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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

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Manufacturer/High quality/Best price/In stock

Cas:22246-18-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou Maytime Bio-Tech Co.,Ltd.

Product name :3,4-Dihydro-7-Hydroxy Carbostyril CAS:22246-18-0 We are also manufacturing and supplying below aripiprazole intermediates: Appearance:white powder Storage:keep from moisture,sealed in container contai

3,4-Dihydro-7-Hydroxy Carbostyril

Cas:22246-18-0

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Cas:22246-18-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Sinoway Industrial Co., Ltd.

1. High quality: CP.EP 2. Big capacity: 50mt per month 3. A lower price with high quality 4. Certificate: GMP, COA 5. Package: Packed with multi-layer paper bags, with polyethylene inner bag, net weight 25kg per bag. 6. Storage should be stored

Aripiprazole intermediate

Cas:22246-18-0

Min.Order:25 Kilogram

FOB Price: $13.0

Type:Trading Company

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 3,4-Dihydro-7-Hydroxy-2(1H)-Quinolinone supplier in China

Cas:22246-18-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Kono Chem Co.,Ltd

Item Specification Product Name 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone CAS No. 22246-18-0 Appearance White

CAS:22246-18-0 7-Hydroxy carbostyril

Cas:22246-18-0

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Red powder Storage:cool dry place Package:25kg/drum Application:pharmaceutical intermediate Transportation:by cour

Manufacturer high quality 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Cas 22246-18-0 with good price

Cas:22246-18-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production Cyromazine、lead diacetate trihydrate /Lead acetate trihydrateC、 2-phenylacetamide 、 4-Aminophenyl-1-phenethylpiperidine 、Citric acid monohydrate 、 Citric acid/c

22246-18-0 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Cas:22246-18-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Cas:22246-18-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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 providi

Factory Supply 3,4-Dihydro-7-Hydroxy-2(1H)-Quinolinone

Cas:22246-18-0

Min.Order:1

Negotiable

Type:Other

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

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Cas:22246-18-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemwill Asia Co., Ltd.

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Manufacturer Factory CAS 22246-18-0 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Manufacturer High quality Best price In stock factory CAS 22246-18-0 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone COA TDS price MSDS

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Manufacturer Factory CAS 22246-18-0

Cas:22246-18-0

Min.Order:5 Kiloliter

FOB Price: $3.5 / 5.0

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Cas:22246-18-0

Min.Order:1 Gram

FOB Price: $45.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Basic information Product Name: 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Synonyms: AURORA KA-4813;(1H)-7-HYDROXY-3,4-DIHYDRO-2-QUINOLINONE;7-HYDROX

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Cas:22246-18-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Cas:22246-18-0

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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

New production CAS 22246-18-0 with best quality

Cas:22246-18-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone/ LIDE PHARMA- Factory supply / Best price

Cas:22246-18-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Name: 7-Hydroxyquinolinone Synonyms: 7-Hydroxy-2-(1H)-quinolinone CAS:22246-18-0 MF: C9H9NO2 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:Organic synthesis Transportation:By s

7-Hydroxyquinolinone CAS:22246-18-0

Cas:22246-18-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

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 containers

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone CAS 22246-18-0

Cas:22246-18-0

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Hangzhou Think Chemical Co. Ltd

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone [22246-18-0] HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the market

High purity 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone CAS NO.:22246-18-0 supplie from china

Cas:22246-18-0

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Other

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

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 22246-18-0

Cas:22246-18-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone CAS: 22246-18-0 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

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone CAS: 22246-18-0

Cas:22246-18-0

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

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Cas:22246-18-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone CAS NO.22246-18-0

Cas:22246-18-0

Min.Order:10 Gram

Negotiable

Type:Trading Company

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

CAS NO.:22246-18-0

Cas:22246-18-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe,

7-hydroxy-3,4-dihydro-1H-quinolin-2-one cas 22246-18-0 7-hydroxy-3,4-dihydroquinolinone

