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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 ch

2H-1,4-Benzoxazin-6-ol, 3,4-dihydro- Manufacturer/High quality/Best price/In stock

Cas:26021-57-8

Min.Order:1 Kilogram

FOB Price: $3.0

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 providi

Factory Supply 3,4-dihydro-2H-1,4-benzoxazin-6-ol

Cas:26021-57-8

Min.Order:1

Negotiable

Type:Other

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory price Cosmetic HYDROXYBENZOMORPHOLINE 26021-57-8 Manufacturer

Cas:26021-57-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM--26021-57-8--3,4-dihydro-2H-1,4-benzoxazin-6-ol in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable bus

TIANFUCHEM--26021-57-8--3,4-dihydro-2H-1,4-benzoxazin-6-ol in stock

Cas:26021-57-8

Min.Order:1 Metric Ton

FOB Price: $2000.0

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-2H-1,4-benzoxazin-6-ol

Cas:26021-57-8

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

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

2H-1,4-Benzoxazin-6-ol, 3,4-dihydro-

Cas:26021-57-8

Min.Order:0

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

2H-1,4-Benzoxazin-6-ol, 3,4-dihydro-

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

2H-1,4-Benzoxazin-6-ol, 3,4-dihydro-

Cas:26021-57-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

3,4-Dihydro-2H-benzo[b][1,4]oxazin-6-ol

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

6-Hydroxybenzomorpholine

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

6-Hydroxy Benzomorpholine

Cas:26021-57-8

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 3,4-dihydro-2H-1,4-benzoxazin-6-ol 1g

Cas:26021-57-8

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

3,4-dihydro-2H-1,4-benzoxazin-6-ol

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

factory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents

2H-1,4-Benzoxazin-6-ol, 3,4-dihydro-

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

2H-1,4-Benzoxazin-6-ol, 3,4-dihydro- cas 26021-57-8Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2H-1,4-Benzoxazin-6-ol, 3,4-dihydro- cas 26021-57-8

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Other

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:100mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po

3,4-dihydro-2H-1,4-benzoxazin-6-ol

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemlyte Solutions

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

3,4-dihydro-2H-1,4-benzoxazin-6-ol

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Other

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

3,4-dihydro-2H-1,4-benzoxazin-6-ol

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

3,4-dihydro-2H-1,4-benzoxazin-6-ol

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Bide Pharmatech Ltd

Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical

3,4-Dihydro-2H-benzo[b][1,4]oxazin-6-ol

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Other

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

3,4-Dihydro-2H-benzo[b][1,4]oxazin-6-ol

Cas:26021-57-8

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

6-hydroxy benzomorpholine

Cas:26021-57-8

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei ShengYang Biological Technology Co. Ltd

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 etc. 3) OEM/ODM Available; 4) Reasonable & Compet

factory price 6-hydroxy benzomorpholine CAS NO.26021-57-8

Cas:26021-57-8

Min.Order:10 Metric Ton

FOB Price: $18.0

Type:Trading Company

inquiry

Changzhou Pesan Chemical Co.,Ltd

Strong R&D strength and team We have a R&D team with around 30 R&D personnel.All of our employees have chemical backgrounds and have worked in the chemical industry for many years.Our laboratory can synthesize target products with wei

6-Hydroxybenzomorpholine 26021-57-8

Cas:26021-57-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 9999.0

Type:Other

inquiry

Changsha Easchem Co.,Limited

Changsha EASCHEM is a leading company in marketing ang distributing chemicals and new materials with establishment in 2013 by reregistering from Easchem International from China. We, EASCHEM, are the brand with the aim for erecting up Big Chemica

High Purity 6 -Hydroxybenzomorpholine supplier in China

Cas:26021-57-8

Min.Order:0 Gram

FOB Price: $12.0 / 50.0

Type:Lab/Research institutions

inquiry

Cerametek Materials(ShenZhen)Co., Ltd.

Cerametek Materials (CMT) is your industrial and R&D supplier: 1. Semiconductor materials: Compounds of II, III, IV, V, VI groups such as Metal Sulfides, Selenides, Tellurides, Arsenide, Antimonide, Phosphide... 2. Advanced ceramic and crys

3,4-Dihydro-2H-1,4-benzoxazin-6-ol

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Other

inquiry

Qingdao Kingway Pharmtech Co., Ltd.

