Products

Refine

Country

Business Type

Certificate

Display

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one Manufacturer/High quality/Best price/In stock

Cas:13794-72-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 6,7-Dimethoxy-4(1H)-Quinazolinone New supplier in China

Cas:13794-72-4

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product Name 6,7-Dimethoxy-3,4-dihydroquinazoline-4-one CAS No. 13794-72-4

6.7-Dimethoxy-3.4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:10 Gram

FOB Price: $20.0 / 30.0

Type:Lab/Research institutions

inquiry

ANQING CHICO PHARMACEUTICAL CO.,LTD.

High quality. Factory supply. In stock. Best price.1.Quick response within 24 hours;2.Best quality in your requirement;?3.We pay more attention on delivery time, and usually ship on time;4.Under the premise of safety and effectiveness, we can produce

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

6,7-Dimethyl-3,4-dihydro-4-quinazolinone

Cas:13794-72-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.

13794-72-4 6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Factory direct supply CAS 13794-72-4 with best quality

Cas:13794-72-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one 13794-72-4

Cas:13794-72-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Basic Info. Model NO. BLOOM TECH Chemical Reagent Store Temperature 2-8 Degree Store pH 7-9 Trademark BLOOM TECH Transport Package Enterprise Standard or Customization Specification As UN request Origin China HS Code 2934999099 App

Chemical Reagent Bloom Tech CAS 13794-72-4 6, 7-Dimethoxyquinazolin-4 (3H) -One

Cas:13794-72-4

Min.Order:1 Kilogram

FOB Price: $20.0 / 80.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one CAS:13794-72-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in hi

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one CAS:13794-72-4

Cas:13794-72-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

6,7-Dimethoxyquinazolin-4(3H)-One

Cas:13794-72-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

6,7-Dimethoxy-4(3H)-quinazolinone

Cas:13794-72-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

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

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

6,7-dimethoxy-3,4-dihydroquinazolin-4-one

Cas:13794-72-4

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

cas:13794-72-4

Cas:13794-72-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Ality Chemical Corporation

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 providing h

Factory Supply 6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:0

Negotiable

Type:Other

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

6,7-Dimethoxy-4(3H)-quinazolinone

Cas:13794-72-4

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

6,7-Dimethoxy-4(3H)-quinazolinone

Cas:13794-72-4

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Name: 6,7-Dimethoxy-3,4-dihydroquinazoline-4-one Synonym:6,7-DIMETHOXY-1H-QUINAZOLIN-4-ONE;6,7-DIMETHOXY-3,4-DIHYDROQUINAZOLIN-4-ONE;6,7-DIMETHOXY-3,4-DIHYDROQUINAZOLINE-4-ONE;6,7-DIMETHOXY-3H-QUINAZOLIN-4-ONE;6,7-DIMETHOXY-4(1H)-QUINAZOLINONE;6,

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:0

Negotiable

Type:Other

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/6,7-Dimethoxy-3,4-dihydroquinazoline-4-one/SAGECHEM/Manufacturer in China

Cas:13794-72-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:Active Pharmaceutical I

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:White solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:as per your request Application:Gefitinib intermediate Transportation:as per your reque

6,7-Dimethoxy-3,4-dihydroquinazoline-4-one

Cas:13794-72-4

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

6,7-Dimethoxy-4(3H)-quinazolinone

Cas:13794-72-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Synthetic route

methyl 2-amino-4,5-dimethoxybenzoate
26759-46-6

methyl 2-amino-4,5-dimethoxybenzoate

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With sodium methylate; formamide In methanol; N,N-dimethyl-formamide for 10h; Heating;97%
formamidine acetic acid
3473-63-0

formamidine acetic acid

2-Amino-4,5-dimethoxybenzoic acid
5653-40-7

2-Amino-4,5-dimethoxybenzoic acid

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
In dimethyl sulfoxide at 140 - 170℃;95.7%
In 2-methoxy-ethanol at 125℃; for 8h;89.5%
Stage #1: formamidine acetic acid; 2-Amino-4,5-dimethoxybenzoic acid In ethyl methyl ether Reflux;
Stage #2: With ammonium hydroxide In water
89%
2-carboethoxy-4,5-dimethoxyaniline
20323-74-4

2-carboethoxy-4,5-dimethoxyaniline

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
at 165 - 170℃;95%
at 168 - 170℃; Inert atmosphere;89%
at 165 - 170℃; for 6h; Inert atmosphere;73.2%
2-Amino-4,5-dimethoxybenzoic acid
5653-40-7

