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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

4H-3,1-Benzoxazin-4-one,2-methyl-

Cas:525-76-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

marvel pharm Limited

After years of continuous optimization of the process line by Marvelpharm limited, 2-Methyl-3, 1-Benzoxazin-4-One (CAS No: 525-76-8) is a product with higher purity, more stable product properties and is not easy to deteriorate. Moreover, the current

2-Methyl-4H-3,1-benzoxazin-4-one,2-Methyl-3,1-Benzoxaza-4-One

Cas:525-76-8

Min.Order:100 Kilogram

Negotiable

Type:Other

inquiry

Wuhan Circle Star Chem-medical Technology co.,Ltd.

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualified

Factory Supply 2-Methyl-4H-3,1-benzoxazin-4-one Supplier Manufacturer With Competitive Price

Cas:525-76-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

High quality 2-METHYL-3,1-BENZOXAZA-4-ONE for hot sale

Cas:525-76-8

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 525-76-8 2-METHYL-3,1-BENZOXAZA-4-ONE

Cas:525-76-8

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

inquiry

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

525-76-8 4H-3,1-Benzoxazin-4-one,2-methyl-

Cas:525-76-8

Min.Order:1 Kilogram

FOB Price: $2.0

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 2-Methyl-4H-benzo [d] [1,3]oxazin-4o

Cas:525-76-8

Min.Order:1

Negotiable

Type:Other

inquiry

Chemwill Asia Co., Ltd.

CHemwill -- 2-Methyl-3,1-benzoxazin-4-one

Cas:525-76-8

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. High quality and competitive price: 1) Standard: BP/USP/EP/ enterprise standard 2) All purity ≥99% 3) We are manufacturers and can provide high quality products at factory prices. 2. Fast and safe delivery 1) The package c

2-Methyl-4H-3,1-benzoxazin-4-oneCAS: 525-76-8

Cas:525-76-8

Min.Order:1 Kilogram

FOB Price: $5.0 / 10.0

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

Manufacturer supply CAS 525-76-8 with best price

Cas:525-76-8

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

2-METHYL-3,1-BENZOXAZA-4-ONE CAS525-76-8

Cas:525-76-8

Min.Order:1 Kilogram

FOB Price: $7.0 / 9.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

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

4H-3,1-Benzoxazin-4-one,2-methyl- 525-76-8

Cas:525-76-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2-METHYL-3,1-BENZOXAZA-4-ONE CAS:525-76-8 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 quality organi

2-METHYL-3,1-BENZOXAZA-4-ONE CAS:525-76-8

Cas:525-76-8

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

4H-3,1-Benzoxazin-4-one,2-methyl-

Cas:525-76-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Superiority Product Detail Minimum Order Qty.

98.5%High purity best price 2-METHYL-3,1-BENZOXAZA-4-ONE,CAS 525-76-8

Cas:525-76-8

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

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

2-Methylbenzisoxazinone

Cas:525-76-8

Min.Order:10 Kilogram

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

4H-3,1-Benzoxazin-4-one,2-methyl-

Cas:525-76-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis: Trading(Raw Mater

2-METHYL-3,1-BENZOXAZA-4-ONE

Cas:525-76-8

Min.Order:0 Metric Ton

FOB Price: $18.0 / 20.0

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

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

2-METHYL-3,1-BENZOXAZA-4-ONE

Cas:525-76-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hefei Zhaobo Technology Co., Ltd.

2-METHYL-3,1-BENZOXAZA-4-ONE cas 525-76-8 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quali

2-METHYL-3,1-BENZOXAZA-4-ONE cas 525-76-8

Cas:525-76-8

Min.Order:1 Kilogram

FOB Price: $10.0 / 50.0

Type:Trading Company

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

2-METHYL-3,1-BENZOXAZA-4-ONE

Cas:525-76-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Miheng Trading Co., Ltd.

