Cryptostigmin I

Cryptostigmin I

Common Name: Cryptostigmin I

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C44H68O17/c1-20-39(60-34-16-29(53-6)40(21(2)56-34)61-41-38(51)37(50)36(49)31(18-45)59-41)28(47)15-33(55-20)58-25-9-11-42(4)24(14-25)7-8-27-26(42)10-12-43(5)35(23-13-32(48)54-19-23)30(57-22(3)46)17-44(27,43)52/h13,20-21,24-31,33-41,45,47,49-52H,7-12,14-19H2,1-6H3/t20-,21-,24-,25+,26?,27?,28+,29+,30+,31-,33+,34+,35+,36-,37+,38-,39-,40-,41+,42+,43-,44+/m1/s1

InChIKey: InChIKey=SGGQTRPBTCNENJ-XYQZPUSVSA-N

Formula: C44H68O17

Molecular Weight: 869.002235

Exact Mass: 868.445651

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) 30.4
2 (CH2) 26.9
3 (CH) 73.2
4 (CH2) 30.7
5 (CH) 36.9
6 (CH2) 26.9
7 (CH2) 21.1
8 (CH) 41.8
9 (CH) 35.7
10 (C) 35.4
11 (CH2) 21.6
12 (CH2) 39.1
13 (C) 50.4
14 (C) 83.6
15 (CH2) 41.1
16 (CH) 75.6
17 (CH) 75.3
18 (CH3) 16.2
19 (CH3) 23.8
20 (C) 169.8
21 (CH2) 76.2
22 (CH) 121.5
23 (C) 174.2
1' (CH) 96.5
2' (CH2) 38.9
3' (CH) 71.8
4' (CH) 83
5' (CH) 67.5
6' (CH3) 18.6
1'' (CH) 101.3
2'' (CH2) 37.2
3'' (CH) 78.5
4'' (CH) 83.4
5'' (CH) 68.5
6'' (CH3) 18.7
1''' (CH) 104.3
2''' (CH) 74.9
3''' (CH) 78.2
4''' (CH) 71.9
5''' (CH) 78.2
6''' (CH2) 63
16a (C) 170.2
16b (CH3) 20.7
3''a (CH3) 56.7