Cas:22246-18-0

Min.Order:1 Kilogram

FOB Price: $80.0 / 100.0

Type:Trading Company

inquiry

Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Synonyms: Aripiprazole Impurity 21(Aripiprazole EP Impurity A);4-Dihydro-7-hydroxy-2(1H)-quinolinone;Aripiprazole EP Impurity A;Aripiprazole intermediate;22246-18-0;7-Hydroxy-3,4-dihydro-2(1H

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Manufactory best quality

Cas:22246-18-0

Min.Order:100 Gram

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

7-Hydroxy-3,4-Dihydro-2(1H)Quinolinone

Cas:22246-18-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Triumph International Development Limilted

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By

Aripiprazole Intermediate 2

Cas:22246-18-0

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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 have s

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Cas:22246-18-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Synthetic route

3-chloro-N-(3-hydroxyphenyl)propanamide
50297-40-0

3-chloro-N-(3-hydroxyphenyl)propanamide

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
With aluminum (III) chloride In N,N-dimethyl-formamide at 90 - 150℃; for 6h; Cooling with ice;88%
Stage #1: 3-chloro-N-(3-hydroxyphenyl)propanamide With aluminum (III) chloride at 210℃; for 0.5h;
Stage #2: With water at 20℃;
76%
With aluminum (III) chloride In N,N-dimethyl acetamide at 130 - 140℃;68%
3-chloro-N-(3-methoxyphenyl)propionamide
21261-76-7

3-chloro-N-(3-methoxyphenyl)propionamide

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
aluminum (III) chloride In N,N-dimethyl acetamide at 140 - 150℃; for 2.75h; Friedel Crafts Alkylation;82%
With aluminium trichloride; N,N-dimethyl acetamide at 150 - 160℃; for 2h; Friedel-Crafts reaction;61.5%
With aluminum (III) chloride In N,N-dimethyl acetamide at 0 - 150℃; for 2h;54%
C9H7NO5
1127347-52-7

C9H7NO5

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
With ammonium formate on silica gel; zinc In carbon dioxide at 50℃; under 90009 Torr; Autoclave; liquid CO2;78%
4-benyzloxy-2-nitrobenzenediazonium tetrafluoroborate

4-benyzloxy-2-nitrobenzenediazonium tetrafluoroborate

acrylic acid methyl ester
292638-85-8

acrylic acid methyl ester

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
Stage #1: 4-benyzloxy-2-nitrobenzenediazonium tetrafluoroborate; acrylic acid methyl ester With palladium diacetate In 1,4-dioxane at 25℃; for 6h; Heck reduction-cyclisation-debenzylation reaction;
Stage #2: With hydrogen; palladium diacetate; pyrographite In 1,4-dioxane at 50℃; for 24h; Heck reduction-cyclisation-debenzylation reaction;
66%
3-chloro-N-(3-methoxyphenyl)propionamide
21261-76-7

3-chloro-N-(3-methoxyphenyl)propionamide

A

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

B

5-hydroxycarbostyril
30389-33-4

5-hydroxycarbostyril

Conditions
ConditionsYield
Stage #1: N-(3-methoxyphenyl)-3-chloropropionamide; aluminum (III) chloride at 155 - 165℃; for 4h;
Stage #2: With methanol; sodium hydroxide In water at 20℃; for 1h; pH=7; Product distribution / selectivity; Heating / reflux;
A 62.3%
B n/a
Stage #1: N-(3-methoxyphenyl)-3-chloropropionamide With N,N-dimethyl acetamide; aluminum (III) chloride In water at 95 - 165℃; for 5.5h;
Stage #2: With methanol; sodium hydroxide In water at 20℃; for 1h; pH=7; Product distribution / selectivity; Heating / reflux;
A 61.3%
B n/a
Stage #1: N-(3-methoxyphenyl)-3-chloropropionamide; aluminum (III) chloride In water at 95 - 165℃; for 5.5h;
Stage #2: With methanol; sodium hydroxide In water at 20℃; for 1h; pH=7; Product distribution / selectivity; Heating / reflux;
A 61.3%
B n/a
aluminum chloride powder

aluminum chloride powder

3-chloro-N-(3-methoxyphenyl)propionamide
21261-76-7

3-chloro-N-(3-methoxyphenyl)propionamide

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
In ice-H2O55%
7-methoxy-2-oxo-1,2,3,4-tetrahydroquinoline
22246-17-9

