194423-06-8

Usage

Uses

Used in Oncology:
2-ButynaMide, N-[4-[(3-broMophenyl)aMino]-6-quinazolinyl]is used as an anticancer agent for its ability to inhibit EGFR kinase activity (IC50 = 370 pM). It effectively blocks EGF-stimulated autophosphorylation of receptors in cells (IC50 = 5 nM) and halts cell cycling in cells that overexpress EGFR or c-ErbB2 (IC50s = 31-125 nM). When administered orally at 80 mg/kg/day for 10 days, it profoundly inhibits the growth of EGFR-overexpressing tumors in nude mice.
Used in Drug Development:
2-ButynaMide, N-[4-[(3-broMophenyl)aMino]-6-quinazolinyl]is utilized in the development of targeted therapies for cancers driven by overactive EGFR tyrosine kinase activity. Its potent and irreversible inhibition of EGFR kinase makes it a promising candidate for the treatment of cancers with EGFR mutations or overexpression.

Pharmacological activity

Overactivity of epidermal growth factor receptor (EGFR) tyrosine kinase activity has been associated with a number of cancers.CL 387,785 profoundly blocks the growth of EGFR-overexpressing tumors in nude mice when given orally at 80 mg/kg/day for 10 days.

in vitro

cl-387785 covalently bound to egfr. it also specifically inhibited kinase activity of the protein, blocked egf-stimulated autophosphorylation of the receptor in cells, inhibited cell proliferation primarily in a cytostatic manner in cell lines that overexpress egf-r or c-erbb-2 [1].

in vivo

the effects of cl-387785 on tumor growth were assessed in human tumor xenografts implanted s.c. in the flanks of nude mice. cl-387785 inhibited the growth of tumors derived from a431 cells when the drug was administered i.p. or p.o.. inhibitory effects were observed within 7 days after the onset of therapy. no efficacy was observed with cl-387785 in tumors derived from cell lines that did not overexpress egf-r, including the human breast carcinoma mda-mb-435 [1].

IC 50

370 pm

references

[1] discafani cm, carroll ml, floyd mb jr, hollander ij, husain z, johnson bd, kitchen d, may mk, malo ms, minnick aa jr, nilakantan r, shen r, wang yf, wissner a, greenberger lm. irreversible inhibition of epidermal growth factor receptor tyrosine kinase with in vivo activity by n-[4-[(3-bromophenyl)amino]-6-quinazolinyl]-2-butynamide (cl-387,785). biochem pharmacol. 1999 apr 15;57(8):917-25.

Upstream product

• 591-19-5 m-Bromoaniline 
• 109-02-4 4-methyl-morpholine 
• 590-93-2 2-Butynoic acid 
• 169205-78-1 6-amino-4-[(3-bromophenyl)amino]quinazoline 
• 543-27-1 isobutyl chloroformate 
• 194423-18-2 but-2-ynoic acid [3-cyano-4-(dimethylamino-methyleneamino)-phenyl]-amide 
• 208533-38-4 [4-chloro-6-quinazolinyl]-2-butynamide 
• 169205-77-0 6-nitro-4-(3-bromophenylaniline)quinazoline 
• 17420-30-3 5-nitroanthranilonitrile 

Relevant academic research and scientific papers

Tyrosine kinase inhibitors. 19. 6-alkynamides of 4-anilinoquinazolines and 4-anilinopyrido[3,4-d]pyrimidines as irreversible inhibitors of the erbB family of tyrosine kinase receptors

Structure-activity relationships for inhibition of erbB1, erbB2, and erbB4 were determined for a series of alkynamide analogues of quinazoline- and pyrido[3,4-ui]pyrimidine-based compounds. The compounds were prepared by coupling the appropriate 6-aminoquinazolines or 6-aminopyrido[3,4-d]pyrimidines with alkynoic acids, using EDCI·HCl in pyridine. The compounds showed pan-erbB enzyme inhibition but were on average about 10-fold more potent against erbB1 than against erbB2 and erbB4. For cellular inhibition, the nature of the alkylating side chains was an important determinant, with 5-dialkylamino-2- pentynamide type Michael acceptors providing the highest potency. This is suggested to be due to an improved ability of the amine to participate in an autocatalysis of the Michael reaction with enzyme cysteine residues. Pyrido[3,4-d]pyrimidine analogue 39 was selected for in vivo evaluation and achieved tumor regressions at 10 mg/kg in the A431 human epidermoid carcinoma and at 40 mg/kg for the SF767 human glioblastoma and the SKOV3 human ovarian carcinoma. Complete stasis was observed at 40 mg/kg in the BXPC3 human pancreatic carcinoma as well as in the H125 human non-small-cell lung carcinoma.

