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

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Intens.<br />

[%]<br />

100<br />

775.3<br />

80<br />

388.1<br />

60<br />

40<br />

20<br />

1163.5<br />

0<br />

400 500 600 700 800 900 1000 1100 1200 m/z<br />

Figure 5. Tandem ESI-MS for self-assembled guest 43 (m/z 1162.6380) in the positive ion mode.<br />

Intens.<br />

[%]<br />

100<br />

911.3253<br />

80<br />

60<br />

40<br />

761.2307<br />

897.3544<br />

20<br />

783.2117<br />

799.2795<br />

836.2786<br />

0<br />

760 780 800 820 840 860 880 900 920 m/z<br />

Figure 6. ESI-TOF mass spectrum for macrocycles 5-7, spectrum recorded after 2 h in the positive ion<br />

mode, products were detected as [M+H] + ions.<br />

6 | S

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