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Dayang Chem (Hangzhou) Co.,Ltd.

img src="fAppearance:Colorless or canary liquid Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, A

Sulfolane supplier in China

Cas:126-33-0

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

Sulfolane

Cas:126-33-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Shanxi Zorui Biotechnology Co.Ltd.

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

Ality Chemical Corporation

Items Standards Appearance colorless to light yellow tr

Factory Supply Sulfolane

Cas:126-33-0

Min.Order:1 Gram

Negotiable

Type:Other

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Shandong Promise New Material Co., ltd.

We have the best quality of China,our product exports to all over the world. It is widely used in many different kinds of chemical area. We our quality means the best in China,even all over the world. We can export according to customers’ re

Tetramethylene sulfone

Cas:126-33-0

Min.Order:1 Metric Ton

FOB Price: $36524.0

Type:Trading Company

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Shanghai Dynamic Industrial Co.,Ltd.

more information, please contact us

Sulfolane

Cas:126-33-0

Min.Order:0

Negotiable

Type:Trading Company

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Jinan Finer Chemical Co., Ltd

Product Description Product name Sulfolane CAS 126-33-0 Assay 99% Appearance Colorless transparent liquid Capacity 2000mt/year Min.package 100gram Standard ente

Sulfolane

Cas:126-33-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carb

Sulfolane CAS NO.126-33-0

Cas:126-33-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Manufacturers

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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

High Quality 99% Thiophene,tetrahydro-, 1,1-dioxide 126-33-0 ISO Producer

Cas:126-33-0

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Hefei TNJ chemical industry co.,ltd

Quick Details CAS No.: 126-33-0 Other Names: Tetramethylene Sulphone MF: C4H8O2S EINECS No.: 204-783-1 Place of Origin: Anhui, China (Mainland) Type: Syntheses Material Intermediates Purity: 99.9% Brand Name: TNJ

Sulfolane

Cas:126-33-0

Min.Order:1 Metric Ton

Negotiable

Type:Trading Company

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Chemwill Asia Co., Ltd.

Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA. Product quality, process, price and service Sulfolane 126-33-0 Factory PRICE IN STOCK COA CAS 126-33-0 126-33-0 CAS 126-33-0 highly quality and immedaite delivery Tetramethy

Sulfolane 126-33-0 Factory PRICE IN STOCK COA CAS 126-33-0

Cas:126-33-0

Min.Order:5 Kiloliter

FOB Price: $3.5 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Sulfolane Basic information Product Name: Sulfolane Synonyms: 2,3,4,5-TETRAHYDROTHIOPHENE-1,1-DIOXIDE;LABOTEST-BB LT00239038;1,1-Dioxide tetrahydrothiofuran;1,1-dio

Sulfolane cas:126-33-0

Cas:126-33-0

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

Sulfolane CAS 126-33-0

Cas:126-33-0

Min.Order:1 Kilogram

FOB Price: $3.0 / 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

Wholesale price CAS 126-33-0 with best price

Cas:126-33-0

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

Sulfolane

Cas:126-33-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Synonyms: Tetramethylene sulfone; Tetrahydrothiophene dioxide CAS No.: 126-33-0 Structural Formula: Molecular Formula: C4H8O2S Properties: Sulfolane is a colorless and tasteless soild at room temperature with M.P. 27.4-27.8°C. Sulfol

Sulfolane 99.5%, 3%water CAS126-33-0

Cas:126-33-0

Min.Order:2 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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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:colorless solid Storage:Store in sealed containers at

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

Thiophene,tetrahydro-, 1,1-dioxide 126-33-0

Cas:126-33-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: Sulfolane CAS: 126-33-0 MF: C4H8O2S MW: 120.17 EINECS: 204-783-1 Mol File: 126-33-0.mol Sulfolane Structure Sulfolane Chemical Properties Melting point 20-26 °C (lit.) Boiling point 104 °C/0.2 mmHg (l

