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Preparation of β-ketoamides: (a) Kashima C., Fukuchi I., Takahashi K., Hosomi A. Tetrahedron. 52:1996;10335-10346 (b) Cossy J., Belotti D., Bouzide A., Thellend A. Bull. Soc. Chim. Fr. 131:1994;723-729. and references therein (c) Pak C.S., Yang H.C., Choi E.B. Synthesis. 1992;1213-1214 (d) Cossy J., Thellend A. Synthesis. 1989;753-755 (e) Cossy J., Belotti D., Thellend A., Pete J.P. Synthesis. 1988;720-721. and references therein (f) Sato M., Ogasawara H., Komatsu S., Kato T. Chem. Pharm. Bull. 32:1984;3848-3856 (g) Colau R., Viel C. Bull. Soc. Chim. Fr. Vol. II:1979;362-365 (h) Hauser C.R., Eby C.J. J. Am. Chem. Soc. 79:1957;725-727.
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Kashima, C.1
Fukuchi, I.2
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Hosomi, A.4
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15
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0000751473
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Preparation of β-ketoamides: (a) Kashima C., Fukuchi I., Takahashi K., Hosomi A. Tetrahedron. 52:1996;10335-10346 (b) Cossy J., Belotti D., Bouzide A., Thellend A. Bull. Soc. Chim. Fr. 131:1994;723-729. and references therein (c) Pak C.S., Yang H.C., Choi E.B. Synthesis. 1992;1213-1214 (d) Cossy J., Thellend A. Synthesis. 1989;753-755 (e) Cossy J., Belotti D., Thellend A., Pete J.P. Synthesis. 1988;720-721. and references therein (f) Sato M., Ogasawara H., Komatsu S., Kato T. Chem. Pharm. Bull. 32:1984;3848-3856 (g) Colau R., Viel C. Bull. Soc. Chim. Fr. Vol. II:1979;362-365 (h) Hauser C.R., Eby C.J. J. Am. Chem. Soc. 79:1957;725-727.
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Cossy, J.1
Belotti, D.2
Bouzide, A.3
Thellend, A.4
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16
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0026736879
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Preparation of β-ketoamides: (a) Kashima C., Fukuchi I., Takahashi K., Hosomi A. Tetrahedron. 52:1996;10335-10346 (b) Cossy J., Belotti D., Bouzide A., Thellend A. Bull. Soc. Chim. Fr. 131:1994;723-729. and references therein (c) Pak C.S., Yang H.C., Choi E.B. Synthesis. 1992;1213-1214 (d) Cossy J., Thellend A. Synthesis. 1989;753-755 (e) Cossy J., Belotti D., Thellend A., Pete J.P. Synthesis. 1988;720-721. and references therein (f) Sato M., Ogasawara H., Komatsu S., Kato T. Chem. Pharm. Bull. 32:1984;3848-3856 (g) Colau R., Viel C. Bull. Soc. Chim. Fr. Vol. II:1979;362-365 (h) Hauser C.R., Eby C.J. J. Am. Chem. Soc. 79:1957;725-727.
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(1992)
Synthesis
, pp. 1213-1214
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Pak, C.S.1
Yang, H.C.2
Choi, E.B.3
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17
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85081216860
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Preparation of β-ketoamides: (a) Kashima C., Fukuchi I., Takahashi K., Hosomi A. Tetrahedron. 52:1996;10335-10346 (b) Cossy J., Belotti D., Bouzide A., Thellend A. Bull. Soc. Chim. Fr. 131:1994;723-729. and references therein (c) Pak C.S., Yang H.C., Choi E.B. Synthesis. 1992;1213-1214 (d) Cossy J., Thellend A. Synthesis. 1989;753-755 (e) Cossy J., Belotti D., Thellend A., Pete J.P. Synthesis. 1988;720-721. and references therein (f) Sato M., Ogasawara H., Komatsu S., Kato T. Chem. Pharm. Bull. 32:1984;3848-3856 (g) Colau R., Viel C. Bull. Soc. Chim. Fr. Vol. II:1979;362-365 (h) Hauser C.R., Eby C.J. J. Am. Chem. Soc. 79:1957;725-727.