2-Amino-4,5-dimethoxybenzoic acid

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
at 110 - 115℃; for 3h;94.45%
at 140 - 145℃; for 4h;93%
at 150℃;89%
methyl 2-amino-4,5-dimethoxybenzoate
26759-46-6

methyl 2-amino-4,5-dimethoxybenzoate

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With ammonia; acetic acid at 150℃; for 2h; Product distribution / selectivity;93%
With ammonium acetate at 150℃; for 2h; Product distribution / selectivity;92.1%
With formic acid at 145℃; for 18h;91%
2-Amino-4,5-dimethoxybenzoic acid
5653-40-7

2-Amino-4,5-dimethoxybenzoic acid

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With trimethyl orthoformate In methanol at 70℃; for 4h; Reflux;93%
With trimethyl orthoformate In methanol at 70℃; for 4h;93%
6,7-dimethoxy-4-chloroquinazoline
13790-39-1

6,7-dimethoxy-4-chloroquinazoline

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With potassium hydroxide In tetrahydrofuran; water at 75℃; for 24h;91%
2-Amino-4,5-dimethoxybenzoic acid
5653-40-7

2-Amino-4,5-dimethoxybenzoic acid

formamidine
463-52-5

formamidine

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
In 2-methoxy-ethanol at 100℃;88%
6,7-dimethoxy-N,N-quinazoline
4101-33-1

6,7-dimethoxy-N,N-quinazoline

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With ammonium cerium (IV) nitrate; acetic acid In water86%
With peracetic acid; sulfuric acid In ethanol at 60℃; for 4h; Solvent; Reagent/catalyst;83%
With ammonium cerium (IV) nitrate; acetic acid In water at 20℃; for 0.0833333h;
methanol
67-56-1

methanol

4,5-dimethoxyanthranilamide
5004-88-6

4,5-dimethoxyanthranilamide

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With [Cp*Ir(2,2′-bpyO)(H2O)]; caesium carbonate at 130℃; for 2h; Microwave irradiation; Green chemistry;86%
With [Cp*Ir(2,2'-bpyO)(H2O)]; caesium carbonate at 130℃; for 2h; Inert atmosphere; Microwave irradiation;86%
With oxygen; copper(II) acetate monohydrate; caesium carbonate at 110℃; for 6h;49%
methyl 2-amino-5,6-dimethoxybenzoate
128823-83-6

methyl 2-amino-5,6-dimethoxybenzoate

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With ammonium formate at 170℃; for 12h;86%
formic acid
64-18-6

formic acid

2-nitro-4,5-dimethoxybenzonitrile
102714-71-6

2-nitro-4,5-dimethoxybenzonitrile

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
Stage #1: 4,5-dimethoxy-2-nitrobenzonitrile With iron(III) chloride; hydrazine hydrate In methanol; water for 3h; Heating;
Stage #2: formic acid With hydrogenchloride In water at 130℃; for 3h; Further stages.;
85%
2-Amino-4,5-dimethoxybenzoic acid
5653-40-7

2-Amino-4,5-dimethoxybenzoic acid

trimethyl orthoformate
149-73-5

trimethyl orthoformate

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With ammonium acetate In methanol at 120℃; for 3h;85%
methyl 2-amino-4,5-dimethoxybenzoate
26759-46-6

methyl 2-amino-4,5-dimethoxybenzoate

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
In formamide at 190 - 200℃; for 2h;84.7%
In formamide at 140℃; for 24h;
formic acid
64-18-6

formic acid

methyl 2-amino-4,5-dimethoxybenzoate
26759-46-6

methyl 2-amino-4,5-dimethoxybenzoate

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
at 160℃; for 10h;84.22%
methanol
67-56-1

methanol

2-amino-4,5-dimethoxybenzonitrile
26961-27-3

2-amino-4,5-dimethoxybenzonitrile

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With cobalt(II) nitrate hexahydrate; tris(2-diphenylphosphinoethyl)phosphine; water; caesium carbonate at 150℃; for 26h; Inert atmosphere; Sealed tube;84%
formamidine hydrochloride
6313-33-3

formamidine hydrochloride

2-Amino-4,5-dimethoxybenzoic acid
5653-40-7

2-Amino-4,5-dimethoxybenzoic acid

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
at 210℃; for 0.25h;79%
at 80 - 200℃;65%
Stage #1: formamidine hydrochloride; 2-Amino-4,5-dimethoxybenzoic acid at 210℃; for 0.25h; Heating / reflux;
Stage #2: With sodium hydroxide In water at 80℃;
64%
Stage #1: formamidine hydrochloride; 2-Amino-4,5-dimethoxybenzoic acid at 210℃; for 0.5h;
Stage #2: With sodium hydroxide In water
64%
at 210℃; for 0.5h;64%
4,5-dimethoxyanthranilamide
5004-88-6

