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2
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Brodersen D.E., Clemons W.M. Jr., Carter A.P., Morgan-Warren R.J., Wimberly B.T., Ramakrishnan V. Cell. 103:2000;1143.
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Brodersen, D.E.1
Clemons W.M., Jr.2
Carter, A.P.3
Morgan-Warren, R.J.4
Wimberly, B.T.5
Ramakrishnan, V.6
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0034087501
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Healy V.L., Lessard I.A.D., Roper D.I., Knox J.R., Walsh C.T. Chem. Biol. 7:2000;R109.
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Healy, V.L.1
Lessard, I.A.D.2
Roper, D.I.3
Knox, J.R.4
Walsh, C.T.5
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4
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0037019522
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Isolation and structure determination of muraymycin core skeleton:
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Isolation and structure determination of muraymycin core skeleton: McDonald L.A., Barbieri L.R., Carter G.T., Lenoy E., Petersen P.P., Siegel M.M., Sign G., Williamson R.T. J. Am. Chem. Soc. 124:2002;10260.
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J. Am. Chem. Soc.
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McDonald, L.A.1
Barbieri, L.R.2
Carter, G.T.3
Lenoy, E.4
Petersen, P.P.5
Siegel, M.M.6
Sign, G.7
Williamson, R.T.8
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5
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85031081829
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Chcago, IL; Abstr #1162
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Biological activities of Muraymycins and derivatives were reported: (a) Rasmussen, B. A.; McDonald, L. A.; Petersen, P. P.; Rothstein, D.; Singh, G. 41st Interscience Conference on Antimicrobial Agents and Chemotherapy, Chcago, IL; Abstr #1162.
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41st Interscience Conference on Antimicrobial Agents and Chemotherapy
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Rasmussen, B.A.1
McDonald, L.A.2
Petersen, P.P.3
Rothstein, D.4
Singh, G.5
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6
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85031071176
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Chcago, IL; Abstr #1159
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(b) McDonald, L. A.; Barbieri, L. R.; Carter, G. T.; Lenoy, E.; Petersen, P. P.; Siegel, M. M.; Singh, G. 41st Interscience Conference on Antimicrobial Agents and Chemotherapy, Chcago, IL; Abstr #1159.
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41st Interscience Conference on Antimicrobial Agents and Chemotherapy
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McDonald, L.A.1
Barbieri, L.R.2
Carter, G.T.3
Lenoy, E.4
Petersen, P.P.5
Siegel, M.M.6
Singh, G.7
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7
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0037009244
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(c) Lin Y.-I., Li Z., Francisco G.D., McDonald L.A., Davis R.A., Singh G., Yang Y., Mansour T.S. Bioorg. Med. Chem. Lett. 12:2002;2341.
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Bioorg. Med. Chem. Lett.
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Lin, Y.-I.1
Li, Z.2
Francisco, G.D.3
McDonald, L.A.4
Davis, R.A.5
Singh, G.6
Yang, Y.7
Mansour, T.S.8
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8
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85031073142
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Chcago, IL; Abstr #1163
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(d) Singh, G.; Yang, Y.; Rasmussen, B. A.; Petersen, P. P.; McDonald, L. A.; Yamashita, A.; Lin, Y.-I.; Norton, E.; Francisco, G. D.; Li, Z.; Barbieri, L. R., 41st Interscience Conference on Antimicrobial Agents and Chemotherapy, Chcago, IL; Abstr #1163.
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41st Interscience Conference on Antimicrobial Agents and Chemotherapy
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Singh, G.1
Yang, Y.2
Rasmussen, B.A.3
Petersen, P.P.4
McDonald, L.A.5
Yamashita, A.6
Lin, Y.-I.7
Norton, E.8
Francisco, G.D.9
Li, Z.10
Barbieri, L.R.11
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9
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0022355806
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(a) Isono K., Uramoto M., Kusakabe H., Kimura K., Izaki K., Nelson C.C., McCloskey J.A. J. Antibiot. 38:1985;1617.
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(1985)
J. Antibiot.
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, pp. 1617
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Isono, K.1
Uramoto, M.2
Kusakabe, H.3
Kimura, K.4
Izaki, K.5
Nelson, C.C.6
McCloskey, J.A.7
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13
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85031079273
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note
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2/MeOH/ether=50/50/1/1), to give 6 (990 mg, 14%) and 5 (2.14 g, 31%). Further elution gave a mixture of two other diastereomers (710 mg, 10%) and the recovered 4 (1.6 g, 36%). Compounds 5 and 6 were separately hydrogenated using 10% Pd/C in MeOH, to give 7 and 8, respectively. A solution of 7 and para-nitrophenylisocyanate (1.2 mol equiv) in THF was stirred at room temperature under nitrogen for 24 h. The solution was concentrated in vacuo, and the residue was chromatographed (flash column, silica gel, EtOAc/hexenes) to give the corresponding urea. Crystals suitable for X-ray diffraction were obtained from methanol. The para-nitrophenyl urea of 8 was prepared in a similar manner, and crystals for X-ray were obtained from acetonitrile. The crystallographic data for the para-nitrophenyl urea derivatives of 7 and 8 have been deposited with the Cambridge Crystallographic Data Center, 12 Union Road, Cambridge CB2 1EW, UK, as supplementary publication nos CCDC 199820 and 199821, respectively.
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14
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0001756474
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(2S,3S)-3-Hydroxyleucine was prepared by using the literature procedure:
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(2S,3S)-3-Hydroxyleucine was prepared by using the literature procedure: Panek J.S., Masse C.E. J. Org. Chem. 63:1998;2382.
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(1998)
J. Org. Chem.
, vol.63
, pp. 2382
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Panek, J.S.1
Masse, C.E.2
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15
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85031085330
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note
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2), to give 20a as a white solid (84 mg, 58%).
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16
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85031070859
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note
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2 for a-h in compounds 18a-h, 19a-h, 20a-c, 21a, 22a, and 23c-32c is same as those in 11a-h (Scheme 2).
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17
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85031071457
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note
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NCCLS4. Methods for Dilution Antimicrobial Susceptibility Test for Bacteria That Grow Aerobically; Approved Standards: M7-A5, Vol. 20. National Committee for Clinical Laboratory Standards, Wayne, PA, USA, 2000.
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