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Synthesis
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Cossy, J.1
Thellend, A.2
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18
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0001992008
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Preparation of β-ketoamides: (a) Kashima C., Fukuchi I., Takahashi K., Hosomi A. Tetrahedron. 52:1996;10335-10346 (b) Cossy J., Belotti D., Bouzide A., Thellend A. Bull. Soc. Chim. Fr. 131:1994;723-729. and references therein (c) Pak C.S., Yang H.C., Choi E.B. Synthesis. 1992;1213-1214 (d) Cossy J., Thellend A. Synthesis. 1989;753-755 (e) Cossy J., Belotti D., Thellend A., Pete J.P. Synthesis. 1988;720-721. and references therein (f) Sato M., Ogasawara H., Komatsu S., Kato T. Chem. Pharm. Bull. 32:1984;3848-3856 (g) Colau R., Viel C. Bull. Soc. Chim. Fr. Vol. II:1979;362-365 (h) Hauser C.R., Eby C.J. J. Am. Chem. Soc. 79:1957;725-727.
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(1988)
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Cossy, J.1
Belotti, D.2
Thellend, A.3
Pete, J.P.4
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19
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85021606192
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Preparation of β-ketoamides: (a) Kashima C., Fukuchi I., Takahashi K., Hosomi A. Tetrahedron. 52:1996;10335-10346 (b) Cossy J., Belotti D., Bouzide A., Thellend A. Bull. Soc. Chim. Fr. 131:1994;723-729. and references therein (c) Pak C.S., Yang H.C., Choi E.B. Synthesis. 1992;1213-1214 (d) Cossy J., Thellend A. Synthesis. 1989;753-755 (e) Cossy J., Belotti D., Thellend A., Pete J.P. Synthesis. 1988;720-721. and references therein (f) Sato M., Ogasawara H., Komatsu S., Kato T. Chem. Pharm. Bull. 32:1984;3848-3856 (g) Colau R., Viel C. Bull. Soc. Chim. Fr. Vol. II:1979;362-365 (h) Hauser C.R., Eby C.J. J. Am. Chem. Soc. 79:1957;725-727.
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Sato, M.1
Ogasawara, H.2
Komatsu, S.3
Kato, T.4
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20
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0348052261
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Preparation of β-ketoamides: (a) Kashima C., Fukuchi I., Takahashi K., Hosomi A. Tetrahedron. 52:1996;10335-10346 (b) Cossy J., Belotti D., Bouzide A., Thellend A. Bull. Soc. Chim. Fr. 131:1994;723-729. and references therein (c) Pak C.S., Yang H.C., Choi E.B. Synthesis. 1992;1213-1214 (d) Cossy J., Thellend A. Synthesis. 1989;753-755 (e) Cossy J., Belotti D., Thellend A., Pete J.P. Synthesis. 1988;720-721. and references therein (f) Sato M., Ogasawara H., Komatsu S., Kato T. Chem. Pharm. Bull. 32:1984;3848-3856 (g) Colau R., Viel C. Bull. Soc. Chim. Fr. Vol. II:1979;362-365 (h) Hauser C.R., Eby C.J. J. Am. Chem. Soc. 79:1957;725-727.