Sulfolane

Cas:126-33-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

Sulfolane

Cas:126-33-0

Min.Order:1 Kilogram

FOB Price: $81.0 / 90.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Sulfolane CAS:126-33-0 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 intermediates, s

Sulfolane CAS:126-33-0

Cas:126-33-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

Thiophene,tetrahydro-, 1,1-dioxide

Cas:126-33-0

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,

Sulfolane CAS NO.126-33-0

Cas:126-33-0

Min.Order:10 Gram

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

Thiophene,tetrahydro-, 1,1-dioxide

Cas:126-33-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

Sulfolane

Cas:126-33-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Lonwin Chemical Group Limited

Why Choose Us 1. Quality Price We are the manufacturer, so we can provide the competitive price and high quality product. 2. Packing Products could be packaged according to customer's specializedrequirements. 3. Transport The products c

Low Price with Good Quality Sulfolane

Cas:126-33-0

Min.Order:1000 Kilogram

Negotiable

Type:Other

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

Sulfolane

Cas:126-33-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

TETRAMETHYLENE SULFONE

Cas:126-33-0

Min.Order:1 Gram

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

Sulfolane

Cas:126-33-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

Sulfolane

Cas:126-33-0

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

thiophene
110-01-0

thiophene

sulfolane
126-33-0

sulfolane

Conditions
ConditionsYield
With silica gel; magnesium monoperoxyphthalate hexahydrate In dichloromethane for 0.833333h; Heating;100%
With sodium tungstate (VI) dihydrate; dihydrogen peroxide In methanol; water at 40℃;100%
With selenium(IV) oxide; dihydrogen peroxide In water; ethyl acetate chemoselective reaction;99%
3-Sulfolene
77-79-2

3-Sulfolene

sulfolane
126-33-0

sulfolane

Conditions
ConditionsYield
With triethylsilane; 1% Pd on activated carbon In water at 45℃; for 20h; Green chemistry; chemoselective reaction;100%
With ethanol; platinum Hydrogenation;
With water; palladium Hydrogenation;
thiophene
110-01-0

thiophene

A

1-oxothiolane
1600-44-8

1-oxothiolane

B

sulfolane
126-33-0

sulfolane

Conditions
ConditionsYield
With urea-hydrogen peroxide at 85℃; for 0.116667h;A 87%
B 9%
With dihydrogen peroxide In water at 30 - 35℃; for 24h; Sealed tube; Green chemistry;A 66%
B 60%
With dihydrogen peroxide; titanium(IV) isopropylate; L-Tartaric acid; silica gel In methanol; water at 25℃; for 4h; Title compound not separated from byproducts;A 96 % Spectr.
B 2%
1-oxothiolane
1600-44-8

1-oxothiolane

sulfolane
126-33-0

sulfolane

Conditions
ConditionsYield
With nitronium tetrafluoborate In dichloromethane at 25℃; for 5h;68%
With peroxynitrous acid at 25℃; for 0.166667 - 4h; pH=7.4 - 12.7; Reactivity; phosphate buffer;3.14%
With bromine In water at 20℃; Equilibrium constant; Thermodynamic data; ΔH, ΔS, various temperature;
tetramethylenebis(dimethylglyoximato)(pyridine)cobalt(III) (45)

tetramethylenebis(dimethylglyoximato)(pyridine)cobalt(III) (45)

A

sulfolane
126-33-0

sulfolane

B

mono- and bis(sulfur dioxide) insertion products

mono- and bis(sulfur dioxide) insertion products

Conditions
ConditionsYield
With sulfur dioxide for 24h; Ambient temperature;A 20%
B n/a
3-Isopropoxythiolane 1,3-dioxide
17200-23-6

3-Isopropoxythiolane 1,3-dioxide

sulfolane
126-33-0

sulfolane

Conditions
ConditionsYield
With nickel; isopropyl alcohol at 175℃; under 51485.6 Torr; Hydrogenation;
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

