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6
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6 Postema, M. H. D., Tetrahedron 1992, 48, 8545-8599; Beau, J. M.; Sinay, P., Tetrahedron Lett. 1985, 26, 6185-6188, 6189-6192; Schmidt, R. R.; Preuss, R.; Betz, R., Tetrahedron Lett, 1987, 28, 6591-6594; Preuss, R.; Schmidt, R. R., Liebigs Ann. Chem. 1989, 429-434; Hutchinson, D. K.; Fuchs, P. L., J. Am. Chem. Soc. 1987, 109, 4930-4939.
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6 Postema, M. H. D., Tetrahedron 1992, 48, 8545-8599; Beau, J. M.; Sinay, P., Tetrahedron Lett. 1985, 26, 6185-6188, 6189-6192; Schmidt, R. R.; Preuss, R.; Betz, R., Tetrahedron Lett, 1987, 28, 6591-6594; Preuss, R.; Schmidt, R. R., Liebigs Ann. Chem. 1989, 429-434; Hutchinson, D. K.; Fuchs, P. L., J. Am. Chem. Soc. 1987, 109, 4930-4939.
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6 Postema, M. H. D., Tetrahedron 1992, 48, 8545-8599; Beau, J. M.; Sinay, P., Tetrahedron Lett. 1985, 26, 6185-6188, 6189-6192; Schmidt, R. R.; Preuss, R.; Betz, R., Tetrahedron Lett, 1987, 28, 6591-6594; Preuss, R.; Schmidt, R. R., Liebigs Ann. Chem. 1989, 429-434; Hutchinson, D. K.; Fuchs, P. L., J. Am. Chem. Soc. 1987, 109, 4930-4939.
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9
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6 Postema, M. H. D., Tetrahedron 1992, 48, 8545-8599; Beau, J. M.; Sinay, P., Tetrahedron Lett. 1985, 26, 6185-6188, 6189-6192; Schmidt, R. R.; Preuss, R.; Betz, R., Tetrahedron Lett, 1987, 28, 6591-6594; Preuss, R.; Schmidt, R. R., Liebigs Ann. Chem. 1989, 429-434; Hutchinson, D. K.; Fuchs, P. L., J. Am. Chem. Soc. 1987, 109, 4930-4939.
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Preuss, R.1
Schmidt, R.R.2
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6 Postema, M. H. D., Tetrahedron 1992, 48, 8545-8599; Beau, J. M.; Sinay, P., Tetrahedron Lett. 1985, 26, 6185-6188, 6189-6192; Schmidt, R. R.; Preuss, R.; Betz, R., Tetrahedron Lett, 1987, 28, 6591-6594; Preuss, R.; Schmidt, R. R., Liebigs Ann. Chem. 1989, 429-434; Hutchinson, D. K.; Fuchs, P. L., J. Am. Chem. Soc. 1987, 109, 4930-4939.
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7 Schauer, R., Adv. Carbohydr. Chem. Biochem. 1982, 40, 131-234; Unger, F. M., Adv. Carbohydr. Chem. Biochem. 1981, 38, 323-388; DeNinno, M. P., Synthesis 1991, 583-593.
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7 Schauer, R., Adv. Carbohydr. Chem. Biochem. 1982, 40, 131-234; Unger, F. M., Adv. Carbohydr. Chem. Biochem. 1981, 38, 323-388; DeNinno, M. P., Synthesis 1991, 583-593.
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7 Schauer, R., Adv. Carbohydr. Chem. Biochem. 1982, 40, 131-234; Unger, F. M., Adv. Carbohydr. Chem. Biochem. 1981, 38, 323-388; DeNinno, M. P., Synthesis 1991, 583-593.
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9 For example: Marino, J. P.; Farina, J. S., J. Org. Chem. 1976, 41, 3213-3215; Kozikowsky, A. P.; Gosh, A, K., Tetrahedron Lett. 1983, 24, 2623-2626; Dowd, P.; Shapiro, M.; Kang, J., Tetrahedron 1984, 40, 3069-3086.
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9 For example: Marino, J. P.; Farina, J. S., J. Org. Chem. 1976, 41, 3213-3215; Kozikowsky, A. P.; Gosh, A, K., Tetrahedron Lett. 1983, 24, 2623-2626; Dowd, P.; Shapiro, M.; Kang, J., Tetrahedron 1984, 40, 3069-3086.
