184358-80-3

Upstream product

• 367-21-5 3-chloro-4-fluorophenylamine 
• 179246-11-8 4-chloroquinazoline-6-yl acetate 
• 184358-81-4 4-(3'-chloro-4'-fluoroanilino)-6-hydroxyquinazoline 
• 16064-10-1 6-hydroxyquinazolin-4(3H)-one 
• 394-31-0 2-amino-5-hydroxybenzoic acid 
• 179688-15-4 4-hydroxyquinazoline-6-yl acetate 
• 179688-15-4 3,4-dihydro-4-oxoquinazolin-6-yl acetate 
• 16064-10-1 6-hydroxyquinazolin-4(3H)-one 

Downstream Products

• 184358-81-4 4-(3'-chloro-4'-fluoroanilino)-6-hydroxyquinazoline 
• 1259017-70-3 N-(3-chloro-4-fluorophenyl)-6-(3-chloropropoxy)quinazolin-4-amine 
• 1259017-42-9 3-(4-(3-chloro-4-fluorophenylamino)quinazolin-6-yloxy)propyl 4-methylpiperazine-1-carbodithioate 
• 1012054-60-2 2-(4-(3-chloro-4-fluorophenylamino)quinazolin-6-yloxy)-N-hydroxyacetamide 

Relevant academic research and scientific papers

Novel EGFR inhibitors prepared by combination of dithiocarbamic acid esters and 4-anilinoquinazolines

On the basis of combination strategy, a novel series of EGFR inhibitors were designed and synthesized by combination of dithiocarbamic acid esters and 4-anilinoquinazolines. The effect of the synthesized compounds on cell proliferation was evaluated by MTT assay in three human cancer cell lines: MDA-MB-468, SK-BR-3 and HCT-116. Two compounds (11d and 11f) were found more potent against all three cell lines and five compounds (11a, 11d-11g) were found more potent against both MDA-MB-468 and SK-BR-3 than Lapatinib. SAR studies revealed that the substituents on C6 and C7 positions of quinazoline, the amine component of dithiocarbamate moiety and the linker greatly affected the activity. This work provides a promising new strategy for the preparation of potent tyrosine kinase inhibitors.

Discovery of 7-(4-(3-Ethynylphenylamino)-7-methoxyquinazolin-6-yloxy)-N- hydroxyheptanamide (CUDC-101) as a potent multi-acting HDAC, EGFR, and HER2 inhibitor for the treatment of cancer

By incorporating histone deacetylase (HDAC) inhibitory functionality into the pharmacophore of the epidermal growth factor receptor (EGFR) and human epidermal growth factor receptor 2 (HER2) inhibitors, we synthesized a novel series of compounds with potent, multiacting HDAC, EGFR, and HER2 inhibition and identified 7-(4-(3-ethynylphenylamino)-7-methoxyquinazolin-6-yloxy)-N- hydroxyheptanamide 8 (CUDC-101) as a drug candidate, which is now in clinical development. 8 displays potent in vitro inhibitory activity against HDAC, EGFR, and HER2 with an IC50 of 4.4, 2.4, and 15.7 nM, respectively. In most tumor cell lines tested, 8 exhibits efficient antiproliferative activity with greater potency than vorinostat (SAHA), erlotinib, lapatinib, and combinations of vorinostat/erlotinib and vorinostat/lapatinib. In vivo, 8 promotes tumor regression or inhibition in various cancer xenograft models including nonsmall cell lung cancer (NSCLC), liver, breast, head and neck, colon, and pancreatic cancers. These results suggest that a single compound that simultaneously inhibits HDAC, EGFR, and HER2 may offer greater therapeutic benefits in cancer over single-acting agents through the interference with multiple pathways and potential synergy among HDAC and EGFR/HER2 inhibitors.

FORMULATION OF QUINAZOLINE BASED EGFR INHIBITORS CONTAINING A ZINC BINDING MOIETY

The present invention relates to a composition comprising an inclusion complex of a cyclodextrin and quinazoline containing zinc-binding moiety based derivatives. The cyclodextrin is preferable a β-cyclodextrin or a derivative thereof. The quinazolines have enhanced and unexpected properties as inhibitors of epidermal growth factor receptor tyrosine kinase (EGFR-TK) and their use in the treatment of EGFR-TK related diseases and disorders such as cancer. The said derivatives may further act as HDAC inhibitors.

TARTRATE SALTS OF QUINAZOLINE BASED EGFR INHIBITORS CONTAINING A ZINC BINDING MOIETY

The present invention relates to tartrate salts of quinazoline containing zinc-binding moiety based derivatives that are inhibitors of epidermal growth factor receptor tyrosine kinase (EGFR-TK) and their use in the treatment of EGFR-TK related diseases and disorders such as cancer. The tartrate salts may further act as HDAC inhibitors.

MULTI-FUNCTIONAL SMALL MOLECULES AS ANTI-PROLIFERATIVE AGENTS

The present invention relates to the compositions, methods, and applications of a novel approach to selective inhibition of several cellular or molecular targets with a single small molecule. More specifically, the present invention relates to multi-functional small molecules wherein one functionality is capable of inhibiting histone deacetylases (HDAC) and the other functionality is capable of inhibiting a different cellular or molecular pathway involved in aberrant cell proliferation, differentiation or survival.

Synthesis and SAR of potent EGFR/erbB2 dual inhibitors

A series of 6-alkoxy-4-anilinoquinazoline compounds was prepared and evaluated for in vitro inhibition of the erbB2 and EGFR kinase activity. The IC50 values of the best compounds were below 0.10 uM. Further, several of these compounds inhibit the growth of erbB2 and EGFR over-expressing tumor cell lines at concentrations below 1 uM.

Quinazoline derivatives

The invention concerns quinazoline derivatives of formula wherein n is 1, 2 or 3 and each R2 is independently halogeno; and R1 is di-?(1-4C)alkyl!amino-(2-4C)alkoxy, pryolidin-1-yl-(2-4C)alkoxy,piperidino-(2-4C)alkoxy, morpholino-(2-