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Colau, R.1
Viel, C.2
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21
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Preparation of β-ketoamides: (a) Kashima C., Fukuchi I., Takahashi K., Hosomi A. Tetrahedron. 52:1996;10335-10346 (b) Cossy J., Belotti D., Bouzide A., Thellend A. Bull. Soc. Chim. Fr. 131:1994;723-729. and references therein (c) Pak C.S., Yang H.C., Choi E.B. Synthesis. 1992;1213-1214 (d) Cossy J., Thellend A. Synthesis. 1989;753-755 (e) Cossy J., Belotti D., Thellend A., Pete J.P. Synthesis. 1988;720-721. and references therein (f) Sato M., Ogasawara H., Komatsu S., Kato T. Chem. Pharm. Bull. 32:1984;3848-3856 (g) Colau R., Viel C. Bull. Soc. Chim. Fr. Vol. II:1979;362-365 (h) Hauser C.R., Eby C.J. J. Am. Chem. Soc. 79:1957;725-727.
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Eby, C.J.2
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Hennessey, S.M.9
Dicosimo, R.10
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0037077798
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It is usual, however, to adjust the biotransformation time of some racemic 2-substituted nitriles (conversion values of ca. 0.5) in order to obtain both amides and acids with high ee. See, for example: (a) Wang M.-X., Zhao S.-M. Tetrahedron: Asymmetry. 13:2002;1695-1702 (b) Wang M.-X., Feng G.-Q. Tetrahedron Lett. 41:2000;6501-6505 (c) Masutomo S.-., Inoue A., Kumagai K., Murai R., Mitsuda S. Biosci. Biotechnol. Biochem. 59:1995;720-722 (d) Gilligan T., Yamada H., Nagasawa T. Appl. Microbiol. Biotechnol. 39:1993;720-725 (e) Kakeya H., Sakai N., Sugai T., Ohta H. Tetrahedron Lett. 32:1991;1343-1346 (f) Bianchi D., Bosetti A., Cesti P., Franzosi G., Spezia S. Biotechnol. Lett. 13:1991;241-244.
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(2002)
Tetrahedron: Asymmetry
, vol.13
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Wang, M.-X.1
Zhao, S.-M.2
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25
-
-
0034641449
-
-
It is usual, however, to adjust the biotransformation time of some racemic 2-substituted nitriles (conversion values of ca. 0.5) in order to obtain both amides and acids with high ee. See, for example: (a) Wang M.-X., Zhao S.-M. Tetrahedron: Asymmetry. 13:2002;1695-1702 (b) Wang M.-X., Feng G.-Q. Tetrahedron Lett. 41:2000;6501-6505 (c) Masutomo S.-., Inoue A., Kumagai K., Murai R., Mitsuda S. Biosci. Biotechnol. Biochem. 59:1995;720-722 (d) Gilligan T., Yamada H., Nagasawa T. Appl. Microbiol. Biotechnol. 39:1993;720-725 (e) Kakeya H., Sakai N., Sugai T., Ohta H. Tetrahedron Lett. 32:1991;1343-1346 (f) Bianchi D., Bosetti A., Cesti P., Franzosi G., Spezia S. Biotechnol. Lett. 13:1991;241-244.
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(2000)
Tetrahedron Lett.
, vol.41
, pp. 6501-6505
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Wang, M.-X.1
Feng, G.-Q.2
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26
-
-
85007838840
-
-
It is usual, however, to adjust the biotransformation time of some racemic 2-substituted nitriles (conversion values of ca. 0.5) in order to obtain both amides and acids with high ee. See, for example: (a) Wang M.-X., Zhao S.-M. Tetrahedron: Asymmetry. 13:2002;1695-1702 (b) Wang M.-X., Feng G.-Q. Tetrahedron Lett. 41:2000;6501-6505 (c) Masutomo S.-., Inoue A., Kumagai K., Murai R., Mitsuda S. Biosci. Biotechnol. Biochem. 59:1995;720-722 (d) Gilligan T., Yamada H., Nagasawa T. Appl. Microbiol. Biotechnol. 39:1993;720-725 (e) Kakeya H., Sakai N., Sugai T., Ohta H. Tetrahedron Lett. 32:1991;1343-1346 (f) Bianchi D., Bosetti A., Cesti P., Franzosi G., Spezia S. Biotechnol. Lett. 13:1991;241-244.
