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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-(Benzyloxy)-7-Methoxyquinazolin-4(3H)-One supplier in China

Cas:179688-01-8

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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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.Free samples will be provided. 5.Ensure specifications an

6-Methoxy-7-benzyloxyquinazolin-4-one

Cas:179688-01-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

6-Methoxy-7-Benzyloxyquinazolin-4-One

Cas:179688-01-8

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis

6-Methoxy-7-benzyloxyquinazolin-4-one

Cas:179688-01-8

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Lab/Research institutions

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/975.html Product Name 6-Methoxy-7-benzyloxyquinazolin-4-one CAS No.

6-Methoxy-7-benzyloxyquinazolin-4-one

Cas:179688-01-8

Min.Order:1 Gram

FOB Price: $34.0

Type:Lab/Research institutions

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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 o

TIANFUCHEM 6-Methoxy-7-benzyloxyquinazolin-4-one

Cas:179688-01-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

New production CAS 179688-01-8 with best quality

Cas:179688-01-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

High Purity 6-methoxy-7-benzyloxyquinazolin-4-one 179688-01-8

Cas:179688-01-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta

high quality179688-01-8? C16H14N2O3 with best price

Cas:179688-01-8

Min.Order:10 Gram

Negotiable

Type:Other

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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

4(3H)-Quinazolinone,6-methoxy-7-(phenylmethoxy)- 179688-01-8

Cas:179688-01-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

6-Methoxy-7-benzyloxyquinazolin-4-one CAS:179688-01-8 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 high qu

6-Methoxy-7-benzyloxyquinazolin-4-one CAS:179688-01-8

Cas:179688-01-8

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

4(3H)-Quinazolinone,6-methoxy-7-(phenylmethoxy)-

Cas:179688-01-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

4(3H)-Quinazolinone,6-methoxy-7-(phenylmethoxy)-

Cas:179688-01-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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-(Benzyloxy)-7-Methoxyquinazolin-4(3H)-One

Cas:179688-01-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

6-Methoxy-7-benzyloxyquinazolin-4-one CAS:179688-01-8

Cas:179688-01-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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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

7-Benzyloxy-6-methoxyquinazolin-4-ol

Cas:179688-01-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company 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

6-METHOXY-7-BENZYLOXYQUINAZOLIN-4-ONE

Cas:179688-01-8

Min.Order:1 Gram

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-Methoxy-7-benzyloxyquinazoline-4-one

Cas:179688-01-8

Min.Order:0

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

High quality 6-(Benzyloxy)-7-Methoxyquinazolin-4(3H)-One

Cas:179688-01-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

7-Benzyloxy-6-methoxyquinazolin-4-ol

Cas:179688-01-8

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:Off-white solid Storage:sealed and stored Package:as per your request Application:Used as Pharmaceutical Intermediates Transportation:as per your request Port:Shanghai, Ningbo, Tianj

6-Methoxy-7-benzyloxyquinazolin-4-one

Cas:179688-01-8

Min.Order:10 Gram

Negotiable

Type:Trading Company

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-Methoxy-7-benzyloxyquinazolin-4-one

Cas:179688-01-8

Min.Order:0

Negotiable

Type:Other

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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

7-Benzyloxy-6-methoxyquinazolin-4-ol

Cas:179688-01-8

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

7-Benzyloxy-6-methoxyquinazolin-4-ol

Cas:179688-01-8

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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-Methoxy-7-benzyloxyquinazolin-4-one

Cas:179688-01-8

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

High Purity 6-methoxy-7-benzyloxyquinazolin-4-one 179688-01-8

Cas:179688-01-8

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

High Purity 6-methoxy-7-benzyloxyquinazolin-4-one 179688-01-8

Cas:179688-01-8

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

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

4(3H)-Quinazolinone,6-methoxy-7-(phenylmethoxy)-

Cas:179688-01-8

Min.Order:0

Negotiable

Type:Other

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

7-Benzyloxy-6-methoxyquinazolin-4-ol

Cas:179688-01-8

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

6-Methoxy-7-benzyloxyquinazolin-4-one cas no. 179688-01-8 98%

Cas:179688-01-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

formamidine acetic acid
3473-63-0

formamidine acetic acid

2-amino-4-benzyloxy-5-methoxybenzoic acid benzyl ester
205259-41-2

2-amino-4-benzyloxy-5-methoxybenzoic acid benzyl ester

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
In 2-methyl-propan-1-ol at 97℃; for 6h; Product distribution / selectivity;98%
In 2-methyl-propan-1-ol at 97℃; for 6h;98%
In iso-butanol at 95℃; for 6h;86%
methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate
61032-42-6

methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
With ammonium formate at 180 - 190℃; for 2h;95%
With ammonium formate at 150℃; for 3h;81%
With ammonium formate
at 190℃; for 5h;
C16H14N2O2
741276-49-3

