1b-Hydroxycryptotanshinone

1b-Hydroxycryptotanshinone

Common Name: 1b-Hydroxycryptotanshinone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C19H20O4/c1-9-8-23-18-10-4-5-11-15(12(20)6-7-19(11,2)3)14(10)17(22)16(21)13(9)18/h4-5,9,12,20H,6-8H2,1-3H3/t9-,12+/m0/s1

InChIKey: InChIKey=GEWNOYPIMWDSBC-JOYOIKCWSA-N

Formula: C19H20O4

Molecular Weight: 312.360417

Exact Mass: 312.136159

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Sairafianpour, M., Christensen, J., Staerk, D., Budnik, B.A., Kharazmi, A., Bagherzadeh, K., Jaroszewski, J.W. J Nat Prod (2001) 64, 1398-403

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 (CH) 63.38
2 (CH2) 26.91
3 (CH2) 31.92
4 (C) 35.13
5 (C) 152.11
6 (CH) 134.09
7 (CH) 124.54
8 (C) 126.93
9 (C) 129.83
10 (C) 143.13
11 (C) 186.31
12 (C) 175.37
13 (C) 118.49
14 (C) 170.71
15 (CH) 34.59
16 (CH2) 81.81
17 (CH3) 19.13
18 (CH3) 31.19
19 (CH3) 31.57