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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

Tenoxicam Manufacturer/High quality/Best price/In stock

Cas:59804-37-4

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

High quality Tenoxicam supplier in China

Cas:59804-37-4

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Jinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pu

High Quality Best Tenoxicam Price 59804-37-4

Cas:59804-37-4

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Tenoxicam

Cas:59804-37-4

Min.Order:1 Pound

Negotiable

Type:Manufacturers

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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

Factory Supply Tenoxicam

Cas:59804-37-4

Min.Order:1

Negotiable

Type:Other

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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 API 99% Tenoxicam 59804-37-4 GMP Manufacturer

Cas:59804-37-4

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Tenoxicam

Cas:59804-37-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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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

Tenoxicam

Cas:59804-37-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name:tenoxicam CAS:59804-37-4 Grade:For chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability Pro

Tenoxicam Manufacturer/High quality/Best price/In stock

Cas:59804-37-4

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

Tenoxicam

Cas:59804-37-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Tenoxicam

Cas:59804-37-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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

Pharmaceutical Grade CAS 59804-37-4 with competitive price

Cas:59804-37-4

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

Tenoxicam/ LIDE PHARMA- Factory supply / Best price

Cas:59804-37-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Product name tenoxicam Synonyms 4-hydroxy-2-methyl-n-2-pyridinyl-2h-thieno(2,3-e)-1,2-thiazine-3-carboxamide 1,1-dioxide; CAS No. 59804-37-4 Molecular weight

Tenoxicam

Cas:59804-37-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Other

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HANWAYS CHEMPHARM CO.,LIMITED

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr

Factory Supply High Quality Tenoxicam Raw Powder CAS. 59804-37-4 99% Purity

Cas:59804-37-4

Min.Order:1 Kilogram

FOB Price: $200.0 / 400.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

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

Tenoxicam 59804-37-4

Cas:59804-37-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Anti-inflammatory, Tenoxicam CAS:59804-37-4

Cas:59804-37-4

Min.Order:1 Kilogram

FOB Price: $50.0 / 54.0

Type:Trading Company

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

Tenoxicam

Cas:59804-37-4

Min.Order:1 Kilogram

FOB Price: $20.0 / 50.0

Type:Lab/Research institutions

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Guangdong Juda Chemical Industrial Co.,Limited

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

High Quality Tenoxicam Raw Powder CAS 59804-37-4

Cas:59804-37-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Tenoxicam

Cas:59804-37-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Triumph International Development Limilted

Appearance:Yellow Crystalline Powder Storage:Store in a cool,dry place and keep away from direct strong light -20°C Freezer Package:As customer request Application:Used for research and industrial manufacture. Transportation:Co

tenoxicam

Cas:59804-37-4

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Tenoxicam

Cas:59804-37-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Taizhou Crene Biotechnology co.ltd

Our company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-

tenoxicam 59804-37-4

Cas:59804-37-4

Min.Order:5 Gram

Negotiable

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

Tenoxicam

Cas:59804-37-4

Min.Order:0 Metric Ton

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

Tenoxicam

Cas:59804-37-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:yellow crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:No

Tenoxicam

Cas:59804-37-4

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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TaiChem Taizhou Limited

Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site

Tenoxicam

Cas:59804-37-4

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: Tenoxicam CAS No.: 59804-37-4 Molecule Formula:C13H11N3O4S2 Molecule Weight:337.37 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING ITEMS

Lower Price Tenoxicam in stock

Cas:59804-37-4

Min.Order:1 Kilogram

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,

Tenoxicam

Cas:59804-37-4

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Name :Tenoxicam CAS:59804-37-4 Molecular formula: C13H11N3O4S2 Molecular weight:337.4 Package:25kg/drum Port:ShangHai

Tenoxicam 59804-37-4

Cas:59804-37-4

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Synthetic route

4-hydroxy-N-2-pyridyl-2H-thieno<2,3-e>-1,2-thiazine-3-carboxamide 1,1-dioxide
106820-67-1

4-hydroxy-N-2-pyridyl-2H-thieno<2,3-e>-1,2-thiazine-3-carboxamide 1,1-dioxide

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide for 7h; Large scale;89%
2-aminopyridine
504-29-0