7-methoxy-2-oxo-1,2,3,4-tetrahydroquinoline

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
With hydrogen bromide
3-chloro-N-(3-hydroxyphenyl)propanamide
50297-40-0

3-chloro-N-(3-hydroxyphenyl)propanamide

A

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

B

5-hydroxy-3,4-dihydro-1H-quinolin-2-one

5-hydroxy-3,4-dihydro-1H-quinolin-2-one

Conditions
ConditionsYield
With aluminium trichloride beim Schmelzen;
m-Anisidine
536-90-3

m-Anisidine

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 96 percent / NaHCO3 / CH2Cl2 / 4 h / 20 °C
2: 61.5 percent / N,N-dimethylacetamide; aluminium trichloride / 2 h / 150 - 160 °C
View Scheme
Multi-step reaction with 2 steps
1: 95 percent / aq. K2CO3 / acetone / 1 h / 0 °C
2: 4 percent / AlCl3 / chlorobenzene / 6 h / 120 °C
View Scheme
Multi-step reaction with 2 steps
1: sodium carbonate / toluene / 2 h / 40 - 65 °C
2: aluminum (III) chloride / N,N-dimethyl acetamide / 140 - 150 °C
View Scheme
Multi-step reaction with 2 steps
1: pyridine / tetrahydrofuran / 0 - 20 °C
2: aluminum (III) chloride; N,N-dimethyl acetamide / 4 h / 140 °C
View Scheme
Multi-step reaction with 2 steps
1: sodium hydrogencarbonate / toluene / 2 h / 50 °C
2: aluminum (III) chloride / N,N-dimethyl acetamide / 2 h / 0 - 150 °C
View Scheme
methyl (E)-3-(4′-methoxy-2′-nitrophenyl)acrylate
103986-96-5

methyl (E)-3-(4′-methoxy-2′-nitrophenyl)acrylate

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Raney nickel; ethanol / Hydrogenation
2: aqueous hydrobromic acid
View Scheme
2-chloropropionyl chloride
625-36-5

2-chloropropionyl chloride

m-Hydroxyaniline
591-27-5

m-Hydroxyaniline

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

4-hydroxy-2-nitrobenzenediazonium tetrafluoroborate

4-hydroxy-2-nitrobenzenediazonium tetrafluoroborate

acrylic acid methyl ester
292638-85-8

acrylic acid methyl ester

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
Stage #1: 4-hydroxy-2-nitrobenzenediazonium tetrafluoroborate; acrylic acid methyl ester With sodium acetate; palladium diacetate In methanol at 20℃; for 12h; Mizoroki-Heck reaction; Inert atmosphere;
Stage #2: With hydrogen; pyrographite In methanol at 20℃; under 750.075 Torr; for 24h;
Stage #3: With hydrogenchloride In methanol; water
360 mg
N-(4-hydroxy-2-nitrophenyl)-acetamide
7403-75-0

N-(4-hydroxy-2-nitrophenyl)-acetamide

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: boron trifluoride - methanol (1/1) / methanol / 5 h / Inert atmosphere; Reflux
1.2: 0.33 h / -15 - 0 °C
2.1: sodium acetate; palladium diacetate / methanol / 12 h / 20 °C
3.1: pyrographite; hydrogen / methanol / 24 h / 750.08 Torr
View Scheme
C10H9NO5

