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Triumph International Development Limilted

Appearance:detailed see specifications Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:mainly usded for Pharmaceutical, Petic... Transportation:Common products:Se

p-Toluenesulfonic Acid

Cas:104-15-4

Min.Order:100 Metric Ton

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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 P-Toluene Sulfonic Acid 95% supplier in China

Cas:104-15-4

Min.Order:1 Metric Ton

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Hangzhou Dingyan Chem Co., Ltd

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

High purity 104-15-4 p-Toluenesulphonic acid

Cas:104-15-4

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

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Jinan Finer Chemical Co., Ltd

Product description: Product name p-Toluenesulfonic acid (PTSA) CAS number 104-15-4 Assay ≥99% Appearance White crystal or powder Capacity 1000mt/year Application Pharmaceuti

p-Toluenesulfonic acid (PTSA)

Cas:104-15-4

Min.Order:100 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Hefei TNJ chemical industry co.,ltd

Superiority Service we can provide: 1. Mixed container: We can mix different items in one container. 2. Quality control: Before shipment, we can provide free sample for test. Inspection before shipping. 3. Packing: We can pack acco

Good quality p-Toluenesulfonic acid//cas104-15-4

Cas:104-15-4

Min.Order:1 Metric Ton

Negotiable

Type:Trading Company

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EAST CHEMSOURCES LIMITED

p-Toluenesulfonic Acid Product Name: p-Toluenesulfonic Acid Molecular Weight: 172.2 CAS NO: 104-15-4 EC NO: 203-180-0 Molecular Formula:

p-Toluenesulfonic Acid

Cas:104-15-4

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

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 Toluene-4-sulphonic acid

Cas:104-15-4

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 Cosmetic TOLUENE SULFONIC ACID 104-15-4 Manufacturer

Cas:104-15-4

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap

4-Methylbenzenesulphonic acid

Cas:104-15-4

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Manufacturers

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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

p-Toluenesulfonic acid

Cas:104-15-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei yanxi chemical co.,LTD.

CHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis

P-Toluenesulfonic Acid for Pharmaceutical Intermediates

Cas:104-15-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Product Name: p-Toluenesulfonic acid Synonyms: Tenofovirdisoproxil Impurity 41;P-TOLUENESULFONIC ACID;PTS ACID;P-TOLUENE SULPHONIC ACID;TSA-65IP;TSA-65M;TSA-65W;TSA-95 CAS: 104-15-4 MF: C7H8O3S MW: 172.2 EINECS: 203-180-0 Product Categories:

104-15-4 p-Toluenesulfonic acid

Cas:104-15-4

Min.Order:1 Kilogram

FOB Price: $300.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

p-Toluenesulfonic acid CAS NO.104-15-4

Cas:104-15-4

Min.Order:1 Gram

FOB Price: $1.0 / 99.0

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

Top Purity CAS 104-15-4 with fast shipping

Cas:104-15-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

p-Toluenesulfonic acid CAS104-15-4

Cas:104-15-4

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product name p-Toluenesulfonic acid Synonyms 4-Methylbenzenesulfonic acid; Tosic acid; PTSA CAS No. 104-15-4 EINECS 203-180-0 Molecular formula

P-Toluenesulfonic Acid CAS:104-15-4

Cas:104-15-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China and Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediat

p-Toluenesulfonic acid 104-15-4CAS NO.: 104-15-4

Cas:104-15-4

Min.Order:1 Kilogram

FOB Price: $4.0 / 5.0

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta

high quality 104-15-4 p-Toluenesulfonic acid with best price

Cas:104-15-4

Min.Order:10 Gram

Negotiable

Type:Other

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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

p-Toluenesulfonic acid 104-15-4

Cas:104-15-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Leader Biochemical Group

About Product Details Items Specifications Test Results Appearance White to white crystalline powde