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Masutomo, S.1
Inoue, A.2
Kumagai, K.3
Murai, R.4
Mitsuda, S.5
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27
-
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0027323052
-
-
It is usual, however, to adjust the biotransformation time of some racemic 2-substituted nitriles (conversion values of ca. 0.5) in order to obtain both amides and acids with high ee. See, for example: (a) Wang M.-X., Zhao S.-M. Tetrahedron: Asymmetry. 13:2002;1695-1702 (b) Wang M.-X., Feng G.-Q. Tetrahedron Lett. 41:2000;6501-6505 (c) Masutomo S.-., Inoue A., Kumagai K., Murai R., Mitsuda S. Biosci. Biotechnol. Biochem. 59:1995;720-722 (d) Gilligan T., Yamada H., Nagasawa T. Appl. Microbiol. Biotechnol. 39:1993;720-725 (e) Kakeya H., Sakai N., Sugai T., Ohta H. Tetrahedron Lett. 32:1991;1343-1346 (f) Bianchi D., Bosetti A., Cesti P., Franzosi G., Spezia S. Biotechnol. Lett. 13:1991;241-244.
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Gilligan, T.1
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Nagasawa, T.3
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28
-
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0026021192
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-
It is usual, however, to adjust the biotransformation time of some racemic 2-substituted nitriles (conversion values of ca. 0.5) in order to obtain both amides and acids with high ee. See, for example: (a) Wang M.-X., Zhao S.-M. Tetrahedron: Asymmetry. 13:2002;1695-1702 (b) Wang M.-X., Feng G.-Q. Tetrahedron Lett. 41:2000;6501-6505 (c) Masutomo S.-., Inoue A., Kumagai K., Murai R., Mitsuda S. Biosci. Biotechnol. Biochem. 59:1995;720-722 (d) Gilligan T., Yamada H., Nagasawa T. Appl. Microbiol. Biotechnol. 39:1993;720-725 (e) Kakeya H., Sakai N., Sugai T., Ohta H. Tetrahedron Lett. 32:1991;1343-1346 (f) Bianchi D., Bosetti A., Cesti P., Franzosi G., Spezia S. Biotechnol. Lett. 13:1991;241-244.
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Kakeya, H.1
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It is usual, however, to adjust the biotransformation time of some racemic 2-substituted nitriles (conversion values of ca. 0.5) in order to obtain both amides and acids with high ee. See, for example: (a)
-
It is usual, however, to adjust the biotransformation time of some racemic 2-substituted nitriles (conversion values of ca. 0.5) in order to obtain both amides and acids with high ee. See, for example: (a) Wang M.-X., Zhao S.-M. Tetrahedron: Asymmetry. 13:2002;1695-1702 (b) Wang M.-X., Feng G.-Q. Tetrahedron Lett. 41:2000;6501-6505 (c) Masutomo S.-., Inoue A., Kumagai K., Murai R., Mitsuda S. Biosci. Biotechnol. Biochem. 59:1995;720-722 (d) Gilligan T., Yamada H., Nagasawa T. Appl. Microbiol. Biotechnol. 39:1993;720-725 (e) Kakeya H., Sakai N., Sugai T., Ohta H. Tetrahedron Lett. 32:1991;1343-1346 (f) Bianchi D., Bosetti A., Cesti P., Franzosi G., Spezia S. Biotechnol. Lett. 13:1991;241-244.
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This strain was previously classified as Brevibacterium sp. See:
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This strain was previously classified as Brevibacterium sp. See: Briand D., Dubreucq E., Perrier V., Grimaud J., Galzy P. Microbios. 78:1994;205-214.
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85030932745
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note
-
f, especially when R. rhodochrous was grown in the absence of DEPA. In no TLC plate was ketoacid 3 observed before ketoamide 2 appeared, which is a confirmation of the lack of nitrilase activity of this bacterium.