4,5-dimethoxyanthranilamide

dimethyl sulfoxide
67-68-5

dimethyl sulfoxide

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With 1,4-diaza-bicyclo[2.2.2]octane; dipotassium peroxodisulfate at 160℃; for 2h; Microwave irradiation;62%
C28H34N2O10

C28H34N2O10

A

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

B

C28H32N4O6

C28H32N4O6

Conditions
ConditionsYield
at 186℃;A 12.5%
B 50%
C27H32N2O10

C27H32N2O10

A

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

C27H30N4O6

C27H30N4O6

Conditions
ConditionsYield
at 180 - 185℃; for 2h;A 11.4%
B 46.5%
2-Amino-4,5-dimethoxybenzoic acid
5653-40-7

2-Amino-4,5-dimethoxybenzoic acid

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With formamide In water18%
Multi-step reaction with 2 steps
1: 81.6 percent / Et3N / dioxane / 2 h / 20 °C
2: 12.5 percent / 186 °C
View Scheme
Multi-step reaction with 2 steps
1: 76.8 percent / Et3N / dioxane / 3 h / 20 °C
2: 11.4 percent / 2 h / 180 - 185 °C
View Scheme
1,3,5-Triazine
290-87-9

1,3,5-Triazine

2-Amino-4,5-dimethoxybenzoic acid
5653-40-7

2-Amino-4,5-dimethoxybenzoic acid

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With piperidine In ethanol Cyclization;
4,5-dimethoxyanthranilamide
5004-88-6

4,5-dimethoxyanthranilamide

trimethyl orthoformate
149-73-5

trimethyl orthoformate

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With hydrogenchloride
formic acid
64-18-6

formic acid

4,5-dimethoxyanthranilamide
5004-88-6

4,5-dimethoxyanthranilamide

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
for 5h; Heating;1.18 g
Heating;
veratronitrile
2024-83-1

veratronitrile

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 94 percent / aq. nitric acid / 1 h / 35 °C
2.1: FeCl3; hydrazine hydrate / H2O; methanol / 3 h / Heating
2.2: 85 percent / HCl / H2O / 3 h / 130 °C
View Scheme
4,5-dimethoxy-2-nitro-benzoic acid
4998-07-6

4,5-dimethoxy-2-nitro-benzoic acid

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: SOCl2
2: NH4OH
3: NaBH4 / CuSO4
4: Heating
View Scheme
Multi-step reaction with 4 steps
1: SOCl2
2: aq. NH3
3: CuSO4; NaBH4
4: Heating
View Scheme
Multi-step reaction with 3 steps
1.1: thionyl chloride / 0.83 h / Heating
1.2: 88.5 percent / NH4OH
2.1: NaBH4; CuSO4 / methanol / 4 h
3.1: 1.18 g / 5 h / Heating
View Scheme
4,5-dimethoxy-2-nitrobenzamide
4959-60-8

4,5-dimethoxy-2-nitrobenzamide

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NaBH4 / CuSO4
2: Heating
View Scheme
Multi-step reaction with 2 steps
1: CuSO4; NaBH4
2: Heating
View Scheme
Multi-step reaction with 2 steps
1: NaBH4; CuSO4 / methanol / 4 h
2: 1.18 g / 5 h / Heating
View Scheme
4,5-dimethoxy-2-nitrobenzoyl chloride
29568-78-3

4,5-dimethoxy-2-nitrobenzoyl chloride

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: NH4OH
2: NaBH4 / CuSO4
3: Heating
View Scheme
Multi-step reaction with 3 steps
1: aq. NH3
2: CuSO4; NaBH4
3: Heating
View Scheme
4,5-dimethoxyanthranilamide
5004-88-6

4,5-dimethoxyanthranilamide

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

Conditions
ConditionsYield
With formic acid Heating / reflux;
3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

6-hydroxy-7-methoxyquinazolin-4(3H)-one
179688-52-9

6-hydroxy-7-methoxyquinazolin-4(3H)-one

Conditions
ConditionsYield
With methanesulfonic acid; DL-methionine at 120℃; for 30h;100%
With methanesulfonic acid; L-methionine at 100℃; for 22h;94%
With methanesulfonic acid; L-methionine at 100℃; for 22h;94%
3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

6,7-dihydroxy-3H-quinazolin-4-one
16064-15-6

6,7-dihydroxy-3H-quinazolin-4-one

Conditions
ConditionsYield
With hydrogen bromide In water at 135℃; for 18.5h;100%
Stage #1: 3H-6,7-dimethoxyquinazolin-4-one With hydrogen bromide In water at 110℃; Reflux;
Stage #2: With ammonia In water pH=7.0 - 7.5;
98.62%
With hydrogen bromide at 120℃;97%
3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

