1a,2b,9a-Trihydroxy-10b-acetoxy-5a-cinnamoyloxy-3,11-cycloaxa-4(20)-en-13-one

1a,2b,9a-Trihydroxy-10b-acetoxy-5a-cinnamoyloxy-3,11-cycloaxa-4(20)-en-13-one

Common Name: 1a,2b,9a-Trihydroxy-10b-acetoxy-5a-cinnamoyloxy-3,11-cycloaxa-4(20)-en-13-one

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C31H38O8/c1-17-21(33)16-29(37)26(36)31-18(2)22(39-23(34)13-12-20-10-8-7-9-11-20)14-15-28(31,6)24(35)25(38-19(3)32)30(17,31)27(29,4)5/h7-13,17,22,24-26,35-37H,2,14-16H2,1,3-6H3/b13-12+/t17-,22+,24+,25+,26-,28+,29-,30?,31?/m1/s1

InChIKey: InChIKey=XUOMQASZGNRVGJ-BGEFCBMJSA-N

Formula: C31H38O8

Molecular Weight: 538.629801

Exact Mass: 538.256668

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Petzke, T.L., Shi, Q.W., Sauriol, F., Mamer, O., Zamir, L.O. J Nat Prod (2004) 67, 1864-9

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Taxanes; 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 (C) 78.3
2 (CH) 78.6
3 (C) 62.3
4 (C) 142.5
5 (CH) 75.8
6 (CH2) 26
7 (CH2) 29.2
8 (C) 45.8
9 (CH) 82.5
10 (CH) 84
11 (C) 56.8
12 (CH) 50.9
13 (C) 213.9
14 (CH2) 46.4
15 (C) 45
16 (CH3) 23
17 (CH3) 23.3
18 (CH3) 15.8
19 (CH3) 25.2
20 (CH2) 126.1
5a (C) 166.2
5b (CH) 117.4
5c (CH) 145.3
5d (C) 134.4
5e (CH) 128.2
5f (CH) 129
5g (CH) 130.4
5h (CH) 129
5i (CH) 128.2
10a (C) 172.4
10b (CH3) 21.2