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MassBank Record: MSBNK-AAFC-AC000617

Stachybocin B; LC-ESI-ITFT; MS2; CE: 50; R=17500; [M+Na]+

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: MSBNK-AAFC-AC000617
RECORD_TITLE: Stachybocin B; LC-ESI-ITFT; MS2; CE: 50; R=17500; [M+Na]+
DATE: 2017.07.07
AUTHORS: Justin B. Renaud, Mark W. Sumarah, Agriculture and Agri-Food Canada
LICENSE: CC BY-SA
COPYRIGHT: Copyright (C) 2017
PUBLICATION: Renaud, J. B.; Sumarah, M. W. Data Independent Acquisition-Digital Archiving Mass Spectrometry: Application to Single Kernel Mycotoxin Analysis of Fusarium Graminearum Infected Maize. Analytical and Bioanalytical Chemistry 2016, 408 (12), 3083–91. DOI:10.1007/s00216-016-9391-5
COMMENT: CONFIDENCE isolated standard

CH$NAME: Stachybocin B
CH$NAME: (2S)-6-[(3R,7R,8R,8aS)-3,4'-dihydroxy-4,4,7,8a-tetramethyl-6'-oxospiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2'-3,8-dihydrofuro[2,3-e]isoindole]-7'-yl]-2-[(2R,3S,7R,8R,8aS)-2,3,4'-trihydroxy-4,4,7,8a-tetramethyl-6'-oxospiro[2,3,4a,5,6,7-hexahydro-1H-naphthalene-8,2'-3,8-dihydrofuro[2,3-e]isoindole]-7'-yl]hexanoic acid
CH$COMPOUND_CLASS: Natural Product; Fungal metabolite
CH$FORMULA: C52H70N2O11
CH$EXACT_MASS: 898.49797
CH$SMILES: C[C@@H]1CCC2[C@@]([C@@]13CC4=C(C=C5C(=C4O3)CN(C5=O)CCCC[C@@H](C(=O)O)N6CC7=C8C(=C(C=C7C6=O)O)C[C@@]9(O8)[C@@H](CCC1[C@@]9(C[C@H]([C@H](C1(C)C)O)O)C)C)O)(CC[C@H](C2(C)C)O)C
CH$IUPAC: InChI=1S/C52H70N2O11/c1-26-12-14-38-47(3,4)40(58)16-17-49(38,7)51(26)21-30-35(55)19-28-32(41(30)64-51)24-53(44(28)60)18-10-9-11-34(46(62)63)54-25-33-29(45(54)61)20-36(56)31-22-52(65-42(31)33)27(2)13-15-39-48(5,6)43(59)37(57)23-50(39,52)8/h19-20,26-27,34,37-40,43,55-59H,9-18,21-25H2,1-8H3,(H,62,63)/t26-,27-,34+,37-,38?,39?,40-,43-,49+,50+,51-,52-/m1/s1
CH$LINK: INCHIKEY ZRTGPZGAMCJZNA-CRDDFVEESA-N
CH$LINK: PUBCHEM CID:10509958
CH$LINK: KNAPSACK C00016148

AC$INSTRUMENT: Q-Exactive Orbitrap Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: IONIZATION_VOLTAGE 3.9 kV
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 50(NCE)
AC$MASS_SPECTROMETRY: RESOLUTION 17500
AC$CHROMATOGRAPHY: COLUMN_NAME Agilent RRHD Eclipse 50 x 2 mm, 1.8 uM
AC$CHROMATOGRAPHY: FLOW_GRADIENT 100:0 at 0 min, 100:0 at 0.5 min, 0:100 at 3.5 min, 0:100 at 5.5 min, 100:0 at 7 min
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 mL min-1
AC$CHROMATOGRAPHY: RETENTION_TIME 4.07
AC$CHROMATOGRAPHY: NAPS_RTI 1456
AC$CHROMATOGRAPHY: SOLVENT A H2O 0.1% FA
AC$CHROMATOGRAPHY: SOLVENT B ACN 0.1% FA

MS$FOCUSED_ION: BASE_PEAK 877.4952
MS$FOCUSED_ION: PRECURSOR_M/Z 921.4866
MS$FOCUSED_ION: PRECURSOR_TYPE [M+Na]+
MS$DATA_PROCESSING: DEPROFILE Proteowizard
MS$DATA_PROCESSING: RECALIBRATE based on Fragment ion formula determination
MS$DATA_PROCESSING: INTENSITY CUTOFF 0.05 Base Peak

PK$SPLASH: splash10-004l-0000601092-dee3d708acfb6049395a
PK$ANNOTATION: m/z tentative_formula mass_error(ppm)
  474.261 C27H38O7+ -0.45
  486.1746 C23H29N1O9Na1+ 2.39
  491.2871 C27H41N1O7+ -1.34
  492.271 C27H40O8+ -1.57
  499.1825 C26H29N1O9+ -2.34
  520.2659 C28H40O9+ -1.51
  637.3209 C46H41N2O1+ -0.74
  653.3185 C49H42Na1+ 0.89
  669.3129 C49H42O1Na1+ 0.11
  859.485 C48H70N1O11Na1+ 1.02
  875.4802 C51H68N2O9Na1+ -1.74
  877.4952 C51H70N2O9Na1+ -2.48
  903.4747 C52H68N2O10Na1+ -2.14
  921.4847 C52H70N2O11Na1+ -2.71
PK$NUM_PEAK: 15
PK$PEAK: m/z int. rel.int.
  474.2612 148269.484375 42
  486.1734 160922.3125 46
  491.2878 765270.6875 224
  492.2718 2531289.5 745
  499.1837 131450.90625 37
  520.2667 334529.8125 97
  637.3214 154457.96875 44
  653.3179 481273.59375 140
  669.3128 348549.8125 101
  859.4841 601778.875 176
  875.4817 634293.375 185
  877.4974 3392561.25 999
  878.4966 217668.6875 63
  903.4766 259590.765625 75
  921.4872 1285859.875 378
//

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