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The BI-3802 was designed by Boehringer Ingelheim and could be obtained free of charge through the Boehringer Ingelheim open innovation portal opnMe.com, associated with its negative control.
Gefitinib (ZD1839) acts as a potent, selective, and orally active inhibitor of EGFR tyrosine kinase.
Synonyms: ZD1839
4.5
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Batch number can be found on the product's label following the word 'Batch'.
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CAS No. : | 184475-35-2 |
Formula : | C22H24ClFN4O3 |
M.W : | 446.90 |
SMILES Code : | C1=C3C(=CC(=C1OC)OCCCN2CCOCC2)C(=NC=N3)NC4=CC=C(C(=C4)Cl)F |
Synonyms : |
ZD1839
|
MDL No. : | MFCD04307832 |
InChI Key : | XGALLCVXEZPNRQ-UHFFFAOYSA-N |
Pubchem ID : | 123631 |
GHS Pictogram: |
![]() ![]() ![]() ![]() |
Signal Word: | Danger |
Hazard Statements: | H302-H315-H318-H351-H360-H373-H401-H410 |
Precautionary Statements: | P201-P202-P260-P264-P270-P273-P280-P301+P312+P330-P302+P352-P305+P351+P338+P310-P308+P313-P332+P313-P391-P405-P501 |
Class: | 9 |
UN#: | 3077 |
Packing Group: | Ⅲ |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
84% | 7 - methoxy -6 - [3 - (4 - morpholinyl) propoxy] quinazoline -4 (3H) - ketone (V) (7.5g, 23mmol), thionyl chloride (105 ml) and DMF (1.5g) after mixing the heating to reflux 1 hour, evaporate the solvent. The residue is added toluene (35 ml), concentrated under reduced pressure, repeated 3 times. The residue by adding isopropanol (35 ml), stirring at room temperature for 1 hour, filtered, filters cake Canada to 3 - chloro -4 - fluoro aniline (7.5g, 52mmol) isopropyl alcohol (80 ml) solution, stirring under heating to reflux 1 hour. Cooling to 30 °C, filtering, drying filter cake. The resulting solid re-dissolved in water (100 ml) and heating to the 60 °C PH add saturated sodium hydroxide solution adjusted to 9.5 - 10.0, after cooling crystallization, filtration, the filter cake is recrystallized with ethyl acetate, to obtain 4 - (3 - chloro -4 - fluoro benzyl amidogen) -7 - methoxy -6 - (3 - morpholino-propoxy) quinazoline (I) (8.8g), yield 84percent. | |
82% | With potassium carbonate; In isopropyl alcohol; at 80 - 85℃; for 1h; | To the reaction tank, 121.3 g of 3-chloro-4-fluoroaniline and 1.8 L of isopropanol were added to the whole solution,219.6 g of potassium carbonate was added, 268.2 g of intermediate 1 was added, and the mixture was heated to 80 to 85 ° C for 1 hour.TLC monitoring (MeOH: DCM = 1: 5, ZJ1 Rf = 0.6, product Rf = 0.8), the feed point disappeared.Hot filter, the filtrate cooled to room temperature, get solid, filter, filter cake with leaching of isopropyl alcohol 1.5L after drying,Dried at 50-60 ° C for 6 h under reduced pressure to give crude gefitinib, pale yellow solid 333.5 g, yield: 94percent, HPLC purity 99.3percent Purification of crude gefitinibTo the reaction tank was added gefitinib crude 333.5 g, methyl isobutyl ketone 2L and ethyl acetate 6L, stir, literWarm reflux 3 hours, dissolved, hot filter, the filtrate naturally cooled to 20 ~ 25 ,The crystallization was carried out for 24 hours. The filter cake was dried at a temperature of 88 to 93 ° C under reduced pressure (-0.08 MPa) for 6 hours to obtain 273.5 g of white crystalline powder, which was gefitinib. mp: 193-195 ° C, yield: 82percent. HPLC showed that the single product was less than 0.1percent. |
