Table 1.
NMR data for Mandelalide A (1) in CDCl3
No. | δC (mult) | δH (J in Hz) | COSY | HMBC | TOCSY | ROESY |
---|---|---|---|---|---|---|
1 | 167.4 (s) | |||||
2 | 123.1 (d) | 6.01 (dd, 15.5, 1.2) | 3, 4a | 1, 4 | 3, 4a, 4b, 5, 6ax, 6eq | 3b, 4a, 4b, 5 |
3 | 147.1 (d) | 6.97 (ddd, 15.2, 10.4, 4.6) | 2, 4a, 4b | 1, 2, 4, 5 | 2, 4a, 4b, 5, 6ax, 6eq | 3b, 4ab, 4bb, 5 |
4a | 38.8 (t) | 2.36 (m) | 2, 3 | 2, 3, 5, 6 | 2, 3, 5, 6ax, 6eq, 7 | 2, 3b, 5b, 6axb, 6eq |
4b | 2.39 (ddd, 14.1, 10.6, 10.6) | 3, 5 | 2, 3, 5, 6 | 2, 3, 5, 6ax, 6eq, 7 | 2, 3b, 5b, 6axb, 6eq | |
5 | 73.9 (d) | 3.36 (dddd, 11.4, 11.4, 2.3, 2.3) | 4a, 4b, 6ax, 6eq | 3, 4 | 2, 3, 4a, 4b, 6ax, 6eq, 7, 8ax, 8eq | 2, 3, 4a, 4b, 6eq, 7 |
6ax | 37.6 (t) | 1.20 (m) | 5, 6eq, 7 | 4, 5, 8 | 3, 4a, 4b, 5, 6eq, 7 | 4bb, 7 |
6eq | 2.02 (dddd, 12.6, 4.4, 2.3, 1.6)a | 5, 6ax, 7, 8eq | 7, 8 | 4a, 4b, 5, 6ax, 7, 8ax, | 6axb, 4a, 4b, 5, 7, 1′ | |
7 | 73.1 (d) | 3.82 (dddd, 11.1, 10.5, 4.4, 4.4)a | 6ax, 6eq, 8ax, 8eq | 8, 9, 1′ | 4a, 4b, 5, 6ax, 6eq, 8ax, 8eq, 9 | 5, 6axb, 6eq, 8axb, 8eq, 9, 1′ |
8ax | 39.7 (t) | 1.22 (m) | 7, 8eq, 9 | 6, 7, 9, 10 | 6eq, 7, 8eq, 9, 10b | 6eqb, 7, 8eqb |
8eq | 1.87 (m) | 6eq, 7, 8ax, 9 | 6, 7 | 6eq, 7, 8ax, 9, 10a, 10b | 7, 8axb, 9, 10b, 5′ | |
9 | 72.5 (d) | 3.32 (dddd, 11.2, 11.2. 2.2, 2.2)a | 8ax, 8eq, 10a, 10b | 5, 7 | 6eq, 7, 8ax, 8eq, 10a, 10b, 11, 12, 13, 25 | 7, 8eq, 10a, 10bb, 25 |
10a | 43.1 (t) | 1.21 (ddd, 15.2, 9.6, 2.2)a | 9, 10b, 11 | 11, 12, 25 | 8eq, 9, 10b, 12, 13, 14, 25 | 8eq, 9, 10bb, 11b, 12, 25 |
10b | 1.51 (ddd, 15.2, 11.2, 3.7)a | 9, 10a, 11 | 8, 9, 11, 12, 25 | 8ax, 8eq, 9, 10a, 11, 12, 13, 25 | 8eq, 9b, 10ab, 11, 25 | |
11 | 34.2 (d) | 2.37 (dqd, 9.6, 6.5, 3.7)a | 10a, 10b, 12, 25 | 10, 12, 25 | 8ax, 8eq, 9, 10a, 10b, 11, 12, 13, 14, 15 | 10ab, 10b, 12b, 13, 25b |
12 | 141.5 (d) | 5.45 (dd, 14.8, 9.7) | 11, 13 | 10, 11, 14, 25 | 9, 10a, 10b, 11, 13, 14, 15, 16a, 16b, 25 | 11b, 10a, 13b, 14b, 25 |
13 | 123.9 (d) | 6.28 (dd, 14.8, 11.0) | 12, 14 | 10, 11, 14, 15 | 10a, 10b, 11,12, 14, 15, 16a, 16b, 17, 25 | 11, 12b, 14b, 15b, 16b, 21 |
14 | 131.3 (d) | 6.05 (dd, 10.9, 10.9) | 13, 15 | 12, 13,16, 17 | 10a, 11, 12, 13, 15, 16a, 16b, 17, 25 | 12b, 13b, 15b, 16a |
15 | 126.9 (d) | 5.28 (ddd, 10.8, 10.8, 5.6) | 14, 16a, 16b | 13, 16, 17 | 12, 13, 14, 16a, 16b, 17, 18, 26 | 13b, 14b, 16a, 16bb, 17b |
16a | 31.1 (t) | 1.88 (m) | 14, 15, 16b, 17 | 14, 15, 17 | 12, 13, 14, 15, 16b, 17, 18, 19a, 26 | 14, 15, 16b, 17b, 26 |
