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
Cas:1671-49-4
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inquiryWelcome 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
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inquiryThe 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
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
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inquiryWITH 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
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inquiryProduct name:O-nitro-p-methyl sulfonyl toluene CAS No.:1671-49-4 C8H9O4NS Formula: Technical Specifications: Item : Specification Appearance: white crystall
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inquiry1.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
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inquiryBest 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
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
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inquiryJ&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
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inquiryWe 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
Cas:1671-49-4
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inquiryZibo 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
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inquiryOur 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 o
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inquiryProduct name: O-Nitro-P-Methyl Sulfonyl Toluene CAS No.:1671-49-4 Molecule Formula:C8H9NO4S Molecule Weight:215.23 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TE
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inquiryProduct 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,
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inquiry1)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) rea
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inquiryfactory?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
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inquiryShandong 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
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inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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inquirySuperior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:stored in a cool, dry and ventilated place to provent sun and rain Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical
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inquiryWe 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
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inquiryLower 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
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
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
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inquiry1.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
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inquiryShanghai 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
Cas:1671-49-4
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inquiryName: 4-Methylsulfonyl-2-nitrotoluene CAS: 1671-49-4 Molecular Formula: C8H9NO4S Molecular Weight: 215.226 Application:Fine chemical
Cas:1671-49-4
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inquiryConditions | Yield |
---|---|
With sulfuric acid; nitric acid In water at 100℃; Flow reactor; chemoselective reaction; | 98% |
With sulfuric acid; nitric acid | |
In sulfuric acid |
Methyl p-tolyl sulfone
A
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
B
Methyl-<3,5-dinitro-4-methyl-phenyl>-sulfon
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid In water at 75℃; for 0.00416667h; Temperature; Time; Flow reactor; chemoselective reaction; | A 90% B 9% |
1-methyl-2-nitrobenzene
Methanesulfonic anhydride
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid; tris(trifluoromethanesulfonyloxy)boron at 50℃; for 3h; Substitution; | 47 % Chromat. |
1-methyl-2-nitrobenzene
methanesulfonyl chloride
A
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
B
2-nitro-6-methylsulphonyltoluene
Conditions | Yield |
---|---|
With aluminum (III) chloride; tetrabutyl-ammonium chloride at 160℃; for 16h; Temperature; Inert atmosphere; Large scale; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: chlorosulfonic acid / 3.5 h / 110 - 115 °C 1.2: 3 h / 60 - 65 °C 2.1: sodium sulfite; sodium carbonate / water / 3 h / 0 - 25 °C / pH 7.5 - 8 2.2: 14 h / 40 - 100 °C View Scheme |
4-methyl-3-nitrobenzenesulfonyl chloride
chloroacetic acid
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
Conditions | Yield |
---|---|
Stage #1: 4-methyl-3-nitrobenzenesulfonyl chloride With sodium carbonate; sodium sulfite In water at 0 - 25℃; for 3h; pH=7.5 - 8; Stage #2: chloroacetic acid With pyrographite In water at 40 - 100℃; for 14h; Temperature; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium hydrogencarbonate; sodium sulfite / water / 9 h / 75 °C 1.2: 4.5 h / 45 - 130 °C 2.1: sulfuric acid / 0.5 h / 20 °C 2.2: 10 h / 10 °C View Scheme |
Conditions | Yield |
---|---|
With hydrogen; platinum(IV) oxide In ethyl acetate under 3800.26 Torr; for 1.25h; | 99% |
With platinum(IV) oxide; hydrogen In ethyl acetate under 3800.26 Torr; for 1.25h; Autoclave; | 99% |
With hydrogenchloride; iron | |
With hydrogenchloride; tin |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