-
-
-
-
53
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0003467672
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-
Wiley: New York
-
Although biotransformations were carried out at pH 8, it is known that β-ketocarboxylic acids experience decarboxylation under slightly basic conditions: March, J. Advanced Organic Chemistry. 4th ed. Wiley: New York, 1992, p. 629.
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March, J.1
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54
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85030928669
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note
-
Ketone 4r was isolated from the supernatant after extracting 2r at pH 8 and further continuous extraction (40 °C, 8 h) at pH 6.
-
-
-
-
55
-
-
85030922995
-
-
note
-
28c.
-
-
-
-
56
-
-
85030916877
-
-
note
-
We assume that the remaining 16% includes the formed β-ketoacid 3d and small losses during the work-up.
-
-
-
-
57
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0001495202
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-
See for example: (a) Bunting J.W., Kanter J.P. J. Am. Chem. Soc. 115:1993;11705-11715 (b) Yamasaki K., Kajimoto O. Chem. Phys. Lett. 172:1990;271-274 (c) Kallury K.R., Krull U.J., Thompson M. J. Org. Chem. 53:1988;1320-1322 (d) Zheglova D.K., Aleksiev A.A., Kmetska G.G., Petrov G.N., Kol'tsov A.I. J. Org. Chem. USSR. 24:1988;1641-1643 (e) Mills S.G., Beak P. J. Org. Chem. 50:1985;1216-1224 (f) Billman J.H., Sojka S., Taylor P.R. J. Chem. Soc., Perkin Trans. 2. 1972;2034-2035 (g) Allen G., Dwek R.A. J. Chem. Soc. (B). 1966;161-163 (h) Burdett J.L., Rogers M.T. J. Am. Chem. Soc. 86:1964;2105-2109.
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See for example: (a) Bunting J.W., Kanter J.P. J. Am. Chem. Soc. 115:1993;11705-11715 (b) Yamasaki K., Kajimoto O. Chem. Phys. Lett. 172:1990;271-274 (c) Kallury K.R., Krull U.J., Thompson M. J. Org. Chem. 53:1988;1320-1322 (d) Zheglova D.K., Aleksiev A.A., Kmetska G.G., Petrov G.N., Kol'tsov A.I. J. Org. Chem. USSR. 24:1988;1641-1643 (e) Mills S.G., Beak P. J. Org. Chem. 50:1985;1216-1224 (f) Billman J.H., Sojka S., Taylor P.R. J. Chem. Soc., Perkin Trans. 2. 1972;2034-2035 (g) Allen G., Dwek R.A. J. Chem. Soc. (B). 1966;161-163 (h) Burdett J.L., Rogers M.T. J. Am. Chem. Soc. 86:1964;2105-2109.
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See for example: (a) Bunting J.W., Kanter J.P. J. Am. Chem. Soc. 115:1993;11705-11715 (b) Yamasaki K., Kajimoto O. Chem. Phys. Lett. 172:1990;271-274 (c) Kallury K.R., Krull U.J., Thompson M. J. Org. Chem. 53:1988;1320-1322 (d) Zheglova D.K., Aleksiev A.A., Kmetska G.G., Petrov G.N., Kol'tsov A.I. J. Org. Chem. USSR. 24:1988;1641-1643 (e) Mills S.G., Beak P. J. Org. Chem. 50:1985;1216-1224 (f) Billman J.H., Sojka S., Taylor P.R. J. Chem. Soc., Perkin Trans. 2. 1972;2034-2035 (g) Allen G., Dwek R.A. J. Chem. Soc. (B). 1966;161-163 (h) Burdett J.L., Rogers M.T. J. Am. Chem. Soc. 86:1964;2105-2109.