China Biggest Factory Manufacturer Supply p-Toluenesulfonic acid CAS 104-15-4

Cas:104-15-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 2.0

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

p-Toluenesulfonic acid

Cas:104-15-4

Min.Order:1 Kilogram

FOB Price: $95.0 / 100.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

p-Toluenesulfonic acid CAS:104-15-4 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

p-Toluenesulfonic acid CAS:104-15-4

Cas:104-15-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

p-Toluenesulfonic acid

Cas:104-15-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

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

CAS 104-15-4 p-Toluenesulfonic acid

Cas:104-15-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

p-Toluenesulfonic acid CAS NO.104-15-4

Cas:104-15-4

Min.Order:10 Gram

Negotiable

Type:Trading Company

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Lonwin Chemical Group Limited

p-Toluenesulfonic acid CAS: 104-15-4 Specification Welcome to contact us to get complete COA. Shanghai Lonwin Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, interme

Factory supply p-Toluenesulfonic acid

Cas:104-15-4

Min.Order:1 Kilogram

Negotiable

Type:Other

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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

p-Toluenesulfonic acid

Cas:104-15-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

p-Toluenesulfonic acid

Cas:104-15-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Miheng Trading Co., Ltd.

p-Toluenesulfonic acid CAS 104-15-4 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assemb

p-Toluenesulfonic acid CAS 104-15-4

Cas:104-15-4

Min.Order:1 Kilogram

FOB Price: $50.0 / 100.0

Type:Trading Company

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Synthetic route

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With copper(l) iodide; N,N,N,N,-tetramethylethylenediamine; water; phenylzinc(II) bromide In tetrahydrofuran at 0 - 20℃; Inert atmosphere;100%
Stage #1: p-toluenesulfonyl chloride With dmap; N-ethyl-N,N-diisopropylamine In dichloromethane at 22℃;
Stage #2: With trifluoroacetic acid In dichloromethane Further stages.;
95%
With pyridine; dmap In dichloromethane82%
para-thiocresol
106-45-6

para-thiocresol

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With dinitrogen tetraoxide In tetrachloromethane; diethyl ether for 2.5h; Ambient temperature;100%
With dihydrogen peroxide; trichlorophosphate In water at 80℃; for 1.16667h; Micellar solution;95%
With HOF* CH3CN In dichloromethane at 0℃;90%
With dihydrogen peroxide; methyltrioxorhenium(VII) In acetonitrile at 20℃;87%
Multi-step reaction with 2 steps
1: pyridine / acetonitrile / Heating
2: hydrogenchloride; water / 40 °C
View Scheme
1-(p-methylbenzenesulfonoyloxy)-2(1H)-quinolone
26177-05-9

1-(p-methylbenzenesulfonoyloxy)-2(1H)-quinolone

A

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

B

1-hydroxycarbostyril
58-57-1

1-hydroxycarbostyril

Conditions
ConditionsYield
With sodium hydroxide In tetrahydrofuran for 2h; Product distribution; Ambient temperature;A n/a
B 98%
triethylammonium toluene-p-sulfonate
15404-00-9

triethylammonium toluene-p-sulfonate

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid In water pH=3;97.5%
(1,1-dioxido-4-oxo-3-phenyl-4H-thiochromen-2-yl)methyl 4-methylbenzenesulfonate

(1,1-dioxido-4-oxo-3-phenyl-4H-thiochromen-2-yl)methyl 4-methylbenzenesulfonate

A

C16H10O3S
1033736-87-6

C16H10O3S

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
In chloroform-d1 for 0.233333h; Photolysis; Inert atmosphere;A n/a
B 97%
di(p-tolyl) disulfide
103-19-5

di(p-tolyl) disulfide

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With dihydrogen peroxide; trichlorophosphate In water at 80℃; for 1h; Micellar solution;94%
toluene
108-88-3

toluene

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With sulfur trioxide at 35 - 65℃; Temperature; Inert atmosphere;93.3%
With sodium hydrogensulfite; pyridinium chlorochromate In neat (no solvent) at 100℃; under 1500.15 Torr; for 0.0666667h; Reagent/catalyst; Microwave irradiation;93%
With 1,3-disulfonic acid imidazolonium chloride In water at 50℃; for 0.05h; Green chemistry; regioselective reaction;72%
toluene-4-sulfonic acid 2,2,2-trifluoro-1-p-tolyl-ethyl ester
84877-44-1