4-methanesulfonyl-2-nitro-benzoic acid
Conditions | Yield |
---|---|
With sulfuric acid; oxygen; nitric acid; vanadia at 140℃; for 11h; Temperature; | 98% |
With sulfuric acid; oxygen; nitric acid; vanadia at 138 - 140℃; under 37.5038 Torr; Catalytic behavior; Temperature; Autoclave; | 96.7% |
With oxygen; nitric acid; acetic acid; 2,6-dihydroxypyrrolo[3,4-f]isoindolo-1,3,5,7(2H,6H)tetrone at 150℃; under 37503.8 Torr; for 5h; Catalytic behavior; Reagent/catalyst; Temperature; Pressure; Autoclave; | 94.9% |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
Conditions | Yield |
---|---|
With chlorine; sodium carbonate at 20 - 80℃; under 1500.15 - 6000.6 Torr; for 12h; Temperature; Pressure; Autoclave; | 93.3% |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
acetic acid
4-methanesulfonyl-2-nitro-benzoic acid
Conditions | Yield |
---|---|
With 1,1,2,2-tetrabromoethane; cobalt(II) acetate; manganese(III) triacetate dihydrate In water at 210℃; under 22801.5 Torr; for 3h; Reagent/catalyst; Solvent; Temperature; Pressure; Reflux; | 92% |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
2-amino-4-(methylsulfonyl)benzoic acid
Conditions | Yield |
---|---|
With selenium; cobalt(II) chloride hexahydrate; nitrobenzene In methanol; water; dimethyl sulfoxide at 90℃; for 5h; Inert atmosphere; | 59% |
Multi-step reaction with 2 steps 1: KMnO4; aqueous pyridine 2: iron-powder; aqueous HCl View Scheme |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
2-iodo-1-methyl-4-(methylsulfonyl)benzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: iron; aqueous HCl View Scheme | |
Multi-step reaction with 2 steps 1.1: platinum(IV) oxide; hydrogen / ethyl acetate / 1.25 h / 3800.26 Torr / Autoclave 2.1: hydrogenchloride; sodium nitrite / water / 0.5 h / 0 °C 2.2: 1 h / 20 °C View Scheme |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: KMnO4; aqueous pyridine 2: iron-powder; aqueous HCl View Scheme |
vanadium(V) oxide
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
4-methanesulfonyl-2-nitro-benzoic acid
Conditions | Yield |
---|---|
With nitric acid In sulfuric acid |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
4-methylsulphonyl-2-nitrobenzoyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: vanadia; nitric acid / 135 - 160 °C 2: thionyl chloride; N,N-dimethyl-formamide / 1,2-dichloro-ethane / 6 h / 60 - 65 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: vanadia; sulfuric acid; nitric acid / 13 h / 145 - 165 °C 2.1: N,N-dimethyl-formamide / dichloromethane / 0.5 h 2.2: 5 h / 30 - 80 °C View Scheme | |
Multi-step reaction with 2 steps 1: oxygen; cobalt(II) chloride; iron(III) sulfate / acetic acid / 300 °C / 18751.9 Torr 2: bis(trichloromethyl) carbonate / N,N-dimethyl-formamide / 3 h / 70 °C View Scheme |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
3-(4'-methylsulfonyl-2'-nitro-benzoyloxy)-2-cyclohexene-1-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: vanadia; nitric acid / 135 - 160 °C 2: thionyl chloride; N,N-dimethyl-formamide / 1,2-dichloro-ethane / 6 h / 60 - 65 °C 3: triethylamine / 1,2-dichloro-ethane / 1 h / 5 - 35 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: vanadia; sulfuric acid; nitric acid / 13 h / 145 - 165 °C 2.1: N,N-dimethyl-formamide / dichloromethane / 0.5 h 2.2: 5 h / 30 - 80 °C 3.1: tetrabutylammomium bromide / water; dichloromethane / 6 h / 2 °C View Scheme |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
mesotrione
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: vanadia; nitric acid / 135 - 160 °C 2: thionyl chloride; N,N-dimethyl-formamide / 1,2-dichloro-ethane / 6 h / 60 - 65 °C 3: triethylamine / 1,2-dichloro-ethane / 1 h / 5 - 35 °C 4: triethylamine; 2-hydroxy-2-methylpropanenitrile / 5 h / 20 - 25 °C View Scheme | |
Multi-step reaction with 4 steps 1.1: vanadia; sulfuric acid; nitric acid / 13 h / 145 - 165 °C 2.1: N,N-dimethyl-formamide / dichloromethane / 0.5 h 2.2: 5 h / 30 - 80 °C 3.1: tetrabutylammomium bromide / water; dichloromethane / 6 h / 2 °C 4.1: triethylamine / dichloromethane / 0.25 h / 30 °C 4.2: 3 h / 30 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: oxygen; cobalt(II) chloride; iron(III) sulfate / acetic acid / 300 °C / 18751.9 Torr 2.1: bis(trichloromethyl) carbonate / N,N-dimethyl-formamide / 3 h / 70 °C 3.1: 15-crown-5; sodium hydroxide / chloroform / 1.5 h / 35 °C 3.2: 3.5 h / 350 °C View Scheme |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane / Inert atmosphere; Reflux 2: ammonia / methanol / 20 °C 3: sodium hydroxide / methanol / Reflux 4: dmap / diethyl ether / 20 °C / Inert atmosphere 5: copper diacetate; (+)-1,2-bis((2S,5S)-2,5-diphenylphospholanyl)ethane; (dimethoxy)methylsilane / tetrahydrofuran / 12 h / 60 °C / Inert atmosphere; Glovebox; Sealed tube View Scheme |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane / Inert atmosphere; Reflux 2: ammonia / methanol / 20 °C 3: sodium hydroxide / methanol / Reflux 4: dmap / diethyl ether / 20 °C / Inert atmosphere View Scheme |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane / Inert atmosphere; Reflux 2: ammonia / methanol / 20 °C 3: sodium hydroxide / methanol / Reflux View Scheme |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / tetrachloromethane / Inert atmosphere; Reflux 2: ammonia / methanol / 20 °C View Scheme |
1-methyl-4-(methylsulfonyl)-2-nitrobenzene
Conditions | Yield |
---|---|
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane Inert atmosphere; Reflux; |
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