Appearance:Off-white to gray crystalline powder Storage:20℃ Package:Drum Application:API intermediates Transportation:By sea or by air Port:Qingdao

2H-1,4-Benzoxazin-6-ol, 3,4-dihydro-

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

AOPHARM

Aopharm is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in modes of

3,4-dihydro-2H-1,4-benzoxazin-6-ol

Cas:26021-57-8

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

ORCHID CHEMICAL SUPPLIES LTD

6-Hydroxy Benzomorpholine supplierAppearance:Light yellow oil liquid Storage:Keep away of light,cool place Package:25kg/drum;200kg/drum Application:Pharma Intermediate Transportation:Sea/air/courier

6-Hydroxy Benzomorpholine

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Other

inquiry

Capot Chemical Co., Ltd.

At Capot,We can synthesize and purify your complex molecules from 100 gram to 10 tons.Appearance:Clear colorless to light yellow liquid Storage:Dry,Seal and Cool place Package:1G,5G,10G,25G,100G,250G,500G,1KG,5KG,10KG,25KG,50KG,100KG,150KG,200KG. App

6-hydroxy benzomorpholine

Cas:26021-57-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

6-hydroxy-3,4-dihydro-2H-1,4-benzoxazin-3-one
53412-38-7

6-hydroxy-3,4-dihydro-2H-1,4-benzoxazin-3-one

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Conditions
ConditionsYield
With borane-THF In tetrahydrofuran at 0 - 20℃;100%
With borane-THF In tetrahydrofuran at 5 - 20℃; for 24.5h; Inert atmosphere;95%
With borane-THF In tetrahydrofuran at 0 - 20℃; for 24.5h; Inert atmosphere;95%
2-((2,5-dimethoxyphenyl)amino)ethane-1-ol
28226-20-2

2-((2,5-dimethoxyphenyl)amino)ethane-1-ol

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Conditions
ConditionsYield
With SO42-/ZrO2-MnO2 In water at 110℃; for 4h; Reagent/catalyst;79.8%
With hydrogen bromide for 2h; cyclocondensation; demethylation; Heating;76%
6-methoxy-3,4-dihydro-2H-benzo[1,4]oxazine
58960-11-5

6-methoxy-3,4-dihydro-2H-benzo[1,4]oxazine

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Conditions
ConditionsYield
With boron tribromide In dichloromethane at -78 - 20℃; for 2h; Inert atmosphere;69%
2,5-dimethoxyaniline
102-56-7

2,5-dimethoxyaniline

CH2=CHCH2-halide

CH2=CHCH2-halide

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 41 percent / CaCO3 / H2O / 4 h / Heating
2: 76 percent / 62 percent HBr / 2 h / Heating
View Scheme
2-amino-4-methoxyphenol
20734-76-3

2-amino-4-methoxyphenol

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: potassium carbonate / acetonitrile / 10 h / 80 °C / Inert atmosphere
2: lithium aluminium tetrahydride / tetrahydrofuran / 16 h / 0 - 20 °C / Inert atmosphere
3: boron tribromide / dichloromethane / 2 h / -78 - 20 °C / Inert atmosphere
View Scheme
6-methoxy-2H-benzo[b][1,4]oxazin-3(4H)-one
5023-12-1

6-methoxy-2H-benzo[b][1,4]oxazin-3(4H)-one

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: lithium aluminium tetrahydride / tetrahydrofuran / 16 h / 0 - 20 °C / Inert atmosphere
2: boron tribromide / dichloromethane / 2 h / -78 - 20 °C / Inert atmosphere
View Scheme
4-methoxy-2-nitrophenol
1568-70-3

4-methoxy-2-nitrophenol

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: ammonium chloride; iron / tetrahydrofuran; methanol; water / 4 h / 80 °C / Inert atmosphere
2: potassium carbonate / acetonitrile / 10 h / 80 °C / Inert atmosphere
3: lithium aluminium tetrahydride / tetrahydrofuran / 16 h / 0 - 20 °C / Inert atmosphere
4: boron tribromide / dichloromethane / 2 h / -78 - 20 °C / Inert atmosphere
View Scheme
2-chloro-N-(2',5'-dimethoxyphenyl)acetamide
22158-78-7

