Thymectacin

Thymectacin
Identifiers


IUPAC name (2S)-methyl 2-((((2R,3S,5R)-5-(5-((E)-2-bromovinyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3-hydroxytetrahydrofuran-2-yl)methoxy)(phenoxy)phosphorylamino)propanoate
CAS Number	232925-18-7^Y
PubChem (CID)	6440764
ChemSpider	4945015^N
Chemical and physical data
Formula	C₂₁H₂₅BrN₃O₉P
Molar mass	574.3185 g/mol
3D model (Jmol)	Interactive image
SMILES C[C@@H](C(=O)OC)NP(=O)(OC[C@@H]1[C@H](C[C@@H](O1)n2cc(c(=O)[nH]c2=O)/C=C/Br)O)Oc3ccccc3
InChI InChI=1S/C21H25BrN3O9P/c1-13(20(28)31-2)24-35(30,34-15-6-4-3-5-7-15)32-12-17-16(26)10-18(33-17)25-11-14(8-9-22)19(27)23-21(25)29/h3-9,11,13,16-18,26H,10,12H2,1-2H3,(H,24,30)(H,23,27,29)/b9-8+/t13-,16-,17+,18+,35?/m0/s1^N Key:CFBLUORPOFELCE-BACVZHSASA-N^N
^NY (what is this?) (verify)

Thymectacin (NB-1011, NB-101, N-[[5-[(E)-2-Bromovinyl]-2'-deoxyuridin-5'-O-yl]](phenoxy)phosphoryl]-L-alanine methyl ester) is an anticancer prodrug of brivudine monophosphate. It developed by New Biotics and it has entered in phase I clinical trials for colon cancer.^[1]

References

↑ Wilson, R. H. (2006). "Novel Therapeutic Developments Other Than EGFR and VEGF Inhibition in Colorectal Cancer". The Oncologist. 11 (9): 1018–1024. doi:10.1634/theoncologist.11-9-1018. PMID 17030644.

Description of Thymectacin: Thymectacin, also known as NB-1011, is a small molecule phosphoramidate derivative of (E)-5-(2-bromovinyl)-2'-deoxyuridine with potential antineoplastic activity. Selectively active against tumor cells expressing high levels of thymidylate synthase (TS), BVdU pronucleotide analogue NB1011 is converted intracellularly by TS to bromovinyldeoxyuridine monophosphate (BVdUMP) which competes with the natural substrate, deoxyuridine monophosphate, for binding to TS. Unlike TS inhibitors, this agent is a reversible substrate for TS catalysis. Thus, TS retains activity and converts BVdUMP into cytotoxic metabolites.

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