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
Cas:536-57-2
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inquiryp-Toluenesulfinic Acid CAS 536-57-2 4-Methylbenzenesulfinic acid CAS no 536-57-2 Benzenesulfinic acid,4-methyl- p-Toluenesulfinic Acid Manufacturer High quality Best price In stock factory CAS 536-57-2 p-Toluenesulfinic Acid COA TDS price MSDS
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inquiryStock products, own laboratory Storage:normal Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:shanghai
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inquiryWith 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
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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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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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inquiryOur 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 presen
Cas:536-57-2
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inquiryP-TOLUENESULFINIC ACID CAS:536-57-2 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 organic inte
Cas:536-57-2
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inquiryHello, 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
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inquiryHenan 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
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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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
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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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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
Cas:536-57-2
Min.Order:10 Gram
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inquiryProduct Name: P-TOLUENESULFINIC ACID Synonyms: 4-methyl-Benzenesulfinicacid;toluene-4-sulphinicacid;toluenesulfinicacid;P-TOLUENESULPHINIC ACID;P-TOLUENESULFINIC ACID;4-TOLUENESULFINIC ACID;Benzenesulfinic acid,4-methyl- CAS: 536-57-2 MF:
Cas:536-57-2
Min.Order:1 Gram
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Type:Lab/Research institutions
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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Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:536-57-2
Min.Order:100 Gram
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inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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Min.Order:1 bottle
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Type:Lab/Research institutions
inquiryhigh 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
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:536-57-2
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:536-57-2
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inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
Best quality with low priceAppearance:White crystal Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:1g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
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Conditions | Yield |
---|---|
With hydrogenchloride In tert-butyl methyl ether; water for 0.166667h; | 100% |
With hydrogenchloride In tert-butyl methyl ether; water for 0.166667h; | 100% |
With hydrogenchloride In tert-butyl methyl ether; water Inert atmosphere; Schlenk technique; | 97% |
2-p-Toluenesulfonamido-1,2,3,4-tetrahydroisoquinoline
A
p-toluene sulfinic acid
B
5,6,8,8a,13,14,16,16a-octahydro-s-tetrazine<6,1-a:3,4-a'>diisoquinoline
Conditions | Yield |
---|---|
With sodium hydroxide at 80 - 90℃; for 2h; | A 77% B 99% |
Conditions | Yield |
---|---|
With lithium amalgam In isopropyl alcohol; toluene at 23℃; for 2h; | 98% |
With tributylstibine for 0.5h; Ambient temperature; | 98% |
With sodium sulfite In water at 80℃; for 5h; | 97.79% |