toluene-4-sulfonic acid 2,2,2-trifluoro-1-p-tolyl-ethyl ester

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With trifluoroacetic acid In water at 20℃; for 2h;91%
phenethylamine
64-04-0

phenethylamine

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

A

4-methyl-N-(2-phenylethyl)benzenesulfonamide
5450-75-9

4-methyl-N-(2-phenylethyl)benzenesulfonamide

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane at -50℃; for 2h; Product distribution; Mechanism; further amines;A 90%
B 10%
With n-butyllithium 1) THF, hexane, -10 deg C, 15 min, 2) THF, hexane, -50 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given;
phenylmethyl 3,5,6,7,8,8a-hexahydro-5,5,8a-trimethyl-6-(trifluoroacetylamino)-(6β,8aβ)-2(1H)-isoquinolinecarboxylate
478363-68-7

phenylmethyl 3,5,6,7,8,8a-hexahydro-5,5,8a-trimethyl-6-(trifluoroacetylamino)-(6β,8aβ)-2(1H)-isoquinolinecarboxylate

A

N-Trifluoroacetyl-1,2,3,5,6,7,8,8a-octahydro-5,5,8a-trimethyl-(6β,8aβ)-6-isoquinolineamine 4-methylbenzenesulfonate

N-Trifluoroacetyl-1,2,3,5,6,7,8,8a-octahydro-5,5,8a-trimethyl-(6β,8aβ)-6-isoquinolineamine 4-methylbenzenesulfonate

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
In ethanol; di-isopropyl ether; palladiumA n/a
B 90%
1-(p-methylbenzenesulfonoyloxy)-2(1H)-quinolone
26177-05-9

1-(p-methylbenzenesulfonoyloxy)-2(1H)-quinolone

A

2-quinolone
59-31-4, 70254-42-1

2-quinolone

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
In methanol; water Quantum yield; UV-irradiation; Photolysis;A n/a
B 90%
Toluene-4-sulfonic acid 2-methyl-1,2-diphenyl-propyl ester
86108-37-4

Toluene-4-sulfonic acid 2-methyl-1,2-diphenyl-propyl ester

A

2-methyl-1,1-diphenylpropene
781-33-9

2-methyl-1,1-diphenylpropene

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
at 115℃; Product distribution; Rate constant; Thermodynamic data; Ea(excit.), ΔS(excit.);A 85%
B n/a
N'-2-butanylidene-4-methylbenzenesulfonohydrazine
4031-16-7

N'-2-butanylidene-4-methylbenzenesulfonohydrazine

A

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

B

butanone
78-93-3

butanone

Conditions
ConditionsYield
With molecular sieve; dihydrogen peroxide In methanol for 4h; Mechanism; Heating; other solvent; tosylhydrazones of other ketones;A n/a
B 84%
3,4-dichloro-5-[(4-me thylphenyl)sulfanyl]-2(5H)-furanone

3,4-dichloro-5-[(4-me thylphenyl)sulfanyl]-2(5H)-furanone

A

Mucochloric acid
766-40-5

Mucochloric acid

B

3,4-dichloro-5-[(4-methyl phenyl)sulfonyl]-2(5H)-furanone
1610693-10-1

3,4-dichloro-5-[(4-methyl phenyl)sulfonyl]-2(5H)-furanone

C

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With dihydrogen peroxide In water; acetic acid at 20℃; for 96h;A n/a
B 83%
C n/a
4-tolyl iodide
624-31-7

4-tolyl iodide

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; caesium carbonate; Aminoiminomethanesulfinic acid In dimethyl sulfoxide at 100℃; for 14h;80%
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; caesium carbonate; Aminoiminomethanesulfinic acid In dimethyl sulfoxide at 100℃; for 14h; Reagent/catalyst; Solvent; Green chemistry;78%
di(4-methyl)phenylthiosulfonate
2943-42-2

di(4-methyl)phenylthiosulfonate

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With bis-[(trifluoroacetoxy)iodo]benzene In acetonitrile for 2h; Heating;78%
sodium 4-methylbenzenesulfinate
824-79-3

sodium 4-methylbenzenesulfinate

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With 18O-labeled water In dimethyl sulfoxide at 100℃; for 14h; Reagent/catalyst;75%
With hydrogenchloride; oxygen In d(4)-methanol at 20℃; for 0.166667h;
1-tosyloxy-4-phenyl-2-butanone
73706-60-2

