Dayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantiti
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inquiryProduct description: Product name 2,4-Dichloroquinazoline CAS number 607-68-1 Assay ≥99% Appearance White crystalline powder Capacity 200mt/year Application Pharmaceutical in
Cas:607-68-1
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inquiryUnique advantages for 2,4-Dichloroquinazoline Cas 607-68-1 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:Store at room Package:1kg/bag Application:Intermedia
Cas:607-68-1
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inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
1.Product name: 2,4-dichloroquinazoline 2.CAS No. 607-68-1 3.MF: C8H4Cl2N2 4.Assay:98.0%min 5.Appearance: White crystal ISO9001 Appearance:White crystal Storage:Store in dry and cool place with good seal Package: 25kg/drum, or as per your re
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inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap
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inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:607-68-1
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inquiryProduct Name: 2,4-Dichloroquinazoline Synonyms: QUINAZOLINE, 2,4-DICHLORO-;IFLAB-BB F2108-0057;2,4-DICHLOROQUINAZOLINE;2,4-Dichloroquinazol;QUINAZOLINE,2,4-DICHLORO-6,7-DIMETHOXY-;2,4-Dichloroquinazoline ,9
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Cas:607-68-1
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inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:607-68-1
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Cas:607-68-1
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inquiry2,4-Dichloroquinazoline CAS 607-68-1 Our advantage: 1. Deeply cultivated in chemical foreign trade for many years, rich industry experience 2. Direct sales by chemical raw material manufacturers, low prices 3.Excellent scientific research team to
Cas:607-68-1
Min.Order:10 Gram
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Cas:607-68-1
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inquiryName: Quinazoline,2,4-dichloro- Synonyms: R793; QUI036; A15217; CD-991; WT2130; A-2592; AC-712; GL-1013; RP11666; DE-0057; 607d681; AN-2709; AB03291; AT-15469; HE020213; AK-28695; SC-05676; SY003248; AJ-29351; BR-28695; BP-10513; ACT01917; CJ-27293;
Cas:607-68-1
Min.Order:1 Kilogram
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Price, service, company and transport advantage: 1.place of origin china with super quality by reasonable price. 2. it's customers' right to choose the package (ems, dhl, fedex, ups); 3. it's custo
Cas:607-68-1
Min.Order:10 Gram
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Type:Trading Company
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Cas:607-68-1
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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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Cas:607-68-1
Min.Order:10 Gram
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Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used for active pharmaceutical ingr
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Cas:607-68-1
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inquiryConditions | Yield |
---|---|
With trichlorophosphate at 115℃; for 16h; | 100% |
With trichlorophosphate at 115℃; for 16h; | 100% |
With trichlorophosphate for 18h; Heating / reflux; | 96% |
Conditions | Yield |
---|---|
With pyridine; tetrachloromethane; titanium(IV) oxide; vanadia; tungsten(VI) oxide; tin(IV) oxide In N,N-dimethyl-formamide at 120 - 230℃; under 2250.23 - 6000.6 Torr; for 32h; Solvent; Temperature; Pressure; Reagent/catalyst; | 99.1% |
Conditions | Yield |
---|---|
With trichlorophosphate for 2.5h; Heating / reflux; | 99% |
With N-ethyl-N,N-diisopropylamine; trichlorophosphate at 110℃; for 3h; | 98.4% |
With N-ethyl-N,N-diisopropylamine; trichlorophosphate at 90℃; for 6h; | 95% |