C10H9NO5

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
With hydrogen; pyrographite In methanol under 750.075 Torr; for 24h;360 mg
m-Hydroxyaniline
591-27-5

m-Hydroxyaniline

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium hydrogencarbonate / acetonitrile / 0 °C
2: aluminum (III) chloride / dichloromethane
View Scheme
Multi-step reaction with 2 steps
1: sodium hydroxide / 2 h / 25 °C / pH 9
2: boron trifluoride diethyl etherate / toluene / 2 h / 60 °C
View Scheme
Multi-step reaction with 2 steps
1.1: sodium hydrogencarbonate / dichloromethane / 0.5 h / 20 °C / Inert atmosphere
1.2: 2 h / 20 °C / Inert atmosphere
2.1: aluminum (III) chloride / N,N-dimethyl acetamide / 4 h / 70 - 140 °C
View Scheme
C9H11NO3

C9H11NO3

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In toluene at 60℃; for 2h; Temperature;
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

7-(tert-butyl-dimethylsilanyloxy)-3,4-dihydro-1H-quinolin-2-one
1427053-51-7

7-(tert-butyl-dimethylsilanyloxy)-3,4-dihydro-1H-quinolin-2-one

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide at 0℃;99.4%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

7-hydroxy-1,2,3,4-tetrahydroquinoline
58196-33-1

7-hydroxy-1,2,3,4-tetrahydroquinoline

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran Inert atmosphere; Cooling with ice; Reflux;98%
With sodium tetrahydroborate In tetrahydrofuran at 0℃; Reflux;98%
With lithium aluminium tetrahydride In tetrahydrofuran Cooling with ice; Reflux;95%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

1-bromomethyl-3-chlorobenzene
766-80-3

1-bromomethyl-3-chlorobenzene

7-((3-chlorobenzyl)oxy)-3,4-dihydroquinolin-2(1H)-one
1458219-01-6

7-((3-chlorobenzyl)oxy)-3,4-dihydroquinolin-2(1H)-one

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 60℃; for 18h;97%
With potassium carbonate In acetonitrile for 8h; Reflux;68%
With potassium hydroxide In ethanol for 5h; Reflux;32%
4-chlorobutyl bromide
6940-78-9

4-chlorobutyl bromide

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

7-(4-chlorobutoxy)-3,4-dihydroquinoline-2(1H)-one
120004-79-7

7-(4-chlorobutoxy)-3,4-dihydroquinoline-2(1H)-one

Conditions
ConditionsYield
With lithium hydroxide In water; N,N-dimethyl-formamide at 40 - 50℃; for 3h; Reagent/catalyst; Solvent; Sealed tube; Large scale;95%
With potassium carbonate; polyethylene glycol-400 In water; acetone at 20℃; for 15.1667 - 16.1667h;94%
With potassium carbonate In N,N-dimethyl-formamide at 20 - 30℃; for 24h; Solvent; Temperature; Large scale;93.2%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

2-Bromo-2'-acetonaphthone
613-54-7

2-Bromo-2'-acetonaphthone

7-[2-(naphthalen-2-yl)-2-oxoethoxy]-3,4-dihydroquinolin-2(1H)-one
1303566-73-5

7-[2-(naphthalen-2-yl)-2-oxoethoxy]-3,4-dihydroquinolin-2(1H)-one

Conditions
ConditionsYield
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 2-Bromo-2'-acetonaphthone In N,N-dimethyl-formamide at 20℃; for 24h;
95%
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 2-Bromo-2'-acetonaphthone In N,N-dimethyl-formamide at 20℃; for 24h;
88%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

4-chlorobutanal dimethyl acetal
29882-07-3

4-chlorobutanal dimethyl acetal

7-(4,4-dimethoxybutoxy)-3,4-dihydro-1H-quinolin-2-one
1359159-57-1

7-(4,4-dimethoxybutoxy)-3,4-dihydro-1H-quinolin-2-one

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium carbonate In dimethyl sulfoxide at 115℃; for 4h;95%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

7-hydroxy-1H-quinolin-2-one
70500-72-0

7-hydroxy-1H-quinolin-2-one

Conditions
ConditionsYield
With palladium 10% on activated carbon; water; oxygen; acetic acid at 110 - 116℃; for 18h; Reagent/catalyst; Temperature;94.2%
With palladium 10% on activated carbon In decalin at 180℃; for 8h;90.9%
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In tetrahydrofuran at 66℃; for 4h; Catalytic behavior; Concentration; Solvent; Temperature;89%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