2-METHYL-3,1-BENZOXAZA-4-ONE CAS 525-76-8 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to

2-METHYL-3,1-BENZOXAZA-4-ONE CAS 525-76-8

Cas:525-76-8

Min.Order:1 Kilogram

FOB Price: $50.0 / 100.0

Type:Trading Company

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

4H-3,1-Benzoxazin-4-one,2-methyl-

Cas:525-76-8

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 2-Methyl-4H-benzo [d] [1,3]oxazin-4o

Cas:525-76-8

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

2-Methylbenzisoxazinone

Cas:525-76-8

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:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:Used as Pharmaceutical Intermediates Transporta

4H-3,1-Benzoxazin-4-one,2-methyl-

Cas:525-76-8

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Zibo Dorne chemical technology co. LTD

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

2-Methyl-4H-3,1-benzoxazin-4-one

Cas:525-76-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

High Purity 2-METHYL-3,1-BENZOXAZA-4-ONE

Cas:525-76-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: 2-METHYL-3,1-BENZOXAZA-4-ONE Synonyms: TIMTEC-BB SBB000135;2-methyl-4h-1-benzoxazin-4-one;3-methyl-1-phenyl-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidine-2,4-dione;2-METHYL-3,1-BENZOXAZA-4-ONE;2-METHYL-4H-3,1-BENZOXAZIN-4-ONE;ACETYL ANT

2-METHYL-3,1-BENZOXAZA-4-ONE

Cas:525-76-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

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

4H-3,1-Benzoxazin-4-one,2-methyl-

Cas:525-76-8

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Synthetic route

acetic anhydride
108-24-7

acetic anhydride

anthranilic acid
118-92-3

anthranilic acid

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
Heating;100%
at 130℃; for 0.166667h; Irradiation;100%
at 130℃; for 3h;100%
carbon monoxide
201230-82-2

carbon monoxide

2-iodophenylamine
615-43-0

2-iodophenylamine

acetyl chloride
75-36-5

acetyl chloride

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; N-ethyl-N,N-diisopropylamine; palladium diacetate In tetrahydrofuran at 100℃; under 15514.9 Torr; for 24h;99%
With N-ethyl-N,N-diisopropylamine In 2-methyltetrahydrofuran at 100℃; under 15001.5 Torr; for 24h; Autoclave;94%
With C22H28Br2N4Pd; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 80℃; under 3000.3 Torr; for 40h; Autoclave;60%
o-acetylamino-benzoic acid
89-52-1

o-acetylamino-benzoic acid

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With triphenyl phosphite In pyridine at 100℃; for 2h;90%
With acetic anhydride at 130℃; for 1h;90%
With acetic anhydride for 3h; Cyclization; Heating;88%
anthranilic acid
118-92-3

anthranilic acid

Triethyl orthoacetate
78-39-7

Triethyl orthoacetate

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
for 0.1h; Irradiation;90%
at 100℃; for 0.75h; Time; Microwave irradiation; Inert atmosphere;82%
With acetic acid Reflux;75%
carbon monoxide
201230-82-2

carbon monoxide

acetic anhydride
108-24-7

acetic anhydride

2-bromoaniline
615-36-1

2-bromoaniline

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With potassium tetrachloropalladate(II); N-ethyl-N,N-diisopropylamine; catacxium A In toluene at 100℃; under 1500.15 Torr; for 16h; Catalytic behavior; Solvent; Reagent/catalyst; Autoclave;90%
2-carboxymalonanilic acid ethyl ester
101646-18-8

2-carboxymalonanilic acid ethyl ester

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With PPA; Polyphosphoric acid (PPA) for 1h;89%
N-(2-acetylphenyl)acetamide
5234-26-4

N-(2-acetylphenyl)acetamide

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
Stage #1: N-(2-acetylphenyl)acetamide With iodine; sodium hydrogencarbonate In dimethyl sulfoxide at 20℃; for 0.0333333h;
Stage #2: With tert.-butylhydroperoxide In nonane; dimethyl sulfoxide at 95℃; for 3h;
89%
anthranilic acid
118-92-3

anthranilic acid

CH3COX

CH3COX

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
85%
1-Acetyl-2,1-benzisoxazol-3(1H)-one
33047-12-0