2-chloro-N-(2',5'-dimethoxyphenyl)acetamide

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: boron tribromide / dichloromethane / 20 °C / Inert atmosphere; Cooling with ice
2: sodium hydride / tetrahydrofuran / 20 °C / Inert atmosphere; Cooling with ice
3: borane-THF / tetrahydrofuran / 24.5 h / 5 - 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1: boron tribromide / dichloromethane / 0 - 20 °C / Inert atmosphere
2: sodium hydride / tetrahydrofuran; mineral oil / 0 - 20 °C / Inert atmosphere
3: borane-THF / tetrahydrofuran / 24.5 h / 0 - 20 °C / Inert atmosphere
View Scheme
2,5-dimethoxyaniline
102-56-7

2,5-dimethoxyaniline

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: triethylamine / acetonitrile / 1 h / Inert atmosphere; Cooling with ice
2: boron tribromide / dichloromethane / 20 °C / Inert atmosphere; Cooling with ice
3: sodium hydride / tetrahydrofuran / 20 °C / Inert atmosphere; Cooling with ice
4: borane-THF / tetrahydrofuran / 24.5 h / 5 - 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 4 steps
1: 1 h / 0 °C / Inert atmosphere
2: boron tribromide / dichloromethane / 0 - 20 °C / Inert atmosphere
3: sodium hydride / tetrahydrofuran; mineral oil / 0 - 20 °C / Inert atmosphere
4: borane-THF / tetrahydrofuran / 24.5 h / 0 - 20 °C / Inert atmosphere
View Scheme
2-chloro-N-(2,5-dihydroxyphenyl)acetamide
102580-34-7

2-chloro-N-(2,5-dihydroxyphenyl)acetamide

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium hydride / tetrahydrofuran / 20 °C / Inert atmosphere; Cooling with ice
2: borane-THF / tetrahydrofuran / 24.5 h / 5 - 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: sodium hydride / tetrahydrofuran; mineral oil / 0 - 20 °C / Inert atmosphere
2: borane-THF / tetrahydrofuran / 24.5 h / 0 - 20 °C / Inert atmosphere
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

acetic anhydride
108-24-7

acetic anhydride

1-(6-hydroxy-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)ethan-1-one
258524-47-9

1-(6-hydroxy-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)ethan-1-one

Conditions
ConditionsYield
In water at 20℃; Sonication; Heating;95%
In water at 20 - 50℃; Sonication;95%
In water for 0.25h; Acetylation; Heating;65%
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

6-(tert-butyl-dimethyl-silanyloxy)-3,4-dihydro-2H-benzo[1,4]oxazine
1446001-82-6

6-(tert-butyl-dimethyl-silanyloxy)-3,4-dihydro-2H-benzo[1,4]oxazine

Conditions
ConditionsYield
Stage #1: 3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.333333h; Inert atmosphere;
Stage #2: tert-butyldimethylsilyl chloride In tetrahydrofuran; mineral oil for 1h; Time;
94%
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

4-nitrobenzenediazonium tetrafluoroborate
456-27-9

4-nitrobenzenediazonium tetrafluoroborate

(E)-7-((4-nitrophenyl)diazenyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-ol

(E)-7-((4-nitrophenyl)diazenyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-ol

Conditions
ConditionsYield
Stage #1: 3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine With hydrogenchloride In methanol; water for 0.25h; Cooling with ice;
Stage #2: 4-nitrobenzenediazonium tetrafluoroborate In methanol; water at 0℃; for 1.25h;
87%
Stage #1: 3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine With hydrogenchloride In methanol; water at 0℃; for 0.25h;
Stage #2: 4-nitrobenzenediazonium tetrafluoroborate In methanol; water at 0℃; for 1.25h;
87%
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

propionic acid anhydride
123-62-6

propionic acid anhydride

1-(6-hydroxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-propan-1-one
258524-49-1

1-(6-hydroxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-propan-1-one

Conditions
ConditionsYield
In water for 0.25h; Acylation; Heating;84%
butanoic acid anhydride
106-31-0

butanoic acid anhydride

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

1-(6-hydroxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-butan-1-one
258524-51-5

