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R176502

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Category Bioactive by-products
Catalog number BBF-03361
CAS
Molecular Weight 854
Molecular Formula C47H67NO13

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Capabilities & Facilities

Fermentation Lab

4 R&D and scale-up labs

2 Preparative purification labs

Fermentation Plant

Semi pilot, pilot and industrial plant 4 Manufacturing sites 7 Production lines at pilot scale 100+ Reactors of 30-4000 L; 170+ reactors of 20 KL-30 KL; 24+ reactors of >100 KL 2 Hydrogenation reactors (200 L, 4Mpa and 1000L, 4Mpa)

Product Description

R176502 is a bafilolide metabolite with potent antiproliferative activity, which is produced by Micromonospora sp. JS1035. It inhibits proliferation of MCF-7, HT-29, K562/C1000 and Malme-3M cells with IC50 values of 1.29 ± 0.35, 0.61 ± 0.04, 9.29 ± 7.35, 7.96 ± 2.75 nmol/L.

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Synonyms R 176502
IUPAC Name [(2R,4R,5S,6R)-6-[(1E,3E)-hexa-1,3-dienyl]-2-hydroxy-2-[(2S,3R,4S)-3-hydroxy-4-[(2R,3S,4E,6E,9S,10S,11R,12E,14Z)-10-hydroxy-3,15-dimethoxy-7,9,11,13-tetramethyl-16-oxo-1-oxacyclohexadeca-4,6,12,14-tetraen-2-yl]pentan-2-yl]-5-methyloxan-4-yl] (E)-4-[(2-hydroxy-5-oxocyclopenten-1-yl)amino]-4-oxobut-2-enoate
Canonical SMILES CCC=CC=CC1C(C(CC(O1)(C(C)C(C(C)C2C(C=CC=C(CC(C(C(C=C(C=C(C(=O)O2)OC)C)C)O)C)C)OC)O)O)OC(=O)C=CC(=O)NC3=C(CCC3=O)O)C
InChI InChI=1S/C47H67NO13/c1-11-12-13-14-17-36-31(6)39(59-41(52)22-21-40(51)48-42-34(49)19-20-35(42)50)26-47(56,61-36)33(8)44(54)32(7)45-37(57-9)18-15-16-27(2)23-29(4)43(53)30(5)24-28(3)25-38(58-10)46(55)60-45/h12-18,21-22,24-25,29-33,36-37,39,43-45,49,53-54,56H,11,19-20,23,26H2,1-10H3,(H,48,51)/b13-12+,17-14+,18-15+,22-21+,27-16+,28-24+,38-25-/t29-,30+,31+,32-,33-,36+,37-,39+,43-,44+,45+,47+/m0/s1
InChI Key JXMDVHROXKUEAM-ZBMDCPOGSA-N
Appearance Pale Brown Solid
Antibiotic Activity Spectrum neoplastics (Tumor)
Melting Point 114-120°C
1. R176502, a new bafilolide metabolite with potent antiproliferative activity from a novel Micromonospora species
Jodi A Laakso, Ursula M Mocek, Jacky Van Dun, Walter Wouters, Michel Janicot J Antibiot (Tokyo). 2003 Nov;56(11):909-16. doi: 10.7164/antibiotics.56.909.
During the course of a screening program intended to identify new antiproliferative agents, a new bafilolide metabolite was discovered. R176502 (1) was isolated from the liquid fermentation cultures of a novel Micromonospora species found in African river bottom sediment. It was purified from ethyl acetate extracts using a series of countercurrent chromatographic steps. The structure was determined using 1- and 2-D NMR experiments. Three previously described bafilomycins (bafilomycins A1 (2), B1 (3), and B2 (4)) were also isolated (from other microbial strains). R176502 exhibited potency for inhibition of tumor cell proliferation in the nM range of concentrations.

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Tip: Chemical formula is case sensitive. C22H30N4O c22h30n40
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