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9 For example: Marino, J. P.; Farina, J. S., J. Org. Chem. 1976, 41, 3213-3215; Kozikowsky, A. P.; Gosh, A, K., Tetrahedron Lett. 1983, 24, 2623-2626; Dowd, P.; Shapiro, M.; Kang, J., Tetrahedron 1984, 40, 3069-3086.
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Dowd, P.1
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0011846373
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10 Raucher, S.; Huang, K. J.; MacDonald, J. E., Tetrahedron Lett. 1979, 3057-3060; Still, W. C.; Schneider, M. J., J. Am. Chem. Soc. 1977, 99, 948-950.
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10 Raucher, S.; Huang, K. J.; MacDonald, J. E., Tetrahedron Lett. 1979, 3057-3060; Still, W. C.; Schneider, M. J., J. Am. Chem. Soc. 1977, 99, 948-950.
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11 Cowell, A.; Stille, J. K., J. Am. Chem. Soc. 1980, 102, 4193-4198; Martin, L. D.; Stille, J. K., J. Org. Chem. 1982, 47, 3630-3633.
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11 Cowell, A.; Stille, J. K., J. Am. Chem. Soc. 1980, 102, 4193-4198; Martin, L. D.; Stille, J. K., J. Org. Chem. 1982, 47, 3630-3633.
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12 Grieco, P. A.; Ohfune, Y.; Majetich, G. F., J. Org. Chem. 1983, 48, 360-366; Bredereck, H., Simchen, G.; Rebsdat, S.; Kantlehner, W.; Horn, P.; Wahl, R.; Hoffmann, H.; Grieshaber, P., Chem. Ber. 1968, 101, 41-50; Grieco, P. A., Pogonowski, C. S., J. Org. Chem. 1974, 39, 1958-1959; Howie, G. A., Manni, P. E.; Cassidy, J. M., J. Med. Chem. 1974, 17, 840-843.
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12 Grieco, P. A.; Ohfune, Y.; Majetich, G. F., J. Org. Chem. 1983, 48, 360-366; Bredereck, H., Simchen, G.; Rebsdat, S.; Kantlehner, W.; Horn, P.; Wahl, R.; Hoffmann, H.; Grieshaber, P., Chem. Ber. 1968, 101, 41-50; Grieco, P. A., Pogonowski, C. S., J. Org. Chem. 1974, 39, 1958-1959; Howie, G. A., Manni, P. E.; Cassidy, J. M., J. Med. Chem. 1974, 17, 840-843.
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Kantlehner, W.4
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Wahl, R.6
Hoffmann, H.7
Grieshaber, P.8
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25
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0016165065
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12 Grieco, P. A.; Ohfune, Y.; Majetich, G. F., J. Org. Chem. 1983, 48, 360-366; Bredereck, H., Simchen, G.; Rebsdat, S.; Kantlehner, W.; Horn, P.; Wahl, R.; Hoffmann, H.; Grieshaber, P., Chem. Ber. 1968, 101, 41-50; Grieco, P. A., Pogonowski, C. S., J. Org. Chem. 1974, 39, 1958-1959; Howie, G. A., Manni, P. E.; Cassidy, J. M., J. Med. Chem. 1974, 17, 840-843.
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12 Grieco, P. A.; Ohfune, Y.; Majetich, G. F., J. Org. Chem. 1983, 48, 360-366; Bredereck, H., Simchen, G.; Rebsdat, S.; Kantlehner, W.; Horn, P.; Wahl, R.; Hoffmann, H.; Grieshaber, P., Chem. Ber. 1968, 101, 41-50; Grieco, P. A., Pogonowski, C. S., J. Org. Chem. 1974, 39, 1958-1959; Howie, G. A., Manni, P. E.; Cassidy, J. M., J. Med. Chem. 1974, 17, 840-843.
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0001034509
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13 Hassner, A.; Pinnick, H. W., J. Org. Chem. 1978, 43, 1774-1776; Ali, S. M.; Roberts, S. M., J. Chem. Soc. Perkin Trans. 1 1976, 1934-1938; Grieco, P. A.; Hiroi, K., Tetrahedron Lett. 1974, 3467-3470.
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0001034509
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13 Hassner, A.; Pinnick, H. W., J. Org. Chem. 1978, 43, 1774-1776; Ali, S. M.; Roberts, S. M., J. Chem. Soc. Perkin Trans. 1 1976, 1934-1938; Grieco, P. A.; Hiroi, K., Tetrahedron Lett. 1974, 3467-3470.
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13 Hassner, A.; Pinnick, H. W., J. Org. Chem. 1978, 43, 1774-1776; Ali, S. M.; Roberts, S. M., J. Chem. Soc. Perkin Trans. 1 1976, 1934-1938; Grieco, P. A.; Hiroi, K., Tetrahedron Lett. 1974, 3467-3470.
