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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

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Cas:24683-26-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:pharmaceutical intermed

Manufacturer high quality Piroxicam Impurity K Cas 24683-26-9 with good price

Cas:24683-26-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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

Chemwill Asia Co., Ltd.

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

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide

Cas:24683-26-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate

Cas:24683-26-9

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Trading Company

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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

Manufacturer supply CAS 24683-26-9 with best quality

Cas:24683-26-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

2H-1,2-Benzothiazine-3-carboxylicacid, 4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide

Cas:24683-26-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide Synonyms: (4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl)1,1-dioxide;Ethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide supplier best quality

Cas:24683-26-9

Min.Order:100 Gram

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

4-Hydroxy-2-Methyl-2H-1,2-Benzothiazine-3-Carboxylic Acid Ethylester-1,1-Dioxide

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Manufacturers

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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

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

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

2H-1,2-Benzothiazine-3-carboxylicacid, 4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide

Cas:24683-26-9

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

PiroxicamEPImpurityH;MeloxicamEPImpurityA

Cas:24683-26-9

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylic Ethyl Ester-1,1-Dioxide CAS No,: 24683-26-9 Molecule Formula:C12H13NO5S Molecule Weight:283.30 Purity: 99.0% Package: 25kg/drum Description:White to off-white crystallin

Best Quality 2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylic Ethyl Ester-1,1-Dioxide

Cas:24683-26-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

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

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Trading Company

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Hunan chemfish Pharmaceutical co.,Ltd

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

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

2H-1,2-Benzothiazine-3-carboxylicacid, 4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide

Cas:24683-26-9

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is

High Purity 4-Hydroxy-2-Methyl-2H-1,2-Benzothiazine-3-Carboxylic Acid Ethylester-1,1-Dioxide 24683-26-9

Cas:24683-26-9

Min.Order:100 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

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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

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

4-Hydroxy-2-Methyl-2H-1,2-Benzothiazine-3-Carboxylic Acid Ethylester-1,1-Dioxide

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice.pls contact with us freely for getting detailed product spec

Henan Tianfu Chemical Co., Ltd.

Good quantity Storage:R.T. Package:as per buyers Application:intermediate Transportation:by air/sea

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin

2H-1,2-Benzothiazine-3-carboxylicacid, 4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Piroxicam EP Impurity H;Meloxicam EP Impurity A CAS No.24683-26-9

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Trading Company

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Chemsigma International Co.,Ltd.

bulk productionChemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical manufacturing for overseas customers, in the field of API, pharmaceutical intermediates, chemical intermediates, fine chem

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran

Ethyl 4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to light yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Appl

Meloxicam Related Compoun

Cas:24683-26-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide cas 24683-26-9Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by ex

Synthetic route

4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide
24683-21-4

4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide

dimethyl sulfate
77-78-1

dimethyl sulfate

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Conditions
ConditionsYield
With hydrogenchloride In water at 10℃; for 18h; pH=7.5;78.9%
2-(Ethoxycarbonylmethyl-methyl-sulfamoyl)-benzoic acid ethyl ester
113412-08-1

2-(Ethoxycarbonylmethyl-methyl-sulfamoyl)-benzoic acid ethyl ester

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 5.5h;76%
4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide
24683-21-4

4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide

methyl iodide
74-88-4

methyl iodide

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Conditions
ConditionsYield
With sodium hydroxide In ethanol at 20℃; for 18h;72%
With sodium methylate In N,N-dimethyl-formamide
With sodium hydroxide In ethanol; water at 20℃; for 24h;
ethyl 2-(1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl) acetate
24683-20-3

ethyl 2-(1,1-dioxido-3-oxobenzo[d]isothiazol-2(3H)-yl) acetate

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 68 percent / EtONa / ethanol / 1 h / 55 °C
2: 72 percent / aq. NaOH / ethanol / 18 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 1) NaOEt / 1) room temperature, 7-10 min.; 2) room temperature, 2 h
2: 76 percent / lithium diisopropylamide / tetrahydrofuran / 5.5 h / -78 °C
View Scheme
Multi-step reaction with 2 steps
1: NaOEt / ethanol
2: NaOMe / dimethylformamide
View Scheme
Multi-step reaction with 2 steps
1: sodium methylate / dimethyl sulfoxide / 1 h / 30 °C
2: sodium hydroxide / water; ethanol / 24 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: hydrogenchloride; sodium / ethanol / 0.5 h / 70 °C / pH 8 - 9
2: hydrogenchloride / water / 18 h / 10 °C / pH 7.5
View Scheme
saccharin sodium salt
128-44-9

saccharin sodium salt

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 72 percent / dimethylformamide / 3 h / 100 °C
2: 68 percent / EtONa / ethanol / 1 h / 55 °C
3: 72 percent / aq. NaOH / ethanol / 18 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: N,N-dimethyl-formamide / 3 h / 75 °C
2: hydrogenchloride; sodium / ethanol / 0.5 h / 70 °C / pH 8 - 9
3: hydrogenchloride / water / 18 h / 10 °C / pH 7.5
View Scheme
4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide
24683-21-4

