98556-31-1

Usage

Uses

4-Chloro-6-iodoquinazoline is an intermediate in the synthesis of Lapatinib (L175800).

InChI:InChI=1/C8H4ClIN2/c9-8-6-3-5(10)1-2-7(6)11-4-12-8/h1-4H

Upstream product

• 16064-08-7 6-iodoquinazolin-4(3H)-one 
• 5326-47-6 2-amino-5-iodobenzoic acid 
• 16064-08-7 6-iodo-1H-quinazolin-4-one 
• 79-37-8 oxalyl dichloride 
• 68-12-2 N,N-dimethyl-formamide 
• 77317-55-6 methyl 2-amino-5-iodobenzoate 
• 16064-08-7 6-iodo-4-hydroxyquinazoline 

Downstream Products

• 99071-39-3 2-(6-iodoquinazolin-4-ylamino)ethanol 
• 578737-95-8 N-(3-chloro-4-fluorophenyl)-6-iodo-4-quinazolinamine 
• 202198-16-1 (4-Benzyloxy-phenyl)-(6-iodo-quinazolin-4-yl)-amine 
• 320337-46-0 (6-iodo-((4-benzyloxy)-3-chlorophenyl)-quinazolin-4-yl)amine 
• 231278-26-5 (6-iodo-(4-(3-trifluoromethylbenzyloxy)-phenyl)-quinazolin-4-yl)amine 
• 231278-20-9 N-(3-chloro-4-(3-fluorobenzyloxy)phenyl)-6-iodoquinazolin-4-amine 
• 202198-17-2 (1-Benzyl-1H-indazol-5-yl)-(6-iodoquinazolin-4-yl)-amine 
• 959857-89-7 C₆H₃ICN₂CHOCH₂CH₂OH 
• 16064-08-7 6-iodo-4-hydroxyquinazoline 
• 320337-28-8 5-(4-(3-Bromo-4-(benzyloxy)-anilino)-quinazolin-6-yl)-furan-2-carbaldehyde 
• 231278-75-4 5-{4-[4-(3-trifluoromethyl-benzyloxy)-phenylamino]-quinazolin-6-yl}-furan-2-carbaldehyde 
• 320337-48-2 4-(3-chloro-4-(3-fluorobenzyloxy)phenylamino)-6-(5-hydroxymethylfuran-2-yl)quinazoline 
• 231277-92-2 lapatanib 

Relevant academic research and scientific papers

Intramolecular Ring-Opening of Oxetanes: Access to Functionalised Hydroxymethyl 2,3-Dihydroimidazo[1,2- c ]quinazolines

An intramolecular oxetane ring-opening was developed, affording novel 2-(hydroxymethyl)-2,3-dihydroimidazo[1,2- c ]quinazolines from N -(3-methyloxetan-3-yl)quinazolin-4-amines under mild conditions. The resulting medicinally relevant tricyclic scaffolds were synthesised in good yields with diverse substituents. Moreover, reaction optimisation led to the development of a one-pot procedure.

Design, synthesis, and anticancer activities of sodium quinazolin-4-diselenide compounds

Substituted 4-chloroquinazoline reacted with sodium diselenide to give novel sodium quinazoline-4-diselenide compounds. The reaction provides an efficient and facile approach to the synthesis of sodium quinazoline-4-diselenide compounds. Structures of title compounds were confirmed by IR, 1H NMR, 13C NMR, and elemental analysis. MTT assay was adopted to show anticancer activities of the compounds. Compounds 5a and 5h showed good activities against cancer-cell lines MDA-MB-435, MDA-MB-231, A549, SiHa, and HeLa. In addition, 5a exhibited quite good anticancer effects on relative above cell lines with 10μM concentration compared with oxaliplatin and gefitinib of the commercial anticancer drugs.

Design, Synthesis and Bioevaluation of Two Series of 3-[(1-Benzyl-1H-1,2,3-triazol-4-yl)methyl]quinazolin-4(3H)-ones and N-(1-Benzylpiperidin-4-yl)quinazolin-4-amines

Two series of 3-[(1-benzyl-1H-1,2,3-triazol-4-yl)methyl]quinazolin-4(3H)-ones and N-(1-benzylpiperidin-4-yl)quinazolin-4-amines were designed initially as potential acetylcholine esterase inhibitors. Biological evaluation demonstrated that N-(1-benzylpiperidin-4-yl)quinazolin-4-amines significantly inhibited AChE activity. Especially, two compounds of them were found to be the most potent with relative AChE inhibition percentages of 87 percent in comparison to donepezil. The docking studies with AChE showed similar interactions between donepezil and four derivatives. N-(1-Benzylpiperidin-4-yl)quinazolin-4-amines also exhibited significant DPPH scavenging effects. The two series of compound also exerted moderate to good cytotoxicity against three human cancer cell lines, including SW620 (human colon cancer), PC-3 (prostate cancer), and NCI?H23 (lung cancer), with 3-[(1-benzyl-1H-1,2,3-triazol-4-yl)methyl]quinazolin-4(3H)-one being the most cytotoxic agent. 3-[(1-Benzyl-1H-1,2,3-triazol-4-yl)methyl]quinazolin-4(3H)-one significantly induced early apoptosis and arrested the SW620 cells at G2/M phase. From this study, two compounds of N-(1-benzylpiperidin-4-yl)quinazolin-4-amines could serve as new leads for further design and AChE inhibitors, while 3-[(1-benzyl-1H-1,2,3-triazol-4-yl)methyl]quinazolin-4(3H)-one could serve as a new lead for the design and development of more potent anticancer agents.

