4-(3'-HYDROXYPHENYL)AMINO-6,7-DIMETHOXYQUINAZOLINE, HCL
4-(3'-HYDROXYPHENYL)AMINO-6,7-DIMETHOXYQUINAZOLINE, HCL Basic information
- Product Name:
- 4-(3'-HYDROXYPHENYL)AMINO-6,7-DIMETHOXYQUINAZOLINE, HCL
- Synonyms:
-
- WHI-P180, HYDROCHLORIDE
- 4-(3'-HYDROXYPHENYL)AMINO-6,7-DIMETHOXYQUINAZOLINE, HCL
- WHI-P180 HCl
- Janex 3 hydrochloride
- 4-[(3-hydroxyphenyl)amino]-6,7-dimethoxy-1-quinazolinium chloride
- CAS:
- 153437-55-9
- MF:
- C16H16ClN3O3
- MW:
- 333.76954
- Mol File:
- Mol File
4-(3'-HYDROXYPHENYL)AMINO-6,7-DIMETHOXYQUINAZOLINE, HCL Chemical Properties
- storage temp.
- Store at -20°C
- solubility
- Soluble in DMSO
- form
- Powder
4-(3'-HYDROXYPHENYL)AMINO-6,7-DIMETHOXYQUINAZOLINE, HCL Usage And Synthesis
Uses
WHI-P180 (Janex 3) is a multi-kinase inhibitor; inhibits RET, KDR and EGFR with IC50s of 5 nM, 66 nM and 4 μM, respectively.
in vivo
WHI-P180 is also an active inhibitor of IgE-mediated mast cell responses. The elimination half-life of WHI-P180 in CD-1 mice (BALB/c mice) following i.v., i.p., or p.o. administration is less than 10 min. Systemic clearance of WHI-P180 is 6742 mL/h/kg in CD-I mice and 8188 mL/h/kg in BALB/c mice. Notably, WHI-P180, when administered in two consecutive nontoxic i.p. bolus doses of 25 mg/kg, inhibits IgE/antigen-induced vascular hyperpermeability in a well-characterized murine model of passive cutaneous anaphylaxis[3].
IC 50
EGFR: 4 μM (IC50); KDR: 66 nM (IC50); RET: 5 nM (IC50)
References
[1] Newton R, et al. The discovery of 2-substituted phenol quinazolines as potent RET kinase inhibitors with improved KDR selectivity. Eur J Med Chem. 2016 Apr 13;112:20-32. DOI:10.1016/j.ejmech.2016.01.039
[2] Ghosh S, et al. 4-[3-Bromo-4-hydroxyphenyl)amino]-6,7-dimethoxyquinazolin-1-ium chloride methanol solvateand 4-[(3-hydroxyphenyl)amino]-6,7-dimethoxy-1-quinazolinium chloride. Acta Crystallogr C. 2001 Jan;57(Pt 1):76-8. DOI:10.1107/s0108270100013561
[3] Chen CL, et al. Pharmacokinetics and biologic activity of the novel mast cell inhibitor, 4-(3-hydroxyphenyl)-amino-6,7-dimethoxyquinazoline in mice. Pharm Res. 1999 Jan;16(1):117-22. DOI:10.1023/a:1018835232027
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