Beauveriolide I
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| Category | Antibiotics |
| Catalog number | BBF-00273 |
| CAS | 154491-55-1 |
| Molecular Weight | 487.63 |
| Molecular Formula | C27H41N3O5 |
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Description
Beauveriolide I is produced by the strain of Beauveria sp. FO-6979. The effect of I and III can inhibit the formation of Lipid droplet. 10μmol/L can reduce the number and size of the cytolipid droplet in the macrophage but it is not cytotoxic to the macrophages.
Specification
| Synonyms | CHEMBL516093; SCHEMBL15474166 |
| IUPAC Name | (3R,6S,9S,13S)-9-benzyl-13-[(2S)-hexan-2-yl]-6-methyl-3-(2-methylpropyl)-1-oxa-4,7,10-triazacyclotridecane-2,5,8,11-tetrone |
| Canonical SMILES | CCCCC(C)C1CC(=O)NC(C(=O)NC(C(=O)NC(C(=O)O1)CC(C)C)C)CC2=CC=CC=C2 |
| InChI | InChI=1S/C27H41N3O5/c1-6-7-11-18(4)23-16-24(31)29-21(15-20-12-9-8-10-13-20)26(33)28-19(5)25(32)30-22(14-17(2)3)27(34)35-23/h8-10,12-13,17-19,21-23H,6-7,11,14-16H2,1-5H3,(H,28,33)(H,29,31)(H,30,32)/t18-,19-,21-,22+,23-/m0/s1 |
| InChI Key | ZKSLFHXTWGEITF-JIORRVSTSA-N |
Properties
| Appearance | White Powder |
| Melting Point | 248-250 °C |
Reference Reading
1. Design, Synthesis, and Biological Evaluation of Beauveriolide Analogues Bearing Photoreactive Amino Acids
Hiroshi Tomoda,Kazumasa Aoyama,Takayuki Doi,Masahito Yoshida,Keisuke Kobayashi,Taichi Ohshiro,Yuichi Masuda Chem Pharm Bull (Tokyo) . 2016 Jul 1;64(7):754-65. doi: 10.1248/cpb.c16-00095.
Beauveriolides I and III, which are naturally occurring cyclodepsipeptides, have been reported to bind to sterol O-acyltransferase (SOAT), inhibiting its ability to synthesize cholesteryl esters. To facilitate an analysis of the binding site(s) of these compounds, we designed beauveriolide analogues 1a-d wherein the Leu or D-allo-Ile residue was replaced by photoreactive amino acids possessing methyldiazirine or trifluoromethyldiazirine in the side chains. The methyldiazirine moiety was installed by reaction of methyl ketones with liquid ammonia to provide imine intermediates, followed by treatment with hydroxylamine-O-sulfonic acid to provide the diaziridines. Subsequent oxidation gave methyldiazirines. In contrast, trifluoromethyldiazirine derivatives were prepared from trifluoromethyl ketones via the oxime intermediates, which were transformed into diaziridines. Subsequent oxidation afforded trifluoromethyldiazirines. The synthesized photoreactive amino acids 3a-d were coupled with 3-hydroxy-4-methyloctanoic acid 4 and dipeptide 5, followed by macrolactamization to provide beauveriolide analogues 1a-d. The SOAT inhibitory activities of 1a-d were found to be as potent as those of beauveriolides I and III. Moreover, 1a-d inhibited SOAT1 selectively rather than SOAT2, which was also consistent with the behavior of beauveriolides I and III.
2. Conformationally restricted analog and biotin-labeled probe based on beauveriolide III
Hiroshi Tomoda,Daisuke Matsuda,Takashi Takahashi,Satoshi Omura,Takayuki Doi,Masahito Yoshida,Terushige Muraoka,Taichi Ohshiro Bioorg Med Chem Lett . 2012 Jan 1;22(1):696-9. doi: 10.1016/j.bmcl.2011.10.045.
