Hypopurin C

Hypopurin C

Common Name: Hypopurin C

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H22O5/c1-18-6-3-7-20-14(18)4-8-19(2,25-17(20)24-16(18)22)15(20)10-13(21)12-5-9-23-11-12/h4-5,8-9,11,14-15,17H,3,6-7,10H2,1-2H3/t14-,15-,17?,18+,19+,20+/m0/s1

InChIKey: InChIKey=RRIAXHHOQKFFCN-SHUSYBTNSA-N

Formula: C20H22O5

Molecular Weight: 342.386439

Exact Mass: 342.146724

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Shen, C.C., Ni, C.L., Huang, Y.L., Huang, R.L., Chen, C.C. J Nat Prod (2004) 67, 1947-9

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Labdanes; 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) 30.3
2 (CH2) 21.3
3 (CH2) 38.3
4 (C) 43.5
5 (CH) 50.7
6 (CH) 126.8
7 (CH) 138.2
8 (C) 81.7
9 (CH) 48.8
10 (C) 46.8
11 (CH2) 35.7
12 (C) 192.8
13 (C) 127.5
14 (CH) 108.6
15 (CH) 144.5
16 (CH) 147.1
17 (CH3) 21.4
18 (C) 173.4
19 (CH3) 23.4
20 (CH) 108.3