1-Acetyl-2,1-benzisoxazol-3(1H)-one

A

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

B

N-Acetylanthranilic acid

N-Acetylanthranilic acid

Conditions
ConditionsYield
at 550℃; under 0.01 Torr; Elimination; Cyclization;A 80%
B 6%
2-azidobenzoic acid
31162-13-7

2-azidobenzoic acid

acetyl chloride
75-36-5

acetyl chloride

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With 1,1,3,3-Tetramethyldisiloxane; copper(II) bis(trifluoromethanesulfonate); triethylamine; triphenylphosphine In toluene at 110℃; Aza-Wittig Reaction; Reflux;73%
C9H7N3O3

C9H7N3O3

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With triphenylphosphine In toluene at 20℃; Aza-Wittig Reaction;73%
o-iodoacetanilide
19591-17-4

o-iodoacetanilide

phenyl formate
1864-94-4

phenyl formate

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With palladium diacetate; triethylamine; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In N,N-dimethyl-formamide at 80℃; for 5h; Inert atmosphere;63%
3-azido-3-methylphthalide

3-azido-3-methylphthalide

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
In xylene Heating;62%
acetic anhydride
108-24-7

acetic anhydride

anthranilic acid
118-92-3

anthranilic acid

A

4-Hydroxyquinazoline
491-36-1

4-Hydroxyquinazoline

B

2-methyl-4-quinazolone
1769-24-0

2-methyl-4-quinazolone

C

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
at 150℃; for 0.333333h; Niementowski quinazoline reaction; Microwave irradiation; Sealed tube;A 60%
B n/a
C 20%
2-methyl-1H-indole
95-20-5

2-methyl-1H-indole

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With potassium phosphate; 5,6-bis(5-methoxythiophen-2-yl)pyrazine-2,3-dicarbonitrile; oxygen; acetic acid In water; acetonitrile at 25℃; pH=12.7; Irradiation; chemoselective reaction;58%
formaldehyd
50-00-0

formaldehyd

N-acetyl-2-bromoaniline
614-76-6

N-acetyl-2-bromoaniline

A

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

B

Acetanilid
103-84-4

Acetanilid

Conditions
ConditionsYield
With potassium acetate; palladium diacetate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In o-xylene at 110℃; for 18h; Schlenk technique; Inert atmosphere;A 45%
B 50%
2-methyl-1H-indole
95-20-5

2-methyl-1H-indole

A

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

B

2-methyl-2-(2-methyl-1H-indol-3-yl)-1,2-dihydro-3H-indol-3-one
23740-95-6

2-methyl-2-(2-methyl-1H-indol-3-yl)-1,2-dihydro-3H-indol-3-one

Conditions
ConditionsYield
With 2,2'-azobis(isobutyronitrile); Trimethylacetic acid In toluene at 60℃;A 30%
B 48%
carbon monoxide
201230-82-2

carbon monoxide

o-iodoacetanilide
19591-17-4

o-iodoacetanilide

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With triethylamine In acetonitrile at 250℃; under 49403.3 Torr; for 16h; Heck Reaction; Autoclave;36%
carbon monoxide
201230-82-2

carbon monoxide

2-iodophenylamine
615-43-0

2-iodophenylamine

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With oxygen; copper diacetate; palladium diacetate; potassium carbonate In acetonitrile at 100℃; under 2280.15 Torr; for 24h;14%
anthranil
271-58-9

anthranil

acetic anhydride
108-24-7

acetic anhydride

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
at 130 - 150℃;
N-formylanthranilic acid
3342-77-6

N-formylanthranilic acid

acetic anhydride
108-24-7

acetic anhydride

A

bis-4H-3,1-benzoxazine-4-one
19555-60-3

bis-4H-3,1-benzoxazine-4-one

B

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

2-(2-nitrophenyl)acetic acid
3740-52-1

2-(2-nitrophenyl)acetic acid

acetic anhydride
108-24-7

acetic anhydride

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

acetic anhydride
108-24-7

acetic anhydride

2-((ethoxycarbonyl)amino)benzoic acid
41470-93-3

2-((ethoxycarbonyl)amino)benzoic acid

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

o-acetylamino-benzoic acid
89-52-1

o-acetylamino-benzoic acid

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With triethylamine In benzene Ambient temperature;
2-[1-Methoxy-eth-(Z)-ylideneamino]-benzoic acid
82666-35-1