2-aminopyridine

methyl 4-hydroxy-2H-thieno<2,3-e>-1,2-thiazine-3-carboxylate 1,1-dioxide
98827-44-2

methyl 4-hydroxy-2H-thieno<2,3-e>-1,2-thiazine-3-carboxylate 1,1-dioxide

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
Stage #1: methyl 4-hydroxy-2H-thieno<2,3-e>-1,2-thiazine-3-carboxylate 1,1-dioxide; carbonic acid dimethyl ester With potassium carbonate In N,N-dimethyl-formamide at 140℃; for 5h; Large scale;
Stage #2: 2-aminopyridine With potassium carbonate In N,N-dimethyl-formamide for 7h; Large scale;
83%
2-aminopyridine
504-29-0

2-aminopyridine

4-hydroxy-3-methoxycarbonyl-2-methyl-2H-thieno[2,3-e]-1,2-thiazine,1,1-dioxide
59804-25-0

4-hydroxy-3-methoxycarbonyl-2-methyl-2H-thieno[2,3-e]-1,2-thiazine,1,1-dioxide

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
In 5,5-dimethyl-1,3-cyclohexadiene for 6h; Concentration; Reflux;76.9%
In xylene for 7h; Heating;75%
3-chlorothiophene-2-carboxylic acid
59337-89-2

3-chlorothiophene-2-carboxylic acid

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 210 g / 1.) sodium bisulfite, NaOH, CuCl, 2.) KCl / H2O / 16 h / 143 °C
2: POCl3, PCl5 / 1.5 h / Heating
3: 95 percent / CHCl3 / 3 h / Heating
4: 71 percent / pyridine / 4 h / Ambient temperature
5: 58 percent / CH3ONa / methanol; hexane / 6 h / Heating
6: 1.) NaH / 1.) DMF, RT, 1 h, 2.) DMF, RT, 16 h
7: 75 percent / xylene / 7 h / Heating
View Scheme
Multi-step reaction with 6 steps
1: 210 g / 1.) sodium bisulfite, NaOH, CuCl, 2.) KCl / H2O / 16 h / 143 °C
2: POCl3, PCl5 / 1.5 h / Heating
3: 95 percent / CHCl3 / 3 h / Heating
4: 84 percent / pyridine / 2 h / Ambient temperature
5: 11 g / CH3ONa / methanol / a) RT, 15 min, b) reflux, 25 min
6: 75 percent / xylene / 7 h / Heating
View Scheme
2-(carbomethoxy)thiophene-3-sulfonyl chloride
59337-92-7

2-(carbomethoxy)thiophene-3-sulfonyl chloride

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 71 percent / pyridine / 4 h / Ambient temperature
2: 58 percent / CH3ONa / methanol; hexane / 6 h / Heating
3: 1.) NaH / 1.) DMF, RT, 1 h, 2.) DMF, RT, 16 h
4: 75 percent / xylene / 7 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: 84 percent / pyridine / 2 h / Ambient temperature
2: 11 g / CH3ONa / methanol / a) RT, 15 min, b) reflux, 25 min
3: 75 percent / xylene / 7 h / Heating
View Scheme
Multi-step reaction with 4 steps
1: water / 6 h / 20 °C / pH 7 - 8
2: sodium methylate / methanol / 2 h / Reflux
3: sodium hydroxide / methanol / 3 h / 20 °C
4: 5,5-dimethyl-1,3-cyclohexadiene / 6 h / Reflux
View Scheme
3-chlorosulfonyl-thiophene-2-carboxylic acid chloride
59337-91-6

3-chlorosulfonyl-thiophene-2-carboxylic acid chloride

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 95 percent / CHCl3 / 3 h / Heating
2: 71 percent / pyridine / 4 h / Ambient temperature
3: 58 percent / CH3ONa / methanol; hexane / 6 h / Heating
4: 1.) NaH / 1.) DMF, RT, 1 h, 2.) DMF, RT, 16 h
5: 75 percent / xylene / 7 h / Heating
View Scheme
Multi-step reaction with 4 steps
1: 95 percent / CHCl3 / 3 h / Heating
2: 84 percent / pyridine / 2 h / Ambient temperature
3: 11 g / CH3ONa / methanol / a) RT, 15 min, b) reflux, 25 min
4: 75 percent / xylene / 7 h / Heating
View Scheme
methyl 4-hydroxy-2H-thieno<2,3-e>-1,2-thiazine-3-carboxylate 1,1-dioxide
98827-44-2

