Fumonisin B4

Fumonisin B4 (or FB4) is a fumonisin mycotoxin produced mainly by the fungi Fusarium proliferatum, Fusarium verticillioides (formerly Fusarium moniliforme). Recently FB4 has been detected in fungi Aspergillus niger and in several Tolypocladium species.

Fumonisin B4

Molecular structure of fumonisin B4
Names
Preferred IUPAC name
(2R,2′R)-{[(5R,6R,7S,9S,18S,19S)-19-Amino-18-hydroxy-5,9-dimethylicosane-6,7-diyl]bis(oxy)}bis(4-oxobutane-1,2-dicarboxylic acid)
Other names
FB4
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
PubChem CID
  • InChI=1S/C34H59NO14/c1-5-6-12-21(3)32(49-31(43)18-24(34(46)47)16-29(40)41)27(48-30(42)17-23(33(44)45)15-28(38)39)14-20(2)11-9-7-8-10-13-25(36)19-26(37)22(4)35/h20-27,32,36-37H,5-19,35H2,1-4H3,(H,38,39)(H,40,41)(H,44,45)(H,46,47)/t20-,21+,22-,23+,24+,25+,26-,27-,32+/m0/s1 Y
    Key: UXDPXZQHTDAXOZ-STOIETHLSA-N Y
  • InChI=1S/C34H59NO13/c1-5-6-14-22(3)32(48-31(42)20-25(34(45)46)18-29(39)40)27(47-30(41)19-24(33(43)44)17-28(37)38)16-21(2)13-11-9-7-8-10-12-15-26(36)23(4)35/h21-27,32,36H,5-20,35H2,1-4H3,(H,37,38)(H,39,40)(H,43,44)(H,45,46)/t21-,22+,23-,24+,25+,26-,27-,32+/m0/s1
    Key: WYYKRDVIBOEORL-JLCKPESSSA-N
SMILES
  • CCCCC(C)C(C(CC(C)CCCCCCCCC(C(C)N)O)OC(=O)CC(CC(=O)O)C(=O)O)OC(=O)CC(CC(=O)O)C(=O)O
Properties
C34H59NO13
Molar mass 689.83 g/mol
Appearance White to off-white powder
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N (what is YN ?)
Infobox references

FB4 is similar to fumonisin B2 and fumonisin B3 but it is lacking a hydroxy group located gamma- to the amino substituent while lacking two hydroxy groups compared to fumonisin B1. Fumonisin B4 has been first published in 1991.

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