| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-06 15:16:52 UTC |
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| Update Date | 2022-03-07 02:52:02 UTC |
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| HMDB ID | HMDB0015593 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Ixabepilone |
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| Description | Ixabepilone is an epothilone B analog developed by Bristol-Myers Squibb as a cancer drug. On October 16, 2007, the U.S. Food and Drug Administration approved ixabepilone for the treatment of aggressive metastatic or locally advanced breast cancer no longer responding to currently available chemotherapies. Ixabepilone is administered through injection, and will be marketed under the trade name Ixempra. [Wikipedia ] Ixabepilone is a semisynthetic analogue of epothilone B. It has a lactone lactam modification that |
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| Structure | C[C@H]1CCC[C@@]2(C)O[C@@]2([H])C[C@H](NC(=O)C[C@@H](O)C(C)(C)C(=O)[C@@H](C)[C@H]1O)C(\C)=C\C1=CSC(C)=N1 InChI=1S/C27H42N2O5S/c1-15-9-8-10-27(7)22(34-27)12-20(16(2)11-19-14-35-18(4)28-19)29-23(31)13-21(30)26(5,6)25(33)17(3)24(15)32/h11,14-15,17,20-22,24,30,32H,8-10,12-13H2,1-7H3,(H,29,31)/b16-11+/t15-,17-,20-,21+,22-,24-,27+/m0/s1 |
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| Synonyms | | Value | Source |
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| Aza-epothilone b | HMDB | | Azaepothilone b | HMDB | | BMS-247550 | HMDB | | Ixabepilone | MeSH |
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| Chemical Formula | C27H42N2O5S |
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| Average Molecular Weight | 506.698 |
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| Monoisotopic Molecular Weight | 506.281443154 |
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| IUPAC Name | (1S,3S,7R,10S,11S,12S,16R)-7,11-dihydroxy-8,8,10,12,16-pentamethyl-3-[(1E)-1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-17-oxa-4-azabicyclo[14.1.0]heptadecane-5,9-dione |
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| Traditional Name | ixempra |
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| CAS Registry Number | 219989-84-1 |
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| SMILES | C[C@H]1CCC[C@@]2(C)O[C@@]2([H])C[C@H](NC(=O)C[C@@H](O)C(C)(C)C(=O)[C@@H](C)[C@H]1O)C(\C)=C\C1=CSC(C)=N1 |
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| InChI Identifier | InChI=1S/C27H42N2O5S/c1-15-9-8-10-27(7)22(34-27)12-20(16(2)11-19-14-35-18(4)28-19)29-23(31)13-21(30)26(5,6)25(33)17(3)24(15)32/h11,14-15,17,20-22,24,30,32H,8-10,12-13H2,1-7H3,(H,29,31)/b16-11+/t15-,17-,20-,21+,22-,24-,27+/m0/s1 |
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| InChI Key | FABUFPQFXZVHFB-CFWQTKTJSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as epothilones and analogues. These are macrolides consisting of a 16-member lactone ring conjugated at the carbon 16 with a 1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl group. Some epothilone analogues containing a lactam ring instead of the lactone ring. |
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| Kingdom | Organic compounds |
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| Super Class | Phenylpropanoids and polyketides |
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| Class | Macrolides and analogues |
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| Sub Class | Epothilones and analogues |
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| Direct Parent | Epothilones and analogues |
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| Alternative Parents | |
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| Substituents | - Epothilone
- Macrolactam
- 2,4-disubstituted 1,3-thiazole
- Azole
- Heteroaromatic compound
- Thiazole
- Carboxamide group
- Ketone
- Lactam
- Secondary alcohol
- Cyclic ketone
- Secondary carboxylic acid amide
- Carboxylic acid derivative
- Dialkyl ether
- Oxirane
- Ether
- Oxacycle
- Azacycle
- Organoheterocyclic compound
- Organic oxide
- Alcohol
- Organic oxygen compound
- Hydrocarbon derivative
- Carbonyl group
- Organopnictogen compound
- Organonitrogen compound
- Organooxygen compound
- Organic nitrogen compound
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | Not Available |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | Not Available |