A conformationally restricted oxazoline analog 7 was designed on the basis of a SAR study of beauveriolide III (2) and its analogs reported previously. Conformational analysis by molecular mechanics calculation suggested that the three side chains of 7 mostly occupy the same spaces as those of 2. The analog 7 was synthesized by peptide coupling of the d-cyclohexylglycine-containing ester 11 and d-Ser-containing dipeptide 12, macrolactamization, and cyclodehydration of 6 for the construction of an oxazoline ring. The bicyclic 7 exhibited potential inhibitory activity for cholesteryl ester synthesis similar to that by 2. These results revealed biologically important 3D spaces of the three side chains in inhibitory activity for cholesteryl ester synthesis. In addition, we accomplished the synthesis of a biotin-labeled probe 8 by copper-catalyzed (3+2) cycloaddition of a biotin-containing alkyne 16 and azido-containing beauveriolide analog 15 prepared from 6.
3. Selective inhibition of sterolO-acyltransferase 1 isozyme by beauveriolide III in intact cells
Hiroshi Tomoda,Lawrence L Rudel,Daisuke Matsuda,Takashi Takahashi,Takayuki Doi,Mio Ohba,Keisuke Kobayashi,Taichi Ohshiro Sci Rep . 2017 Jun 23;7(1):4163. doi: 10.1038/s41598-017-04177-8.
Beauveriolide III (BeauIII) inhibited sterol O-acyltransferases 1 and 2 (SOAT1 and SOAT2), which are endoplasmic reticulum (ER) membrane proteins, in an enzyme-based assay, and selectively inhibited SOAT1 in a cell-based assay using SOAT1-/SOAT2-CHO cells. This discrepancy in SOAT inhibition by BeauIII was investigated. In the enzyme-based assay, BeauIII inhibited SOAT1 and SOAT2 to a similar extent using microsomes prepared from cells disrupted under the strongest sonication condition. In semi-intact SOAT1-/SOAT2-CHO cells prepared by a treatment with digitonin (plasma membrane permeabilized), BeauIII selectively inhibited SOAT1 (IC50; 5.0 µM (SOAT1) vs >90 µM (SOAT2)), while in those treated with saponin (plasma membrane and ER membrane permeabilized), BeauIII inhibited SOAT1 (IC50, 1.8 µM) and SOAT2 (5.9 µM). SOAT1-selective inhibition by BeauIII was reproduced in intact ER fractions prepared from SOAT1/SOAT2-CHO cells. A Western blotting analysis revealed that biotin-labeled beauveriolide bound to the SOAT1 protein prepared from SOAT1-CHO cells. We concluded that BeauIII binds to a putative active site responsible for SOAT1 that is located on the cytosolic side of the ER, while BeauIII is not accessible to the corresponding active site for SOAT2 located on the luminal side.
4. The selectivity of beauveriolide derivatives in inhibition toward the two isozymes of acyl-CoA: cholesterol acyltransferase
Taichi Ohshiro,Hiroshi Tomoda,Daisuke Matsuda,Toshiaki Sunazuka,Takashi Takahashi,Satoshi Omura,Takayuki Doi,Lawrence Lee Rudel,Kenichiro Nagai Chem Pharm Bull (Tokyo) . 2009 Apr;57(4):377-81. doi: 10.1248/cpb.57.377.
The selectivity of synthetic beauveriolide derivatives in inhibition toward the two isozymes of acyl-CoA : cholesterol acyltrasferase (ACAT), ACAT1 and ACAT2, was studied in cell-based assays using ACAT1- or ACAT2-expressing Chinese hamster ovary (CHO) cells. NBV274, 285 and 300 showed ACAT1 selective inhibition similar to that of natural beauveriolides I and III, NBV345 inhibited both isozymes with similar potency, but NBV281, 331 and 249 were found to selectively inhibit the ACAT2 isozyme. The structure-activity relationships indicated that a subtle structural difference in beauveriolide derivatives can affect the selectivity of inhibition of the ACAT isozymes.
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Bio Calculators
* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
* Total Molecular Weight:
g/mol
Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