1-tosyloxy-4-phenyl-2-butanone

A

4-Methylbiphenyl
644-08-6

4-Methylbiphenyl

B

4-Phenyl-2-butanone
2550-26-7

4-Phenyl-2-butanone

C

1,4-diphenyl-2-butanone
37985-17-4

1,4-diphenyl-2-butanone

D

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
In benzene Irradiation;A 13%
B 7%
C 10%
D 74%
Toluene-4-sulfonic acid 2,2-dimethyl-3-oxo-1,3-diphenyl-propyl ester
86108-35-2

Toluene-4-sulfonic acid 2,2-dimethyl-3-oxo-1,3-diphenyl-propyl ester

A

3-methyl-1,2-diphenylbut-2-en-1-one
29689-80-3

3-methyl-1,2-diphenylbut-2-en-1-one

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
at 130℃; Product distribution; Rate constant; Thermodynamic data; Ea(excit.), ΔS(excit.);A 74%
B n/a
(E)-3-hexenoic acid
1577-18-0

(E)-3-hexenoic acid

A

5-ethyl-5H-furan-2-one
2407-43-4

5-ethyl-5H-furan-2-one

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With hydroxy(tosyloxy)iodobenzene; 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane for 5h; Ambient temperature;A 32%
B 71%
(cyclopent-2-eneyl)acetic acid
13668-61-6

(cyclopent-2-eneyl)acetic acid

A

3,3a,4,6a-tetrahydro-2H-cyclopenta[b]furan-2-one
5650-67-9

3,3a,4,6a-tetrahydro-2H-cyclopenta[b]furan-2-one

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With hydroxy(tosyloxy)iodobenzene; 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane for 4h; Ambient temperature;A 56%
B 70%
triphenylmethanethiol
3695-77-0

triphenylmethanethiol

toluene-p-sulfonyl bromide
1950-69-2

toluene-p-sulfonyl bromide

A

triphenylmethyl alcohol
76-84-6

triphenylmethyl alcohol

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

C

Toluene-4-thiosulfonic acid S-trityl ester
118511-93-6

Toluene-4-thiosulfonic acid S-trityl ester

Conditions
ConditionsYield
With triethylamine In tetrachloromethane at 0℃; for 0.5h; Yields of byproduct given;A n/a
B n/a
C 70%
N,N'-bis(p-toluenesulfonyl)hydroxylamine
56410-24-3

N,N'-bis(p-toluenesulfonyl)hydroxylamine

A

bis(4-methylphenylsulfonyl)amino 4-methylbenzenesulfonate
62419-04-9

bis(4-methylphenylsulfonyl)amino 4-methylbenzenesulfonate

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

C

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

Conditions
ConditionsYield
With air In chloroform for 12h; Product distribution; Mechanism; Ambient temperature; various reaction conditions;A 20%
B 70%
C 5%
sodium tosylate
657-84-1

sodium tosylate

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With hydrogenchloride In diethyl ether; water for 0.5h;69%
Stage #1: sodium tosylate In tert-butyl methyl ether; water for 0.166667h;
Stage #2: With hydrogenchloride In tert-butyl methyl ether; water for 0.333333h;
[hydroxy(tosyloxy)iodo]benzene
27126-76-7

[hydroxy(tosyloxy)iodo]benzene

Toluene-4-sulfonic acid (1S,3S,6S,7R)-4-oxo-5-oxa-tricyclo[4.3.0.03,7]non-9-yl ester
75759-33-0, 108033-20-1

Toluene-4-sulfonic acid (1S,3S,6S,7R)-4-oxo-5-oxa-tricyclo[4.3.0.03,7]non-9-yl ester

B

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
In dichloromethane at 0℃;A 28%
B 60%
2,2-Dimethyl-3-phenyl-3-(toluene-4-sulfonyloxy)-propionic acid ethyl ester
81699-64-1

