptein, B.; Boesten, W. H. J.; Kamphuis, J. J. Org. Chem. 1992, 57, 6769. (iii) Allylation of nucleophilic glycines: (a) Chinchilla, R.; Falvello, L. R.; Galindo, N.; Nájera, C. Angew. Chem., Int. Ed. Engl. 1997, 36, 995. (b) Seebach, D.; Hoffmann, M. Eur. J. Org. Chem. 1998, 1337. Ireland-Claisen reaction on allyl ester enolates: (a) Kazmaier, U.; Maier, S. Chem. Commun. 1998, 2535. (b) Miller, J. F.; Termin, A.; Koch, K. Piscopio, A. D. J. Org. Chem. 1998, 63, 3158. (c) Kazmaier, U.; Schneider, C. Synthesis 1998, 1321. Hydrogenation of conjugated dienamides: Burk, M. J.; Allen, J. G.; Kiesman, W. F. J. Am. Chem. Soc. 1998, 120, 657. Palladium-catalyzed allylic substitutions: (a) Trost, B. M.; Ariza, X. Angew. Chem., Int. Ed. 1997, 36, 2635. (b) Kazmaier, U.; Zumpe, F. L. Angew. Chem., Int. Ed. Engl. 1999, 38, 1468 and references cited therein.
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(E)-Ethyl 4-acetoxy-2-butenoate is the product of the γ-addition of acetate anion to ethyl 2-butynoate. See: Alvarez-Ibarra, C.; Csákÿ, A. G.; Gómez de la Oliva, C. Tetrahedron Lett. 1999, 40, 8465.
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tBu in THF. See, for example: (a) Stork, G.; Leong, A. Y. W.; Touzin, A. M. J. Org. Chem. 1976, 41, 3491. (b) Hoppe, D.; Beckmann, L. Lieb. Ann. Chem. 1979, 2066. (c) Alvarez-Ibarra, C.; Csákÿ, A. G.; Colmenero, B.; Quiroga, M. L. J. Org. Chem. 1997, 62, 2478.
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J. Org. Chem.
, vol.62
, pp. 2478
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Alvarez-Ibarra, C.1
Csákÿ, A.G.2
Colmenero, B.3
Quiroga, M.L.4
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36
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0343171387
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Alvarez Ibarra, C.; Csákÿ, A. G.; Martin Ortega, E.; de la Morena, M. J.; Quiroga, M. L. Tetrahedron Lett. 1997, 38, 4501.
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(1997)
Tetrahedron Lett.
, vol.38
, pp. 4501
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Alvarez Ibarra, C.1
Csákÿ, A.G.2
Martin Ortega, E.3
De La Morena, M.J.4
Quiroga, M.L.5
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37
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0030878922
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The product of the attack of the potassium enolates of 2 to the α-carbon of 1 was not observed. This reaction course has been proposed for the addition of nitrogen nucleophiles to the α-carbon of alkynoates. See: Trost, B. M.; Dake, G. R. J. Am. Chem. Soc. 1997, 119, 7595.
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(1997)
J. Am. Chem. Soc.
, vol.119
, pp. 7595
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Trost, B.M.1
Dake, G.R.2
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38
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37049088865
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See, for example: Battersby, A. R.; Baker, M. G.; Broadbent, H. A.; Fookes, J. R.; Leeper, F. J. J. Chem. Soc., Perkin Trans. 1 1987, 2027.
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(1987)
J. Chem. Soc., Perkin Trans. 1
, pp. 2027
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Battersby, A.R.1
Baker, M.G.2
Broadbent, H.A.3
Fookes, J.R.4
Leeper, F.J.5
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