bis(trichloromethyl) carbonate
anthranilic acid nitrile
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
Stage #1: bis(trichloromethyl) carbonate With triethylamine; Triphenylphosphine oxide In chlorobenzene at 20℃; for 0.5h; Cooling with ice; Stage #2: anthranilic acid nitrile In chlorobenzene at 120℃; for 6h; | 95% |
Stage #1: bis(trichloromethyl) carbonate With triethylamine; Triphenylphosphine oxide In chlorobenzene at 0℃; for 0.5h; Stage #2: anthranilic acid nitrile In chlorobenzene at 120℃; for 5h; | 45% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; trichlorophosphate at 100℃; for 4h; Sealed tube; | 93% |
3-(hydroxyimino)indolin-2-one
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
With bis(trichloromethyl) carbonate; Tris(4-methoxyphenyl)phosphine oxide In chlorobenzene at 120℃; for 3h; Mechanism; Reagent/catalyst; | 93% |
Conditions | Yield |
---|---|
With trichlorophosphate at 80 - 85℃; for 0.5h; | 90% |
Conditions | Yield |
---|---|
With 1-Methylpyrrolidine; trichlorophosphate at 20 - 25℃; for 0.5h; | 90% |
N-tert-butyl-pyrrolidine
1,2,3,4-tetrahydro-quinazoline-2,4-dione
A
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 88.5% B n/a |
anthranilic acid nitrile
trichloromethyl chloroformate
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
In acetonitrile at 130℃; for 12h; | 86% |
Conditions | Yield |
---|---|
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 84.6% B n/a |
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
With N,N-dimethyl-formamide; trichlorophosphate | 80% |
1-Methylpyrrolidine
1,2,3,4-tetrahydro-quinazoline-2,4-dione
A
2,4-dichloroquinazoline
B
4-chloro-2-quinazoline
Conditions | Yield |
---|---|
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 3.3% B 77.3% |
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 3.3% B 77.3% |
With trichlorophosphate at 20 - 25℃; for 0.166667h; | A 12.7% B 70.5% |
2,4-dioxo-1,2,3,4-tetrahydroquinoline
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
Stage #1: 2,4-dioxo-1,2,3,4-tetrahydroquinoline With trichlorophosphate for 48h; Reflux; Stage #2: With water at 30℃; | 71% |
1,2,3,4-tetrahydro-quinazoline-2,4-dione
A
2,4-dichloroquinazoline
B
4-chloro-2-quinazoline
Conditions | Yield |
---|---|
With 1-methyl-pyrrolidin-2-one; trichlorophosphate at 20 - 25℃; for 0.166667h; | A 12.7% B 70.5% |
N-propylpyrrolidine
1,2,3,4-tetrahydro-quinazoline-2,4-dione
A
2,4-dichloroquinazoline
B
4-chloro-2-(N-propyl-4-chlorobutylamino)quinazoline
Conditions | Yield |
---|---|
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 19.5% B 59.4% |
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 19.5% B 59.4% |
1-ethylpyrrolidine
1,2,3,4-tetrahydro-quinazoline-2,4-dione
A
2,4-dichloroquinazoline
B
4-chloro-2-(N-ethyl-4-chlorobutylamino)quinazoline
Conditions | Yield |
---|---|
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 17.9% B 58.7% |
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 17.9% B 58.7% |
1-butylpyrrolidine
1,2,3,4-tetrahydro-quinazoline-2,4-dione
A
2,4-dichloroquinazoline
B
4-chloro-2-(N-butyl-4-chlorobutylamino)quinazoline
Conditions | Yield |
---|---|
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 48.5% B 34.7% |
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 48.5% B 34.7% |
N-methylcyclohexylamine
1,2,3,4-tetrahydro-quinazoline-2,4-dione
A
2,4-dichloroquinazoline
B
(5-Chloro-pentyl)-(4-chloro-quinazolin-2-yl)-methyl-amine
Conditions | Yield |
---|---|
With trichlorophosphate at 80 - 85℃; for 0.333333h; | A 41.9% B 28.2% |
Conditions | Yield |
---|---|
With phosphorus pentachloride at 160 - 170℃; im Rohr; |
1-Methylpyrrolidine
1,2,3,4-tetrahydro-quinazoline-2,4-dione
A
2-chloro-4(3H)-quinazolinone
B
2,4-dichloroquinazoline
C
4-chloro-2-quinazoline
D
2--4(3H)-quinazoline
Conditions | Yield |
---|---|
With trichlorophosphate Product distribution; Mechanism; ratio of products vs. conditions; |
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