C16H14N2O2

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
With peracetic acid; sulfuric acid In ethanol at 60℃; for 3h;95%
2-amino-4-benzyloxy-5-methoxybenzoic acid benzyl ester
205259-41-2

2-amino-4-benzyloxy-5-methoxybenzoic acid benzyl ester

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
at 190℃; for 5h;87%
With ammonium formate at 150℃; for 4h;81%
Gold's reagent
20353-93-9

Gold's reagent

2-amino-4-benzyloxy-5-methoxybenzamide
60547-98-0

2-amino-4-benzyloxy-5-methoxybenzamide

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Stage #1: Gold's reagent; 2-amino-4-benzyloxy-5-methoxybenzamide In 1,4-dioxane for 12h; Reflux;
Stage #2: With sodium acetate; acetic acid In 1,4-dioxane for 3h; Reflux;
87%
Stage #1: Gold's reagent; 2-amino-4-benzyloxy-5-methoxybenzamide In 1,4-dioxane for 24h; Heating / reflux;
Stage #2: With sodium acetate; acetic acid In 1,4-dioxane for 3h; Heating / reflux;
84%
Stage #1: Gold's reagent; 2-amino-4-benzyloxy-5-methoxybenzamide In 1,4-dioxane for 24h; Heating / reflux;
Stage #2: With sodium acetate; acetic acid In 1,4-dioxane for 3h; Heating;
84%
2-amino-4-benzyloxy-5-methoxybenzamide
60547-98-0

2-amino-4-benzyloxy-5-methoxybenzamide

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
With sodium acetate; acetic acid In 1,4-dioxane for 24h; Heating / reflux;84%
With sodium acetate; acetic acid In 1,4-dioxane; water84%
With sodium acetate; acetic acid In 1,4-dioxane; water84%
[3-(dimethylamino)-2-azaprop-2-en-1-ylidene]-dimethylammonium chloride
20353-93-9

[3-(dimethylamino)-2-azaprop-2-en-1-ylidene]-dimethylammonium chloride

2-amino-4-benzyloxy-5-methoxybenzamide
60547-98-0

2-amino-4-benzyloxy-5-methoxybenzamide

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Stage #1: [3-(dimethylamino)-2-azaprop-2-en-1-ylidene]-dimethylammonium chloride; 2-amino-4-benzyloxy-5-methoxybenzamide In 1,4-dioxane for 24h; Heating / reflux;
Stage #2: With sodium acetate; acetic acid In 1,4-dioxane for 3h; Heating / reflux;
84%
With sodium acetate; acetic acid In 1,4-dioxane; water
With sodium acetate; acetic acid In 1,4-dioxane; water
2-amino-4-benzoyloxy-5-methoxybenzamide

2-amino-4-benzoyloxy-5-methoxybenzamide

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
With sodium acetate; acetic acid In 1,4-dioxane; water84%
sodium acetate
127-09-3

sodium acetate

acetic acid
64-19-7

acetic acid

2-amino-4-benzyloxy-5-methoxybenzamide
60547-98-0

2-amino-4-benzyloxy-5-methoxybenzamide

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Stage #1: 2-amino-4-benzyloxy-5-methoxybenzamide With Gold's reagent In 1,4-dioxane for 24h; Heating / reflux;
Stage #2: sodium acetate; acetic acid In 1,4-dioxane for 3h; Heating / reflux;
84%
orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

2-amino-4-benzyloxy-5-methoxybenzoic acid benzyl ester
205259-41-2

2-amino-4-benzyloxy-5-methoxybenzoic acid benzyl ester

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
With ammonium acetate for 4h; Reflux;71%
methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate
61032-42-6

methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate

trimethyl orthoformate
149-73-5

trimethyl orthoformate

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
With methanol; ammonium acetate at 100℃;69%
4-benzyloxy-3-methoxybenzoic acid benzyl ester
91203-74-6