A

sulfolane
126-33-0

sulfolane

B

1,2-oxathiane-2-oxide
24308-29-0

1,2-oxathiane-2-oxide

Conditions
ConditionsYield
With sulfur dioxide; tetraethylammonium bromide In acetonitrile at 60 - 80℃; electrolysis;A 45 % Turnov.
B 54 % Turnov.
2,3-dihydrothiophene-1,1-dioxide
1192-16-1

2,3-dihydrothiophene-1,1-dioxide

sulfolane
126-33-0

sulfolane

Conditions
ConditionsYield
With hydrogen; nickel at 20℃; Kinetics; rate of hydrogenation as a function of deformation of crystal structure of the catalyst; other catalysts : Rh, Pd and Pt;
1,4-ditosyloxybutane
4724-56-5

1,4-ditosyloxybutane

A

sulfolane
126-33-0

sulfolane

B

1,2-oxathiane-2-oxide
24308-29-0

1,2-oxathiane-2-oxide

Conditions
ConditionsYield
With sulfur dioxide; tetraethylammonium bromide In acetonitrile at 60 - 80℃; electrolysis;A 45 % Turnov.
B 45 % Turnov.
thiophene
110-01-0

thiophene

ozone containing oxygen

ozone containing oxygen

sulfolane
126-33-0

sulfolane

Conditions
ConditionsYield
With chloroform
thiophene
110-01-0

thiophene

A

1-oxothiolane
1600-44-8

1-oxothiolane

B

sulfolane
126-33-0

sulfolane

C

4-butanal disulfide
102244-56-4

4-butanal disulfide

Conditions
ConditionsYield
With oxygen; methylene blue In acetonitrile Pummerer rearrangement; Photolysis;
4-hydroxy-butane-1-sulfonic acid
26978-64-3

4-hydroxy-butane-1-sulfonic acid

sulfolane
126-33-0

sulfolane

Conditions
ConditionsYield
With acetic acid In water at 135 - 155℃; under 1 - 3 Torr; for 0.8h; Temperature;113.5 g
sulfolane
126-33-0

sulfolane

isoquinolin-7-ol
7651-83-4

isoquinolin-7-ol

8-nitroisoquinolin-7-ol
56623-93-9

8-nitroisoquinolin-7-ol

Conditions
ConditionsYield
With nitronium tetrafluoroborate In methanol100%
With nitronium tetrafluoroborate In methanol100%
2-thienyl chloride
96-43-5

2-thienyl chloride

sulfolane
126-33-0

sulfolane

oxalyl dichloride
79-37-8

oxalyl dichloride

5-chlorothiophene-2-carbonyl chloride
42518-98-9

5-chlorothiophene-2-carbonyl chloride

Conditions
ConditionsYield
at 165℃; for 17.5h; Temperature;100%
sulfolane
126-33-0

sulfolane

Sulfolane-2,2-5,5-d4
20627-71-8

Sulfolane-2,2-5,5-d4

Conditions
ConditionsYield
With potassium tert-butylate; water-d2 at 120℃; for 24h;98.5%
With water-d2; sodium at 40℃; for 48h;
sulfolane
126-33-0

sulfolane

1,2,3,5-tetrafluoro-4-nitrobenzene
314-41-0

1,2,3,5-tetrafluoro-4-nitrobenzene

nitric acid
7697-37-2

nitric acid

2,4,5,6-Tetrafluoro-1,3-dinitrobenzene
20002-14-6

2,4,5,6-Tetrafluoro-1,3-dinitrobenzene

Conditions
ConditionsYield
With boron trifluoride at 65-70°C 7 d;98%
With BF3 at 65-70°C 7 d;98%
sulfolane
126-33-0

sulfolane

methylamine hydroiodide
14965-49-2

methylamine hydroiodide

lead(II) iodide

lead(II) iodide

CH6N(1+)*Pb(2+)*3I(1-)*C4H8O2S

CH6N(1+)*Pb(2+)*3I(1-)*C4H8O2S

Conditions
ConditionsYield
at 80℃; for 0.5h;97%
(R)-4-methyl-benzenesulfinic acid (2,2-dimethyl-propylidene)-amide