4-methoxy-benzoyl chloride
100-07-2

4-methoxy-benzoyl chloride

7-(4-methoxybenzoyloxy)-3,4-dihydro-1H-quinolin-2-one

7-(4-methoxybenzoyloxy)-3,4-dihydro-1H-quinolin-2-one

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 5h;93.3%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

1,4-dichlorobutane-d8

1,4-dichlorobutane-d8

C13H8(2)H8ClNO2

C13H8(2)H8ClNO2

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 80℃; for 3h; Inert atmosphere;92%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

C14H19Cl3N2*ClH

C14H19Cl3N2*ClH

aripiprazole
129722-12-9

aripiprazole

Conditions
ConditionsYield
With potassium carbonate In water at 99℃; for 5h; Reagent/catalyst; Temperature;91.4%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

7-(4-bromobutoxy)-3,4-dihydro-2(1H)-quinolinone
129722-34-5

7-(4-bromobutoxy)-3,4-dihydro-2(1H)-quinolinone

Conditions
ConditionsYield
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With potassium carbonate In water; acetone at 20℃; for 1h;
Stage #2: 1,4-dibromo-butane In water; acetone at 20℃; for 16h;
91%
With potassium iodide; sodium hydroxide In acetonitrile at 30℃; for 16h;85%
With sodium hydroxide In ethanol for 2.5h; Heating;83%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

1,4-dichlorobutane
110-56-5

1,4-dichlorobutane

7-(4-chlorobutoxy)-3,4-dihydroquinoline-2(1H)-one
120004-79-7

7-(4-chlorobutoxy)-3,4-dihydroquinoline-2(1H)-one

Conditions
ConditionsYield
With potassium carbonate In propan-1-ol for 8 - 10h; Product distribution / selectivity; Heating / reflux;91%
With potassium carbonate; sodium sulfate; Aliquat 336 In toluene for 14h; Product distribution / selectivity; Heating / reflux;75%
With potassium carbonate In ISOPROPYLAMIDE at 90 - 95℃; for 15 - 16h;75%
With potassium carbonate In acetonitrile for 22h; Product distribution / selectivity; Heating / reflux;74%
With potassium carbonate In propan-1-ol; isopropyl alcohol for 19h; Product distribution / selectivity; Heating / reflux;66%
1 ,6-dibromohexane
629-03-8

1 ,6-dibromohexane

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

7-((6-bromohexyl)oxy)-3,4-dihydroquinolin-2(1H)-one
1303529-03-4

7-((6-bromohexyl)oxy)-3,4-dihydroquinolin-2(1H)-one

Conditions
ConditionsYield
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With potassium carbonate In water; acetone at 20℃; for 1h;
Stage #2: 1 ,6-dibromohexane In water; acetone at 20℃; for 16h;
91%
With potassium carbonate In acetonitrile at 60 - 65℃; Inert atmosphere;56.8%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

7-(4-bromobutoxy)-3,4-dihydro-2(1H)-quinolinone
129722-34-5

7-(4-bromobutoxy)-3,4-dihydro-2(1H)-quinolinone

7-(4-(2-oxo-1,2,3,4-tetrahydroquinolin-7-oxy)butoxy)-3,4-dihydroquinoline-2(1H)-one

7-(4-(2-oxo-1,2,3,4-tetrahydroquinolin-7-oxy)butoxy)-3,4-dihydroquinoline-2(1H)-one

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃;90.9%
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With sodium hydroxide In methanol for 2h; Heating;
Stage #2: 7-(4-bromobutoxy)-3,4-dihydro-2(1H)-quinolinone In N,N-dimethyl-formamide at 20℃; Further stages.;
16.8 g
With potassium hydroxide In ethanol Reflux;
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