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(1988)
J. Org. Chem.
, vol.53
, pp. 1320-1322
-
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Kallury, K.R.1
Krull, U.J.2
Thompson, M.3
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60
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0348052258
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See for example: (a) Bunting J.W., Kanter J.P. J. Am. Chem. Soc. 115:1993;11705-11715 (b) Yamasaki K., Kajimoto O. Chem. Phys. Lett. 172:1990;271-274 (c) Kallury K.R., Krull U.J., Thompson M. J. Org. Chem. 53:1988;1320-1322 (d) Zheglova D.K., Aleksiev A.A., Kmetska G.G., Petrov G.N., Kol'tsov A.I. J. Org. Chem. USSR. 24:1988;1641-1643 (e) Mills S.G., Beak P. J. Org. Chem. 50:1985;1216-1224 (f) Billman J.H., Sojka S., Taylor P.R. J. Chem. Soc., Perkin Trans. 2. 1972;2034-2035 (g) Allen G., Dwek R.A. J. Chem. Soc. (B). 1966;161-163 (h) Burdett J.L., Rogers M.T. J. Am. Chem. Soc. 86:1964;2105-2109.
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(1988)
J. Org. Chem. USSR
, vol.24
, pp. 1641-1643
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-
Zheglova, D.K.1
Aleksiev, A.A.2
Kmetska, G.G.3
Petrov, G.N.4
Kol'Tsov, A.I.5
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61
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0000884859
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See for example: (a) Bunting J.W., Kanter J.P. J. Am. Chem. Soc. 115:1993;11705-11715 (b) Yamasaki K., Kajimoto O. Chem. Phys. Lett. 172:1990;271-274 (c) Kallury K.R., Krull U.J., Thompson M. J. Org. Chem. 53:1988;1320-1322 (d) Zheglova D.K., Aleksiev A.A., Kmetska G.G., Petrov G.N., Kol'tsov A.I. J. Org. Chem. USSR. 24:1988;1641-1643 (e) Mills S.G., Beak P. J. Org. Chem. 50:1985;1216-1224 (f) Billman J.H., Sojka S., Taylor P.R. J. Chem. Soc., Perkin Trans. 2. 1972;2034-2035 (g) Allen G., Dwek R.A. J. Chem. Soc. (B). 1966;161-163 (h) Burdett J.L., Rogers M.T. J. Am. Chem. Soc. 86:1964;2105-2109.
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(1985)
J. Org. Chem.
, vol.50
, pp. 1216-1224
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Mills, S.G.1
Beak, P.2
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62
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10444272939
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See for example: (a) Bunting J.W., Kanter J.P. J. Am. Chem. Soc. 115:1993;11705-11715 (b) Yamasaki K., Kajimoto O. Chem. Phys. Lett. 172:1990;271-274 (c) Kallury K.R., Krull U.J., Thompson M. J. Org. Chem. 53:1988;1320-1322 (d) Zheglova D.K., Aleksiev A.A., Kmetska G.G., Petrov G.N., Kol'tsov A.I. J. Org. Chem. USSR. 24:1988;1641-1643 (e) Mills S.G., Beak P. J. Org. Chem. 50:1985;1216-1224 (f) Billman J.H., Sojka S., Taylor P.R. J. Chem. Soc., Perkin Trans. 2. 1972;2034-2035 (g) Allen G., Dwek R.A. J. Chem. Soc. (B). 1966;161-163 (h) Burdett J.L., Rogers M.T. J. Am. Chem. Soc. 86:1964;2105-2109.