(R)-4-methyl-benzenesulfinic acid (2,2-dimethyl-propylidene)-amide

sulfolane
126-33-0

sulfolane

(1R,2S,4R)-4-methyl-benzenesulfinic acid [1-(1,1-dioxo-tetrahydro-1λ6-thiophen-2-yl)-2,2-dimethyl-propyl]-amide

(1R,2S,4R)-4-methyl-benzenesulfinic acid [1-(1,1-dioxo-tetrahydro-1λ6-thiophen-2-yl)-2,2-dimethyl-propyl]-amide

Conditions
ConditionsYield
Stage #1: sulfolane With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.333333h;
Stage #2: (R)-4-methyl-benzenesulfinic acid (2,2-dimethyl-propylidene)-amide In tetrahydrofuran; hexane at -78℃; for 0.333333h;
92%
sulfolane
126-33-0

sulfolane

cis-2-pentenenitrile
25899-50-7

cis-2-pentenenitrile

2-pentenenitrile
26294-98-4

2-pentenenitrile

5-cyanopentanoic acid methyl ester
3009-88-9

5-cyanopentanoic acid methyl ester

Conditions
ConditionsYield
In methanol92%
sulfolane
126-33-0

sulfolane

methyl iodide
74-88-4

methyl iodide

1-methanesulfonyl-butane
7560-59-0

1-methanesulfonyl-butane

Conditions
ConditionsYield
With potassium In toluene at 0℃; for 4h; Irradiation; other cyclic sulfones;91%
With 1.)K 1.) toluene, 4h, 0 deg C, ultrasonic irradiation, 2.) 30 min, RT; Yield given. Multistep reaction;
With water; potassium 1) toluene, THF 2) heating; Yield given. Multistep reaction;
sulfolane
126-33-0

sulfolane

isophthalic acid
121-91-5

isophthalic acid

cyanogen chloride
506-77-4

cyanogen chloride

benzene-1,3-dicarbonitrile
626-17-5

benzene-1,3-dicarbonitrile

Conditions
ConditionsYield
91%
sulfolane
126-33-0

sulfolane

2,3,4-trifluoro-5-chloro-trifluoromethylbenzene
115812-33-4

2,3,4-trifluoro-5-chloro-trifluoromethylbenzene

2H-tetrachlorobenzotrifluoride

2H-tetrachlorobenzotrifluoride

tetraphenylphosphonium bromide
2751-90-8

tetraphenylphosphonium bromide

2H-tetrafluorobenzotrifluoride

2H-tetrafluorobenzotrifluoride

Conditions
ConditionsYield
With potassium fluoride90.5%
sulfolane
126-33-0

sulfolane

butan-1-ol
71-36-3

butan-1-ol

Dibutyl carbonate
542-52-9

Dibutyl carbonate

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 190℃; under 1125.11 Torr; for 70h; Temperature; Pressure; Solvent;89.4%
sulfolane
126-33-0

sulfolane

formamidinium iodide

formamidinium iodide

lead(II) iodide

lead(II) iodide

CH5N2(1+)*Pb(2+)*3I(1-)*C4H8O2S

CH5N2(1+)*Pb(2+)*3I(1-)*C4H8O2S

Conditions
ConditionsYield
at 90℃; for 0.5h;89%
sulfolane
126-33-0

sulfolane

3,4-dichloronitrobenzene
99-54-7

3,4-dichloronitrobenzene

Aliquat 336
5137-55-3

Aliquat 336

3-chloro-4-fluoronitrobenzene
350-30-1

3-chloro-4-fluoronitrobenzene

Conditions
ConditionsYield
With potassium fluoride; AlCl385%
sulfolane
126-33-0

sulfolane

Methyl fluoride
593-53-3

Methyl fluoride

tetrahydro-1-methoxythiophenium 1-oxide hexafluoroantimonate

tetrahydro-1-methoxythiophenium 1-oxide hexafluoroantimonate

Conditions
ConditionsYield
With sulfur dioxide; antimony pentafluoride for 0.25h; Ambient temperature; NMR study of products;82%
sulfolane
126-33-0