2-[1-Methoxy-eth-(Z)-ylideneamino]-benzoic acid

A

methanol
67-56-1

methanol

B

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
Equilibrium constant;
anthranilic acid
118-92-3

anthranilic acid

acetic acid
64-19-7

acetic acid

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With <(chlorosulfinyloxy)methylene>dimethylammonium chloride; triethylamine 1.) CH2Cl2, 0-5 deg C, 10 min, 2.) CH2Cl2, RT, overnight; Yield given. Multistep reaction;
With triphenyl phosphite In pyridine at 150℃; for 0.166667h; microwave irradiation;
With pyridine Reflux;
Acetanilid
103-84-4

Acetanilid

CO

CO

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
With Tl(OOCCF3)2; magnesium oxide; lithium chloride; palladium dichloride 1)Tl(OOCCF3)2/CF3COOH,r.t.,overnight 2)PdCl2/MgO/LiCl/MeOH,r.t.,overnight; Yield given. Multistep reaction;
anthranil
271-58-9

anthranil

formic acetic anhydride

formic acetic anhydride

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

Conditions
ConditionsYield
at 100℃;
acetic anhydride
108-24-7

acetic anhydride

N.N'-methyl-di-anthranilic acid

N.N'-methyl-di-anthranilic acid

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

methanol
67-56-1

methanol

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

methyl 2-(acetylamino)benzoate
2719-08-6

methyl 2-(acetylamino)benzoate

Conditions
ConditionsYield
With 1,4-diaza-bicyclo[2.2.2]octane for 1h; Product distribution; Ambient temperature; various acylanthraniles; various alcohols; other bases, temperatures and times;100%
With 1,4-diaza-bicyclo[2.2.2]octane for 1h; Ambient temperature;100%
With ammonia In methanol for 1h; Ambient temperature;95%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

2-(Diethylamino)ethanol
100-37-8

2-(Diethylamino)ethanol

β-(diethylamino)ethyl o-acetamidobenzoate
82679-12-7

β-(diethylamino)ethyl o-acetamidobenzoate

Conditions
ConditionsYield
at 100℃; for 1h;100%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

1,3-dimethoxy-2-nitrobenzene
6665-97-0

1,3-dimethoxy-2-nitrobenzene

3-(2,6-dimethoxyphenyl)-2-methyl-3H-quinazolin-4-one
52898-79-0

3-(2,6-dimethoxyphenyl)-2-methyl-3H-quinazolin-4-one

Conditions
ConditionsYield
With acetic acid Heating / reflux;100%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

3-amino-2-methyl-4-oxoquinazoline
1898-06-2

3-amino-2-methyl-4-oxoquinazoline

Conditions
ConditionsYield
Stage #1: 2-methyl-4-oxo-3,1-benzoxazine With hydrazine hydrate In tetrahydrofuran
Stage #2: With sodium hydroxide In tetrahydrofuran; water
99%
Stage #1: 2-methyl-4-oxo-3,1-benzoxazine In ethanol at 20℃; for 0.0833333h;
Stage #2: With hydrazine hydrate In ethanol at 100℃; for 6h;
99.54%
With pyridine; hydrazine hydrate for 5h; Heating;82%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

tert-butyl alcohol
75-65-0

tert-butyl alcohol

tert-butyl o-acetamidobenzoate
19849-22-0

tert-butyl o-acetamidobenzoate

Conditions
ConditionsYield
With sodium t-butanolate for 3h; Heating;99%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

hexadecylamine
143-27-1

hexadecylamine

3-hexadecyl-2-methylquinazolin-4(3H)-one

3-hexadecyl-2-methylquinazolin-4(3H)-one

Conditions
ConditionsYield
Stage #1: 2-methyl-4-oxo-3,1-benzoxazine In ethanol at 20℃; for 0.0833333h;
Stage #2: hexadecylamine In ethanol at 100℃; for 6h;
98.1%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

