Cryptostigmin II

Cryptostigmin II

Common Name: Cryptostigmin II

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C37H56O15/c1-16-32(52-34-30(44)28(42)27(41)24(14-38)51-34)29(43)31(45)33(48-16)50-20-7-9-35(3)19(12-20)5-6-22-21(35)8-10-36(4)26(18-11-25(40)47-15-18)23(49-17(2)39)13-37(22,36)46/h11,16,19-24,26-34,38,41-46H,5-10,12-15H2,1-4H3/t16-,19+,20-,21?,22?,23-,24+,26-,27+,28-,29-,30+,31+,32-,33+,34-,35-,36+,37-/m0/s1

InChIKey: InChIKey=HAPQAPVIZTWVQY-MQTYMMEZSA-N

Formula: C37H56O15

Molecular Weight: 740.832984

Exact Mass: 740.361921

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Kamel, M.S., Assaf, M.H., Abe, Y., Ohtani, K., Kasai, R., Yamasaki, K. Phytochemistry (2001) 58, 537-42

Species:

Notes: Family : Steroids, Type : nor-Cholanes, Group : Cardenolides; 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) 30.1
2 (CH2) 26.9
3 (CH) 72.6
4 (CH2) 30.9
5 (CH) 36.9
6 (CH2) 26.7
7 (CH2) 21.1
8 (CH) 41.8
9 (CH) 35.6
10 (C) 35.3
11 (CH2) 21.6
12 (CH2) 38.9
13 (C) 50.4
14 (C) 83.3
15 (CH2) 41.1
16 (CH) 76.3
17 (CH) 56.7
18 (CH3) 16.2
19 (CH3) 23.9
20 (C) 169.9
21 (CH2) 76.2
22 (CH) 121.5
23 (C) 174.2
1' (CH) 99.6
2' (CH) 71.4
3' (CH) 72.2
4' (CH) 85.1
5' (CH) 68.3
6' (CH3) 18.4
1'' (CH) 106.6
2'' (CH) 74.9
3'' (CH) 78.3
4'' (CH) 72.4
5'' (CH) 78.4
6'' (CH2) 62.5
16a (C) 170.3
16b (CH3) 20.6