4-benzyloxy-3-methoxybenzoic acid benzyl ester

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 100 percent / HNO3; Ac2O / 3 h / 20 °C
2: 97 percent / Fe; FeCl3 / acetic acid; H2O; ethanol / 4 h / 20 °C
3: 87 percent / 5 h / 190 °C
View Scheme
Multi-step reaction with 3 steps
1: 96.5 percent / HNO3; AcOH / CH2Cl2 / 100 °C
2: 95 percent / SnCl2*H2O / ethyl acetate / 50 °C
3: 81 percent / HCOONH4 / 4 h / 150 °C
View Scheme
Multi-step reaction with 3 steps
1.1: acetic acid / dichloromethane / 0 °C
1.2: 4 h / 0 - 5 °C
2.1: tin(ll) chloride / ethyl acetate / 18 h / 65 °C
3.1: ammonium acetate / 4 h / Reflux
View Scheme
4-benzyloxy-5-methoxy-2-nitrobenzoic acid benzyl ester
205259-40-1

4-benzyloxy-5-methoxy-2-nitrobenzoic acid benzyl ester

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 97 percent / Fe; FeCl3 / acetic acid; H2O; ethanol / 4 h / 20 °C
2: 87 percent / 5 h / 190 °C
View Scheme
Multi-step reaction with 2 steps
1: 95 percent / SnCl2*H2O / ethyl acetate / 50 °C
2: 81 percent / HCOONH4 / 4 h / 150 °C
View Scheme
Multi-step reaction with 2 steps
1: tin(ll) chloride / ethyl acetate / 18 h / 65 °C
2: ammonium acetate / 4 h / Reflux
View Scheme
3-methoxy-4-hydroxybenzoic acid
121-34-6

3-methoxy-4-hydroxybenzoic acid

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: K2CO3 / dimethylformamide / 20 °C
2: 100 percent / HNO3; Ac2O / 3 h / 20 °C
3: 97 percent / Fe; FeCl3 / acetic acid; H2O; ethanol / 4 h / 20 °C
4: 87 percent / 5 h / 190 °C
View Scheme
Multi-step reaction with 4 steps
1: 96 percent / K2CO3 / dimethylformamide / 20 °C
2: 96.5 percent / HNO3; AcOH / CH2Cl2 / 100 °C
3: 95 percent / SnCl2*H2O / ethyl acetate / 50 °C
4: 81 percent / HCOONH4 / 4 h / 150 °C
View Scheme
Multi-step reaction with 4 steps
1.1: potassium carbonate / N,N-dimethyl-formamide / 0.25 h / 22 °C
1.2: 18 h / 22 °C
2.1: acetic acid / dichloromethane / 0 °C
2.2: 4 h / 0 - 5 °C
3.1: tin(ll) chloride / ethyl acetate / 18 h / 65 °C
4.1: ammonium acetate / 4 h / Reflux
View Scheme
methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate
61032-42-6

methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate

methyl 4-(benzyloxy)-5-methoxy-2-nitrobenzoate
61032-41-5

methyl 4-(benzyloxy)-5-methoxy-2-nitrobenzoate

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide; sodium methylate; iron; formamide In methanol; chloroform; water; acetic acid; N,N-dimethyl-formamide
acetic acid
64-19-7

acetic acid

2-amino-4-benzyloxy-5-methoxybenzamide
60547-98-0

2-amino-4-benzyloxy-5-methoxybenzamide

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Stage #1: 2-amino-4-benzyloxy-5-methoxybenzamide With Gold's reagent In 1,4-dioxane for 24h; Heating / reflux;
Stage #2: acetic acid With sodium acetate In 1,4-dioxane for 3h;
4-hydroxy-3-methoxybenzoic acid methyl ester
3943-74-6

