Spektraris NMR
Membranolide B
Common Name: Membranolide B
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C21H28O4/c1-13-16-15(21(4)10-6-9-20(2,3)12-21)8-7-14(11-22)17(16)19(24-5)25-18(13)23/h7-8,11,13,19H,6,9-10,12H2,1-5H3/t13-,19-,21+/m1/s1
InChIKey: InChIKey=JPOSXCXBSAWZPA-DYHNYNMBSA-N
Formula: C21H28O4
Molecular Weight: 344.445415
Exact Mass: 344.198759
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Ankisetty, S., Amsler, C.D., McClintock, J.B., Baker, B.J. J Nat Prod (2004) 67, 1172-4
Species:
Notes: Family : Terpenoids, Type : Diterpenoids, Group : Membranolides; 13 C Spectrum from Naproc 13: José Luis López-Pérez, Roberto Therón, Esther del Olmo, David Díaz: NAPROC-13: a database for the dereplication of natural product mixtures in bioassay-guided protocols. Bioinformatics 23(23):3256-3257 (2007)
Carbon NMR Peaks
| Position | PPM |
|---|---|
| 1 (CH2) | 39.8 |
| 2 (CH2) | 19.9 |
| 3 (CH2) | 39.8 |
| 4 (C) | 31.7 |
| 5 (CH2) | 50.4 |
| 6 (C) | 174.7 |
| 7 (CH) | 39.5 |
| 8 (C) | 138.1 |
| 9 (C) | 154 |
| 10 (C) | 40.4 |
| 11 (CH) | 128.6 |
| 12 (CH) | 134 |
| 13 (C) | 130.6 |
| 14 (C) | 132.8 |
| 15 (CH) | 100 |
| 16 (CH) | 191.8 |
| 17 (CH3) | 23.8 |
| 18 (CH3) | 32.2 |
| 19 (CH3) | 28 |
| 20 (CH3) | 32.4 |
| 15a (CH3) | 57.5 |