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14 Semmelhack, M. F.; Yamashita, A.; Tomesch, J. C.; Hirotsu, K., J. Am. Chem. Soc. 1978, 100, 5565-5567.
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15 Cassays, J. M.; Byrn, S. R.; Stamos, I. K.; Evans, S. M.; McKenzie, A., J. Med. Chem. 1978, 21, 815-819.
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33748718807
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16 For different approaches: Tamm, T. F.; Fraser-Reid, B., J. Chem. Soc. Chem. Commun. 1980, 556-558; Rauter, A. P., Figueiredo, J. A.; Ismael, I. M., Carbohydr. Res. 1989, 188, 19-24.
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0024674792
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16 For different approaches: Tamm, T. F.; Fraser-Reid, B., J. Chem. Soc. Chem. Commun. 1980, 556-558; Rauter, A. P., Figueiredo, J. A.; Ismael, I. M., Carbohydr. Res. 1989, 188, 19-24.
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Figueiredo, J.A.2
Ismael, I.M.3
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84979385936
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17 Löffler, A.; Pratt, R. D.; Rüesch, H. P.; Dreiding, A. S., Helv. Chim. Acta 1970, 53, 383-403; Öhler, E.; Reininger, K.; Schmidt, U.; Angew. Chem., Int. Ed. Engl. 1970, 9, 457-458.
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Löffler, A.1
Pratt, R.D.2
Rüesch, H.P.3
Dreiding, A.S.4
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84981926374
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17 Löffler, A.; Pratt, R. D.; Rüesch, H. P.; Dreiding, A. S., Helv. Chim. Acta 1970, 53, 383-403; Öhler, E.; Reininger, K.; Schmidt, U.; Angew. Chem., Int. Ed. Engl. 1970, 9, 457-458.
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Öhler, E.1
Reininger, K.2
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36
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0001724473
-
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18 When these zinc-mediated reactions between the carbohydrate derived carbonyl compounds and the alkyl 2-bromomethyl-acrylate were performed under classical conditions, however, the target molecules were obtained only in low yields and mostly without any stereoselectivity; cf. Rauter, A. P.; Figueiredo, J. A.; Ismael, I.; Pais, M. S.; Gonzales, A. G.; Diaz, J.; Barrera, J. B., J. Carbohydr. Chem. 1987, 6, 259-272.
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Ismael, I.3
Pais, M.S.4
Gonzales, A.G.5
Diaz, J.6
Barrera, J.B.7
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37
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0025873603
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19 Csuk, R.; Hu, Z.; Abdou, M.; Kratky, C., Tetrahedron 1991, 47, 7037-7044.
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37049085812
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20 Imamoto, T.; Hatajima, T.; Takiyama, N.; Takeyama, T.; Kamiya, Y.; Yoshizawa, T., J. Chem. Soc. Perkin Trans 1 1991, 3127-3135.
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Yoshizawa, T.6
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41
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0024207883
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23 Marquez, V. E.; Lim, M.-I.; Lim, C. K.-H.; Markovac, A.; Priest, M. A.; Khan, M. S.; Kaskar, B., J. Org. Chem. 1988, 53, 5709-5714.
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42
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33845554860
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24 Lewis, M. D.; Cha, J. K.; Kishi, Y. J. Am. Chem. Soc. 1982, 104, 4976-4978; Aebischer, B. M.; Hanssen, H. W.; Vasella, A. T.; Schweizer, W. B., J. Chem. Soc., Perkin Trans 1 1982, 2139-2147.
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37049106441
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24 Lewis, M. D.; Cha, J. K.; Kishi, Y. J. Am. Chem. Soc. 1982, 104, 4976-4978; Aebischer, B. M.; Hanssen, H. W.; Vasella, A. T.; Schweizer, W. B., J. Chem. Soc., Perkin Trans 1 1982, 2139-2147.
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Schweizer, W.B.4
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45
-
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85030273824
-
-
note
-
26 It seems most likely that the proximal oxygenated substituents on the carbohydrate moiety act as directing groups during the addition rather by steric effects than by chelation. As shown for the zinc-silver/graphite mediated Dreiding-Schmidt reaction spontaneous cyclization of the intermediary zinc alcoholate can trap the initially formed products (i.e. the products of a kinetically controlled reaction, cf. ref. 28). The thermodynamically more stable products are formed by subsequent anomerization reactions.