16b | 2.28 (ddd, 13.1, 11.4, 11.4) | 15, 16a, 17 | 14, 15, 17, 18 | 12, 13, 14, 15, 16a, 17, 18, 19a, 19b, 26 | 13,15b,16a,17b,19a,21,26 | |
17 | 81.0 (d) | 3.98 (ddd, 11.1, 8.1, 1.8) | 16a, 16b, 18 | 15, 19, 20 | 14, 15,16a, 16b, 18, 19a, 19b, 20, 21, 26 | 15, 16ab, 16bb,18, 26 |
18 | 37.3 (d) | 2.52 (dddq, 12.0, 7.0, 7.0, 7.0)a | 17, 19a, 19b, 26 | 16, 17, 19, 26 | 15, 16a, 16b,17, 19a, 19b, 20,21, 22a, 26 | 17, 19ab, 19b, 20, 26b |
19a | 36.8 (t) | 1.17 (ddd, 11.9, 11.9, 10.3) | 18, 19b, 20 | 18, 20, 21, 26 | 17, 18, 19a, 20, 21, 22a, 22b, 26 | 16b, 18b, 21, 22b, 26 |
19b | 2.01 (ddd, 12.2, 7.0, 5.6)a | 18, 19a, 20 | 17, 18 | 16b, 17, 18, 19a, 20, 21, 22a, 26 | 18, 19a, 20, 22a, 22b, 26 | |
20 | 83.2 (d) | 3.63 (m) | 19a, 19b, 21 | 21, 22 | 17, 18, 19a, 19b, 21, 22a, 22b, 26 | 18, 19b, 21b, 22a, 22b |
21 | 73.0 (d) | 3.42 (ddd, 11.1, 8.8, 1.8) | 20, 22a, 22b | 20, 22, 23 | 17, 18, 19a, 19b, 20, 22a, 22b, 23, 24a, 24b, 26 | 13, 16b, 19a, 22ab, 22b, 23 |
22a | 34.1 (t) | 1.46 (ddd, 14.1, 11.1, 1.9) | 21, 22b, 23 | 20, 21 | 18, 19a, 19b, 20, 21, 22b, 23, 24a, 24b, 26 | 19b, 21b, 22bb, 23, 24a, 24b |
22b | 1.76 (ddd, 13.9, 11.7, 1.8) | 21, 22a, 23 | 23, 24 | 19a, 20, 21, 22a, 23,24a, 24b | 19a, 19b, 21, 22ab,23b, 24a, 24b | |
23 | 72.3 (d) | 5.23 (dddd, 11.7, 4.9, 2.9, 1.9) | 22a, 22b, 24a, 24b | 1 | 21, 22a, 22b, 24a, 24b | 21, 22a, 22bb, 24a, 24b |
24a | 66.1 (t) | 3.61 (m) | 23, 24b | 22, 23 | 23, 24b | 22a, 22b, 23, 24b |
24b | 3.81 (dd, 12.2, 2.9)a | 23, 24a | 22, 23 | 22b, 23, 24a | 22a, 22b, 23, 24a | |
25 | 18.3 (q) | 0.85 (d, 6.6) | 11 | 10, 11, 12 | 9, 10a, 10b, 11, 12, 13, 14 | 9, 10a, 10b, 11b, 12 |
26 | 14.5 (q) | 1.03 (d, 6.9) | 18 | 17, 18, 19 | 15, 16a, 16b, 17, 18, 19a, 19b, 20 21 | 16a, 16b, 18b, 19a, 19b |
1′ | 94.2 (d) | 5.02 (d, 1.1) | 2′ | 7, 2′, 3′, 5′ | 2′, 6′ | 6eq, 7, 8eq, 2′, 7′ |
2′ | 80.8 (d) | 3.40 (dd, 3.8, 1.4) | 1′, 3′ | 3′, 4′, 7′ | 1′, 3′, 4′, 5′, 6′, 8′, 9′ | 1′ |
3′ | 71.7 (d) | 3.68 (m) | 2′, 4′, 8′ | 2′, 4′, 5′, 6′, 8′, 9′ | 2′, 4′b | |
4′ | 74.3 (d) | 3.34 (dd, 9.4, 9.4) | 3′, 5′ | 3′, 5′, 6′ | 3′, 5′, 6′, 8′, 9′ | 3′b, 5′b, 6′ |
5′ | 68.1 (d) | 3.62 (m) | 4′, 6′ | 3′, 4′, 6′ | 4′, 6′, 8′, 9′ | 8eq, 4′b, 6′ |
6′ | 17.7 (q) | 1.27 (d, 6.3) | 4′, 5′ | 1′, 3′, 4′, 5′, 8′ | 4′, 5′b | |
7′ | 59.1 (q) | 3.45 (s) | 2′ | 1′ | ||
OH-3′ | 2.24 (s) | 2, 4a, 4b | 2′, 3′, 4′, 5′, OH-4′ | |||
OH-4′ | 1.54 (s) | 2, 3 | 3′, 4′, 5′, OH-3′ |
HMBC correlations are presented from proton to indicated carbon;
3JHH values obtained from DQFCOSY and/or NMRSim;
COSY artifacts observed in ROESY spectrum.