2,2-Dimethyl-3-phenyl-3-(toluene-4-sulfonyloxy)-propionic acid ethyl ester

A

ethyl isopropylidenephenylacetic carboxylate
6335-78-0

ethyl isopropylidenephenylacetic carboxylate

B

ethyl 2-methylene-3-phenylbutanoate
81699-67-4

ethyl 2-methylene-3-phenylbutanoate

C

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

D

Ethyl 1-methyl-2-phenylcyclopropane-1-carboxylate
81699-66-3

Ethyl 1-methyl-2-phenylcyclopropane-1-carboxylate

Conditions
ConditionsYield
at 145 - 160℃; Product distribution; Kinetics; Thermodynamic data; Ea(excit.), ΔS(excit.);A 58%
B 6%
C n/a
D 5%
N,N'-ditosylhydrazine
14062-05-6

N,N'-ditosylhydrazine

A

bis(4-methylphenyl)disulfone
10409-07-1

bis(4-methylphenyl)disulfone

B

toluene-p-sulfonyl bromide
1950-69-2

toluene-p-sulfonyl bromide

C

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Conditions
ConditionsYield
With bromine In water; acetonitrile at 20℃;A 10%
B 57%
C 20%
3-methoxy-1-methyl-1,2,5,6-tetrahydropyridine
98435-42-8

3-methoxy-1-methyl-1,2,5,6-tetrahydropyridine

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

3-methoxy-1-methyl-1,2,5,6-tetrahydropyridinium toluene-p-sulphonate
135625-83-1

3-methoxy-1-methyl-1,2,5,6-tetrahydropyridinium toluene-p-sulphonate

Conditions
ConditionsYield
In acetone for 0.25h; educt toluene-p-sulphonic acid: anhydrous;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

methyl 2-hydroxy-3-(p-tolylsulfonyloxy)butanoate

methyl 2-hydroxy-3-(p-tolylsulfonyloxy)butanoate

Conditions
ConditionsYield
100%
Trimethyl orthoacetate
1445-45-0

Trimethyl orthoacetate

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

methyl p-toluene sulfonate
80-48-8

methyl p-toluene sulfonate

Conditions
ConditionsYield
at 20℃; for 0.5h;100%
In dichloromethane for 0.5h; Ambient temperature;96%
ethanol
64-17-5

ethanol

L-phenylalanine
63-91-2

L-phenylalanine

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Phe-OEt * TosOH
5002-64-2

Phe-OEt * TosOH

Conditions
ConditionsYield
for 24h; Heating;100%
L-valine
72-18-4

L-valine

2-methyl-propan-1-ol
78-83-1

2-methyl-propan-1-ol

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

(S)-1-isobutoxy-3-methyl-1-oxobutan-2-aminium 4-methylbenzenesulfonate
13018-45-6

(S)-1-isobutoxy-3-methyl-1-oxobutan-2-aminium 4-methylbenzenesulfonate

Conditions
ConditionsYield
In water; toluene for 24h; Reflux; Dean-Stark;100%
In benzene Heating;84%
In benzene Heating;
[bis(acetoxy)iodo]benzene
3240-34-4

[bis(acetoxy)iodo]benzene

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

[hydroxy(tosyloxy)iodo]benzene
27126-76-7

[hydroxy(tosyloxy)iodo]benzene

Conditions
ConditionsYield
In acetonitrile100%
for 0.166667h;97%
In acetonitrile at 20℃;94%
(S)-6-Benzyloxycarbonylamino-2-tert-butoxycarbonylamino-hexanoic acid 2-trimethylsilanyl-ethyl ester
89121-14-2

(S)-6-Benzyloxycarbonylamino-2-tert-butoxycarbonylamino-hexanoic acid 2-trimethylsilanyl-ethyl ester

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Nε-(Benzyloxycarbonyl)-L-lysine 2-(Trimethylsilyl)ethyl Ester p-Toluenesulfonate
89106-04-7

Nε-(Benzyloxycarbonyl)-L-lysine 2-(Trimethylsilyl)ethyl Ester p-Toluenesulfonate

Conditions
ConditionsYield
In benzene for 1h; Heating;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