methyl 4-hydroxy-2H-thieno<2,3-e>-1,2-thiazine-3-carboxylate 1,1-dioxide

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) NaH / 1.) DMF, RT, 1 h, 2.) DMF, RT, 16 h
2: 75 percent / xylene / 7 h / Heating
View Scheme
methyl 3-<<<(methoxcarbonyl)methyl>amino>sulfonyl>-2-thiophenecarboxylate
106820-63-7

methyl 3-<<<(methoxcarbonyl)methyl>amino>sulfonyl>-2-thiophenecarboxylate

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 58 percent / CH3ONa / methanol; hexane / 6 h / Heating
2: 1.) NaH / 1.) DMF, RT, 1 h, 2.) DMF, RT, 16 h
3: 75 percent / xylene / 7 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: sodium methylate / methanol / 2 h / Reflux
2: sodium hydroxide / methanol / 3 h / 20 °C
3: 5,5-dimethyl-1,3-cyclohexadiene / 6 h / Reflux
View Scheme
methyl 3-<-N-methylamino>sulfonyl>-2-thiophenecarboxylate
59804-24-9

methyl 3-<-N-methylamino>sulfonyl>-2-thiophenecarboxylate

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 11 g / CH3ONa / methanol / a) RT, 15 min, b) reflux, 25 min
2: 75 percent / xylene / 7 h / Heating
View Scheme
dibutylbis[4-(hydroxy-κO)-2-methyl-N-(pyridin-2-yl-κN)-2H-thieno[2,3-e]-1,2-thiazine-3-carboxamide 1,1-dioxidato]tin

dibutylbis[4-(hydroxy-κO)-2-methyl-N-(pyridin-2-yl-κN)-2H-thieno[2,3-e]-1,2-thiazine-3-carboxamide 1,1-dioxidato]tin

[Sn(C4H9)2(C6H2S2NCH3O3C(O)NC5H4N)]*0.5CH3OH

[Sn(C4H9)2(C6H2S2NCH3O3C(O)NC5H4N)]*0.5CH3OH

B

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
In methanol; acetonitrile slow crystn. of soln.;
In chloroform-d1
2-aminopyridine
504-29-0

2-aminopyridine

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: benzotriazol-1-ol; triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / tetrahydrofuran-d8 / 2 h / 20 °C / Large scale
1.2: 20 °C / Large scale
2.1: triethylamine / ethyl acetate / 0 - 20 °C / Large scale
3.1: sodium methylate / methanol / 2 h / Reflux; Large scale
4.1: potassium carbonate / N,N-dimethyl-formamide / 7 h / Large scale
View Scheme
2-amino-N-(pyridin-2-yl)acetamide

2-amino-N-(pyridin-2-yl)acetamide

tenoxicam
59804-37-4

tenoxicam

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: triethylamine / ethyl acetate / 0 - 20 °C / Large scale
2: sodium methylate / methanol / 2 h / Reflux; Large scale
3: potassium carbonate / N,N-dimethyl-formamide / 7 h / Large scale
View Scheme
tenoxicam
59804-37-4

tenoxicam

4-(N,N-dimethylaminobutyryloxy)-2-methyl-N-2-pyridyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide-1,1-dioxide hydrochloride

4-(N,N-dimethylaminobutyryloxy)-2-methyl-N-2-pyridyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide-1,1-dioxide hydrochloride

Conditions
ConditionsYield
Stage #1: tenoxicam With dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3h;
Stage #2: With hydrogenchloride In dichloromethane
80.1%
tenoxicam
59804-37-4

tenoxicam

4-dimethylamino-butyric acid
693-11-8

4-dimethylamino-butyric acid

4-(N,N-dimethylaminobutyryloxy)-2-methyl-N-2-pyridyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide-1,1-dioxide hydrochloride

4-(N,N-dimethylaminobutyryloxy)-2-methyl-N-2-pyridyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide-1,1-dioxide hydrochloride