Hetero-aromatic compound and its use in medicine

The invention provides a hetero-aromatic compound or a stereisomer, geometric isomer, tautomer, despinner, nitrogen oxide, hydrate, solvate, metabolite, metabolism precursor and pharmaceutically acceptable salt or prodrug thereof, which is used for treating proliferative diseases. The invention also discloses a pharmaceutical composition containing the compound and an application of the compound or pharmaceutical composition thereof in preparation of a medicine for treating proliferative diseases.

A process for preparing the lapatinib method and intermediate (by machine translation)

A through novel intermediate to prepare lapatinib or its pharmaceutically acceptable salt of the method, the method using 5 - bromo furfural and and 2 - nitrobenzene formic acid as the starting material through the Suzuki coupling reaction. This kind of synthetic pulls the handkerchief to raise nepal method can reach 32.2% overall yield. (by machine translation)

Novel compound having tumor diagnosis or tumor growth inhibitory activity on EGFR mutant and medical uses comprising the same

The present invention relates to a novel compound having activities of diagnosing a tumor having an epidermal growth factor receptor (EGFR) mutant and inhibiting tumor growth, a salt thereof, a contrast medium comprising the same, and a pharmaceutical composition for treating or preventing EGFR-related cancer diseases comprising the same as an active ingredient. The novel compound or the salt thereof according to the present invention does not inhibit a wild type EGFR but selectively inhibits an EGFR variant, and thus can treat and prevent EGFR-related cancer diseases, including lung cancer, colon cancer or breast cancer. Particularly, the compound or the salt thereof according to the present invention can effectively treat and prevent non-small cell lung cancer upon which Iressa or Tarceva cannot have any significant effect. In addition, the compound or the salt thereof according to the present invention responses with a target of Gefitinib-sensitive cancer cells or cancer cells showing EGFR T790M mutation rather than wild type EGFR over-expressed cancer cells, and thus can be used advisably as a contrast medium capable of clearly differentiating EGFR-related cancer cells by imaging.COPYRIGHT KIPO 2017

Compounds capable of inhibiting ErbB/HDAC and preparation method thereof, and pharmaceutical composition comprising compounds and application thereof

The invention relates to compounds capable of inhibiting ErbB/HDAC and a preparation method thereof, and a pharmaceutical composition comprising the compounds and application thereof. The compounds are disclosed as Formula 1. The compounds or pharmaceutically acceptable salts, solvates, esters, acids, metabolites or prodrugs thereof, or the pharmaceutical composition comprising the compounds can be used for preparing ErbB kinases and HDAC activity inhibitors and also preparing ErbB-kinase/HDAC-activated mediated disease curatives.

Synthesis and investigation of novel 6-(1,2,3-triazol-4-yl)-4-aminoquinazolin derivatives possessing hydroxamic acid moiety for cancer therapy

By merging the critical pharmacophore of EGFR/HER2 and HDAC inhibitors into one compound, a novel series of EGFR, HER-2, and HDAC multitarget inhibitors were synthesized. Compounds 9a–l contained 4-anilinoquinazolines with C-6 triazole-linked long alkyl chains of hydroxamic acid and displayed excellent inhibition against these enzymes (compound 9d exhibited the best inhibitory potency on wild-type EGFR, HDAC1, and HDAC6 with IC50values 0.12 nM, 0.72 nM and 3.2 nM individually). Furthermore, compounds 9b and 9d potently inhibited proliferation of five human cancer cell lines (with IC50values between 0.49 and 8.76 μM). Further mechanistic study revealed that compound 9d also regulated the phosphorylation of EGFR and HER2 and histone H3 hyperacetylation on the cellular level and induced remarkable apoptosis in BT-474 cells. Therefore, our study suggested that a system network-based multi-target drug design strategy might provided an alternate drug design method, by taking into account the synergy effect of EGFR, HER-2 and HDAC.

Discovery of ErbB/HDAC inhibitors by combining the core pharmacophores of HDAC inhibitor vorinostat and kinase inhibitors vandetanib, BMS-690514, neratinib, and TAK-285

By combining the core pharmacophores of HDAC inhibitor vorinostat and kinase inhibitors vandetanib, BMS-690514, neratinib, and TAK-285 with 1,2,3-triazole as linker, eight novel 6-substituted-4-aminoquinazolin derivatives were synthesized and characterized by 1H NMR, 13C NMR, and high resolution mass spectrometry. Their inhibitory activities against five enzymes (VEGFR2, HER2, EGFR, HDAC1, and HDAC6) and five cancer cell lines (A549, BT-474, A431, SK-BR-3, and NCI-H1975) were evaluated. The bioassay results show that the introduction of triazole linked vorinostat-like segment dramatically changed the selectivity profiles of newly synthetic compounds relative to vandetanib, BMS-690514, neratinib, and TAK-285. Among them, compound 6b exerted outstanding enzymatic and cellular activities through its simultaneous and synergistic inhibitions on multiple pathways, which might have the great potential to confer the better benefits than single-targeted inhibitors in cancer therapy.

Kuikui zuo lin kind of target anti- tumor compound and its preparation method and application (by machine translation)

The present invention provides a chemical formula (I) indicated by the kuikui zuo lin kind of target anti- tumor compound and its preparation method, in particular to EGFR, HER - 2 and DNA multi-target anti- tumor compounds, also provides a method for preparing the same and in the application of the anti-tumor medicament. Studies show that the compounds of the invention have significant anti-tumor activity, metabolic stability relative to the reference substance EMB - 3 is improved notably. (by machine translation)