7-((5-bromopentyl)oxy)-3,4-dihydroquinolin-2(1H)-one
63309-41-1

7-((5-bromopentyl)oxy)-3,4-dihydroquinolin-2(1H)-one

Conditions
ConditionsYield
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With potassium carbonate In water; acetone at 20℃; for 1h;
Stage #2: 1,5-dibromo-pentane In water; acetone at 20℃; for 16h;
90%
With potassium carbonate In acetonitrile at 60 - 65℃; Inert atmosphere;60.2%
With potassium hydroxide In isopropyl alcohol for 4h; Heating;53%
With potassium carbonate In acetonitrile at 50℃; for 20h;
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

methyl iodide
74-88-4

methyl iodide

7-methoxy-2-oxo-1,2,3,4-tetrahydroquinoline
22246-17-9

7-methoxy-2-oxo-1,2,3,4-tetrahydroquinoline

Conditions
ConditionsYield
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With potassium carbonate In isopropyl alcohol at 20℃; for 0.5h; Inert atmosphere;
Stage #2: methyl iodide In isopropyl alcohol for 60h; Reflux;
90%
In N,N-dimethyl-formamide at 20℃;82%
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 18h;63%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

1,3-dibromo-propane
109-64-8

1,3-dibromo-propane

7-(3-bromopropoxy)-3,4-dihydroquinolin-2(1H)-one
82657-32-7

7-(3-bromopropoxy)-3,4-dihydroquinolin-2(1H)-one

Conditions
ConditionsYield
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With potassium carbonate In water; acetone at 20℃; for 1h;
Stage #2: 1,3-dibromo-propane In water; acetone at 20℃; for 16h;
90%
With potassium carbonate In ethanol Reflux;88%
With potassium carbonate In acetonitrile at 60 - 65℃; Inert atmosphere;65.3%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

t-butyl 4-(2-nitrophenylsulfonyloxy)piperidine-1-carboxylate
1092366-87-4

t-butyl 4-(2-nitrophenylsulfonyloxy)piperidine-1-carboxylate

tert-butyl 4-[(2-oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy]piperidine-1-carboxylate
583031-07-6

tert-butyl 4-[(2-oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy]piperidine-1-carboxylate

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 50℃; for 7h; Williamson Synthesis;87%
With triethylamine In dichloromethane
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

6-bromo-7-hydroxy-3,4-dihydro-1H-quinolin-2-one
1194459-28-3

6-bromo-7-hydroxy-3,4-dihydro-1H-quinolin-2-one

Conditions
ConditionsYield
With N-Bromosuccinimide In N,N-dimethyl-formamide at 0℃; for 9h;87%
With N-Bromosuccinimide58%
With N-Bromosuccinimide In N,N-dimethyl-formamide at 0 - 20℃;0.82 g
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

trifluoromethylsulfonic anhydride
358-23-6

trifluoromethylsulfonic anhydride

2-oxo-1,2,3,4-tetrahydroquinolin-7-yl trifluoromethanesulfonate
882023-50-9

2-oxo-1,2,3,4-tetrahydroquinolin-7-yl trifluoromethanesulfonate

Conditions
ConditionsYield
With pyridine In dichloromethane at 10 - 30℃; for 3h;85%
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With pyridine In chloroform at 20℃; for 0.166667h;
Stage #2: trifluoromethylsulfonic anhydride In chloroform at 20℃; for 1.5h; Cooling with ice;
67%
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With pyridine In chloroform at 0 - 40℃; for 0.166667h;
Stage #2: trifluoromethylsulfonic anhydride In chloroform at 10 - 15℃; for 1.58333h;
With pyridine In chloroform at 0 - 23℃; for 18h; Inert atmosphere; Schlenk technique;
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