62.86% | (XII) One-Pot Reaction; (1) Preparation of Gefitinib <strong>[199327-61-2]7-methoxy-6-(3-morpholinopropoxy)-3,4-dihydroquinazolin-4-one</strong> (29.12 g, 0.0913 mol) is dissolved in toluene, Et3N (19 ml, 0.1366 mol) is added at 5° C., and after POCl3 (17.8 ml, 0.1824 mol) is added, reaction is carried out for 3 hours at 70° C. 3-chloro-4-fluoroaniline (15.9 g, 0.1093 mol) mixed into the isopropyl alcohol (10 ml) is added to the above reaction solution, and then stirring is carried out for 1 hour at 70° C. Wheat solid compound is obtained by filter, water (380 ml) is added to dissolve the solid compound entirely, NaOH (30 ml, 20percent) is added, and after stirred for 1 hour, filter is carried out. After dissolved solid and filtered, Gefitinib (25.65 g, 62.86percent) that is white solid compound is obtained, whose purity determined by HPLC is greater than 99.9percent. 1H-NMR (DMSO) spectrum: 2.21 (brs, 2H), 2.84 (brs, 4H), 2.92 (brs, 2H), 3.80 (brs, 4H), 3.99 (s, 3H), 4.28 (brs, 2H), 7.15 (s, 1H), 7.24 (t, 1H, J=8.9 Hz), 7.71 (m, 2H) 8.00 (m, 1H), 8.44 (s, 1H) |
Example 11: Preparation of gefitinib; A mixture of 7-methox^ -6-(3-mophiholin-4-ylpropoxy)-3H-quinazolin-4-one (3.5 g) and thionyl chloride (10.5 ml) was refluxe lor 4 hours. The reaction mass was distilled under reduced pressure to remove excess of thionyl chloride. To the resulting reaction mass, isoamyl alcoho' ("i2.5 ml) was added, followed by addition of 3-chloro-4-fluoro-aniline (1.82 g) and refluxed for 6 houis. Thereafter, reaction mixture was cooled to room temperature, filtered, and distilled to obtain title compound which was further purified with methanol. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With ammonia; In hydrogenchloride; | The starting material was prepared as follows: A suspension of 4-(3-chloro-4-fluoroanilino)-6-(3-morpholinopropoxy)-7-methoxyquinazoline (6.0 g 13.4 mmol), (WO 96 33980), in 6M hydrochloric acid (120 ml) was heated at reflux for 6 hours. The mixture was cooled to 0° C. and carefully neutralised with cooling by addition of concentrated aqueous ammonia. The resulting precipitate was collected by filtration, washed with dilute aqueous ammonia and water and dried under vacuum to give 7-methoxy-6-(3-morpholinopropoxy)-3,4-dihydroquinazolin-4-one (4.2 g). 1H NMR Spectrum: (DMSOd6) 2.4(m, 6H); 3.59(t, 4H); 3.75(t, 2H); 3.90(s, 3H); 4.12(t, 2H); 7.12(s, 1H); 7.43(s, 1H); 7.98(s, 1H); 12.0(br s, 1H). MS-ESI: 320 [MH]+ | |
With ammonia; In hydrogenchloride; | The starting material was prepared as follows: A suspension of 4-(3-chloro-4-fluoroanilino)-7-methoxy-6-(3-morpholinopropoxy)quinazoline (6.0 g, 13.4 mmol), (WO 96/33980), in 6M hydrochloric acid (120 ml) was heated at reflux for 6 hours. The mixture was cooled to 0° C. and carefully, with cooling, was neutralised by addition of concentrated aqueous ammonia. The resulting precipitate was collected by filtration, washed with dilute aqueous ammonia and water and dried under vacuum to give 7-methoxy-6-(3-morpholinopropoxy)-3,4-dihydroquinazolin-4-one (4.2 g, 98percentyield). 1H NMR Spectrum: (DMSOd6) 2.4(m, 6H); 3.59(t, 4H); 3.75(t, 2H); 3.90(s, 3H); 4.12(t, 2H); 7.12(s, 1H); 7.43 (s, 1H); 7.98 (s, 1H); 12.0(br s, 1H) MS-ESI: 320 [MH]+ | |
The 4-amino-7-methoxy-6-(3-morpholinopropoxy)quinazolile used as a starting material was prepared as follows :- A mixture of 4-(3-chloro-4-fluoroanhino)-7-methoxy-6-(3-morpholinopropoxy)quinazoline (International Patent Application WO 96/33 980, Example 1 therein; 6 g) and 6N aqueous hydrochloric acid solution (120 ml) was stirred and heated to reflux for 6 hours. The mixture was cooled to 0° C. and carefully, with cooling, was neutralised by the addition of concentrated aqueous ammonium hydroxide solution. The No. resultant precipitate was isolated, washed in turn with a dilute aqueous ammonium hydroxide solution and with water and dried under vacuum. There was thus obtained 7-methoxy-6-(3-morpholinopropoxy)-3,4-dihydroquinazolin-4-one (4.2 g); NMR Spectrum: (DMSOd6) 2.4 (m, 6H), 3.59 (t, 4H), 3.75 (t, 2H), 3.9 (s, 3H), 4.12 (t, 2H), 7.12 (s, 1H), 7.43 (s, 1H), 7.98 (s, 1H), 12.0 (br s, 1H); Mass Spectrum: M + H+ 320. A mixture of a portion (0.99 g) of the material so obtained, thionyl chloride (10 ml) and DMF (0.1 ml) was stirred and