With phosphorus pentachloride; phosphorus trichloride at 150 - 160℃; im Rohr; | |
With phosphorus pentachloride; trichlorophosphate |
3-methyl-2,4(1H,3H)-quinazolinedione
phosphorus pentachloride
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
at 160 - 170℃; im Rohr; |
phosphorus pentachloride
1,2,3,4-tetrahydro-quinazoline-2,4-dione
trichlorophosphate
2,4-dichloroquinazoline
phosphorus pentachloride
1,2,3,4-tetrahydro-quinazoline-2,4-dione
phosphorus trichloride
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
at 150 - 160℃; im Rohr; |
N-(2-Cyanophenyl)-2,2,2-trifluoroacetamide
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. K2CO3 / methanol / 12 h / 20 °C 2: 86 percent / acetonitrile / 12 h / 130 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: dimethylformamide / 0.5 h / 20 °C 2: dimethylformamide / 0.5 h / 100 °C 3: aq. K2CO3 / methanol / 12 h / 20 °C 4: 86 percent / acetonitrile / 12 h / 130 °C View Scheme |
2,2,2-trifluoro-N-(2-iodophenyl)acetamide
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: dimethylformamide / 0.5 h / 100 °C 2: aq. K2CO3 / methanol / 12 h / 20 °C 3: 86 percent / acetonitrile / 12 h / 130 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: ICl / dimethylformamide / 0.5 h / 20 °C 2: dimethylformamide / 0.5 h / 20 °C 3: dimethylformamide / 0.5 h / 100 °C 4: aq. K2CO3 / methanol / 12 h / 20 °C 5: 86 percent / acetonitrile / 12 h / 130 °C View Scheme |
2,4-dichloroquinazoline
2-chloro-quinazolin-4-ylamine
Conditions | Yield |
---|---|
With ammonia In methanol at 20℃; Substitution; | 100% |
With ammonium hydroxide at 20℃; for 28.5h; | 96% |
With ammonia In tetrahydrofuran; water at 20℃; | 72% |
1-methyl-piperazine
2,4-dichloroquinazoline
2-chloro-4-(4-methylpiperazin-1-yl)quinazoline
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In ethyl acetate at 0 - 20℃; for 1.5h; | 100% |
Stage #1: 1-methyl-piperazine; 2,4-dichloroquinazoline In tetrahydrofuran for 3.5h; Stage #2: With sodium hydroxide In tetrahydrofuran; dichloromethane; water | 96% |
With sodium carbonate In ethanol Heating; | 87% |
In tetrahydrofuran at 20℃; Condensation; |
2,4-dichloroquinazoline
3-methyl-5-aminopyrazole
2-chloro-N-(5-methyl-1H-pyrazol-3-yl)quinazolin-4-amine
Conditions | Yield |
---|---|
With triethylamine In ethanol at 20℃; | 100% |
With triethylamine In ethanol at 20℃; for 3h; | |
In ethanol |
2,4-dichloroquinazoline
N-(3-aminophenyl)cyclopropanesulfonamide
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In isopropyl alcohol for 16h; Reflux; | 100% |
With N-ethyl-N,N-diisopropylamine In isopropyl alcohol for 16h; Reflux; | 100% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran | 100% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran | 100% |
2,4-dichloroquinazoline
4-(naphthalene-2-yl)phenylboronic acid pinacol ester
C24H15ClN2
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In ethanol; water; toluene at 100℃; for 5h; | 99.9% |
Conditions | Yield |
---|---|
Stage #1: TETRAHYDROFURFURYLAMINE With triethylamine In methanol at 0℃; for 0.166667h; Inert atmosphere; Stage #2: 2,4-dichloroquinazoline In methanol; dichloromethane at 0 - 20℃; for 0.5h; Inert atmosphere; | 99% |
Stage #1: TETRAHYDROFURFURYLAMINE With triethylamine In methanol at 0℃; for 0.166667h; Inert atmosphere; Stage #2: 2,4-dichloroquinazoline In methanol; dichloromethane at 0 - 20℃; for 0.5h; Inert atmosphere; | 99% |
With sodium acetate In tetrahydrofuran; water at 65℃; | 82% |
With sodium hydroxide 1.) THF, 30 min, 2.) THF, 30 min; Multistep reaction; | |
With sodium acetate In tetrahydrofuran; water at 60℃; |
2,4-dichloroquinazoline
4-chloro-3-ethoxyphenylamine
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In isopropyl alcohol for 18h; Reflux; | 99% |
With N-ethyl-N,N-diisopropylamine In isopropyl alcohol for 18h; Reflux; | 99% |
Conditions | Yield |
---|---|
Stage #1: 2,4-dichloroquinazoline With sodium hydride at 17 - 24℃; for 4h; Inert atmosphere; Stage #2: With acetic acid In water at 21 - 24℃; Inert atmosphere; | 98.4% |