-
-
-
-
46
-
-
0026736199
-
-
27 AM1 calculations (program MOPAC version 6.0, precise option, Pulay's method in SCF, using a CAChe 3.8 environment) were performed and the calculated values of the heat of formation of the respective anomers were compared, although one should keep in mind that calculated energy differences between anomers are often overestimated; cf. Juaresti, E.; Cuevas, C., Tetrahedron 1992, 48, 5019-5087. For AM1: Dewar, M. J. J.; Zoebisch, E. G.; Healy, F. F.; Steward, J. J. P., J. Am. Chem. Soc. 1985, 107, 3902-3909.
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Juaresti, E.1
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47
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0842341771
-
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27 AM1 calculations (program MOPAC version 6.0, precise option, Pulay's method in SCF, using a CAChe 3.8 environment) were performed and the calculated values of the heat of formation of the respective anomers were compared, although one should keep in mind that calculated energy differences between anomers are often overestimated; cf. Juaresti, E.; Cuevas, C., Tetrahedron 1992, 48, 5019-5087. For AM1: Dewar, M. J. J.; Zoebisch, E. G.; Healy, F. F.; Steward, J. J. P., J. Am. Chem. Soc. 1985, 107, 3902-3909.
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48
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0028011902
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28 Csuk, R.; Glänzer, B. I.; Hu, Z.; Boese, R., Tetrahedron 1994, 50, 1111-1124.
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49
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0025646965
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29 Csuk, R.; Glänzer, B. I., J. Carbohydr. Chem. 1990, 9, 809-822; Palomo, C.; Aizpurna, J. M.; López, M. C.; Lecea, B., J. Chem. Soc., Perkin Trans. 1 1989, 1692-1694.
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29 Csuk, R.; Glänzer, B. I., J. Carbohydr. Chem. 1990, 9, 809-822; Palomo, C.; Aizpurna, J. M.; López, M. C.; Lecea, B., J. Chem. Soc., Perkin Trans. 1 1989, 1692-1694.
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López, M.C.3
Lecea, B.4
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51
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85030267629
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note
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2 mediated Reformatsky reactions of aldonolactones with alkyl 2-bromo-alkanoates as compared to the reaction of bromoacetonitrile; cf. ref. 25
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52
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0001025443
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31 Cohen, N.; Banner, B.L.; Laurenzano, A. J., Org. Synth. 1985, 63, 127-135.
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Cohen, N.1
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53
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0028929020
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2 mediated selfcondensations: Park, H. S.; Lee, I. S.; Kim, Y. H., Tetrahedron Lett. 1995, 36, 1673-1674.
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Park, H.S.1
Lee, I.S.2
Kim, Y.H.3
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54
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0027965656
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33 No dimerization of the aldonolactone took place either; cf. Csuk, R.; Schaade, M.; Schmidt, A., Tetrahedron 1994, 50, 11885-11892.
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Csuk, R.1
Schaade, M.2
Schmidt, A.3
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55
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0023938379
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34 For the preparation of the starting material cf. ref. 37 and Csuk, R.; Hugener M.; Vasella, A., Helv. Chim. Acta 1988, 71, 609-618.
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Csuk, R.1
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Vasella, A.3
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57
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0011885196
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36 Bis-addition in Dreiding-Schmidt type reactions has previously been reported for the reaction of acid chlorides and nitriles: El Alami, N.; Belaud, C.; Villieras, J., J. Organomet. Chem. 1987, 319, 303-309.
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El Alami, N.1
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59
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0002153681
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38 Hanessian, S.; Ponpipom, M. M.; Lavalle, P., Carbohydr. Res. 1972, 24, 45-56; Boigegrain, R. A.; Castro, B.; Grass, B., Bull. Soc. Chim. Fr. 1974, 2623-2627.
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60
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0002153681
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38 Hanessian, S.; Ponpipom, M. M.; Lavalle, P., Carbohydr. Res. 1972, 24, 45-56; Boigegrain, R. A.; Castro, B.; Grass, B., Bull. Soc. Chim. Fr. 1974, 2623-2627.
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Boigegrain, R.A.1
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40 Baldwin, J. E.; Adlington, R. M.; Lowe, C.; O'Neil, I. A.; Sanders, G. L.; Schofield, C. J.; Sweeney, J. B., J. Chem. Soc. Chem. Commun. 1988, 1030-1031.
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Baldwin, J.E.1
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Lowe, C.3
O'Neil, I.A.4
Sanders, G.L.5
Schofield, C.J.6
Sweeney, J.B.7
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