heated to 80° C. for 1.5 hours. The mixture was cooled to ambient temperature, toluene (10 ml) was added and the mixture was evaporated. The residue was partitioned between ethyl acetate and water (the acidity of the aqueous layer being adjusted to pH 7.5 by the addition of 2N aqueous sodium hydroxide solution). The organic layer was washed No. with brine, dried over magnesium sulphate and evaporated. The residue was purified by column chromatography on silica using a 9:1 mixture of methylene chloride and methanol as eluent. The solid so obtained was triturated under hexane, reisolated and washed with diethyl ether. There was thus obtained 4-chloro-7-methoxy-6-(3-morpholinopropoxy)quinazoline (0.614 g); NMR Spectrum: (CDCl3) 2.12 (m, 2H), 2.5 (br s, 4H), No. 2.59 (t, 2H), 3.73 (t, 4H), 4.05 (s, 3H), 4.27 (t, 2H), 7.33 (s, 1H), 7.4 (s, 1H), 8.86 (s, 1H). A mixture of 4-chloro-7-methoxy-6-(3-morpholinopropoxy)quinazoline (1.6 g) and isopropanol (50 ml) was placed in a Carius tube which was cooled to -78° C. prior to the addition of liquid ammonia (10 ml). The Carius tube was sealed and heated to 130° C. for 20 hours. The Carius tube was cooled to ambient temperature, opened and the mixture was evaporated. The residue was triturated under diethyl ether. There was thus obtained 4- No.amino-7-methoxy-6-(3-morpholinopropoxy)quinazoline (containing 2.9 equivalents of ammoniuin chloride; 1.54 g) which was used without further purification. A portion of the material was purified by column chromatography on silica using a 19:1 mixture of methylene chloride and methanol as eluent. The purified product gave the following data :- NMR Spectrum: (DMSOd6) 1.95 (m, 2H), 2.5 (m, 6H), 3.6 (m, 4H), 3.9 (s, 3H), 4.1 (m, 2H), 7.05 (s, 1H), 7.4 (br s, 2H), No. 7.6 (s, 1H), 8.25 (s, 1H); Mass Spectrum: M + H+ 319. |
A mixture of 4-(3-chloro-4-fluoroanilino)-7-methoxy-6-(3-morpholinopropoxy)quinazoline (International Patent Application WO 96/33980, Example 1 therein; 6 g) and 6N aqueous hydrochloric acid solution (120 ml) was stirred and heated to reflux for 6 hours.. The mixture was cooled to 0° C. and carefully, with cooling, was neutralised by the addition of concentrated aqueous ammonium hydroxide solution.. The resultant precipitate was isolated, washed in turn with a dilute aqueous ammonium hydroxide solution and with water and dried under vacuum.. There was thus obtained 7-methoxy-6-(3-morpholinopropoxy)-3,4-dihydroquinazolin-4-one (4.2 g); NMR Spectrum: (DMSOd6) 2.4 (m, 6H), 3.59 (t, 4H), 3.75 (t, 2H), 3.9 (s, 3H), 4.12 (t, 2H), 7.12 (s, 1H), 7.43 (s, 1H), 7.98 (s, 1H), 12.0 (br s, 1H); Mass Spectrum: M+H+ 320. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
5.8 g | With potassium carbonate; In N,N-dimethyl-formamide; at 90℃; for 3h; | Example 1: One kind of gefitinib preparation method, the steps of: three-necked flask 2.0gDMF, 30mL thionyl chloride and 2.9g of raw materials 1 (quinazolin-4-one, 20mmol), was heated to 80 reaction was stirred 3h.After the reaction, the solvent was distilled off under reduced pressure and the unreacted chlorinating agent, to the residue was added 20mL of toluene, concentrated under reduced pressure, was repeated three times.The resulting solid was dissolved in 250mLDMF, followed by adding 8.3gK2CO3, 6.2g side chain 3 (bromopropyl morpholino) side chains and 4.4g 4 (fluorochloroaniline), heated to 90 reaction was stirred 3h.After completion of the reaction, cooled to room temperature, stirring slowly added 1000mL of water, stirring was continued for 2h, after filtration and drying was 6g gefitinib crude.The crude product is recrystallized from ethyl acetate to give 5.8g white powder gefitinib |
Tags: Gefitinib | ZD1839 | ZD 1839 | ZD-1839 | EGFR | autophagy | apoptosis | Epidermal growth factor receptor | NSCLC | 184475-35-2
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