Conditions
ConditionsYield
Stage #1: tenoxicam; 4-dimethylamino-butyric acid With dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3h;
Stage #2: With hydrogenchloride
80.1%
tenoxicam
59804-37-4

tenoxicam

methyl iodide
74-88-4

methyl iodide

A

4-methoxy-2-methyl-N-(pyridin-2-yl)-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide

4-methoxy-2-methyl-N-(pyridin-2-yl)-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide

B

2-{[(4-hydroxy-2-methyl-1,1-dioxido-2H-thieno[2,3-e][1,2]thiazine-3-yl)carbonyl]amino}-1-methylpyridinium
868522-78-5

2-{[(4-hydroxy-2-methyl-1,1-dioxido-2H-thieno[2,3-e][1,2]thiazine-3-yl)carbonyl]amino}-1-methylpyridinium

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; for 120h;A 12%
B 72%
potassium trichloro(η2-ethene)platinate(II) hydrate

potassium trichloro(η2-ethene)platinate(II) hydrate

tenoxicam
59804-37-4

tenoxicam

trans-[dichloro(4-hydroxy-2-methyl-N-2-pyridyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxamide-1,1-dioxide)(η2-ethene)platinum(II)]
588699-00-7

trans-[dichloro(4-hydroxy-2-methyl-N-2-pyridyl-2H-thieno[2,3-e]-1,2-thiazine-3-carboxamide-1,1-dioxide)(η2-ethene)platinum(II)]

Conditions
ConditionsYield
In ethanol a warmed soln. of ligand mixed with a soln. of Pt compd., stirred at room temp. for 30 min; ppt. filtered, washed (ethanol, diethyl ether), recrystd. (benzene); elem. anal.;66%
tenoxicam
59804-37-4

tenoxicam

5-methyl-5H,6H-pyrido[2',1':2,3]pyrimido[5,4-c]thieno[2,3-e][1,2]thiazin-6-one 4,4-dioxide

5-methyl-5H,6H-pyrido[2',1':2,3]pyrimido[5,4-c]thieno[2,3-e][1,2]thiazin-6-one 4,4-dioxide

Conditions
ConditionsYield
With trichlorophosphate at 100℃; for 3h;56%
benzoyl chloride
98-88-4

benzoyl chloride

tenoxicam
59804-37-4

tenoxicam

2-methyl-1,1-dioxido-3-[(pyridin-2-ylamino)carbonyl]-2H-thieno[2,3-e][1,2]thiazin-4-yl benzoate hydrochloride

2-methyl-1,1-dioxido-3-[(pyridin-2-ylamino)carbonyl]-2H-thieno[2,3-e][1,2]thiazin-4-yl benzoate hydrochloride

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; for 3h;43%
cinnamoyl chloride
102-92-1

cinnamoyl chloride

tenoxicam
59804-37-4

tenoxicam

2-methyl-1,1-dioxido-3-[(pyridin-2-ylamino)carbonyl]-2H-thieno[2,3-e][1,2]thiazin-4-yl 3-phenylprop-2-enoate hydrochloride

2-methyl-1,1-dioxido-3-[(pyridin-2-ylamino)carbonyl]-2H-thieno[2,3-e][1,2]thiazin-4-yl 3-phenylprop-2-enoate hydrochloride

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; for 3h;39%
tenoxicam
59804-37-4

tenoxicam

acetyl chloride
75-36-5

acetyl chloride

2-methyl-1,1-dioxido-3-[(pyridin-2-ylamino)carbonyl]-2H-thieno[2,3-e][1,2]thiazin-4-yl acetate hydrochloride

2-methyl-1,1-dioxido-3-[(pyridin-2-ylamino)carbonyl]-2H-thieno[2,3-e][1,2]thiazin-4-yl acetate hydrochloride

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; for 3h;39%
2-furancarbonyl chloride
527-69-5

2-furancarbonyl chloride

tenoxicam
59804-37-4

tenoxicam

2-methyl-1,1-dioxido-3-[(pyridin-2-ylamino)carbonyl]-2H-thieno[2,3-e][1,2]thiazin-4-yl 2-furoate hydrochloride

2-methyl-1,1-dioxido-3-[(pyridin-2-ylamino)carbonyl]-2H-thieno[2,3-e][1,2]thiazin-4-yl 2-furoate hydrochloride