4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide

methyl halide

methyl halide

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Conditions
ConditionsYield
Stage #1: 4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide With sodium hydroxide In ethanol; water
Stage #2: methyl halide In ethanol; water at 20℃; for 12h;
saccharin
81-07-2

saccharin

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium hydride / N,N-dimethyl-formamide / 3.5 h / 80 °C / Cooling with ice
2: sodium methylate / dimethyl sulfoxide / 1 h / 30 °C
3: sodium hydroxide / water; ethanol / 24 h / 20 °C
View Scheme
5-methyl-2-thiazol-2-amine
7305-71-7

5-methyl-2-thiazol-2-amine

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

meloxicam
71125-38-7

meloxicam

Conditions
ConditionsYield
In o-xylene for 24h; Product distribution / selectivity; Heating / reflux;95%
In xylene at 139 - 140℃; for 32 - 37h; Product distribution / selectivity; Heating / reflux; Molecular sieve;92.48%
trifluoromethylsulfonic anhydride
358-23-6

trifluoromethylsulfonic anhydride

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

C13H12F3NO7S2

C13H12F3NO7S2

Conditions
ConditionsYield
With pyridine In dichloromethane at 0℃; for 24.1667h;92%
With pyridine In dichloromethane
5-methyl-2-thiazol-2-amine
7305-71-7

5-methyl-2-thiazol-2-amine

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

1,2-dichloro-benzene
95-50-1

1,2-dichloro-benzene

meloxicam
71125-38-7

meloxicam

Conditions
ConditionsYield
With 1,2-dichloro-ethane76%
ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carbohydrazide 1,1-dioxide
105743-62-2

4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carbohydrazide 1,1-dioxide

Conditions
ConditionsYield
With hydrazine hydrate In ethanol for 2h; Reflux;68%
4-chloro-aniline
106-47-8

4-chloro-aniline

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

N-(4'-chlorophenyl)-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide
35511-63-8

N-(4'-chlorophenyl)-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 140 - 150℃; for 12h;64%
3-trifluoromethylaniline
98-16-8

3-trifluoromethylaniline

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

4-hydroxy-2-methyl-N-[3-(trifluoromethyl)phenyl]-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide
35511-66-1

4-hydroxy-2-methyl-N-[3-(trifluoromethyl)phenyl]-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 140 - 150℃; for 12h;60%
ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-amino-6-chloropyrazine
33332-28-4

2-amino-6-chloropyrazine

N-(6-chloro-pyrazin-2-yl)-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide

N-(6-chloro-pyrazin-2-yl)-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide

Conditions
ConditionsYield
60%
ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

aniline
62-53-3

aniline

4-hydroxy-2-methyl-N-phenyl-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide
34258-79-2

4-hydroxy-2-methyl-N-phenyl-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 140 - 150℃; for 12h;57%
4-trifluoromethylphenylamine
455-14-1

4-trifluoromethylphenylamine

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

4-hydroxy-2-methyl-N-[4-(trifluoromethyl)phenyl]-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide
35510-91-9

4-hydroxy-2-methyl-N-[4-(trifluoromethyl)phenyl]-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 140 - 150℃; for 12h;56%
5-amino-3,4-dimethylisoxazol
19947-75-2

5-amino-3,4-dimethylisoxazol

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

4-Hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (3,4-dimethyl-isoxazol-5-yl)-amide
55620-59-2

4-Hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (3,4-dimethyl-isoxazol-5-yl)-amide

Conditions
ConditionsYield
In xylene for 24h; Heating;55%
5-methylisoxazol-3-ylamine
1072-67-9

5-methylisoxazol-3-ylamine

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

isoxicam
34552-84-6

isoxicam

Conditions
ConditionsYield
In xylene for 24h; Heating;49%
5-amino-3-methylisoxazole
14678-02-5

5-amino-3-methylisoxazole

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

4-Hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (3-methyl-isoxazol-5-yl)-amide
55620-58-1

4-Hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid (3-methyl-isoxazol-5-yl)-amide

Conditions
ConditionsYield
In xylene for 24h; Heating;43%
ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

5-aminoisoxazole
14678-05-8

5-aminoisoxazole

4-Hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid isoxazol-5-ylamide
79672-22-3

4-Hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid isoxazol-5-ylamide

Conditions
ConditionsYield
In xylene for 24h; Heating;35%
3-aminoisoxazole
1750-42-1

3-aminoisoxazole

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

4-Hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid isoxazol-3-ylamide
38938-72-6