pyridine
(3-Chloro-quinoxalin-2-yl)-(toluene-4-sulfonyl)-acetonitrile
A
p-toluene sulfinic acid
B
12-cyanoindolizino<2,3-b>quinoxaline
Conditions | Yield |
---|---|
for 2h; Mechanism; Heating; other α-substituted 2-(3-chloro)quinoxalylacetonitrile, var. azines; | A n/a B 98% |
4,8-Dimethyl-2-p-tolylsulfonyl-3(Z),7-nonadienoic acid
A
p-toluene sulfinic acid
B
(3Z)‐4,8‐dimethylnona‐3,7‐dienoic acid
Conditions | Yield |
---|---|
With sodium amalgam In methanol at 0℃; for 4.25h; | A n/a B 96% |
Conditions | Yield |
---|---|
With aluminium(III) triflate; trifluorormethanesulfonic acid; sulfur dioxide; aluminium trifluoroacetate; trifluoroacetic acid at 25℃; under 760.051 Torr; for 24h; Temperature; | 95% |
With aluminium trichloride; sulfur dioxide Zersetzen des Reaktionsproduktes mit Wasser und Salzsaeure; | |
With carbon disulfide; aluminium trichloride at -10℃; Man leitet einige Minuten Chlorwasserstoff und dann zwei Stunden Schwefeldioxyd ein, giesst nach 12 Stdn. auf Eis und macht mit Soda alkalisch; | |
With aluminium trichloride; sulfuryl dichloride |
4-methylbenzenesulfonic acid n-hexylester
A
p-toluene sulfinic acid
B
hexan-1-ol
Conditions | Yield |
---|---|
With lithium amalgam In 1,4-dioxane; isopropyl alcohol at 23℃; for 2h; | A 95% B 95% |
A
p-toluene sulfinic acid
B
3-methylene-9-oxo-1,2,3,9-tetrahydropyrrolo<2,1-b>quinazoline
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In chloroform Inert atmosphere; | A n/a B 95% |
C16H22N2O4S
A
p-toluene sulfinic acid
B
7,7-dimethoxybicyclo<2.2.1>heptane
Conditions | Yield |
---|---|
With diisobutylaluminium hydride In hexane at 0℃; for 0.25h; | A 90% B 66% |
N-methyl-N-(2-phenethyl)-4-methylbenzenesulfonamide
A
p-toluene sulfinic acid
B
Ethyl p-toluenesulfinate
C
methyl p-toluene sulfinate
D
N-Methyl-N-phenethylamine
Conditions | Yield |
---|---|
With sodium tetrahydroborate; 1,5-dimethoxynaphthalene In ethanol Irradiation; | A 71% B n/a C n/a D 89% |
Conditions | Yield |
---|---|
With N1,N1,N12,N12-tetramethyl-7,8-dihydro-6H-dipyrido[1,2-a:2,1'-c][1,4]diazepine-2,12-diamine In N,N-dimethyl-formamide for 72h; UV-irradiation; | A 78% B 85% |
Conditions | Yield |
---|---|
With hydrogenchloride; tert-butyl methyl ether In water for 0.333333h; Inert atmosphere; | 84% |
ethyl N-[(4-methylphenyl)sulfonyl]-N-phenylglycinate
A
N-phenylglycine ethyl ester
B
p-toluene sulfinic acid
Conditions | Yield |
---|---|
With N-Benzylaniline In N,N-dimethyl-formamide UV-irradiation; | A 83% B n/a |
Ethyl p-toluenesulfinate
A
p-toluene sulfinic acid
B
di(4-methyl)phenylthiosulfonate
Conditions | Yield |
---|---|
In ethanol at 90℃; | A 20% B 72% |
Conditions | Yield |
---|---|
With HOF* CH3CN In methanol at -40℃; | 70% |
With hydrogenchloride; sodium hydroxide; dihydrogen peroxide 1.)EtOH, water, rt., 10 min; 2.) water, 0 deg C; Yield given. Multistep reaction; | |
Multi-step reaction with 4 steps 1: 90 percent / benzene / 5 h / Heating 2: 70 percent / AcOH, 30percent H2O2 / 24 h / 25 °C 3: 85 percent / acetone / 24 h / 25 °C 4: K2CO3 / acetone; H2O / 24 h / 25 °C View Scheme |
S-(4-chlorophenyl) 4-methylbenzenesulfonothioate
sodium salt of triacetic acid lactone
A
p-toluene sulfinic acid
B
3-p-Chlorophenylthio-4-hydroxy-6-methyl-2-pyrone
Conditions | Yield |
---|---|
In ethanol | A 70% B n/a |
benzyl tosylate
sodium salt of triacetic acid lactone
A
p-toluene sulfinic acid
B
3-Benzylthio-4-hydroxy-6-methyl-2-pyrone
Conditions | Yield |
---|---|
In ethanol | A n/a B 66% |
methyl thiotosylate
sodium salt of triacetic acid lactone
A
p-toluene sulfinic acid
Conditions | Yield |
---|---|
In ethanol | A n/a B 64% |
N-phenyl N-(4-methylphenylsulfonyl) hydroxylamine
p-toluene sulfinic acid
Conditions | Yield |
---|---|
With sodium hydroxide In diethyl ether | 63% |
4-methyl-benzaldehyde
S-benzyl 4-methylbenzenethiosulfonate
p-toluene sulfinic acid
Conditions | Yield |
---|---|
