12-Methyl-5-dehydrohorminone

12-Methyl-5-dehydrohorminone

Common Name: 12-Methyl-5-dehydrohorminone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C21H28O4/c1-11(2)14-17(23)15-12(22)10-13-20(3,4)8-7-9-21(13,5)16(15)18(24)19(14)25-6/h10-12,22H,7-9H2,1-6H3/t12-,21+/m1/s1

InChIKey: InChIKey=RUONQJYGQKYSSL-GTJPDFRWSA-N

Formula: C21H28O4

Molecular Weight: 344.445415

Exact Mass: 344.198759

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Ulubelen, A., Topcu, G., Johansson, C.B. J Nat Prod (1997) 60, 1275-80

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) 37.4
2 (CH2) 18.2
3 (CH2) 40.8
4 (C) 33.4
5 (C) 127.7
6 (CH) 106.7
7 (CH) 77.8
8 (C) 124.7
9 (C) 142.6
10 (C) 41.2
11 (C) 183.2
12 (C) 154.5
13 (C) 129.4
14 (C) 181.4
15 (CH) 26.4
16 (CH3) 21.4
17 (CH3) 21.6
18 (CH3) 33.4
19 (CH3) 21.6
20 (CH3) 20.1
12a (CH3) 55.9