Pixantrone
- Product Name
- Pixantrone
- CAS No.
- 144510-96-3
- Chemical Name
- Pixantrone
- Synonyms
- CS-1359;pixantrone;Pixantrone, BBR 2778;BBR-2778;BBR2778;BBR 2778;Pixantrone diformate salt;6,9-Bis[(2-aminoethyl)amino]benz[g]isoquinoline-5,10-dione;6,9-bis((2-aminoethyl)amino)benzo(g)isoquinoline-5,10-dione;Benz[g]isoquinoline-5,10-dione, 6,9-bis[(2-aminoethyl)amino]-
- CBNumber
- CB71321822
- Molecular Formula
- C17H19N5O2
- Formula Weight
- 325.37
- MOL File
- 144510-96-3.mol
Pixantrone Property
- Melting point:
- >173°C (dec.)
- Boiling point:
- 650.0±55.0 °C(Predicted)
- Density
- 1.405
- storage temp.
- Refrigerator
- solubility
- DMSO (Slightly), Methanol (Slightly)
- pka
- 9.34±0.10(Predicted)
- form
- Solid
- color
- Dark Blue to Very Dark Blue
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- API0005281
- Product name
- PIXANTRONE
- Purity
- 95.00%
- Packaging
- 1G
- Price
- $930.3
- Updated
- 2021/12/16
- Product number
- 2637B
- Product name
- Pixantrone
- Packaging
- 1g
- Price
- $950
- Updated
- 2021/12/16
- Product number
- 2637B
- Product name
- Pixantrone
- Packaging
- 5mg
- Price
- $45
- Updated
- 2021/12/16
- Product number
- 2637B
- Product name
- Pixantrone
- Packaging
- 10mg
- Price
- $75
- Updated
- 2021/12/16
- Product number
- CSN12328
- Product name
- Pixantrone
- Packaging
- 10mg
- Price
- $115
- Updated
- 2021/12/16
Pixantrone Chemical Properties,Usage,Production
Description
In May 2012, pixantrone was approved by the European Commission as a single agent for the treatment of relapsed or refractory aggressive B-cell non-Hodgkin lymphoma (NHL) in adult patients who have failed on at least two previous therapies. Pixantrone (also known as BBR- 2778) is an anthracycline analogue that was specifically designed to address the cardiotoxicity seen in earlier agents by replacement of a 1,4- dihydroxyanthracene-9,10-dione core with a benzoisoquinoline-5,10-dione ring system. Pixantrone inhibits topoisomerase II by intercalation with DNA and is also believed to form covalent adducts with the N-2 amino group of guanine via a formaldehyde aminal formed with the primary amino groups. Pixantrone is less cytotoxic than other anthracycline derivatives, but shows good antitumor activity in vivo in a variety of preclinical tumor models, including leukemia and lymphoma models. Pixantrone also demonstrated significantly reduced cardiotoxicity in preclinical models compared with the anthracyclines doxorubicin and mitroxantrone. Pixantrone was synthesized by Friedel–Crafts reaction of pyridine-3,4-dicarboxylic acid anhydride with 1,4-difluorobenzene to give a ketoacid that was cyclized to the tricyclic core by treatment with fuming sulfuric acid at 140℃. Reaction of the resulting 6,9-difluorobenzoisoquinoline-5-10-dione with ethylenediamine followed by careful pH adjustment and treatment with maleic acid gave pixantrone in good overall yield and purity.
Originator
University of Vermont (United States)
Uses
Pixantrone is an antineoplastic drug belonging to group of antitumor antibiotics. Pixantrone is an anlogue of Mitoxantrone (M373425) and is just as potent in the treatment of multiple sclerosis with fewer toxic effects on cardiac tissue. Studies suggest that Pixantrone significantly reduces amyloid beta (A beta(1-42)) neurotoxicity, a mechanism implicated in Alzheimer's disease.
Uses
anti-inflammatory and immunosuppressive glucocorticoid steroid
Definition
ChEBI: Pixantrone is a member of isoquinolines.
brand name
Pixuvri
Clinical Use
Pixuvri (Pixantrone dimaleate) is a novel aza-anthracenedione derivative approved in Europe for the treatment of adult patients with non-Hodgkin B-cell lymphoma. It is also being pursued as a treatment for various cancers, and specifically as an alternative to other structurally-related drugs like mitoxantrone, employed for treatment of breast cancer, acute myeloid leukemia (AML), and non- Hodgkins lymphoma.Pixantrone dimaleate has been designed to maintain antitumor efficacy while decreasing highly cardiotoxic side effects observed during treatment with other related anti-tumor anthracenedione derivatives. Like many anthracenedione drugs, the mechanism of action for pixantrone dimaleate likely includes a number of pathways and processes, with studies suggesting intercalation into DNA and/or interference with DNA –Topoisomerase II activity, leading to subsequent protein associated-DNA strand breaks and eventually to cell death.
Synthesis
Pixantrone dimaleate, also
known as BBR 2778, was originally synthesized by professors Krapcho and Hacker at the University of
Vermont, and determination of in-vitro tumor cell cytotoxicity was co-identified by the Boehringer
Mannheim Italia research center and the University of Vermont. After the merger of Boehringer
Mannheim with La-Roche, Novuspharm, and Cell Therapeautics, Inc., pixantrone dimaleate has been
developed and marketed by Cell Therapeutics, Inc.
The manufacturing scale synthesis of pixantrone dimaleate relies on several process modifications, from the original synthesis reported by Krapcho in 1994.169 This modified procedure has provided
active pharmaceutical ingredient (API) in high purity (>99%) and is acceptable for use in
pharmaceutical applications (the scheme). Beginning with pyridine 3,4-dicarboxylic acid (129),
generation of the corresponding anhydride 130 proceeded in 76% yield upon treatment with refluxing
Ac2O. Next, an AlCl3-promoted Friedel-Crafts reaction of 1,4-difluorobenzene (131) with 130 under
reflux conditions provided a mixture of nicotinic acid isomers 132a/132b in 84% yield, which were
carried directly to the next step. Cyclization with fuming H2SO4 yielded the desired difluorobenzoisoquinoline-
dione core 133, which was further functionalized with ethylenediamine (134) to provide
the free base of pixantrone. Subjection of the pixantrone free base to aqueous acetic anhydride and
maleic acid provided pixantrone dimaleate (XX) in 92% yield over 3 steps.
Drug interactions
Potentially hazardous interactions with other drugs
Antipsychotics: avoid with clozapine, increased risk
of agranulocytosis.
Live vaccines: risk of generalised infections - avoid.
Metabolism
Pixantrone may be metabolised in the liver and/or excreted in the bile. As metabolism appears to be limited, biliary excretion of unchanged pixantrone may be the major elimination pathway. Acetylated metabolites were pharmacologically inactive and metabolically stable. In human urine, the compound was mainly excreted unchanged, and very small amounts of phase I and phase II acetylated metabolites were found.
Pixantrone Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Pixantrone manufacturers
- Product
- Pixantrone 144510-96-3
- Price
- US $1.00/KG
- Min. Order
- 1G
- Purity
- 98%
- Supply Ability
- 100KG
- Release date
- 2018-08-20