α-bromoacetophenone
70-11-1

α-bromoacetophenone

3,4-dihydro-7-(2-oxo-2-phenylethoxy)quinolin-2(1H)-one

3,4-dihydro-7-(2-oxo-2-phenylethoxy)quinolin-2(1H)-one

Conditions
ConditionsYield
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h; deprotonation;
Stage #2: α-bromoacetophenone In N,N-dimethyl-formamide at 20℃; for 24h; Alkylation;
84%
With potassium carbonate
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

benzyl bromide
100-39-0

benzyl bromide

7-(benzyloxy)-3,4-dihydro-2(1H)-quinolinone
92962-89-5

7-(benzyloxy)-3,4-dihydro-2(1H)-quinolinone

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide for 16h;84%
With potassium carbonate In acetonitrile Heating;79%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 16h;67%
With potassium hydroxide In ethanol for 5h; Reflux;57%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

(4-bromobutoxy)-tert-butyldimethylsilane
89043-32-3

(4-bromobutoxy)-tert-butyldimethylsilane

7-(4-((tert-butyldimethylsilyl)oxy)butoxy)-3,4-dihydroquinolin-2(1H)-one

7-(4-((tert-butyldimethylsilyl)oxy)butoxy)-3,4-dihydroquinolin-2(1H)-one

Conditions
ConditionsYield
With potassium carbonate In ethanol Reflux;84%
With potassium carbonate; potassium iodide Reflux;84%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

2-Bromo-4'-phenylacetophenone
135-73-9

2-Bromo-4'-phenylacetophenone

7-[2-(1,1'-biphenyl-4-yl)-2-oxoethoxy]-3,4-dihydroquinolin-2(1H)-one

7-[2-(1,1'-biphenyl-4-yl)-2-oxoethoxy]-3,4-dihydroquinolin-2(1H)-one

Conditions
ConditionsYield
Stage #1: 7-hydroxy-3,4-dihydro-2-(1H)-quinolinone With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h; deprotonation;
Stage #2: 2-Bromo-4'-phenylacetophenone In N,N-dimethyl-formamide at 20℃; for 24h; Alkylation;
80%
With potassium carbonate
4-chlorobutyl bromide
6940-78-9

4-chlorobutyl bromide

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

A

7-(4-(2-oxo-1,2,3,4-tetrahydroquinolin-7-oxy)butoxy)-3,4-dihydroquinoline-2(1H)-one

7-(4-(2-oxo-1,2,3,4-tetrahydroquinolin-7-oxy)butoxy)-3,4-dihydroquinoline-2(1H)-one

B

7-(4-chlorobutoxy)-3,4-dihydroquinoline-2(1H)-one
120004-79-7

7-(4-chlorobutoxy)-3,4-dihydroquinoline-2(1H)-one

Conditions
ConditionsYield
With sodium hydroxide In ISOPROPYLAMIDE at 36 - 40℃; for 4h; Product distribution / selectivity;A 0.3%
B 80%
7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

N,N-diethylcarbamyl chloride
88-10-8

N,N-diethylcarbamyl chloride

2-oxo-1,2,3,4-tetrahydroquinolin-7-yl diethylcarbamate

2-oxo-1,2,3,4-tetrahydroquinolin-7-yl diethylcarbamate

Conditions
ConditionsYield
With pyridine for 12h; Reflux;80%
2-(morpholin-4-yl)ethanol
622-40-2

2-(morpholin-4-yl)ethanol

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

7-(2-morpholinoethoxy)-3,4-dihydroquinolin-2(1H)-one
1609210-11-8

7-(2-morpholinoethoxy)-3,4-dihydroquinolin-2(1H)-one

Conditions
ConditionsYield
With cyanomethylenetributyl-phosphorane In toluene at 100℃; for 16h; Mitsunobu Displacement;80%
2-(4-methylpiperazinyl)ethanol
5464-12-0

2-(4-methylpiperazinyl)ethanol

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone
22246-18-0

7-hydroxy-3,4-dihydro-2-(1H)-quinolinone

7-[2-(4-methylpiperazin-1-yl)ethoxy]-3,4-dihydroquinolin-2(1H)-one

7-[2-(4-methylpiperazin-1-yl)ethoxy]-3,4-dihydroquinolin-2(1H)-one

Conditions
ConditionsYield
With cyanomethylenetributyl-phosphorane In toluene at 100℃; for 16h; Mitsunobu Displacement;80%
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