With sodium hydroxide In tetrahydrofuran; water | 96% |
With sodium hydroxide In tetrahydrofuran at 20℃; Inert atmosphere; | 91% |
1-(2-aminoethyl)pyrrolidine
2,4-dichloroquinazoline
2-chloro-N-<2-(1-pyrrolidinyl)ethyl>-4-quinazolinamine
Conditions | Yield |
---|---|
In diethyl ether at 20℃; for 12h; | 98% |
With N-ethyl-N,N-diisopropylamine In acetonitrile at 20℃; for 18h; | 65% |
In diethyl ether for 1.5h; | 56% |
Conditions | Yield |
---|---|
With sodium acetate In tetrahydrofuran; water at 60℃; for 0.75h; | 98% |
With sodium acetate In tetrahydrofuran; water at 60℃; for 0.75h; | 98% |
2,4-dichloroquinazoline
glycine ethyl ester hydrochloride
methyl-2-(2-chloroquinazolin-4-ylamino)acetate
Conditions | Yield |
---|---|
With triethylamine In ethanol at 70℃; for 16h; | 98% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; | 97% |
With triethylamine In tetrahydrofuran for 0.5h; Reflux; | 92% |
With triethylamine In tetrahydrofuran at 60℃; for 1h; | 88% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In isopropyl alcohol Substitution; Heating; | 97% |
With sodium acetate In tetrahydrofuran; water at 65℃; | 94% |
With triethylamine In tetrahydrofuran at 60℃; | 89% |
orcinol
2,4-dichloroquinazoline
3,5-bis(2-chloroquinazolin-4-yloxy)toluene
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In acetone at 20℃; for 48h; Inert atmosphere; regioselective reaction; | 97% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; Inert atmosphere; | 97% |
Stage #1: 3-Aminomethylpyridine With triethylamine In tetrahydrofuran at 20℃; for 0.166667h; Stage #2: 2,4-dichloroquinazoline In tetrahydrofuran at 20℃; | 92.3% |
With triethylamine In tetrahydrofuran at 20℃; |
Conditions | Yield |
---|---|
With methanol at 20℃; for 48h; | 96% |
In methanol at 20℃; for 48h; | 96% |
With methanol; phenol |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water at 75℃; | 95.5% |
2,4-dichloroquinazoline
4-methoxy-aniline
2-chloro-N-(4-methoxyphenyl)quinazolin-4-amine
Conditions | Yield |
---|---|
With sodium acetate In tetrahydrofuran; water at 65℃; for 1h; | 95% |
With hydrogenchloride In water; isopropyl alcohol at 20℃; | 77% |
With triethylamine In tetrahydrofuran at 30℃; | 69.2% |
With sodium acetate In tetrahydrofuran; water | 43% |
2,4-dichloroquinazoline
4-phenoxyanilin
(2-chloro-quinazolin-4-yl)-(4-phenoxy-phenyl)-amine
Conditions | Yield |
---|---|
With sodium acetate In tetrahydrofuran; water at 60℃; | 95% |
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; | 95% |
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; | 67% |
2-pyridin-3-ylethylamine
2,4-dichloroquinazoline
Conditions | Yield |
---|---|
Stage #1: 2-pyridin-3-ylethylamine With triethylamine In tetrahydrofuran at 20℃; for 0.166667h; Stage #2: 2,4-dichloroquinazoline In tetrahydrofuran at 20℃; | 94.3% |
2,4-dichloroquinazoline
2-aminomethylpyrazine
Conditions | Yield |
---|---|
Stage #1: 2-aminomethylpyrazine With triethylamine In tetrahydrofuran at 20℃; for 0.166667h; Stage #2: 2,4-dichloroquinazoline In tetrahydrofuran at 20℃; | 94.2% |
With triethylamine In tetrahydrofuran at 20℃; |
2,4-dichloroquinazoline
dimethyl amine
2-chloro-N,N-dimethylquinazolin-4-amine
Conditions | Yield |
---|---|
In tetrahydrofuran; water at 20℃; for 1.33333h; | 94% |
In tetrahydrofuran; water at 20℃; for 1.33333h; | 94% |
In tetrahydrofuran; water at 4 - 20℃; for 1.33333h; | 94% |
With triethylamine In water; N,N-dimethyl-formamide at 20℃; Ice cooling; | |
With sodium acetate In tetrahydrofuran; water | 0.037 g |
2,4-dichloroquinazoline
methylamine
2-chloro-4-(N-methylamino)quinazoline
Conditions | Yield |
---|---|
In tetrahydrofuran; water at 20℃; for 0.666667h; | 94% |
With sodium acetate In tetrahydrofuran; water at 65℃; | 92% |
With N-ethyl-N,N-diisopropylamine In ethanol at 20℃; for 4.5h; Inert atmosphere; | 91% |
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