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

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Intens.<br />

5<br />

x10<br />

897.4<br />

4<br />

2<br />

335.3 707.3<br />

0<br />

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

Figure 25. APCI-MS spectrum for macrocycle (14), from DMSO.<br />

Intens.<br />

5<br />

x10<br />

1.5<br />

869.4<br />

1.0<br />

898.4<br />

0.5<br />

335.2<br />

415.3 449.2 529.3<br />

671.3<br />

751.3<br />

799.3<br />

300 400 500 600 700 800 900 m/z<br />

Figure 26. Tandem APCI-MS 2 spectrum for macrocycle (14), from DMSO.<br />

Figure 27. 1 H-NMR spectrum for macrocycle (15), DMSO-d 6 , 400 MHz.<br />

S11

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