Spektraris NMR
6-Methylcryptotanshinone
Common Name: 6-Methylcryptotanshinone
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C20H22O3/c1-10-8-13-15(12-6-5-7-20(3,4)16(10)12)18(22)17(21)14-11(2)9-23-19(13)14/h8,11H,5-7,9H2,1-4H3/t11-/m0/s1
InChIKey: InChIKey=MXBUDAJPBGIUNL-NSHDSACASA-N
Formula: C20H22O3
Molecular Weight: 310.387629
Exact Mass: 310.156895
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Al Yousuf M.H., Bashir A.K., Blunden G., Crabb T.A., Patel A.V. Phytochemistry (2002) 61, 361-5
Species:
Notes: Family : Terpenoids, Type : Diterpenoids, Group : Abietanes; 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) | 28.6 |
| 2 (CH2) | 19.1 |
| 3 (CH2) | 37.8 |
| 4 (C) | 34.9 |
| 5 (C) | 144 |
| 6 (C) | 141.2 |
| 7 (CH) | 121.7 |
| 8 (C) | 126.2 |
| 9 (C) | 125.6 |
| 10 (C) | 152.5 |
| 11 (C) | 184.5 |
| 12 (C) | 176.3 |
| 13 (C) | 118.2 |
| 14 (C) | 171.1 |
| 15 (CH) | 34.6 |
| 16 (CH2) | 81.4 |
| 17 (CH3) | 18.8 |
| 18 (CH3) | 31.3 |
| 19 (CH3) | 31.3 |
| 20 (CH3) | 16.6 |