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| Process | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 0.0035 g/L | Not Available | | LogP | Not Available | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 6.04 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 13.4426 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.55 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 49.3 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3039.4 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 156.3 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 206.5 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 139.5 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 111.6 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 651.1 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 616.5 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 80.9 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 1140.1 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 518.8 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1554.8 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 384.1 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 404.9 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 133.5 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 183.0 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 8.3 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| Ixabepilone,1TMS,isomer #1 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N1 | 3705.0 | Semi standard non polar | 33892256 | | Ixabepilone,1TMS,isomer #2 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O)CC(=O)N1 | 3707.8 | Semi standard non polar | 33892256 | | Ixabepilone,1TMS,isomer #3 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 3629.7 | Semi standard non polar | 33892256 | | Ixabepilone,1TMS,isomer #4 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O)[C@H](C)C(=O)C(C)(C)[C@H](O)CC(=O)N1[Si](C)(C)C | 3657.7 | Semi standard non polar | 33892256 | | Ixabepilone,2TMS,isomer #1 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N1 | 3663.1 | Semi standard non polar | 33892256 | | Ixabepilone,2TMS,isomer #2 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 3590.7 | Semi standard non polar | 33892256 | | Ixabepilone,2TMS,isomer #3 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N1[Si](C)(C)C | 3644.7 | Semi standard non polar | 33892256 | | Ixabepilone,2TMS,isomer #4 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C | 3617.4 | Semi standard non polar | 33892256 | | Ixabepilone,2TMS,isomer #5 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O)CC(=O)N1[Si](C)(C)C | 3635.6 | Semi standard non polar | 33892256 | | Ixabepilone,2TMS,isomer #6 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O)CC(=O)N([Si](C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 3553.8 | Semi standard non polar | 33892256 | | Ixabepilone,3TMS,isomer #1 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C | 3600.6 | Semi standard non polar | 33892256 | | Ixabepilone,3TMS,isomer #1 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C | 3706.8 | Standard non polar | 33892256 | | Ixabepilone,3TMS,isomer #1 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C | 4449.6 | Standard polar | 33892256 | | Ixabepilone,3TMS,isomer #2 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N1[Si](C)(C)C | 3658.7 | Semi standard non polar | 33892256 | | Ixabepilone,3TMS,isomer #2 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N1[Si](C)(C)C | 3771.6 | Standard non polar | 33892256 | | Ixabepilone,3TMS,isomer #2 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N1[Si](C)(C)C | 4258.4 | Standard polar | 33892256 | | Ixabepilone,3TMS,isomer #3 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N([Si](C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 3563.9 | Semi standard non polar | 33892256 | | Ixabepilone,3TMS,isomer #3 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N([Si](C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 3725.2 | Standard non polar | 33892256 | | Ixabepilone,3TMS,isomer #3 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N([Si](C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 4497.7 | Standard polar | 33892256 | | Ixabepilone,3TMS,isomer #4 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O)CC(=O)N([Si](C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C | 3592.2 | Semi standard non polar | 33892256 | | Ixabepilone,3TMS,isomer #4 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O)CC(=O)N([Si](C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C | 3749.0 | Standard non polar | 33892256 | | Ixabepilone,3TMS,isomer #4 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O)CC(=O)N([Si](C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C | 4466.0 | Standard polar | 33892256 | | Ixabepilone,4TMS,isomer #1 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N([Si](C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C | 3626.1 | Semi standard non polar | 33892256 | | Ixabepilone,4TMS,isomer #1 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N([Si](C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C | 3733.1 | Standard non polar | 33892256 | | Ixabepilone,4TMS,isomer #1 | CC1=C(O[Si](C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C)CC(=O)N([Si](C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C | 4204.7 | Standard polar | 33892256 | | Ixabepilone,1TBDMS,isomer #1 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N1 | 3899.6 | Semi standard non polar | 33892256 | | Ixabepilone,1TBDMS,isomer #2 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O)CC(=O)N1 | 3911.9 | Semi standard non polar | 33892256 | | Ixabepilone,1TBDMS,isomer #3 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 3835.7 | Semi standard non polar | 33892256 | | Ixabepilone,1TBDMS,isomer #4 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O)[C@H](C)C(=O)C(C)(C)[C@H](O)CC(=O)N1[Si](C)(C)C(C)(C)C | 3889.5 | Semi standard non polar | 33892256 | | Ixabepilone,2TBDMS,isomer #1 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N1 | 4043.2 | Semi standard non polar | 33892256 | | Ixabepilone,2TBDMS,isomer #2 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 3952.3 | Semi standard non polar | 33892256 | | Ixabepilone,2TBDMS,isomer #3 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N1[Si](C)(C)C(C)(C)C | 4025.1 | Semi standard non polar | 33892256 | | Ixabepilone,2TBDMS,isomer #4 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C(C)(C)C | 3973.8 | Semi standard non polar | 33892256 | | Ixabepilone,2TBDMS,isomer #5 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O)CC(=O)N1[Si](C)(C)C(C)(C)C | 4024.0 | Semi standard non polar | 33892256 | | Ixabepilone,2TBDMS,isomer #6 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O)CC(=O)N([Si](C)(C)C(C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 3973.9 | Semi standard non polar | 33892256 | | Ixabepilone,3TBDMS,isomer #1 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C(C)(C)C | 4101.2 | Semi standard non polar | 33892256 | | Ixabepilone,3TBDMS,isomer #1 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C(C)(C)C | 4305.9 | Standard non polar | 33892256 | | Ixabepilone,3TBDMS,isomer #1 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C(C)(C)C | 4615.6 | Standard polar | 33892256 | | Ixabepilone,3TBDMS,isomer #2 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N1[Si](C)(C)C(C)(C)C | 4188.1 | Semi standard non polar | 33892256 | | Ixabepilone,3TBDMS,isomer #2 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N1[Si](C)(C)C(C)(C)C | 4401.5 | Standard non polar | 33892256 | | Ixabepilone,3TBDMS,isomer #2 | C/C(=C\C1=CSC(C)=N1)[C@@H]1C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H](C)C(=O)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N1[Si](C)(C)C(C)(C)C | 4409.4 | Standard polar | 33892256 | | Ixabepilone,3TBDMS,isomer #3 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N([Si](C)(C)C(C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 4112.1 | Semi standard non polar | 33892256 | | Ixabepilone,3TBDMS,isomer #3 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N([Si](C)(C)C(C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 4314.2 | Standard non polar | 33892256 | | Ixabepilone,3TBDMS,isomer #3 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O[Si](C)(C)C(C)(C)C)CC(=O)N([Si](C)(C)C(C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O | 4627.3 | Standard polar | 33892256 | | Ixabepilone,3TBDMS,isomer #4 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O)CC(=O)N([Si](C)(C)C(C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C(C)(C)C | 4132.2 | Semi standard non polar | 33892256 | | Ixabepilone,3TBDMS,isomer #4 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O)CC(=O)N([Si](C)(C)C(C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C(C)(C)C | 4331.8 | Standard non polar | 33892256 | | Ixabepilone,3TBDMS,isomer #4 | CC1=C(O[Si](C)(C)C(C)(C)C)C(C)(C)[C@H](O)CC(=O)N([Si](C)(C)C(C)(C)C)[C@H](/C(C)=C/C2=CSC(C)=N2)C[C@@H]2O[C@]2(C)CCC[C@H](C)[C@@H]1O[Si](C)(C)C(C)(C)C | 4605.0 | Standard polar | 33892256 |
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