4-hydroxy-3-methoxybenzoic acid methyl ester

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: potassium carbonate / acetone
2: nitric acid / acetic acid
3: sodium tetrahydroborate; nickel(II) chloride hexahydrate
4: formamide
View Scheme
Multi-step reaction with 4 steps
1: potassium carbonate / N,N-dimethyl-formamide / 3 h / 100 °C
2: nitric acid; acetic acid / 0.33 h / -10 °C
3: iron; ammonium chloride / water; methanol / 105 °C
4: ammonium acetate; methanol / 100 °C
View Scheme
Multi-step reaction with 4 steps
1: potassium carbonate / N,N-dimethyl-formamide / 4 h / 20 °C
2: nitric acid / acetic acid / 1.17 h / 0 - 60 °C
3: iron(III) chloride; iron; acetic acid / ethanol; water
4: 5 h / 190 °C
View Scheme
Multi-step reaction with 4 steps
1: potassium carbonate / N,N-dimethyl-formamide / 5 h / 100 °C
2: acetic acid; nitric acid / 4 h / 100 °C
3: iron; ammonium chloride / ethanol; water / 3 h / Reflux
4: ammonium formate / 3 h / 150 °C
View Scheme
methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate
61032-42-6

methyl 2-amino-4-(benzyloxy)-5-methoxybenzoate

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
In formamide
methyl 4-(benzyloxy)-5-methoxy-2-nitrobenzoate
61032-41-5

methyl 4-(benzyloxy)-5-methoxy-2-nitrobenzoate

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium tetrahydroborate; nickel(II) chloride hexahydrate
2: formamide
View Scheme
Multi-step reaction with 2 steps
1: iron; ammonium chloride / water; methanol / 105 °C
2: ammonium acetate; methanol / 100 °C
View Scheme
Multi-step reaction with 2 steps
1: iron(III) chloride; iron; acetic acid / ethanol; water
2: 5 h / 190 °C
View Scheme
Multi-step reaction with 2 steps
1: iron; ammonium chloride / ethanol; water / 3 h / Reflux
2: ammonium formate / 3 h / 150 °C
View Scheme
methyl 4-(benzyloxy)-3-methoxybenzoate
56441-97-5

methyl 4-(benzyloxy)-3-methoxybenzoate

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: nitric acid / acetic acid
2: sodium tetrahydroborate; nickel(II) chloride hexahydrate
3: formamide
View Scheme
Multi-step reaction with 3 steps
1: nitric acid; acetic acid / 0.33 h / -10 °C
2: iron; ammonium chloride / water; methanol / 105 °C
3: ammonium acetate; methanol / 100 °C
View Scheme
Multi-step reaction with 3 steps
1: nitric acid / acetic acid / 1.17 h / 0 - 60 °C
2: iron(III) chloride; iron; acetic acid / ethanol; water
3: 5 h / 190 °C
View Scheme
Multi-step reaction with 3 steps
1: acetic acid; nitric acid / 4 h / 100 °C
2: iron; ammonium chloride / ethanol; water / 3 h / Reflux
3: ammonium formate / 3 h / 150 °C
View Scheme
benzyl bromide
100-39-0

benzyl bromide

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: potassium carbonate / acetone
2: nitric acid / acetic acid
3: sodium tetrahydroborate; nickel(II) chloride hexahydrate
4: formamide
View Scheme
Multi-step reaction with 4 steps
1: potassium carbonate / acetone / Reflux
2: nitric acid; acetic acid / 30 °C
3: iron; ammonium chloride / methanol; water / Reflux
4: ammonium bicarbonate / Reflux
View Scheme
Multi-step reaction with 4 steps
1: potassium carbonate / N,N-dimethyl-formamide / 4 h / 20 °C
2: nitric acid / acetic acid / 1.17 h / 0 - 60 °C
3: iron(III) chloride; iron; acetic acid / ethanol; water
4: 5 h / 190 °C
View Scheme
Multi-step reaction with 4 steps
1: potassium carbonate / N,N-dimethyl-formamide / 5 h / 100 °C
2: acetic acid; nitric acid / 4 h / 100 °C
3: iron; ammonium chloride / ethanol; water / 3 h / Reflux
4: ammonium formate / 3 h / 150 °C
View Scheme
4-(benzyloxy)-5-methoxy-2-nitrobenzoic acid
60547-92-4

4-(benzyloxy)-5-methoxy-2-nitrobenzoic acid

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: oxalyl dichloride / toluene / 2 h / Reflux
1.2: 2 h
2.1: acetic acid / 0.17 h / 90 °C
2.2: 1 h / Reflux
3.1: 1,4-dioxane / 12 h / Reflux
3.2: 3 h / Reflux
View Scheme
4-(benzyloxy)-5-methoxy-2-nitrobenzaldehyde
2426-84-8