With sodium carbonate; 9,10-phenanthrenequinone In acetonitrile at 20℃; for 14h; Schlenk technique; Sealed tube; Irradiation; | 61% |
A
p-toluene sulfinic acid
B
fluorenone imine
C
9-aminofluorene
D
N'-(9H-fluoren-9-ylidene)-4-methylbenzenesulfonohydrazide
E
toluene-4-sulfonamide
F
fluoren-9-ylidene-hydrazine
Conditions | Yield |
---|---|
With tetrabutylammonium perchlorate In N,N-dimethyl-formamide at 22℃; Product distribution; electrolytic reduction at a platinum gauze electrode; also addition of proton donors; | A 4% B 6% C 41% D 60% E 37% F 2.6% |
1,1’-[(Z)-ethene-1,2-diyldisulfonyl]bis(4-methylbenzene)
2-diazopropane
A
p-toluene sulfinic acid
B
1-methyl-4-(propane-2-sulfonyl)benzene
3,3a,6,6a-tetrahydro-3,3,6,6-tetramethyl-3a-(p-tolylsulfonyl)pyrazolo<4,3-c>pyrazole
Conditions | Yield |
---|---|
In methanol 1) -78 deg C, to RT, 12 h; | A n/a B 2.4 g C 50% |
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; caesium carbonate; Aminoiminomethanesulfinic acid; 18O-labeled water In dimethyl sulfoxide at 100℃; for 2h; Inert atmosphere; | A 19% B 30% C 40% |
2-bromo-6-(2,2,6,6-tetramethyltetrahydro-pyran-4-yl)pyridin-3-ylamine
N'-(4,4-dimethylcyclohexylidene)-4-methylbenzene-1-sulfonohydrazide
A
p-toluene sulfinic acid
B
6-(2,2,6,6-tetramethyl-tetrahydro-pyran-4-yl)-pyridin-3-ylamine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); lithium tert-butoxide; XPhos In 1,4-dioxane at 110℃; Inert atmosphere; | A n/a B 19% C 30% D n/a |
5-p-chlorophenyl-2-phenyl-4-tosyl-2-oxazoline
A
4-chlorophenylacetic Acid
B
5-(4-chlorophenyl)-2-phenyl-1,3-oxazole
C
p-toluene sulfinic acid
D
benzamide
Conditions | Yield |
---|---|
With potassium carbonate In methanol for 1.5h; Heating; Yields of byproduct given; | A n/a B 14% C n/a D n/a |
diethyl ether
p-toluenesulfonyl iodide
A
p-toluene sulfinic acid
B
iodobenzene
diethyl ether
toluene-p-sulfonyl bromide
A
p-toluene sulfinic acid
B
bromobenzene
ethanol
2-nitrothiophenol
S-(2-nitrophenyl) 4-toluenethiosulfonate
A
bis(2-nitrophenyl)disulfide
B
p-toluene sulfinic acid
ethanol
2,5-dichlorbenzenethiol
di(4-methyl)phenylthiosulfonate
A
p-toluene sulfinic acid
Conditions | Yield |
---|---|
reagiert analog mit p-Tolylmercaptan und mit Anthranylmercaptan; |
p-toluene sulfinic acid
4-methylbenzenesulfinyl chloride
Conditions | Yield |
---|---|
With thionyl chloride In diethyl ether at 0 - 40℃; for 4h; | 100% |
With thionyl chloride | |
With thionyl chloride |
Conditions | Yield |
---|---|
In acetonitrile at 0℃; for 1h; | 100% |
p-toluene sulfinic acid
trans-3,6-dimethyl-4-hydroxyhexahydropyrimidine-2-thione
(4R,6R)-1,4-Dimethyl-6-(toluene-4-sulfonyl)-tetrahydro-pyrimidine-2-thione
Conditions | Yield |
---|---|
In water at 20℃; | 100% |
p-toluene sulfinic acid
1-[(R)-1-(2,6-Dichloro-phenyl)-ethyl]-5-hydroxy-pyrrolidin-2-one
(5R)-(-)-<(1R)-1-(2,6-dichlorophenyl)ethyl>-5-(p-toluenesulfonyl)pyrrolidinone
Conditions | Yield |
---|---|
In dichloromethane for 2h; | 100% |
Conditions | Yield |
---|---|
In water for 0.75h; Heating; | 99.9% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 25℃; for 16h; Temperature; Reagent/catalyst; Inert atmosphere; | 99% |
With pyridine; chlorophosphoric acid diphenyl ester In dichloromethane for 15h; Product distribution; Ambient temperature; variation of reagents, temperature and reaction time; | 95% |
With pyridine; chlorophosphoric acid diphenyl ester In dichloromethane for 15h; Ambient temperature; | 95% |
p-toluene sulfinic acid
benzaldehyde
formamide
N-[(4-methylbenzene-1-sulfonyl)(phenyl)methyl]formamide
Conditions | Yield |
---|---|
Stage #1: benzaldehyde; formamide With chloro-trimethyl-silane In toluene; acetonitrile at 55℃; for 3h; Inert atmosphere; Schlenk technique; Stage #2: p-toluene sulfinic acid In toluene; acetonitrile Inert atmosphere; Schlenk technique; | 99% |
With chloro-trimethyl-silane In toluene; acetonitrile at 50℃; for 5h; | 94% |
With (R)-10-camphorsulfonic acid at 60℃; for 18h; | 82% |
p-toluene sulfinic acid
