Steviol methyl ester 8,13-lactone

Steviol methyl ester 8,13-lactone

Common Name: Steviol methyl ester 8,13-lactone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H30O4/c1-18-8-4-9-19(2,17(22)23-3)14(18)7-10-20-11-13(5-6-15(18)20)24-16(21)12-20/h13-15H,4-12H2,1-3H3/t13?,14-,15-,18+,19+,20-/m0/s1

InChIKey: InChIKey=ZXHZYOZXOXWKFL-HAXRHEIZSA-N

Formula: C20H30O4

Molecular Weight: 334.45056

Exact Mass: 334.214409

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Terai, T., Ren, H., Mori, G., Yamaguchi, Y., Hayashi, T. Chem Pharm Bull (2002) 50, 1007-10

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Kauranes; 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) 38
2 (CH2) 16.6
3 (CH2) 29.2
4 (C) 43.7
5 (CH) 56.5
6 (CH2) 20.3
7 (CH2) 41
8 (C) 39.5
9 (CH) 53.1
10 (C) 34
11 (CH2) 19.5
12 (CH2) 33
13 (CH) 75.8
14 (CH2) 42.9
15 (CH2) 48.4
16 (C) 171.6
18 (CH3) 28.6
19 (C) 177.7
20 (CH3) 16
19a (CH3) 51.2