Bosutinib Chemical Properties

Melting point:

116-120 ºC

Boiling point:

649.7±55.0 °C(Predicted)

Density 

1.36

vapor pressure 

0-0Pa at 20℃

storage temp. 

room temp

solubility 

DMSO: ≥15mg/mL

form 

powder

pka

7.63±0.10(Predicted)

color 

off-white to light brown

Stability:

Stable for 2 years from date of purchase as supplied. Solutions in DMSO may be stored at -20°C for up to 1 month.

InChIKey

PICKMQXYAMDEPF-UHFFFAOYSA-N

LogP

3.3-4.3 at pH9.5

Surface tension

72.4mN/m at 3.6mg/L and 20℃

CAS DataBase Reference

380843-75-4(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36

Safety Statements 

26

WGK Germany 

3

HS Code 

29335990

Bosutinib Usage And Synthesis

Binding Mode

In the co-crystal structures of the two molecules of dasatinib (green and blue) in the asymmetric unit cell with ABL, it binds to an active DFG-information of ABL. The aminothiazole core, which is orthogonal to the 2-chloro-6-methylphenyl moiety, occupies the site that normally binds the adenine group of ATP. The pyrimidine NH and the thiazole nitrogen interact with the backbone amide carbonyl and NH of the hinge region Met318, and the carboxamide NH forms an H-bond with the side chain hydroxyl of Thr315. The terminal hydroxyethyl group interacts differently with each of the two molecules in the asymmetric unit cell: (1) via a hydrogen bond between the hydroxyethyl group and the backbone carbonyl of Tyr320; and (2) with the hydroxyethyl group pointing in the opposite direction and approaching the solvent front. By binding strongly to the active conformation of ABL within the ATP-binding site (vs. the inactive conformation for imatinib), dasatinib efficiently competes with ATP. Due to a different binding mode from that of imatinib, it maintains cellular activity against most imatinib-resistant BCR-ABL mutations (but not the T315I mutation due to the loss of a hydrogen bond with T315 and increased steric clash with the bulky isobutyl chain of 315I). Unfortunately, binding to the more highly conserved active conformation results in reduced selectivity relative to imatinib, and as a result, dasatinib inhibits many additional protein kinases at physiologically relevant concentrations.

Description

Bosutinib, similar to dasatinib, was developed as a dual inhibitor of the SCR family of kinases and the ABL kinase, thus applicable for Ph+ leukemias. In September 2012, the US FDA approved bosutinib (also referred to as SKI-607) for the treatment of relapsed or refractory chronicmyeloid leukemia (CML) for patients with resistance or intolerance to prior therapy.

Chemical Properties

Pale Yellow Solid
Class: non-receptor tyrosine kinase
Treatment: CML
Oral bioavailability = 34%
Elimination half-life = 22.5 h
Protein binding = 95%

Originator

Wyeth (United States)

Uses

A novel Src kinase inhibitor, suppresses migration and invasion of human breast cancer cells.

Uses

Bosutinib (SKI-606) is a novel, dual Src/Abl inhibitor with IC50 of 1.2 nM and 1 nM, respectively. It is built around a chemical scaffold that is different from that of imatinib. peripheral vasolidator increases cerebral blood flow, potential therapeutic for Altzheimer’s disease, cognitive impairment and dementia.

Definition

ChEBI: Bosutinib is an aminoquinoline that is 4-[(2,4-dichloro-5-methoxyphenyl)amino]-7-[3-(4-methylpiperazin-1-yl)propoxy]quinoline bearing additional cyano and methoxy substituents at positions 3 and 6 respectively. It has a role as an antineoplastic agent and a tyrosine kinase inhibitor. It is a nitrile, a N-methylpiperazine, an aromatic ether, a tertiary amino compound, an aminoquinoline and a dichlorobenzene.

brand name

Bosulif

General Description

Bosutinib is a safe oral medicine with good bioavailability. It is effective for treating chronic myeloid leukemia (CML). It is also a potent ATP-competitive inhibitor for Src tyrosine kinase. Bosutinib inhibits epidermal growth factor receptor (EGFR). It suppresses solid tumors associated with breast, pancreas and prostate.

Biochem/physiol Actions

Bosutinib (SKI-606) is an orally active; dual Src/Abl tyrosine kinase inhibitor with potent antiproliferative activity. It does not appear to inhibit c-Kit and PDGRF, which are thought to be the cause of numerous side effects in anticancer treatment with some other tyrosine kinase inhibitors.