(S)-2-tert-Butoxycarbonylamino-propionic acid 6-((S)-2-tert-butoxycarbonylamino-propionyloxy)-hexa-2,4-diynyl ester
125376-21-8

(S)-2-tert-Butoxycarbonylamino-propionic acid 6-((S)-2-tert-butoxycarbonylamino-propionyloxy)-hexa-2,4-diynyl ester

(S)-2-Amino-propionic acid 6-((S)-2-amino-propionyloxy)-hexa-2,4-diynyl ester; compound with toluene-4-sulfonic acid
125376-29-6

(S)-2-Amino-propionic acid 6-((S)-2-amino-propionyloxy)-hexa-2,4-diynyl ester; compound with toluene-4-sulfonic acid

Conditions
ConditionsYield
With acetic acid at 50℃;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Z-L-Leu-L-Lys(Boc)-L-Lys(Boc)-OPh
136185-16-5

Z-L-Leu-L-Lys(Boc)-L-Lys(Boc)-OPh

(S)-2-[(S)-2-((S)-2-Amino-4-methyl-pentanoylamino)-6-tert-butoxycarbonylamino-hexanoylamino]-6-tert-butoxycarbonylamino-hexanoic acid phenyl ester; compound with toluene-4-sulfonic acid

(S)-2-[(S)-2-((S)-2-Amino-4-methyl-pentanoylamino)-6-tert-butoxycarbonylamino-hexanoylamino]-6-tert-butoxycarbonylamino-hexanoic acid phenyl ester; compound with toluene-4-sulfonic acid

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal for 1.33333h;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Z-L-Ser(tBu)-L-Lys(Boc)-L-Leu-L-Lys(Boc)-L-Lys(Boc)-OPh
136185-19-8

Z-L-Ser(tBu)-L-Lys(Boc)-L-Leu-L-Lys(Boc)-L-Lys(Boc)-OPh

H-L-Ser(tBu)-L-Lys(Boc)-L-Leu-L-Lys(Boc)-L-Lys(Boc)-OPh*TosOH
136185-33-6

H-L-Ser(tBu)-L-Lys(Boc)-L-Leu-L-Lys(Boc)-L-Lys(Boc)-OPh*TosOH

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In N,N-dimethyl-formamide for 1h;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Z-L-Glu(OtBu)-L-Lys(Boc)-L-Asn-L-Pro-L-Leu-L-Pro-L-Ser(tBu)-OPh
138541-14-7

Z-L-Glu(OtBu)-L-Lys(Boc)-L-Asn-L-Pro-L-Leu-L-Pro-L-Ser(tBu)-OPh

H-L-Glu(OtBu)-L-Lys(Boc)-L-Asn-L-Pro-L-Leu-L-Pro-L-Ser(tBu)-OPh*TosOH
138541-36-3

H-L-Glu(OtBu)-L-Lys(Boc)-L-Asn-L-Pro-L-Leu-L-Pro-L-Ser(tBu)-OPh*TosOH

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In N,N-dimethyl-formamide for 4h;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Z-L-Leu-L-Pro-L-Ser(tBu)-OPh
138541-04-5

Z-L-Leu-L-Pro-L-Ser(tBu)-OPh

H-L-Leu-L-Pro-L-Ser(tBu)-OPh*TosOH
138541-24-9

H-L-Leu-L-Pro-L-Ser(tBu)-OPh*TosOH

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In N,N-dimethyl-formamide for 1.5h;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

Z-L-Thr(tBu)-L-Gln-L-Glu(OtBu)-L-Lys(Boc)-OPh
138541-08-9

Z-L-Thr(tBu)-L-Gln-L-Glu(OtBu)-L-Lys(Boc)-OPh

H-L-Thr(tBu)-L-Gln-L-Glu(OtBu)-L-Lys(Boc)-OPh*TosOH
138541-11-4

H-L-Thr(tBu)-L-Gln-L-Glu(OtBu)-L-Lys(Boc)-OPh*TosOH

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In N,N-dimethyl-formamide for 1h;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

α-<2-(trimethylsilyl)ethyl> γ-n-hexadecyl N-(tert-butyloxycarbonyl)-L-glutamate
88887-52-9