1-(2,4-dichlorophenyl)-4,4-dimethylpent-1-en-3-one
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In (2S)-N-methyl-1-phenylpropan-2-amine hydrate | 99% |
3-phenyl-propionaldehyde
p-toluene sulfinic acid
benzamide
N-(1-p-toluenesulphonyl-3-phenylpropyl)benzamide
Conditions | Yield |
---|---|
With magnesium sulfate In dichloromethane at 20℃; for 16h; | 99% |
p-toluene sulfinic acid
(Z)-4-heptenal
benzamide
(Z)-N-(1-tosylhept-4-enyl)benzamide
Conditions | Yield |
---|---|
With magnesium sulfate In dichloromethane at 20℃; | 99% |
p-toluene sulfinic acid
benzyloxyacetoaldehyde
benzamide
N-(2-(benzyloxy)-1-tosylethyl)benzamide
Conditions | Yield |
---|---|
With magnesium sulfate In dichloromethane at 20℃; | 99% |
p-toluene sulfinic acid
benzamide
cyclohexanecarbaldehyde
N-(cyclohexyl(tosyl)methyl)benzamide
Conditions | Yield |
---|---|
With magnesium sulfate In dichloromethane at 20℃; for 16h; | 99% |
Conditions | Yield |
---|---|
In methanol byproducts: CH3CO2H, H2; N2-atmosphere; | 99% |
In tetrahydrofuran byproducts: CH3CO2H, H2; N2-atmosphere; | 99% |
p-toluene sulfinic acid
(E)-2-(4-methoxybenzylidene)hydrazine carboxamide
4-methoxy-benzaldehyde
Conditions | Yield |
---|---|
In ethanol at 20℃; for 144h; | 99% |
Stage #1: p-toluene sulfinic acid; 4-methoxy-benzaldehyde In ethanol at 20℃; for 0.166667h; Stage #2: (E)-2-(4-methoxybenzylidene)hydrazine carboxamide In ethanol at 20℃; for 144h; Enzymatic reaction; | 99% |
p-toluene sulfinic acid
methyl ethynyl ketone
(Z)-4-(p-tolylsulfonyl)-3-buten-2-one
Conditions | Yield |
---|---|
In ethanol at 20℃; for 40h; pH=3.5; stereoselective reaction; | 99% |
With vanillin In ethanol at 20℃; UV-irradiation; | 99% |
Conditions | Yield |
---|---|
With pyridine In 1,2-dichloro-ethane at 20℃; for 8h; UV-irradiation; | 99% |
p-toluene sulfinic acid
Conditions | Yield |
---|---|
With pyridine In 1,2-dichloro-ethane at 20℃; for 8h; UV-irradiation; | 99% |
p-toluene sulfinic acid
Conditions | Yield |
---|---|
With pyridine In 1,2-dichloro-ethane at 20℃; for 8h; UV-irradiation; | 99% |
Conditions | Yield |
---|---|
Stage #1: p-toluene sulfinic acid; 3,4-dimethoxy-benzaldehyde In formic acid; water at 20℃; for 0.166667h; Stage #2: urea In formic acid; water at 20℃; for 24h; Solvent; | 99% |
p-toluene sulfinic acid
4-methoxybenzaldehyde semicarbazone
4-methoxy-benzaldehyde
Conditions | Yield |
---|---|
Stage #1: p-toluene sulfinic acid; 4-methoxy-benzaldehyde In ethanol at 20℃; Stage #2: 4-methoxybenzaldehyde semicarbazone In ethanol at 20℃; for 144h; | 99% |
Conditions | Yield |
---|---|
With photoredox catalyst Ni/TiO2 In acetonitrile at 20℃; for 3.5h; Molecular sieve; Irradiation; | 99% |
Conditions | Yield |
---|---|
With piperidinium thiotungstate In N,N-dimethyl-formamide for 0.5h; Ambient temperature; | 98% |
With phosphorus; iodine; acetic acid | |
Electrolysis; |
p-toluene sulfinic acid
3-methylcyclohexen-2-one
3-methyl-3-((4-methylphenyl)sulfonyl)cyclohexanone
Conditions | Yield |
---|---|
In acetonitrile for 48h; | 98% |
With hydrogenchloride In diethyl ether |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide at 20℃; for 0.0666667h; | 98% |
With pyridine; O-phenyl phosphorodichloridate In dichloromethane for 7h; Ambient temperature; | 84% |
With thionyl chloride; silica gel at 20℃; for 0.666667h; | 68% |
With dicyclohexyl-carbodiimide | |
With 2-chloro-1-methyl-pyridinium iodide; triethylamine In dichloromethane Heating; |
p-toluene sulfinic acid
cyclohexanol
cyclohexyl 4-methylbenzenesulfinate
Conditions | Yield |
---|---|
With pyridine; chlorophosphoric acid diphenyl ester In dichloromethane for 15h; Product distribution; Ambient temperature; variation of reagents, temperature and reaction time; | 98% |
With pyridine; chlorophosphoric acid diphenyl ester In dichloromethane for 15h; Ambient temperature; | 98% |
With dicyclohexyl-carbodiimide at 20℃; for 0.166667h; | 90% |
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