4-(benzyloxy)-5-methoxy-2-nitrobenzaldehyde

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: potassium permanganate / acetone / 2 h / 30 - 50 °C
2.1: oxalyl dichloride / toluene / 2 h / Reflux
2.2: 2 h
3.1: acetic acid / 0.17 h / 90 °C
3.2: 1 h / Reflux
4.1: 1,4-dioxane / 12 h / Reflux
4.2: 3 h / Reflux
View Scheme
5-Methoxy-2-nitro-4-(phenylmethoxy)benzamide
60547-94-6

5-Methoxy-2-nitro-4-(phenylmethoxy)benzamide

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: acetic acid / 0.17 h / 90 °C
1.2: 1 h / Reflux
2.1: 1,4-dioxane / 12 h / Reflux
2.2: 3 h / Reflux
View Scheme
3-methoxy-4-(phenylmethoxy)benzaldehyde
2426-87-1

3-methoxy-4-(phenylmethoxy)benzaldehyde

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: nitric acid / 2 h / 0 - 20 °C
2.1: potassium permanganate / acetone / 2 h / 30 - 50 °C
3.1: oxalyl dichloride / toluene / 2 h / Reflux
3.2: 2 h
4.1: acetic acid / 0.17 h / 90 °C
4.2: 1 h / Reflux
5.1: 1,4-dioxane / 12 h / Reflux
5.2: 3 h / Reflux
View Scheme
benzyl chloride
100-44-7

benzyl chloride

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: potassium carbonate / N,N-dimethyl-formamide / 3 h / 100 °C
2: nitric acid; acetic acid / 0.33 h / -10 °C
3: iron; ammonium chloride / water; methanol / 105 °C
4: ammonium acetate; methanol / 100 °C
View Scheme
C17H19NO4

C17H19NO4

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
With ammonium bicarbonate Reflux;
C17H17NO6

C17H17NO6

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: iron; ammonium chloride / methanol; water / Reflux
2: ammonium bicarbonate / Reflux
View Scheme
ethyl 4-benzyloxy-3-methoxybenzoate
185033-64-1

ethyl 4-benzyloxy-3-methoxybenzoate

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: nitric acid; acetic acid / 30 °C
2: iron; ammonium chloride / methanol; water / Reflux
3: ammonium bicarbonate / Reflux
View Scheme
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

7-hydroxy-6-methoxy-3,4-dihydroquinazolin-4-one
162012-72-8

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

Conditions
ConditionsYield
With trifluoroacetic acid for 2h; Heating;100%
With methanesulfonic acid; trifluoroacetic acid for 3h; Reflux;88%
With ammonium formate; palladium 10% on activated carbon In DMF (N,N-dimethyl-formamide) for 1.75h;64%
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

7-benzyloxy-4-chloro-6-methoxyquinazoline hydrochloride

7-benzyloxy-4-chloro-6-methoxyquinazoline hydrochloride

Conditions
ConditionsYield
With thionyl chloride; trichlorophosphate; N,N-dimethyl-formamide for 2h; Reflux;100%
With thionyl chloride In N,N-dimethyl-formamide; toluene
With thionyl chloride In N,N-dimethyl-formamide
Chloromethyl pivalate
18997-19-8

Chloromethyl pivalate

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

7-benzyloxy-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one
193002-24-3

7-benzyloxy-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one

Conditions
ConditionsYield
With potassium carbonate In ISOPROPYLAMIDE at 90℃; for 4h;100%
With hydrogenchloride In water; N,N-dimethyl-formamide; mineral oil; Petroleum ether84%
Stage #1: 7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one With sodium hydride In DMF (N,N-dimethyl-formamide); mineral oil at 20℃; for 1.83333h;
Stage #2: Chloromethyl pivalate In DMF (N,N-dimethyl-formamide); mineral oil at 20℃; for 2h;
84%
Chloromethyl pivalate
18997-19-8

Chloromethyl pivalate

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

tert-butyl 2-[7-(benzyloxy)-6-methoxy-4-oxo-3(4H)-quinazolinyl]acetate
557771-41-2

tert-butyl 2-[7-(benzyloxy)-6-methoxy-4-oxo-3(4H)-quinazolinyl]acetate

Conditions
ConditionsYield
With potassium carbonate In ISOPROPYLAMIDE at 90℃; for 4h;100%
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

