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SML0040

Sigma-Aldrich

Lometrexol hydrate

≥95% (HPLC), powder, GARFTase inhibitor

Synonyme(s) :

LY 264618 hydrate, N-[4-[2-[(6R)-2-amino-3,4,5,6,7,8-hexahydro-4-oxopyrido[2,3-d]pyrimidin-6-yl]ethyl]benzoyl]-L-glutamic acid hydrate

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About This Item

Formule empirique (notation de Hill):
C21H25N5O6 · xH2O
Numéro CAS:
106400-81-1
Poids moléculaire :
443.45 (anhydrous basis)
Code UNSPSC :
12352200
ID de substance PubChem :
329825110
Nomenclature NACRES :
NA.77

product name

Lometrexol hydrate, ≥95% (HPLC)

Niveau de qualité

100

Pureté

≥95% (HPLC)

Forme

powder

Couleur

white to light yellow

Solubilité

DMSO: ≥5 mg/mL

Température de stockage

2-8°C

Chaîne SMILES 

O.NC1=NC(=O)C2=C(NC[C@H](CCc3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O)C2)N1

InChI

1S/C21H25N5O6.H2O/c22-21-25-17-14(19(30)26-21)9-12(10-23-17)2-1-11-3-5-13(6-4-11)18(29)24-15(20(31)32)7-8-16(27)28;/h3-6,12,15H,1-2,7-10H2,(H,24,29)(H,27,28)(H,31,32)(H4,22,23,25,26,30);1H2/t12-,15+;/m1./s1

Clé InChI

AEFQSKJUVDZANQ-YLCXCWDSSA-N

Application

Lometrexol hydrate was used to compare the biological activity of potent inhibitor of human GARFTase.

Actions biochimiques/physiologiques

Glycinamide Ribonucleotide Formyltransferase (GARFTase) is a folate-dependent enzyme required for de novo purine synthesis. Lometrexate is a potent inhibitor of GARFTase, but does not interfere with enzymes involved in the synthesis of folate. Lometrexerol has been tested clinically for the treatment of various cancers as an anti-folate like agent, similar to methotrexate. Treatment with lometrexol rapidly decreases ATP and GTP levels, cell cycle arrest and induces apoptosis. Although depletion of nucleotide pools induces p53 expression, lometrexol is cytotoxic in both wild-type and mutant p53 expressing tumor cells. Lometrexol is cytotoxic in CCRF-CEm leukemia cells with an IC50 of 2.9 nM.

Pictogrammes

Skull and crossbones
GHS06

Mention d'avertissement

Danger

Mentions de danger

H301

Classification des risques

Acute Tox. 3 Oral

Code de la classe de stockage

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

New agents in cancer clinical trials.
J Adams et al.
Oncogene, 19(56), 6687-6692 (2001-06-28)
D R Newell
Seminars in oncology, 26(2 Suppl 6), 74-81 (1999-12-22)
Antifolate drugs, as a class, have broad-spectrum activity against both hematologic and solid human malignancies. The pharmacokinetics of the classical antifolate methotrexate have been well-defined and pharmacokinetic data can be exploited to reduce the toxicity and enhance the activity of
Julie L Bronder et al.
Cancer research, 62(18), 5236-5241 (2002-09-18)
The class of folate antimetabolites typified by (6R)-dideazatetrahydrofolate (lometrexol, DDATHF) are specific inhibitors of de novo purine synthesis because of potent inhibition of glycinamide ribonucleotide formyltransferase (GART) but do not induce detectable levels of DNA strand breaks. As such, they
J I Borrell et al.
Journal of medicinal chemistry, 41(18), 3539-3545 (1998-08-28)
The 4-amino-7-oxo-substituted analogues of 5-deaza-5,6,7, 8-tetrahydrofolic acid (5-DATHF) and 5,10-dideaza-5,6,7, 8-tetrahydrofolic acid (DDATHF) were synthesized as potential antifolates. Treatment of the alpha,beta-unsaturated esters 11a-c, obtained in one synthetic step from commercially available para-substituted methyl benzoates (9a-c) and methyl 2-(bromomethyl)acrylate (10)
R Zhao et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 6(8), 3304-3311 (2000-08-24)
A murine leukemia cell line was identified that is highly resistant to methotrexate (MTX), due to impaired transport, but fully sensitive to 5,10-dideazatetrahydrofolate (DDATHF). A valine-to-methionine substitution at amino acid 104 in the reduced folate carrier (RFC1) explains this disparity
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