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; for 3h;24%
water
7732-18-5

water

copper(II) acetate monohydrate
6046-93-1

copper(II) acetate monohydrate

tenoxicam
59804-37-4

tenoxicam

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

C26H24CuN6O10S4*4H2O*2C3H7NO

C26H24CuN6O10S4*4H2O*2C3H7NO

Conditions
ConditionsYield
Stage #1: copper(II) acetate monohydrate; tenoxicam In methanol for 1h; Reflux;
Stage #2: water; N,N-dimethyl-formamide for 24h;
10%
tenoxicam
59804-37-4

tenoxicam

2-aminopyridine
504-29-0

2-aminopyridine

Conditions
ConditionsYield
With water In ethanol at 100℃; for 4h; pH 1;
tenoxicam
59804-37-4

tenoxicam

A

2-aminopyridine
504-29-0

2-aminopyridine

B

4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxylic acid 1,1-dioxide

4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxylic acid 1,1-dioxide

C

2-Methylamino-3-oxo-3-(3-sulfo-thiophen-2-yl)-propionic acid

2-Methylamino-3-oxo-3-(3-sulfo-thiophen-2-yl)-propionic acid

Conditions
ConditionsYield
With water In ethanol at 100℃; Rate constant; other pH;
tenoxicam
59804-37-4

tenoxicam

4-methyl-1-phenyl-1,4-dihydropyrazolo[4,3-c]thieno[2,3-e][1,2]thiazin-3(2H)-one 5,5-dioxide

4-methyl-1-phenyl-1,4-dihydropyrazolo[4,3-c]thieno[2,3-e][1,2]thiazin-3(2H)-one 5,5-dioxide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 57 percent / dimethylformamide / 8 h / 100 °C
3: 47 percent / N,N-dimethylaniline; POCl3 / toluene / 7 h / 100 °C
View Scheme
tenoxicam
59804-37-4

tenoxicam

N-(2-chlorophenyl)-4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide

N-(2-chlorophenyl)-4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 51 percent / dimethylformamide / 10 h / 140 °C
View Scheme
tenoxicam
59804-37-4

tenoxicam

4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxylic acid 2-phenylhydrazide 1,1-dioxide
868393-67-3

4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxylic acid 2-phenylhydrazide 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 57 percent / dimethylformamide / 8 h / 100 °C
View Scheme
tenoxicam
59804-37-4

tenoxicam

4-hydroxy-N-(4-methoxyphenyl)-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide

4-hydroxy-N-(4-methoxyphenyl)-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 82 percent / dimethylformamide / 3 h / 130 °C
View Scheme
tenoxicam
59804-37-4

tenoxicam

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

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

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 37 percent / dimethylformamide / 20 h / 150 °C
View Scheme
tenoxicam
59804-37-4

tenoxicam

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

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

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 44 percent / dimethylformamide / 18 h / 150 °C
View Scheme
tenoxicam
59804-37-4

tenoxicam

4-hydroxy-2-methyl-N-phenyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide
59804-36-3

4-hydroxy-2-methyl-N-phenyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 74 percent / dimethylformamide / 3 h / 130 °C
View Scheme
tenoxicam
59804-37-4

tenoxicam

4-hydroxy-N-(3-methylphenyl)-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide
59804-41-0

4-hydroxy-N-(3-methylphenyl)-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 65 percent / dimethylformamide / 6 h / 130 °C
View Scheme
tenoxicam
59804-37-4

tenoxicam

N-(3-chlorophenyl)-4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide
59804-42-1

N-(3-chlorophenyl)-4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 78 percent / dimethylformamide / 10 h / 140 °C
View Scheme
tenoxicam
59804-37-4

tenoxicam

ethyl 4-hydroxy-2-methyl-2H-thieno<2,3-e>-1,2-thiazine-3-carboxylate 1,1-dioxide
98827-42-0

ethyl 4-hydroxy-2-methyl-2H-thieno<2,3-e>-1,2-thiazine-3-carboxylate 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 58 percent / EtONa / 12 h / 80 °C
View Scheme
tenoxicam
59804-37-4

tenoxicam

4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxylic acid 1,1-dioxide

4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxylic acid 1,1-dioxide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 72 percent / K2CO3 / acetone / 120 h / 20 °C
2: 57 percent / aq. NaOH / ethanol / 3 h / 80 °C
View Scheme

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