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| Year of first isolation: | 1970 |  | Formula: | C27H46O6 |  | Molecular weight: | 466 |  | Occurence in plants: |  | Cheilanthes tenuifolia [Pteridaceae] »   ![Wikipedia: Cheilanthes tenuifolia [Pteridaceae]](/images/wikipedia.png) 
 |  | Occurence in animals: |  |  |  |   |  |
 | | Canonical SMILES | CC(C1CCC2(C1(CCC3C2CC(=O)C4C3(CC(C(C4)O)O)C)C)O)C(CCC(C)(C)O)O |  | Isomeric SMILES [ PubChem: search | XML ]
 [ ChemSpider: search ]
 | C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)CC1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@H](C)[C@@H](CCC(C)(C)O)O)O)C)C  »  C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C[C@H]1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@H](C)[C@@H](CCC(C)(C)O)O)O)C)C  »
  C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C[C@@H]1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@H](C)[C@@H](CCC(C)(C)O)O)O)C)C »
  
 |  | IUPAC Name | (2S,3R,5R,8R,9S,10R,13R,14R,17R)-17-[(2S,3R)-3,6-dihydroxy-6-methylheptan-2-yl]-2,3,14-trihydroxy-10,13-dimethyl-2,3,4,5,7,8,9,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-6-one |  | CAS-RN | 26152-93-2 |  | PubChem CID | 101297731 |  | InChiKey [ ChemIDPlus: search ]
 | MSFNGOWODGGQNW-YZENLCTGSA-N |  | InChI | InChI=1S/C27H46O6/c1-15(20(28)8-9-24(2,3)32)16-7-11-27(33)18-12-21(29)19-13-22(30)23(31)14-25(19,4)17(18)6-10-26(16,27)5/h15-20,22-23,28,30-33H,6-14H2,1-5H3/t15-,16+,17-,18+,19-,20+,22+,23-,25+,26+,27+/m0/s1 | 
 
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 | | CI-MS (NH3) m/z |  |  | EI-MS m/z (relative intensity %) | 448 (M-18)+, 430, 412, 394, 379, 332, 302, 99, 81 |  | HR-MS |  | 
 
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 | | C5D5N |  | 01 |  |  | 02 |  |  | 03 |  |  | 04 |  |  | 05 |  |  | 06 |  |  | 07 |  |  | 08 |  |  | 09 |  |  | 10 |  |  | 11 |  |  | 12 |  |  | 13 |  |  | 14 |  |  | 15 |  |  | 16 |  |  | 17 |  |  | 18 |  |  | 19 |  |  | 20 |  |  | 21 |  |  | 22 |  |  | 23 |  |  | 24 |  |  | 25 |  |  | 26 |  |  | 27 |  | 
 | | C5D5N |  | 01-Ha |  |  | 01-Hb |  |  | 02-Ha |  |  | 03-He |  |  | 04-Ha |  |  | 04-He |  |  | 05-H |  |  | 07-Ha |  |  | 07-He |  |  | 08-H |  |  | 09-Ha |  |  | 11-Ha |  |  | 11-He |  |  | 12-Ha |  |  | 12-He |  |  | 15-Ha |  |  | 15-Hb |  |  | 16-Ha |  |  | 16-Hb |  |  | 17-H |  |  | 18-Me | 0.83 (s ) |  | 19-Me | 1.01 (s ) |  | 21-Me | 1.24 (d, 6) |  | 22-H |  |  | 23-Ha |  |  | 23-Hb |  |  | 24-Ha |  |  | 24-Hb |  |  | 26-Me | 1.36 (s ) |  | 27-Me | 1.36 (s ) | 
 | CDCl3 (2,3,22-triOAc) |  | 01-Ha |  |  | 01-Hb |  |  | 02-Ha | 5.35 (w1/2 = 8) |  | 03-He | ~ 5.10 (w1/2 > 16) |  | 04-Ha |  |  | 04-He |  |  | 05-H |  |  | 07-Ha |  |  | 07-He |  |  | 08-H |  |  | 09-Ha |  |  | 11-Ha |  |  | 11-He |  |  | 12-Ha |  |  | 12-He |  |  | 15-Ha |  |  | 15-Hb |  |  | 16-Ha |  |  | 16-Hb |  |  | 17-H |  |  | 18-Me | 0.80 |  | 19-Me | 0.96 |  | 21-Me | ~ 0.94 (w1/2 > 16) |  | 22-H | ~ 4.9 |  | 23-Ha |  |  | 23-Hb |  |  | 24-Ha |  |  | 24-Hb |  |  | 26-Me | 1.24 |  | 27-Me | 1.24 |  | acetates | 2.00, 2.05, 2.09 | 
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 | | M.P. | 235-238 °C |  | [α]D20 |  |  | IR (KBr) ν max (cm-1) | 1684 (carbonyl) |  | UV (EtOH) λ max (log ε) |  | 
 
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 | | HPTLC |  |  | TLC on silica | Rf 0.20 (CHCl3-96% EtOH 4:1) identical to that of ecdysone |  | GLC |  |  | HPLC |  | 
 
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 |  | Permanent link to this datasheet: CHEILANTHONE A |  |