sulfolane

Pentafluorobenzene
363-72-4

Pentafluorobenzene

nitric acid
7697-37-2

nitric acid

pentafluoronitrobenzen
880-78-4

pentafluoronitrobenzen

Conditions
ConditionsYield
With boron trifluoride In not given with BF3 satd. mixture of tetramethylene sulfon and 95% HNO3 and C6F5H at 60-70°C 2 h;82%
With BF3 In not given with BF3 satd. mixture of tetramethylene sulfon and 95% HNO3 and C6F5H at 60-70°C 2 h;82%
sulfolane
126-33-0

sulfolane

1-benzoyl-1H-benzotriazole
4231-62-3

1-benzoyl-1H-benzotriazole

2-benzoyltetrahydrothiophene-1,1-dione
24463-84-1

2-benzoyltetrahydrothiophene-1,1-dione

Conditions
ConditionsYield
Stage #1: sulfolane With n-butyllithium In tetrahydrofuran; hexane at 0 - 20℃;
Stage #2: 1-benzoyl-1H-benzotriazole In tetrahydrofuran; hexane at -78 - 20℃; Further stages.;
81%
sulfolane
126-33-0

sulfolane

1-(4'-methylbenzenesulfonyl)-1H-benzo[d][1.2.3]triazole
1028-19-9

1-(4'-methylbenzenesulfonyl)-1H-benzo[d][1.2.3]triazole

2-(toluene-4-sulfonyl)tetrahydrothiophene-1,1-dione

2-(toluene-4-sulfonyl)tetrahydrothiophene-1,1-dione

Conditions
ConditionsYield
Stage #1: sulfolane With n-butyllithium In tetrahydrofuran; pentane at -78℃; for 1h;
Stage #2: 1-(4'-methylbenzenesulfonyl)-1H-benzo[d][1.2.3]triazole In tetrahydrofuran; pentane at -78 - 20℃; for 10h;
78%
sulfolane
126-33-0

sulfolane

2-pentenenitrile
26294-98-4

2-pentenenitrile

5-cyanopentanoic acid methyl ester
3009-88-9

5-cyanopentanoic acid methyl ester

Conditions
ConditionsYield
In methanol78%
sulfolane
126-33-0

sulfolane

chromium
7440-47-3

chromium

bis(tetramethylene sulfone)chromium(III)chloride trihydrate

bis(tetramethylene sulfone)chromium(III)chloride trihydrate

Conditions
ConditionsYield
With CCl4 In tetrachloromethane; ethanol added sulfolane, CCl4 and EtOH to Cr powder; heated to 120-140°C for several hours; filtered; evapd.; cooled; washed with acetone and ether; dried; elem.anal.;78%
sulfolane
126-33-0

sulfolane

p-toluoyl-1H-1,2,3-benzotriazole
59046-28-5

p-toluoyl-1H-1,2,3-benzotriazole

2-(4-methylbenzoyl)tetrahydrothiophene-1,1-dione

2-(4-methylbenzoyl)tetrahydrothiophene-1,1-dione

Conditions
ConditionsYield
Stage #1: sulfolane With n-butyllithium In tetrahydrofuran; hexane at 0 - 20℃;
Stage #2: p-toluoyl-1H-1,2,3-benzotriazole In tetrahydrofuran; hexane at -78 - 20℃; Further stages.;
77%
sulfolane
126-33-0

sulfolane

tetrachlorophthalonitrile
1953-99-7

tetrachlorophthalonitrile

Tetrafluorophthalonitrile
1835-65-0

Tetrafluorophthalonitrile

Conditions
ConditionsYield
With potassium fluoride In water74%
sulfolane
126-33-0