7-benzyloxy-4-chloro-6-methoxyquinazoline
162364-72-9

7-benzyloxy-4-chloro-6-methoxyquinazoline

Conditions
ConditionsYield
With sodium hydroxide; N-ethyl-N,N-diisopropylamine; trichlorophosphate99%
With trichlorophosphate In toluene Reflux;94%
With trichlorophosphate for 3h; Heating;92%
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

7-benzyloxy-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one
193002-24-3

7-benzyloxy-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one

Conditions
ConditionsYield
Stage #1: 7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one With sodium hydride In N,N-dimethyl-formamide for 1.8h;
Stage #2: With Chloromethyl pivalate at 20℃; for 2h;
84%
Chloromethyl pivalate
18997-19-8

Chloromethyl pivalate

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

A

0.8isopropanol

0.8isopropanol

B

7-benzyloxy-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one
193002-24-3

7-benzyloxy-6-methoxy-3-((pivaloyloxy)methyl)-3,4-dihydroquinazolin-4-one

Conditions
ConditionsYield
With hydrogenchloride In water; N,N-dimethyl-formamide; mineral oil; Petroleum etherA n/a
B 84%
hexan-1-amine
111-26-2

hexan-1-amine

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

7-(benzyloxy)-N-hexyl-6-methoxyquinazolin-4-amine

7-(benzyloxy)-N-hexyl-6-methoxyquinazolin-4-amine

Conditions
ConditionsYield
With copper acetylacetonate; di-tert-butyl peroxide; N,N-dimethyl-formamide at 100℃; for 10h; Green chemistry;67%
piperidine
110-89-4

piperidine

7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

7-(benzyloxy)-6-methoxy-4-(piperidin-1-yl)quinazoline

7-(benzyloxy)-6-methoxy-4-(piperidin-1-yl)quinazoline

Conditions
ConditionsYield
With copper acetylacetonate; di-tert-butyl peroxide; N,N-dimethyl-formamide at 100℃; for 10h; Green chemistry;65%
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

7-acetoxy-6-methoxy-3,4-dihydroquinazolin-4-one
179688-02-9

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

Conditions
ConditionsYield
With sodium acetate; acetic anhydride; palladium In methanol; water; ethyl acetate; toluene27%
Multi-step reaction with 2 steps
1: 100 percent / aq. TFA / 2 h / Heating
2: 89 percent / pyridine / 1 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: methanesulfonic acid; trifluoroacetic acid / 3 h / Reflux
2: pyridine / 3 h / 120 °C
View Scheme
Multi-step reaction with 2 steps
1.1: ammonium formate / palladium 10% on activated carbon / DMF (N,N-dimethyl-formamide) / 1.55 h
2.1: pyridine / 20.5 h / 20 - 100 °C
2.2: 0.25 h / 90 °C
View Scheme
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

4-chloro-6-methoxyquinazolin-7-yl acetate
179688-03-0

4-chloro-6-methoxyquinazolin-7-yl acetate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 100 percent / aq. TFA / 2 h / Heating
2: 89 percent / pyridine / 1 h / Heating
3: 69 percent / SOCl2 / 1.5 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: methanesulfonic acid; trifluoroacetic acid / 3 h / Reflux
2: pyridine / 3 h / 120 °C
3: thionyl chloride / N,N-dimethyl-formamide / 1.5 h / Reflux
View Scheme
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

4-((3-chloro-4-fluorophenyl)amino)-6-methoxyquinazolin-7-ol
451494-91-0

4-((3-chloro-4-fluorophenyl)amino)-6-methoxyquinazolin-7-ol

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 100 percent / aq. TFA / 2 h / Heating
2: 89 percent / pyridine / 1 h / Heating
3: 69 percent / SOCl2 / 1.5 h / Heating
4: 91 percent / i-PrOH / Heating
5: 90 percent / ammonia; methanol / 2 h / 20 °C
View Scheme
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

acetic acid 4-(3-chloro-4-fluoro-phenylamino)-6-methoxy-quinazolin-7-yl ester
869475-50-3

acetic acid 4-(3-chloro-4-fluoro-phenylamino)-6-methoxy-quinazolin-7-yl ester

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 100 percent / aq. TFA / 2 h / Heating
2: 89 percent / pyridine / 1 h / Heating
3: 69 percent / SOCl2 / 1.5 h / Heating
4: 91 percent / i-PrOH / Heating
View Scheme
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