4-Hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid isoxazol-3-ylamide

Conditions
ConditionsYield
In xylene for 24h; Heating;32%
2-amino-4,5-dimethyloxazole
45529-92-8

2-amino-4,5-dimethyloxazole

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 4,5-dimethyl-oxazol-2-ylamide
40713-57-3

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 4,5-dimethyl-oxazol-2-ylamide

Conditions
ConditionsYield
In xylene for 24h; Heating;
3-aminobenzisothiazole
23031-78-9

3-aminobenzisothiazole

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid benzo[d]isothiazol-3-ylamide
67345-05-5

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid benzo[d]isothiazol-3-ylamide

Conditions
ConditionsYield
With toluene-4-sulfonic acid In N,N-dimethyl acetamide at 120 - 140℃;
2-amino-4-methyl-thiazole-5-carbonitrile
67322-84-3

2-amino-4-methyl-thiazole-5-carbonitrile

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 5-cyano-4-methyl-thiazol-2-ylamide
67322-76-3

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 5-cyano-4-methyl-thiazol-2-ylamide

Conditions
ConditionsYield
In xylene Heating;
5-amino-2,3-dimethylindole
16712-58-6

5-amino-2,3-dimethylindole

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 2,3-dimethyl-indol-5-ylamide
40713-58-4

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 2,3-dimethyl-indol-5-ylamide

Conditions
ConditionsYield
In xylene for 24h; Heating;
4-phenyl-oxazol-2-ylamine
33119-65-2

4-phenyl-oxazol-2-ylamine

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 4-phenyl-oxazol-2-ylamide
40713-56-2

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 4-phenyl-oxazol-2-ylamide

Conditions
ConditionsYield
In xylene for 24h; Heating;
6-methoxybenzothiazol-2-ylamine
1747-60-0

6-methoxybenzothiazol-2-ylamine

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 6-methoxy-benzothiazol-2-ylamide
67322-75-2

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 6-methoxy-benzothiazol-2-ylamide

Conditions
ConditionsYield
With toluene-4-sulfonic acid In N,N-dimethyl acetamide at 120 - 140℃;
2-(4-aminophenyl)-6-methyl-1,3-benzothiazole
92-36-4

2-(4-aminophenyl)-6-methyl-1,3-benzothiazole

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 4-(6-methyl-benzothiazol-2-yl)-anilide
40713-51-7

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 4-(6-methyl-benzothiazol-2-yl)-anilide

Conditions
ConditionsYield
In xylene for 24h; Heating;
1H-indazol-5-ylamine
19335-11-6

1H-indazol-5-ylamine

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 1(2)H-indazol-5-ylamide
40713-55-1

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 1(2)H-indazol-5-ylamide

Conditions
ConditionsYield
In xylene for 24h; Heating;
1-amino-5,6,7,8-tetrahydronaphthalene
2217-41-6

1-amino-5,6,7,8-tetrahydronaphthalene

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 5,6,7,8-tetrahydro-naphthalen-4-ylamide
67322-72-9

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 5,6,7,8-tetrahydro-naphthalen-4-ylamide

Conditions
ConditionsYield
With toluene-4-sulfonic acid In N,N-dimethyl acetamide at 120 - 140℃;
chloridazon
1698-60-8

chloridazon

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 5-chloro-6-oxo-1-phenyl-1,6-dihydro-pyridazin-4-ylamide
67322-81-0

2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carboxylic acid 5-chloro-6-oxo-1-phenyl-1,6-dihydro-pyridazin-4-ylamide

Conditions
ConditionsYield
With toluene-4-sulfonic acid In N,N-dimethyl acetamide at 120 - 140℃;
meta-aminobenzoic acid
99-05-8

meta-aminobenzoic acid

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

3-(2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carbonylamino)-benzoic acid
67322-68-3

3-(2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carbonylamino)-benzoic acid

Conditions
ConditionsYield
With toluene-4-sulfonic acid In N,N-dimethyl acetamide at 120 - 140℃;
anthranilic acid
118-92-3

anthranilic acid

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

2-(2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carbonylamino)-benzoic acid
67322-67-2

2-(2-methyl-1,1,4-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-3-carbonylamino)-benzoic acid

Conditions
ConditionsYield
With toluene-4-sulfonic acid In N,N-dimethyl acetamide at 120 - 140℃;
ethanolamine
141-43-5

ethanolamine

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
24683-26-9

ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

6-methyl-7,7-dioxo-3,4,6,7-tetrahydro-2H-7λ6-benzo[5,6][1,2]thiazino[3,4-f][1,4]oxazepin-5-one
67343-28-6

6-methyl-7,7-dioxo-3,4,6,7-tetrahydro-2H-7λ6-benzo[5,6][1,2]thiazino[3,4-f][1,4]oxazepin-5-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In xylene Heating;

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