sulfolane

N-(2-chloro-ethyl)-acetamide
7355-58-0

N-(2-chloro-ethyl)-acetamide

2-methyl-4,5-dihydro-1,3-oxazole
1120-64-5

2-methyl-4,5-dihydro-1,3-oxazole

Conditions
ConditionsYield
73%
sulfolane
126-33-0

sulfolane

1-dodecylbromide
143-15-7

1-dodecylbromide

2-n-dodecyltetrahydrothiophene-1, 1-dioxide

2-n-dodecyltetrahydrothiophene-1, 1-dioxide

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane; water; ethyl acetate; toluene73%
sulfolane
126-33-0

sulfolane

(1H-benzo[d][1,2,3]triazol-1-yl)(thiophen-2-yl)methanone
301164-69-2

(1H-benzo[d][1,2,3]triazol-1-yl)(thiophen-2-yl)methanone

2-(2-thienylcarbonyl)tetrahydrothiophene-1,1-dione

2-(2-thienylcarbonyl)tetrahydrothiophene-1,1-dione

Conditions
ConditionsYield
Stage #1: sulfolane With n-butyllithium In tetrahydrofuran; hexane at 0 - 20℃;
Stage #2: (1H-benzo[d][1,2,3]triazol-1-yl)(thiophen-2-yl)methanone In tetrahydrofuran; hexane at -78 - 20℃; Further stages.;
72%
sulfolane
126-33-0

sulfolane

hexachloro-phthalide
34973-43-8

hexachloro-phthalide

3,4,5,6-tetrafluoro-1,2-benzenedicarboxylic acid,dimethyl ester
1024-59-5

3,4,5,6-tetrafluoro-1,2-benzenedicarboxylic acid,dimethyl ester

Conditions
ConditionsYield
With hydrogenchloride; potassium fluoride; triethylamine In methanol; n-heptane; water; toluene72%
With hydrogenchloride; potassium fluoride; triethylamine In methanol; water65%
sulfolane
126-33-0

sulfolane

hafnium tetrachloride
13499-05-3

hafnium tetrachloride

[HfCl4(tetrahydrothiophene-1,1-dioxide)2]
760976-01-0

[HfCl4(tetrahydrothiophene-1,1-dioxide)2]

Conditions
ConditionsYield
In dichloromethane (N2); dropwise addn. of a soln. of ligand in CH2Cl2 to a suspn. of HfCl4in CH2Cl2 at room temp.; filtration, concn., addn. of hexane, filtration, washing with hexane, drying in vac. at room temp.; elem. anal.;71%
In sulfolane (N2); addn. of sulfolane to HfCl4; filtration, addn. of CH2Cl2, then toluene, then hexane, standing for 15 d, filtration, washing with hexane, drying in vac.; elem. anal.;21%
sulfolane
126-33-0

sulfolane

(3R)-4-[6-chloro-2-(methylsulfanyl)pyrimidin-4-yl]-3-methylmorpholine

(3R)-4-[6-chloro-2-(methylsulfanyl)pyrimidin-4-yl]-3-methylmorpholine

2-(6-((R)-3-methylmorpholino)-2-(methylthio)pyrimidin-4-yl)tetrahydrothiophene 1,1-dioxide

2-(6-((R)-3-methylmorpholino)-2-(methylthio)pyrimidin-4-yl)tetrahydrothiophene 1,1-dioxide

Conditions
ConditionsYield
Stage #1: sulfolane With lithium diisopropyl amide In tetrahydrofuran at 0℃; for 1.5h; Inert atmosphere;
Stage #2: With zinc(II) chloride In tetrahydrofuran at 0℃; for 1.5h; Inert atmosphere;
Stage #3: (3R)-4-[6-chloro-2-(methylsulfanyl)pyrimidin-4-yl]-3-methylmorpholine With palladium diacetate; XPhos In tetrahydrofuran at 65℃; for 16h; Negishi Coupling; Inert atmosphere;
71%
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