-
(1972)
J. Chem. Soc., Perkin Trans. 2
, pp. 2034-2035
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Billman, J.H.1
Sojka, S.2
Taylor, P.R.3
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63
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0038463718
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See for example: (a) Bunting J.W., Kanter J.P. J. Am. Chem. Soc. 115:1993;11705-11715 (b) Yamasaki K., Kajimoto O. Chem. Phys. Lett. 172:1990;271-274 (c) Kallury K.R., Krull U.J., Thompson M. J. Org. Chem. 53:1988;1320-1322 (d) Zheglova D.K., Aleksiev A.A., Kmetska G.G., Petrov G.N., Kol'tsov A.I. J. Org. Chem. USSR. 24:1988;1641-1643 (e) Mills S.G., Beak P. J. Org. Chem. 50:1985;1216-1224 (f) Billman J.H., Sojka S., Taylor P.R. J. Chem. Soc., Perkin Trans. 2. 1972;2034-2035 (g) Allen G., Dwek R.A. J. Chem. Soc. (B). 1966;161-163 (h) Burdett J.L., Rogers M.T. J. Am. Chem. Soc. 86:1964;2105-2109.
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(1966)
J. Chem. Soc. (B)
, pp. 161-163
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Allen, G.1
Dwek, R.A.2
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64
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0001162292
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See for example: (a) Bunting J.W., Kanter J.P. J. Am. Chem. Soc. 115:1993;11705-11715 (b) Yamasaki K., Kajimoto O. Chem. Phys. Lett. 172:1990;271-274 (c) Kallury K.R., Krull U.J., Thompson M. J. Org. Chem. 53:1988;1320-1322 (d) Zheglova D.K., Aleksiev A.A., Kmetska G.G., Petrov G.N., Kol'tsov A.I. J. Org. Chem. USSR. 24:1988;1641-1643 (e) Mills S.G., Beak P. J. Org. Chem. 50:1985;1216-1224 (f) Billman J.H., Sojka S., Taylor P.R. J. Chem. Soc., Perkin Trans. 2. 1972;2034-2035 (g) Allen G., Dwek R.A. J. Chem. Soc. (B). 1966;161-163 (h) Burdett J.L., Rogers M.T. J. Am. Chem. Soc. 86:1964;2105-2109.
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(1964)
J. Am. Chem. Soc.
, vol.86
, pp. 2105-2109
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Burdett, J.L.1
Rogers, M.T.2
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65
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0004018410
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Solvents and Solvents Effects in Organic Chemistry
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Weinheim: VCH Verlagsgesellschaft. pp 91-97
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Reichardt C. Solvents and Solvents Effects in Organic Chemistry. 2nd ed. 1988;VCH Verlagsgesellschaft, Weinheim. pp 91-97.
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(1988)
2nd Ed.
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Reichardt, C.1
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69
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0003498447
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(d) Pashkevich K.I., Saloutin V.I., Fomin A.N., Rudaya M.N., Egorova L.C. Izv. Akad. Nauk. SSSR, Ser. Khim. 1986;1586-1592
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(1986)
Izv. Akad. Nauk. SSSR, Ser. Khim.
, pp. 1586-1592
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Pashkevich, K.I.1
Saloutin, V.I.2
Fomin, A.N.3
Rudaya, M.N.4
Egorova, L.C.5
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71
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85030929798
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36 see for instance Ref. 10d
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36 see for instance Ref. 10d.
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72
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85030926661
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note
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10g.
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74
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85030924294
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note
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Although 2c is formally alkyl substituted, the pyrrole ring can substantially alter its electronic effects.
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75
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85030919648
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note
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36d.
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76
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85030919007
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note
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36c.
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78
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85030921221
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note
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See Ref. 35, pp 360 and 365.
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79
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85030922923
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See Ref. 35, p 113
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See Ref. 35, p 113.
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80
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85030926957
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See Ref. 35, p 402
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See Ref. 35, p 402.
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81
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85030917994
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2CO]
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2CO].
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84
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85030920501
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Beilsteins Handbuch der Organischen Chemie, Vierte Auflage, Band 3, p 244
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Beilsteins Handbuch der Organischen Chemie, Vierte Auflage, Band 3, p 244.
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86
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85030924012
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Ar masked by the aromatic signals due to the major (79%) enol tautomer
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Ar masked by the aromatic signals due to the major (79%) enol tautomer.
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