516
Table 4. (Continued)
Mono-THF Acetogenins (Continued) ns mixture) (C37H68O7, MW624)
annomontacinone47 (reported as a cis and trans mixture) (C37H68O7, MW624)
| Position | 8 | 10 | 12 | 15 | 16 | 19 | 20 |
|---|---|---|---|---|---|---|---|
| 1H ( \delta ) | 3.86 m | 4.06 m | 4.15 m | 3.90 m | 3.49 m | 3.59 m | 3.59 m |
| 13C ( \delta ) | 71.6 | 72.2 | 79.1 | 82.3 | 73.8 | 74.8 | 74.6 |
White solid. [α]D: +1.6° (c 0.06, CHCl_{3}). UV (λmax, MeOH, nm): 220 (log ε 3.65). IR (νmax, film, cm^{-1}): 3347, 2916, 2849, 1743, 1470. MS: EIMS m/z 429, 411, 393, 375, 357, 341, 339, 323, 305, 287, 269, 257, 251, 239, 221, 213, 203, 199, 195, 181, 177, 141, 123. NMR: ^1H NMR (500 MHz, CDCl_{3}), ^13C NMR (125 MHz, CDCl_{3}). Biological activities (μg/mL): BST LC50 19, A-549 ED50 23 × 10-1, MCF-7 ED50 1.3, HT-29 ED50 5.7 × 10-1, A-498 ED50 7.1 × 10-1, PC-3 ED50 2.5 × 10-2, PAC-2 ED50 2.3 Source: Annona muricata, leaves.
White solid. [α]D: +37.5° (c QO4, CHCl_{3}). UV (λmax, MeOH, nm): 220 (log ε 3.69). IR (νmax, film, cm^{-1}): 3367, 2915, 2849, 1743, 1474. MS: EIMS m/z 429, 411, 393, 375, 357, 341, 339, 323, 305, 299, 287, 281, 269, 263, 251, 245, 211, 199, 193, 181, 163, 141, 123. NMR: 1H NMR (500MHz, CDCl_{3}), 13C NMR (125 MHz, CDCl_{3}). Biological activities (μg/mL): BST LC_{50} 10, A-549 ED_{50} 1.1, MCF-7 ED_{50} 3.8, HT-29 ED_{50} 1.3, A-498 ED_{50} 2.5, PC-3 ED_{50} 8.6 \times 10^{-1}, PAC-2 ED_{50} 4.9 \times 10^{-1}. Source: Annona muricata, leaves.
| Position | 12 | 17 | 18 | 21 | 22 |
|---|---|---|---|---|---|
| 1H (δ) | 3.60 m | 3.41 m | 3.80 m | 3.80 m | 3.41 m |
| 13C (δ) | 71.82 | 74.07 | 82.65 | 82.59 | 73.98 |
Whitish waxy solid. [α]D: +6.0° (CHCl₃). UV (λmax, MeOH, nm): 218 (log ε 3.83). IR (νmax, film, cm-1): 3461, 2919, 2851, 1734, 1717, 1464, 1318, 1203, 1075. MS: EIMS m/z 425, 407, 355, 337, 319, 301, 269, 251, 241, 233, 223, 171, 141. NMR: 1H NMR (500 MHz, CDCl₃), {¹³C NMR (125 MHz, CDCl₃). Derivatives: per-MTPA esters (¹H NMR). Biological activities μg/mL): BST LC₅₀ 1.1 × 10⁻¹, A-549 ED₅₀ 1.5, MCF-7 ED₅₀ 4.4 × 10⁻³, HT-29 ED₅₀ 2.3, A-498 ED₅₀ 1.3, PC-3 ED₅₀ 9.8 × 10⁻³, PAC-2 ED₅₀ 8.6 × 10⁻³. Source: Annona glabra, leaves.