Patent of Fresenius Kabi Oncology Ltd.Novel intermediates and process for the preparation of lapatinib and…….

New Drug Approvals

File:Lapatinib.svg

LAPATINIB

Title: Lapatinib
CAS Registry Number: 231277-92-2
CAS Name:N-[3-Chloro-4-[(3-fluorophenyl)methoxy]phenyl]-6-[5[[[2-(methylsulfonyl)ethyl]amino]methyl]-2-furanyl]-4-quinazolinamine
Manufacturers’ Codes: GW-572016
Trademarks: Tykerb (GSK)
Molecular Formula: C29H26ClFN4O4S
Molecular Weight: 581.06
Percent Composition: C 59.94%, H 4.51%, Cl 6.10%, F 3.27%, N 9.64%, O 11.01%, S 5.52%

Lapatinib (INN), used in the form of lapatinib ditosylate, (USAN) (Tykerb/Tyverb, GSK) is an orally active drug for breast cancer and other solid tumours. It is a dual tyrosine kinase inhibitor which interrupts the HER2/neu and epidermal growth factor receptor (EGFR) pathways. It is used in combination therapy for HER2-positive breast cancer. It is used for the treatment of patients with advanced or metastatic breast cancer whose tumors overexpress HER2 (ErbB2).

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Beilstein J. Org. Chem.2013,9, 2265–2319.

http://www.beilstein-journals.org/bjoc/single/articleFullText.htm?publicId=1860-5397-9-265

GlaxoSmithKline’s lapatinib (3.38, Tykerb) is a novel dual kinase inhibitor used in the treatment of solid tumors…

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