1-(6-hydroxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-butan-1-one

Conditions
ConditionsYield
In water for 0.25h; Acylation; Heating;79%
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

benzoic acid anhydride
93-97-0

benzoic acid anhydride

4-benzoyl-6-hydroxy-3,4-dihydro-2H-1,4-benzoxazine
258524-53-7

4-benzoyl-6-hydroxy-3,4-dihydro-2H-1,4-benzoxazine

Conditions
ConditionsYield
In ethyl acetate for 1h; Acylation; Heating;61%
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

Chloroacetic anhydride
541-88-8

Chloroacetic anhydride

4-chloroacetyl-6-hydroxy-3,4-dihydro-2H-1,4-benzoxazine
258524-57-1

4-chloroacetyl-6-hydroxy-3,4-dihydro-2H-1,4-benzoxazine

Conditions
ConditionsYield
In ethyl acetate Acylation; Heating;57%
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

(E)-7-((4-nitrophenyl)diazenyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-ol

(E)-7-((4-nitrophenyl)diazenyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-ol

3,8,9,10-tetrahydro-2H-bis([1,4]oxazino)[2,3-b:3,,2,-i]phenoxazin-4-ium

3,8,9,10-tetrahydro-2H-bis([1,4]oxazino)[2,3-b:3,,2,-i]phenoxazin-4-ium

Conditions
ConditionsYield
With perchloric acid In water; isopropyl alcohol at 80℃;55%
With perchloric acid In water; isopropyl alcohol at 80℃;55%
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

5-ethylamino-4-methyl-2-nitrosophenol hydrochloride
63549-31-5

5-ethylamino-4-methyl-2-nitrosophenol hydrochloride

(Z)-N-(9-methyl-3,4-dihydro-[1,4]oxazino[2,3-b]phenoxazin-8(2H)-ylidene)ethanaminium

(Z)-N-(9-methyl-3,4-dihydro-[1,4]oxazino[2,3-b]phenoxazin-8(2H)-ylidene)ethanaminium

Conditions
ConditionsYield
With perchloric acid In water; isopropyl alcohol at 80℃;44%
With perchloric acid In water; isopropyl alcohol at 80℃;44%
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

ethyl bromide
74-96-4

ethyl bromide

4-ethyl-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-ol
37171-41-8

4-ethyl-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-ol

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 55℃; for 18h;38%
N,N-diethyl-3-methoxy-4-nitrosoaniline

N,N-diethyl-3-methoxy-4-nitrosoaniline

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

N-(3,4-dihydro-[1,4]oxazino[2,3-b]phenoxazin-8(2H)-ylidene)-N-ethylethanaminium

N-(3,4-dihydro-[1,4]oxazino[2,3-b]phenoxazin-8(2H)-ylidene)-N-ethylethanaminium

Conditions
ConditionsYield
With perchloric acid In water; isopropyl alcohol at 80℃;32%
With perchloric acid In water; isopropyl alcohol at 80℃;32%
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

1-(6-oxiranylmethoxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-ethanone
1025874-53-6

1-(6-oxiranylmethoxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-ethanone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 65 percent / H2O / 0.25 h / Heating
2: 59 percent / K2CO3 / 3 h / 90 - 95 °C
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

6-(3-isopropylamino-2-hydroxypropoxy)-3,4-dihydro-2H-1,4-benzoxazine

6-(3-isopropylamino-2-hydroxypropoxy)-3,4-dihydro-2H-1,4-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 65 percent / H2O / 0.25 h / Heating
2: 59 percent / K2CO3 / 3 h / 90 - 95 °C
3: propan-2-ol / 3 h / Heating
4: aq. KOH / methanol / 3 h / 65 - 70 °C
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

1-(6-oxiranylmethoxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-propan-1-one
1026846-85-4

1-(6-oxiranylmethoxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-propan-1-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 84 percent / H2O / 0.25 h / Heating
2: K2CO3 / 3 h / 90 - 95 °C
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

4-diethylaminoacetyl-6-hydroxy-3,4-dihydro-2H-1,4-benzoxazine
258524-59-3

4-diethylaminoacetyl-6-hydroxy-3,4-dihydro-2H-1,4-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 57 percent / ethyl acetate / Heating
2: 63 percent / ethanol / 3 h / Heating
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