α-<2-(trimethylsilyl)ethyl> γ-n-hexadecyl N-(tert-butyloxycarbonyl)-L-glutamate

α-<2-(trimethylsilyl)ethyl> γ-n-hexadecyl L-glutamate tosylate
88887-54-1

α-<2-(trimethylsilyl)ethyl> γ-n-hexadecyl L-glutamate tosylate

Conditions
ConditionsYield
In benzene for 1h; Heating;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

2,4-Dioxabicyclo[3.3.1]nonane-1,5-diethanol

2,4-Dioxabicyclo[3.3.1]nonane-1,5-diethanol

C25H32O8S2

C25H32O8S2

Conditions
ConditionsYield
100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

nonafluorobutyliodine(III) bis(trifluoroacetate)
90934-12-6

nonafluorobutyliodine(III) bis(trifluoroacetate)

perfluorobutane
155819-09-3

perfluorobutane

Conditions
ConditionsYield
In acetonitrile at 0 - 20℃;100%
In acetonitrile Ambient temperature;91%
In acetonitrile at -20 - 20℃; for 1h;91%
L-leucine
61-90-5

L-leucine

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

benzyl alcohol
100-51-6

benzyl alcohol

L-leucine benzyl ester p-toluenesulfonate
1738-77-8

L-leucine benzyl ester p-toluenesulfonate

Conditions
ConditionsYield
In cyclohexane; water for 4h; Dean-Stark; Reflux;100%
In toluene for 20h; Reflux;85%
In toluene for 4h; Reflux; Inert atmosphere;82%
S-tert-Butyl-N-acetyl-L-cysteine hydrochloride
2481-09-6

S-tert-Butyl-N-acetyl-L-cysteine hydrochloride

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

benzyl alcohol
100-51-6

benzyl alcohol

p-Toluenesulfonate of S-tert-Butyl-L-cysteine Benzyl Ester
76499-06-4

p-Toluenesulfonate of S-tert-Butyl-L-cysteine Benzyl Ester

Conditions
ConditionsYield
In chloroform for 6h; Heating;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

(+/-)-(3R*,4R*,5S*)-5-((1'S*)-azidopropyl)-3-methyl-4-(phenyldimethylsilyl)-dihydrofuran-2-one

(+/-)-(3R*,4R*,5S*)-5-((1'S*)-azidopropyl)-3-methyl-4-(phenyldimethylsilyl)-dihydrofuran-2-one

(+/-)-(3R*,4R*,5S*)-5-((1'S*)-aminopropyl)-3-methyl-4-(phenyldimethylsilyl)-dihydrofuran-2-one, p-toluenesulphonic acid

(+/-)-(3R*,4R*,5S*)-5-((1'S*)-aminopropyl)-3-methyl-4-(phenyldimethylsilyl)-dihydrofuran-2-one, p-toluenesulphonic acid

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In tetrahydrofuran for 8h;100%
L-alanin
56-41-7

L-alanin

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

benzyl alcohol
100-51-6

benzyl alcohol

L-alanine benzyl ester p-toluenesulfonate
42854-62-6

L-alanine benzyl ester p-toluenesulfonate

Conditions
ConditionsYield
In benzene for 10h; Reflux; Inert atmosphere;100%
at 50 - 62℃; under 15.0015 Torr; for 5.5h;98.6%
In cyclohexane; water for 4h; Dean-Stark; Reflux;92%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

4-[3-oxo-3-thiazol-2-yl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propyl]-piperidine-1-carboxylic acid tert-butyl ester

4-[3-oxo-3-thiazol-2-yl-2-(2,2,2-trichloro-ethoxycarbonylamino)-propyl]-piperidine-1-carboxylic acid tert-butyl ester

(2-oxo-1-piperidin-4-ylmethyl-2-thiazol-2-yl-ethyl)-carbamic acid 2,2,2-trichloro-ethyl ester; compound with toluene-4-sulfonic acid

(2-oxo-1-piperidin-4-ylmethyl-2-thiazol-2-yl-ethyl)-carbamic acid 2,2,2-trichloro-ethyl ester; compound with toluene-4-sulfonic acid