SUBSTITUTED QUINAZOLINE DERIVATIVES AND THEIR USE AS TYROSINE KINASE INHIBITORS

This invention provides compounds of formula (1) wherein X is C3-7 cycloalkyl, pyridinyl, pyrimidinyl or phenyl ring optionally substituted as described in claim 1, R1, R3 and R4 are chosen from the groups listed in claim 1. R2 is chosen from various unsaturated acyl groups listed in claim 1, with certain compounds being disclaimed. Use as tyrosine kinase inhibitors for the treatment of cancer and certain kidney diseases such as polycystic kidney disease.

USE OF QUINAZOLINE COMPOUNDS FOR THE TREATMENT OF POLYCYSTIC KIDNEY DISEASE

This invention provides a method of treating or inhibiting polycystic kidney disease in a mammal in need thereof which comprises administering to said mammal a compound having formula (1) wherein X is phenyl which is optionally substituted; R and R1 are each, independently, hydrogen, halogen, alkyl, alkoxy, hydroxy, or trifluoromethyl; R2 is hydrogen, alkyl, alkoxy, hydroxy, trifluoromethyl; Y is a radical selected from the group consisting of (a), (b), (c), (d), (e), (f) and (g); R3 is independently hydrogen, alkyl, carboxy, carboalkoxy, phenyl, or carboalkyl; n = 2-4; or a pharmaceutically acceptable salt thereof, with the proviso that each R3 of Y may be the same or different.

Irreversible inhibitors of tyrosine kinases

The present invention provides compounds that are irreversible inhibitors of tyrosine kinases. Also provided is a method of treating cancer, restenosis, atherosclerosis, endometriosis, and psoriasis and a pharmaceutical composition that comprises a compound that is an irreversible inhibitor of tyrosine kinases.

Method of treating or inhibiting colonic polyps

This invention provides a method of treating or inhibiting colonic polyps in a mammal in need thereof which comprises administering to said mammal a compound having the formula wherein:X is phenyl which is optionally substituted;R and R1 are each, independently, hydrogen, halogen, alkyl, alkoxy, hydroxy, or trifluoromethyl;R2 is hydrogen, alkyl, alkoxy, hydroxy, trifluoromethyl;Y is a radical selected from the group consisting of R3 is independently hydrogen, alkyl, carboxy, carboalkoxy, phenyl, or carboalkyl;n=2-4;or a pharmaceutically acceptable salt thereof, with the proviso that each R3 of Y may be the same or different.

Substituted quinazoline derivatives

This invention provides compounds of formula 1 having the structure wherein: X, R1, R2, R3, R4, Z, X, and n are as defined hereinbefore in the specification, which are useful as antineoplastic agents and in the treatment of certain kidney diseases, such as polycystic kidney disease.

6-Substituted-4-(3-bromophenylamino)quinazolines as putative irreversible inhibitors of the epidermal growth factor receptor (EGFR) and human epidermal growth factor receptor (HER-2) tyrosine kinases with enhanced antitumor activity

A series of new 6-substituted-4-(3-bromophenylamino)quinazoline derivatives that may function as irreversible inhibitors of epidermal growth factor receptor (EGFR) and human epidermal growth factor receptor (HER-2) tyrosine kinases have been prepared. These inhibitors have, at the C-6 position, butynamide, crotonamide, and methacrylamide Michael acceptors bearing water-solublilizing substituents. These compounds were prepared by acylation of 6-amino-4-(3-bromophenylamino)quinazoline with unsaturated acid chlorides or mixed anhydrides. We show that attaching a basic functional group onto the Michael acceptor results in greater reactivity, due to intramolecular catalysis of the Michael addition and/or an inductive effect of the protonated basic group. This, along with improved water solubility, results in compounds with enhanced biological properties. We present molecular modeling and experimental evidence that these inhibitors interact covalently with the target enzymes. One compound, 16a, was shown to have excellent oral activity in a human epidermoid carcinoma (A431) xenograft model in nude mice.

Method of treating polycystic kidney disease

This invention provides a method of treating or inhibiting polycystic kidney disease in a mammal in need thereof which comprises administering to said mammal a compound having the formula STR1 wherein: X is phenyl which is optionally substituted; R and R1 are each, independently, hydrogen, halogen, alkyl, alkoxy, hydroxy, or trifluoromethyl; R2 is hydrogen, alkyl, alkoxy, hydroxy, trifluoromethyl; Y is a radical selected from the group consisting of STR2 R3 is independently hydrogen, alkyl, carboxy, carboalkoxy, phenyl, or carboalkyl; n=2-4; or a pharmaceutically acceptable salt thereof, with the proviso that each R3 of Y may be the same or different.