3-Aminobenzamide
3544-24-9

3-Aminobenzamide

3-(3-carbamoylphenyl)-2-methylquinazolin-4(3H)-one
24295-53-2

3-(3-carbamoylphenyl)-2-methylquinazolin-4(3H)-one

Conditions
ConditionsYield
With acetic acid Reflux;98%
In acetic acid Reflux;
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

ethanol
64-17-5

ethanol

ethyl N-acetylanthranilate
20628-20-0

ethyl N-acetylanthranilate

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In 1,4-dioxane for 0.166667h; Inert atmosphere; Sealed tube; Microwave irradiation; Heating;97%
In ethanol for 1h; Ambient temperature;90%
With sodium methylate for 1h; Ambient temperature;88%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

naphthalen-2-ylamine
91-59-8

naphthalen-2-ylamine

2-methyl-3-(naphthalen-2-yl)quinazolin-4(3H)-one
4207-03-8

2-methyl-3-(naphthalen-2-yl)quinazolin-4(3H)-one

Conditions
ConditionsYield
Stage #1: 2-methyl-4-oxo-3,1-benzoxazine In ethanol at 20℃; for 0.0833333h;
Stage #2: naphthalen-2-ylamine In ethanol at 100℃; for 6h;
96.44%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

phenol
108-95-2

phenol

phenyl 2-acetamidobenzoate
33163-29-0

phenyl 2-acetamidobenzoate

Conditions
ConditionsYield
With sodium hydroxide for 3h; Heating;96%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

4-bromo-aniline
106-40-1

4-bromo-aniline

3-(4-bromophenyl)-2-methylquinazolin-4(3H)-one
1788-95-0

3-(4-bromophenyl)-2-methylquinazolin-4(3H)-one

Conditions
ConditionsYield
Stage #1: 2-methyl-4-oxo-3,1-benzoxazine In ethanol at 20℃; for 0.0833333h;
Stage #2: 4-bromo-aniline In ethanol at 100℃; for 6h;
95.13%
at 80℃; for 2.5h; Molecular sieve; Green chemistry;53%
Heating;30%
With trichlorophosphate Heating;
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

2,2-Bis-<4-(2-N-acetylamino-benzoyloxy)-phenyl>-propan
32001-92-6

2,2-Bis-<4-(2-N-acetylamino-benzoyloxy)-phenyl>-propan

Conditions
ConditionsYield
With pyridine for 3h; Heating;95%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

3-(2-Acetylamino-phenyl)-2-cyano-3-oxo-propionic acid ethyl ester
1026672-88-7

3-(2-Acetylamino-phenyl)-2-cyano-3-oxo-propionic acid ethyl ester

Conditions
ConditionsYield
With potassium tert-butylate In tert-butyl alcohol 1.) r.t., 1 h, 2.) r.t., 2 h;95%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

2-methyl-6-nitro-4H-benzo[d][1,3]oxazin-4-one
10073-89-9

2-methyl-6-nitro-4H-benzo[d][1,3]oxazin-4-one

Conditions
ConditionsYield
With sulfuric acid; nitric acid Heating;95%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

4-chloro-aniline
106-47-8

4-chloro-aniline

3-(4-chlorophenyl)-2-methyl-3H-quinazolin-4-one
1788-93-8

3-(4-chlorophenyl)-2-methyl-3H-quinazolin-4-one

Conditions
ConditionsYield
Stage #1: 2-methyl-4-oxo-3,1-benzoxazine In ethanol at 20℃; for 0.0833333h;
Stage #2: 4-chloro-aniline In ethanol at 100℃; for 6h;
94.78%
With sodium acetate In acetic acid for 5h; Reflux;89%
at 80℃; for 2h; Molecular sieve; Green chemistry;89%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