6-(3-tert-butylamino-2-hydroxypropoxy)-3,4-dihydro-2H-1,4-benzoxazine

6-(3-tert-butylamino-2-hydroxypropoxy)-3,4-dihydro-2H-1,4-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 65 percent / H2O / 0.25 h / Heating
2: 59 percent / K2CO3 / 3 h / 90 - 95 °C
3: propan-2-ol / 3 h / Heating
4: aq. KOH / methanol / 3 h / 65 - 70 °C
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

1-(6-oxiranylmethoxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-butan-1-one
1026918-15-9

1-(6-oxiranylmethoxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-butan-1-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 79 percent / H2O / 0.25 h / Heating
2: K2CO3 / 3 h / 90 - 95 °C
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

1-[6-(2-hydroxy-3-isopropylamino-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-ethanone
258524-70-8

1-[6-(2-hydroxy-3-isopropylamino-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-ethanone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 65 percent / H2O / 0.25 h / Heating
2: 59 percent / K2CO3 / 3 h / 90 - 95 °C
3: propan-2-ol / 3 h / Heating
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

(6-oxiranylmethoxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-phenyl-methanone

(6-oxiranylmethoxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-phenyl-methanone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 61 percent / ethyl acetate / 1 h / Heating
2: K2CO3 / 3 h / 90 - 95 °C
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

4-acetyl-6-(3-tert-butylamino-2-hydroxy-propoxy)-3,4-dihydro-2H-1,4-benzoxazine
258524-75-3

4-acetyl-6-(3-tert-butylamino-2-hydroxy-propoxy)-3,4-dihydro-2H-1,4-benzoxazine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 65 percent / H2O / 0.25 h / Heating
2: 59 percent / K2CO3 / 3 h / 90 - 95 °C
3: propan-2-ol / 3 h / Heating
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

2-diethylamino-1-(6-oxiranylmethoxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-ethanone
1027928-97-7

2-diethylamino-1-(6-oxiranylmethoxy-2,3-dihydro-benzo[1,4]oxazin-4-yl)-ethanone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 57 percent / ethyl acetate / Heating
2: 63 percent / ethanol / 3 h / Heating
3: K2CO3 / 3 h / 90 - 95 °C
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

1-[6-(2-hydroxy-3-isopropylamino-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-propan-1-one

1-[6-(2-hydroxy-3-isopropylamino-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-propan-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 84 percent / H2O / 0.25 h / Heating
2: K2CO3 / 3 h / 90 - 95 °C
3: propan-2-ol / 3 h / Heating
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

1-[6-(3-tert-butylamino-2-hydroxy-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-propan-1-one

1-[6-(3-tert-butylamino-2-hydroxy-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-propan-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 84 percent / H2O / 0.25 h / Heating
2: K2CO3 / 3 h / 90 - 95 °C
3: propan-2-ol / 3 h / Heating
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

1-[6-(2-hydroxy-3-isopropylamino-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-butan-1-one

1-[6-(2-hydroxy-3-isopropylamino-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-butan-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 79 percent / H2O / 0.25 h / Heating
2: K2CO3 / 3 h / 90 - 95 °C
3: propan-2-ol / 3 h / Heating
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

1-[6-(3-tert-butylamino-2-hydroxy-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-butan-1-one

1-[6-(3-tert-butylamino-2-hydroxy-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-butan-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 79 percent / H2O / 0.25 h / Heating
2: K2CO3 / 3 h / 90 - 95 °C
3: propan-2-ol / 3 h / Heating
View Scheme
3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine
26021-57-8

3,4-dihydro-6-hydroxy-1,4(2H)-benzoxazine

[6-(2-hydroxy-3-isopropylamino-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-phenyl-methanone

[6-(2-hydroxy-3-isopropylamino-propoxy)-2,3-dihydro-benzo[1,4]oxazin-4-yl]-phenyl-methanone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 61 percent / ethyl acetate / 1 h / Heating
2: K2CO3 / 3 h / 90 - 95 °C
3: propan-2-ol / 3 h / Heating
View Scheme

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