Clinical Use

Protein kinase inhibitor:

Treatment of Philadelphia chromosome-positive chronic myelogenous leukaemia resistant or intolerant to prior therapy

Side effects

Possible side effects of bosutinib include Nausea, vomiting, stomach/abdominal pain, loss of appetite, cough, joint pain, headache, or dizziness may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Diarrhea is a common side effect.
www.webmd.com

target

BCR-ABL

Drug interactions

Potentially hazardous interactions with other drugs Analgesics: possibly increased risk of ventricular arrhythmias with methadone. Anti-arrhythmics: possibly increased risk of ventricular arrhythmias with amiodarone and disopyramide; concentration possibly increased by dronedarone - avoid or consider reducing dose of bosutinib. Antibacterials: concentration possibly increased by ciprofloxacin, clarithromycin, erythromycin and telithromycin - avoid or consider reducing dose of bosutinib; possibly increased risk of ventricular arrhythmias with moxifloxacin; concentration reduced by rifampicin and possibly rifabutin - avoid. Antidepressants: concentration possibly reduced by St John’s wort - avoid. Antiepileptics: concentration possibly reduced by carbamazepine, fosphenytoin, phenobarbital, phenytoin and primidone - avoid. Antifungals: concentration increased by ketoconazole and possibly by fluconazole, itraconazole, posaconazole and voriconazole - avoid or consider reducing dose of bosutinib. Antimalarials: possibly increased risk of ventricular arrhythmias with chloroquine and hydroxychloroquine. Antipsychotics: possibly increased risk of ventricular arrhythmias with haloperidol; avoid with clozapine, increased risk of agranulocytosis. Antivirals: concentration possibly increased by atazanavir, boceprevir, darunavir, fosamprenavir, indinavir, ritonavir, saquinavir and telaprevir - avoid or consider reducing dose of bosutinib; concentration possibly reduced by efavirenz and etravirine - avoid. Aprepitant: concentration possibly increased - avoid or consider reducing dose of bosutinib. Beta-blockers: possibly increased risk of ventricular arrhythmias with sotalol. Bosentan: concentration of bosutinib possibly reduced - avoid. Calcium channel blockers: concentration possibly increased by diltiazem or verapamil - avoid or consider reducing dose of bosutinib. Cytotoxics: concentration possibly increased by imatinib - avoid or consider reducing dose of bosutinib. Domperidone: avoid concomitant use, risk of ventricular arrhythmias. Fosaprepitant: concentration possibly increased by fosaprepitant - avoid or consider reducing dose of bosutinib Grapefruit juice: concentration possibly increased by grapefruit juice - avoid or consider reducing dose of bosutinib. Modafinil: concentration of bosutinib possibly reduced - avoid.

Metabolism

Mainly hepatically metabolised. The major circulating metabolites identified in plasma are oxydechlorinated (M2) bosutinib (19% of parent exposure) and N-desmethylated (M5) bosutinib (25% of parent exposure), with bosutinib N-oxide (M6) as a minor circulating metabolite. All the metabolites are inactive. Excretion is mainly via the faeces.

storage

+4°C

Mode of action

Bosutinib is a synthetic quinolone derivative and dual kinase inhibitor that targets both Abl and Src kinases with potential antineoplastic activity. Unlike imatinib, bosutinib inhibits the autophosphorylation of both Abl and Src kinases, resulting in inhibition of cell growth and apoptosis. Because of the dual mechanism of action, this agent may have activity in resistant CML disease, other myeloid malignancies and solid tumors. Abl kinase is upregulated in the presence of the abnormal Bcr-abl fusion protein which is commonly associated with chronic myeloid leukemia (CML). Overexpression of specific Src kinases is also associated with the imatinib-resistant CML phenotype.

References

Golas et al. (2003), SKI-606, a 4-anilino-3-quinolinecarbonitrile dual inhibitor of Src and Abl kinases, is a potent antiproliferative agent against chronic myelogenous leukemia cells in culture and causes regression of K562 xenografts in nude mice; Cancer Res., 63 375 Remsing Rix et al. (2009), Global target profile of the kinase inhibitor bosutinib in primary chronic myeloid leukemia cells; Leukemia, 23 477 Redaelli et al. (2009), Activity of bosutinib, Dasatinib, and nilotinib against 18 imatinib-resistant BCR/ABL mutants; J. Clin. Oncol., 27 469 MacDonald et al. (2018), Src family kinase inhibitor bosutinib enhances retinoic acid-induced differentiation of HL-60 leukemia cells; Leuk. Lymphoma, 59 2941 Vultur et al. (2008), SKI-606 (bosutinib), a novel Src kinase inhibitor, suppresses migration and invasion of human breast cancer cells; Mol. Cancer Ther., 7 1185

Bosutinib(380843-75-4)Related Product Information

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