N4-(3-chloro-4-fluoro-phenyl)-N7-(2-dimethylamino-ethyl)-6-methoxy-quinazoline-4,7-diamine

N4-(3-chloro-4-fluoro-phenyl)-N7-(2-dimethylamino-ethyl)-6-methoxy-quinazoline-4,7-diamine

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 100 percent / aq. TFA / 2 h / Heating
2: 89 percent / pyridine / 1 h / Heating
3: 69 percent / SOCl2 / 1.5 h / Heating
4: 91 percent / i-PrOH / Heating
5: 90 percent / ammonia; methanol / 2 h / 20 °C
6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C
7: 20 percent Chromat. / N-methylpyrrolidinone / 135 °C
View Scheme
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

N4-(3-chloro-4-fluoro-phenyl)-N7-(2-dimethylamino-ethyl)-6-methoxy-N7-methyl-quinazoline-4,7-diamine

N4-(3-chloro-4-fluoro-phenyl)-N7-(2-dimethylamino-ethyl)-6-methoxy-N7-methyl-quinazoline-4,7-diamine

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 100 percent / aq. TFA / 2 h / Heating
2: 89 percent / pyridine / 1 h / Heating
3: 69 percent / SOCl2 / 1.5 h / Heating
4: 91 percent / i-PrOH / Heating
5: 90 percent / ammonia; methanol / 2 h / 20 °C
6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C
7: 77 percent / N-methylpyrrolidinone / 135 °C
View Scheme
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

(3-chloro-4-fluoro-phenyl)-(6-methoxy-7-morpholin-4-yl-quinazolin-4-yl)-amine

(3-chloro-4-fluoro-phenyl)-(6-methoxy-7-morpholin-4-yl-quinazolin-4-yl)-amine

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 100 percent / aq. TFA / 2 h / Heating
2: 89 percent / pyridine / 1 h / Heating
3: 69 percent / SOCl2 / 1.5 h / Heating
4: 91 percent / i-PrOH / Heating
5: 90 percent / ammonia; methanol / 2 h / 20 °C
6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C
7: 72 percent / N-methylpyrrolidinone / 135 °C
View Scheme
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

(3-chloro-4-fluoro-phenyl)-(6-methoxy-7-piperidin-1-yl-quinazolin-4-yl)-amine

(3-chloro-4-fluoro-phenyl)-(6-methoxy-7-piperidin-1-yl-quinazolin-4-yl)-amine

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 100 percent / aq. TFA / 2 h / Heating
2: 89 percent / pyridine / 1 h / Heating
3: 69 percent / SOCl2 / 1.5 h / Heating
4: 91 percent / i-PrOH / Heating
5: 90 percent / ammonia; methanol / 2 h / 20 °C
6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C
7: 64 percent / N-methylpyrrolidinone / 135 °C
View Scheme
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

N7-benzyl-N4-(3-chloro-4-fluoro-phenyl)-6-methoxy-quinazoline-4,7-diamine

N7-benzyl-N4-(3-chloro-4-fluoro-phenyl)-6-methoxy-quinazoline-4,7-diamine

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 100 percent / aq. TFA / 2 h / Heating
2: 89 percent / pyridine / 1 h / Heating
3: 69 percent / SOCl2 / 1.5 h / Heating
4: 91 percent / i-PrOH / Heating
5: 90 percent / ammonia; methanol / 2 h / 20 °C
6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C
7: 20 percent / N-methylpyrrolidinone / 135 °C
View Scheme
7-(benzyloxy)-6-methoxyquinazolin-4(3H)-one
179688-01-8

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

trifluoromethanesulfonic acid 4-(3-chloro-4-fluorophenylamino)-6-methoxy-7-quinazolinyl ester
451494-89-6

trifluoromethanesulfonic acid 4-(3-chloro-4-fluorophenylamino)-6-methoxy-7-quinazolinyl ester

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 100 percent / aq. TFA / 2 h / Heating
2: 89 percent / pyridine / 1 h / Heating
3: 69 percent / SOCl2 / 1.5 h / Heating
4: 91 percent / i-PrOH / Heating
5: 90 percent / ammonia; methanol / 2 h / 20 °C
6: 88 percent / K2CO3 / tetrahydrofuran / 4 h / 20 °C
View Scheme

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