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The Development of Novel Antibiotics Using ... - Jacobs University

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Intens.<br />

[%]<br />

100<br />

–MS 2<br />

586.1<br />

80<br />

60<br />

40<br />

1683.6<br />

20<br />

0<br />

500 1000 1500 2000 2500 m/z<br />

Figure 66. Tandem ESI-MS for higher Mwt complexes (7 and 10)/20 (MS 2 for m/z 1683).<br />

Intens.<br />

[%]<br />

100<br />

+MS<br />

Exact arrangements <strong>of</strong> host and guest<br />

molecules could not be assigned by MS<br />

/MS<br />

1613.6<br />

7 =<br />

9 =<br />

19 =<br />

80<br />

60<br />

40<br />

1553.6<br />

20<br />

1581.7 1601.6 1607.5<br />

0<br />

1550 1560 1570 1580 1590 1600 1610 1620 1630 1640 m/z<br />

Figure 67. ESI-TOF/MS for higher Mwt complexes <strong>of</strong> receptor (7 and 9) with oligopeptide 19.<br />

Intens.<br />

[%]<br />

100<br />

–MS 2<br />

515.0<br />

80<br />

60<br />

1613.4<br />

40<br />

20<br />

0<br />

500 1000 1500 2000 2500 m/z<br />

Figure 68. Tandem ESI-MS for higher Mwt complexes (7 and 9)/19 (MS 2 for m/z 1613).<br />

29 | S

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