The Development of Novel Antibiotics Using ... - Jacobs University
The Development of Novel Antibiotics Using ... - Jacobs University
The Development of Novel Antibiotics Using ... - Jacobs University
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Scheme 4. Proposed fragmentation mechanism for macrocycle (9).…………………………………...…..18<br />
Figure 31. Tandem ESI-MS 2 spectrum for macrocycle (9)……...………………………………..………...19<br />
Scheme 5. Proposed fragmentation mechanism for macrocycle (9)……………..………………….……..19<br />
Figure 32. 1 H-NMR spectrum for macrocycle (13)………………………………………………………...20<br />
Figure 33. ESI-MS spectrum for macrocycle (13)……………………...………………………………….20<br />
Figure 34. Tandem ESI-MS 2 spectrum for macrocycle (13)………...…………………..………………….20<br />
Scheme 6. Proposed fragmentation mechanism macrocycle (13)………………………………….……....21<br />
Figure 35. 1 H-NMR spectrum for macrocycle (14)………………………………………………………...21<br />
Figure 36. ESI-MS spectrum for macrocycle (14)……………………...………………………………….22<br />
Figure 37. Tandem ESI-MS 2 spectrum for macrocycle (14)………...…………………..………………….22<br />
Scheme 7. Proposed fragmentation mechanism for macrocycle (14)…………………………..…………..22<br />
Figure 38. 1 H-NMR spectrum for macrocycle (17)………………………………………………………...23<br />
Figure 39. 1 H-NMR spectrum for macrocycle (17)………………………………...……………………....23<br />
Figure 40. 1 H-NMR spectrum for macrocycle (17)……..………………...………………………………..24<br />
Figure 41. APCI-MS 2 spectrum for macrocycle (17)……………………………………………………....24<br />
Figure 42. APCI-MS 2 spectrum for macrocycle (17)………………………….…………………………...24<br />
Figure 43. Tandem APCI-MS 2 spectrum for macrocycle (17)…………………………..………………...25<br />
Scheme 8. Proposed fragmentation mechanism for macrocycle (17)………………………..……………..25<br />
Figure 44. Tandem APCI-MS 2 spectrum for macrocycle (17)…………………………...………………..25<br />
Scheme 9. Proposed fragmentation mechanism for macrocycle (17)……………………………..………..26<br />
Figure 45. 1 H-NMR spectrum for macrocycle (10)………………………………………………………...26<br />
Figure 46. ESI-MS spectrum for macrocycle (10)……….……………………………….………………..27<br />
Figure 47. Tandem ESI-MS 2 spectrum for macrocycle (10)………….…………….………………..…….27<br />
Figure 48. 1 H-NMR spectrum for macrocycle (11)………………………………………………………...27<br />
Figure 49. APCI-MS spectrum for macrocycle (11)……………………………………….….…………...28<br />
Figure 50. Tandem ESI-MS 2 spectrum for macrocycle (11)……………………………….………..…….28<br />
Scheme 10. Proposed fragmentation mechanism for macrocycle (11)…………………………..………....29<br />
Figure 51. APCI-MS 2 spectrum for macrocycle (12)……………………………………………………....29<br />
Figure 52. Tandem APCI-MS 2 spectrum for macrocycle (12)……………………………….…………....30<br />
Figure 53. 1 H-NMR spectrum for macrocycle (12)………………………………………………………...30<br />
Figure 54. APCI-MS 2 spectrum for macrocycle (12)………………………………..……………………..30<br />
Scheme 11. Proposed fragmentation mechanism for macrocycle (12)……………….……..……………...31<br />
Figure 55. Tandem APCI-MS 2 spectrum for macrocycle (12)……………………………….…………….32<br />
Scheme 12. Proposed fragmentation mechanism for macrocycle (12)……………….……..……………...32<br />
Figure 56. 1 H-NMR spectrum for macrocycle (15)………………………………………………………...33<br />
Figure 57. ESI-MS spectrum for macrocycle (15)….…………………………………….………………..33<br />
Figure 58. Tandem ESI-MS 2 spectrum for macrocycle (15)……………………………………….………33<br />
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