6,7-dimethoxy-4-chloroquinazoline
13790-39-1

6,7-dimethoxy-4-chloroquinazoline

Conditions
ConditionsYield
With thionyl chloride In N,N-dimethyl-formamide for 6h; Heating / reflux;98%
With thionyl chloride; N,N-dimethyl-formamide for 6h; Heating / reflux;98%
In N-methyl-acetamide; thionyl chloride; dichloromethane98%
L-Methionone

L-Methionone

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

6-hydroxy-7-methoxyquinazolin-4(3H)-one
179688-52-9

6-hydroxy-7-methoxyquinazolin-4(3H)-one

Conditions
ConditionsYield
In methanesulfonic acid; water97%
1-chloro-2-iodoethane
624-70-4

1-chloro-2-iodoethane

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

3-(2-chloroethyl)-6,7-dimethoxyquinazolin-4(3H)-one
1609073-07-5

3-(2-chloroethyl)-6,7-dimethoxyquinazolin-4(3H)-one

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 50℃; Inert atmosphere;96%
In N,N-dimethyl-formamide at 50℃;96%
methyl 1-phenylprop-2-enyl carbonate
160879-62-9

methyl 1-phenylprop-2-enyl carbonate

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

6,7-dimethoxy-3-((S)-1-phenylallyl)quinazolin-4(3H)-one

6,7-dimethoxy-3-((S)-1-phenylallyl)quinazolin-4(3H)-one

Conditions
ConditionsYield
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; (R)-(+)-(6,6'-dimethoxybiphenyl-2,2'-diyl)bis[bis(3,5-di-tert-butylphenyl)phosphine] In 1,2-dichloro-ethane at 80℃; for 24h; Schlenk technique; Inert atmosphere; enantioselective reaction;92%
3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

4-bromo-6,7-dimethoxyquinazoline
1260640-98-9

4-bromo-6,7-dimethoxyquinazoline

Conditions
ConditionsYield
With carbon tetrabromide; triphenylphosphine In dichloromethane at 0 - 20℃; for 2h;90.35%
acetic anhydride
108-24-7

acetic anhydride

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

6-acetoxy-7-methoxy-3,4-dihydroquinazolin-4-one
179688-53-0

6-acetoxy-7-methoxy-3,4-dihydroquinazolin-4-one

Conditions
ConditionsYield
Stage #1: 3H-6,7-dimethoxyquinazolin-4-one With methanesulfonic acid; DL-methionine at 120℃; for 24h;
Stage #2: acetic anhydride With pyridine at 100℃; for 22h;
87%
With methanesulfonic acid; DL-methionine 1.) 100 deg C, 3 h, 2.) Py; Multistep reaction;
4-bromoethylbutanoate
2969-81-5

4-bromoethylbutanoate

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

4-(6,7-dimethoxy-4-oxo-4H-quinazolin-3-yl)-butyric acid ethyl ester

4-(6,7-dimethoxy-4-oxo-4H-quinazolin-3-yl)-butyric acid ethyl ester

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 10h; Alkylation;87%
Ethyl 3-bromopropionate
539-74-2

Ethyl 3-bromopropionate

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

3-(6,7-dimethoxy-4-oxo-4H-quinazolin-3-yl)-propionic acid ethyl ester

3-(6,7-dimethoxy-4-oxo-4H-quinazolin-3-yl)-propionic acid ethyl ester

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 10h; Alkylation;82%
2-((1-(tert-butoxycarbonyl)piperidin-4-yl)oxy)-2-oxoacetic acid

2-((1-(tert-butoxycarbonyl)piperidin-4-yl)oxy)-2-oxoacetic acid

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

tert-butyl 4-(6,7-dimethoxy-4-oxo-3,4-dihydroquinazolin-2-yl)-piperidine-1-carboxylate

tert-butyl 4-(6,7-dimethoxy-4-oxo-3,4-dihydroquinazolin-2-yl)-piperidine-1-carboxylate

Conditions
ConditionsYield
With ammonium peroxydisulfate In water; dimethyl sulfoxide at 50℃; for 24h; Minisci Aromatic Substitution; Sealed tube;82%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

3H-6,7-dimethoxyquinazolin-4-one
13794-72-4

3H-6,7-dimethoxyquinazolin-4-one

(E)-3-(4-bromobut-2-en-1-yl)-6,7-dimethoxyquinazolin-4(3H)-one

(E)-3-(4-bromobut-2-en-1-yl)-6,7-dimethoxyquinazolin-4(3H)-one

Conditions
ConditionsYield
Stage #1: 3H-6,7-dimethoxyquinazolin-4-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: (E)-1,4-dibromobutene In N,N-dimethyl-formamide at 20℃; for 2h;
81%

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View