1,6-hexanediol
629-11-8

1,6-hexanediol

hexamethylene bis(o-acetamidobenzoate)
82679-11-6

hexamethylene bis(o-acetamidobenzoate)

Conditions
ConditionsYield
With pyridine for 0.5h; Ambient temperature;94%
2-chloro-3-aminopyridine
6298-19-7

2-chloro-3-aminopyridine

2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

2-methyl-3-(2'-chloropyrid-3'-yl)quinazolin-4-one
20091-81-0

2-methyl-3-(2'-chloropyrid-3'-yl)quinazolin-4-one

Conditions
ConditionsYield
at 140℃; for 2h;92%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

4-amino-phenol
123-30-8

4-amino-phenol

1-(2-methyl-4-oxo-4H-quinazolin-3-yl)-4-hydroxybenzene
1789-09-9

1-(2-methyl-4-oxo-4H-quinazolin-3-yl)-4-hydroxybenzene

Conditions
ConditionsYield
With acetic acid for 4h; Reflux;92%
In N,N-dimethyl-formamide at 140℃; for 4h;79%
In N,N-dimethyl-formamide for 2h; Heating;71%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

2-methyl-3-(3-carboxyphenyl)-quinazolin-4(3H)-one
56982-15-1

2-methyl-3-(3-carboxyphenyl)-quinazolin-4(3H)-one

Conditions
ConditionsYield
With methanol vapor at 25℃; for 15h;92%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

meta-aminobenzoic acid
99-05-8

meta-aminobenzoic acid

2-methyl-3-(3-carboxyphenyl)-quinazolin-4(3H)-one
56982-15-1

2-methyl-3-(3-carboxyphenyl)-quinazolin-4(3H)-one

Conditions
ConditionsYield
With acetic acid for 5h; Reflux;92%
With acetic acid for 5h; Reflux;92%
In acetic acid Reflux;
With acetic acid for 5h; Reflux;
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

2-methyl-4-quinazolone
1769-24-0

2-methyl-4-quinazolone

Conditions
ConditionsYield
With ammonium hydroxide In ethanol at 20℃; for 48h; Substitution;91%
With ammonia In ethanol for 2h; Reflux;85%
With formamide for 3h; Heating;85%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

2-(3,4-dimethoxyphenyl)-ethylamine
120-20-7

2-(3,4-dimethoxyphenyl)-ethylamine

3-[2-(3,4-dimethoxy phenyl)-ethyl]-2-methyl-3H-quinazoline-4-one
854-08-0

3-[2-(3,4-dimethoxy phenyl)-ethyl]-2-methyl-3H-quinazoline-4-one

Conditions
ConditionsYield
In N,N-dimethyl-formamide Reflux; Inert atmosphere;90%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

tryptamine
61-54-1

tryptamine

3-[2-(3-indolyl)ethyl]-2-methyl-4(3H)-quinazolinone
103970-47-4

3-[2-(3-indolyl)ethyl]-2-methyl-4(3H)-quinazolinone

Conditions
ConditionsYield
at 205℃; for 1.5h;89%
With acetic acid for 5h; Reflux;
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

aniline
62-53-3

aniline

2-Methyl-3-phenyl-4(3H)-quinazolinone
2385-23-1

2-Methyl-3-phenyl-4(3H)-quinazolinone

Conditions
ConditionsYield
With pyridine; phosphorus pentoxide at 90 - 95℃; for 26h;89%
With pyridine; phosphorus pentoxide at 90 - 95℃; for 26h;89%
at 80℃; for 3h; Molecular sieve; Green chemistry;74%
2-methyl-4-oxo-3,1-benzoxazine
525-76-8

2-methyl-4-oxo-3,1-benzoxazine

2-acetamidobenzamide
33809-77-7

2-acetamidobenzamide

Conditions
ConditionsYield
With ammonium hydroxide In benzene at 23℃; for 1h; Product distribution;89%
With ammonium hydroxide In tetrahydrofuran at 20℃; for 0.25h;
With ammonia In water at 20℃; for 4h;
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