Conditions
ConditionsYield
In diethyl ether at 35℃; for 2h;100%
L-cystine
56-89-3

L-cystine

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

allyl alcohol
107-18-6

allyl alcohol

L-cystine-bis-allyl ester bis-(toluene-4-sulfonate)

L-cystine-bis-allyl ester bis-(toluene-4-sulfonate)

Conditions
ConditionsYield
In benzene at 90℃; for 16h;100%
In benzene for 12h; Esterification; Heating;95%
11-aminoundecanoic acid
2432-99-7

11-aminoundecanoic acid

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

benzyl alcohol
100-51-6

benzyl alcohol

11-Aminoundecanoic acid benzyl ester p-toluenesulfonate

11-Aminoundecanoic acid benzyl ester p-toluenesulfonate

Conditions
ConditionsYield
In toluene for 5h; Inert atmosphere; Heating;100%
In benzene for 24h; Reflux;96%
In benzene Esterification;
D-Threonine
632-20-2

D-Threonine

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

allyl alcohol
107-18-6

allyl alcohol

H-D-Thr-Oallyl p-tolunenesulfonate

H-D-Thr-Oallyl p-tolunenesulfonate

Conditions
ConditionsYield
In toluene at 140℃; for 24h; Dean-Stark; Schlenk technique; Inert atmosphere;100%
In benzene for 42h; Heating;
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

2-(2,4,5,8-tetrahydroxy-7-oxa-2-azabicyclo[3.2.1]oct-3-yl)-2-[(O-t-butylcarbonyl)(N-benzyloxycarbonyl)tyrosylamino]acetic acid n-butyl ester
322407-87-4

2-(2,4,5,8-tetrahydroxy-7-oxa-2-azabicyclo[3.2.1]oct-3-yl)-2-[(O-t-butylcarbonyl)(N-benzyloxycarbonyl)tyrosylamino]acetic acid n-butyl ester

2-(4-hydroxymethyl-1,3,4,5-tetrahydroxy-2-piperidinyl)-2-[(O-t-butylcarbonyl)tyrosylamino]acetic acid n-butyl ester p-toluenesulfonate salt

2-(4-hydroxymethyl-1,3,4,5-tetrahydroxy-2-piperidinyl)-2-[(O-t-butylcarbonyl)tyrosylamino]acetic acid n-butyl ester p-toluenesulfonate salt

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In methanol for 2h;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

{tert-butoxycarbonylmethyl-[2-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-ethyl]-amino}-acetic acid tert-butyl ester
207612-91-7

{tert-butoxycarbonylmethyl-[2-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-ethyl]-amino}-acetic acid tert-butyl ester

{carboxymethyl-[2-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-ethyl]-amino}-acetic acid; compound with toluene-4-sulfonic acid

{carboxymethyl-[2-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-ethyl]-amino}-acetic acid; compound with toluene-4-sulfonic acid

Conditions
ConditionsYield
In dichloromethane for 24h;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

{tert-butoxycarbonylmethyl-[6-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-hexyl]-amino}-acetic acid tert-butyl ester
445390-52-3

{tert-butoxycarbonylmethyl-[6-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-hexyl]-amino}-acetic acid tert-butyl ester

{carboxymethyl-[6-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-hexyl]-amino}-acetic acid; compound with toluene-4-sulfonic acid

{carboxymethyl-[6-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-hexyl]-amino}-acetic acid; compound with toluene-4-sulfonic acid

Conditions
ConditionsYield
In dichloromethane for 24h;100%
toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

{tert-butoxycarbonylmethyl-[2-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-ethyl]-amino}-acetic acid tert-butyl ester
207612-91-7

{tert-butoxycarbonylmethyl-[2-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-ethyl]-amino}-acetic acid tert-butyl ester

{carboxymethyl-[2-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-ethyl]-amino}-acetic acid; compound with toluene-4-sulfonic acid

{carboxymethyl-[2-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-ethyl]-amino}-acetic acid; compound with toluene-4-sulfonic acid

Conditions
ConditionsYield
In dichloromethane100%
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