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0025019332
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0028265950
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0036373902
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0035816509
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Griengl, H.9
Kren, V.10
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24
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85031175531
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For a typical experiment, cells of Rhodococcus sp. R312 and Rhodococcus erythropolis NCIMB 11540 were freshly cultivated and harvested by centrifugation. After a washing step, the cells were resuspended in phosphate buffer. To 500 μL of resting cell suspension in Eppendorff vessels, 25 μL of the substrates were added as 5% solutions in DMSO. The bioconversions proceeded at 130 rpm and 30°C in a rotary shaker and were stopped after 24 h by addition of HCl (2N). Remaining starting material and products were extracted with ethylacetate and the conversion rates were determined by reversed-phase HPLC
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For a typical experiment, cells of Rhodococcus sp. R312 and Rhodococcus erythropolis NCIMB 11540 were freshly cultivated and harvested by centrifugation. After a washing step, the cells were resuspended in phosphate buffer. To 500 μL of resting cell suspension in Eppendorff vessels, 25 μL of the substrates were added as 5% solutions in DMSO. The bioconversions proceeded at 130 rpm and 30°C in a rotary shaker and were stopped after 24 h by addition of HCl (2N). Remaining starting material and products were extracted with ethylacetate and the conversion rates were determined by reversed-phase HPLC.
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25
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0035385142
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Fülöp F. Chem. Rev. 101:2001;2181-2204.
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, vol.101
, pp. 2181-2204
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Fülöp, F.1
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26
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85031173930
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13C NMR δ 21.39, 39.27, 41.47, 53.70, 127.08, 127.71, 129.09, 130.26, 130.32, 139.02, 139.90, 143.55, 173.42
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13C NMR δ 21.39, 39.27, 41.47, 53.70, 127.08, 127.71, 129.09, 130.26, 130.32, 139.02, 139.90, 143.55, 173.42.
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-
-
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27
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85031168822
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13C NMR δ 21.79, 23.20, 28.54, 33.66, 50.90, 57.73, 127.52, 129.98, 137.18, 143.90, 179.88
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13C NMR δ 21.79, 23.20, 28.54, 33.66, 50.90, 57.73, 127.52, 129.98, 137.18, 143.90, 179.88.
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-
-
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28
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85031166317
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13C NMR δ 21.52, 24.80, 29.76, 33.19, 50.41, 53.95, 126.97, 129.95, 140.98, 142.63, 175.53
-
13C NMR δ 21.52, 24.80, 29.76, 33.19, 50.41, 53.95, 126.97, 129.95, 140.98, 142.63, 175.53.
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32
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0035801868
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Farràs J., Ginesta X., Sutton P.W., Taltavull J., Egeler F., Romea P., Urpí F., Vilarrasa J. Tetrahedron. 57:2001;7665-7674.
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(2001)
Tetrahedron
, vol.57
, pp. 7665-7674
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Farràs, J.1
Ginesta, X.2
Sutton, P.W.3
Taltavull, J.4
Egeler, F.5
Romea, P.6
Urpí, F.7
Vilarrasa, J.8
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33
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0032527724
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Jeong J.U., Tao B., Sagasser I., Henniges H., Sharpless K.B. J. Am. Chem. Soc. 120:1998;6844-6845.
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J. Am. Chem. Soc.
, vol.120
, pp. 6844-6845
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Jeong, J.U.1
Tao, B.2
Sagasser, I.3
Henniges, H.4
Sharpless, K.B.5
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35
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85031170384
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Whereas for screening experiments the use of a cosolvent was crucial, its influence on the large scale biotransformation turned out to be less important
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Whereas for screening experiments the use of a cosolvent was crucial, its influence on the large scale biotransformation turned out to be less important.
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38
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85031177286
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4 and the solvent was removed under reduced pressure. Unreacted nitrile, product amide and acid were purified by chromatography and recrystallization
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4 and the solvent was removed under reduced pressure. Unreacted nitrile, product amide and acid were purified by chromatography and recrystallization.
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39
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85031168660
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HHPLC analysis of the crude isolates gave for R. sp. R312: 48% 3a, 13%, 3b, 39%, 3c and 47% 4a, 45% 4b, 8% 4c; for R. erythropolis NCIMB 11540: 64% 3a, 5% 3b, 31% 3c and 74% 4a, 21% 4b, 5% 4c
-
HHPLC analysis of the crude isolates gave for R. sp. R312: 48% 3a, 13% 3b, 39% 3c and 47% 4a, 45% 4b, 8% 4c; for R. erythropolis NCIMB 11540: 64% 3a, 5% 3b, 31% 3c and 74% 4a, 21% 4b, 5% 4c.
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-
-
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40
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-
85031163754
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27% e.e. for R. sp. R312 and 39% e.e. for R. erythropolis NCIMB 11540, obtained from HPLC analysis using a Chirobiotic R® column (MeOH/TEA/AcOH 100:0.4:0.1)
-
27% e.e. for R. sp. R312 and 39% e.e. for R. erythropolis NCIMB 11540, obtained from HPLC analysis using a Chirobiotic R® column (MeOH/TEA/AcOH 100:0.4:0.1).
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