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Dayang Chem (Hangzhou) Co.,Ltd.

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

2,5-Dichlorothiophene Manufacturer/High quality/Best price/In stock

Cas:3172-52-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 2,5-Dichlorothiophene supplier in China

Cas:3172-52-9

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Hangzhou Think Chemical Co. Ltd

2,5-Dichlorothiophene CAS No.:3172-52-9 Name: 2,5-Dichlorothiophene Molecular Structure Molecular Formula: C4H2Cl2S Molecular Weight: 153.02 CAS Registry Number: 3172-52-9 EINECS: 221-638-

High purity 2,5-Dichlorothiophene CAS No.:3172-52-9

Cas:3172-52-9

Min.Order:1 Kilogram

FOB Price: $2.0

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

High Quality 99% 3172-52-9 Metomidine base Manufacturer

Cas:3172-52-9

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

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 3172-52-9 with fast shipping

Cas:3172-52-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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:liquid Storage:Store in sealed containers at cool & dry pla

High Quality 99% 2,5-Dichlorothiophene CAS No 3172-52-9

Cas:3172-52-9

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Thiophene, 2,5-dichloro-

Cas:3172-52-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

2,5-Dichloro thiophene

Cas:3172-52-9

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Quanhe Biotechnology Co. LTD

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

2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:1 Kilogram

FOB Price: $60.0 / 100.0

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

2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:0

Negotiable

Type:Manufacturers

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

2,5-Dichloro thiophene

Cas:3172-52-9

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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

2,5-DICHLOROTHIOPHENE

Cas:3172-52-9

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

2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We 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

2,5-Dichloro thiophene

Cas:3172-52-9

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

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

3172-52-9 2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 2,5-Dichlorothiophene CAS No.:3172-52-9 Molecule Formula:C4H2Cl2S Molecule Weight:153.03 Purity: 99.0% Package: 25kg/drum Description:Colorless to light yellow transparent liquid Manufacture Standards:Enterprise Standard

Best Quality 2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Metomidinebase

Cas:3172-52-9

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?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

2,5-Dichloro thiophene

Cas:3172-52-9

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong 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

2,5-Dichloro thiophene

Cas:3172-52-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.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

2,5-Dichloro thiophene

Cas:3172-52-9

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Bluecrystal chem-union

We 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

2,5-Dichloro thiophene

Cas:3172-52-9

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

2,5-DICHLORO THIOPHENE cas no. 3172-52-9 98%

Cas:3172-52-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower 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

2,5-Dichloro thiophene

Cas:3172-52-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high 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

2,5-DICHLOROTHIOPHENE

Cas:3172-52-9

Min.Order:0

Negotiable

Type:Other

inquiry

Wuhan Fortuna Chemical Co.,Ltd

1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers525.Safe and fa

2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

2,5-Dichlorothiophene

Cas:3172-52-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

thiophene
188290-36-0

thiophene

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

Conditions
ConditionsYield
With N-chloro-succinimide In tetrachloromethane for 4h; Time; Reflux;95%
With N-chloro-succinimide; perchloric acid In tetrachloromethane for 24h; Ambient temperature;82%
With lead(IV) acetate; tin(IV) chloride In ethyl acetate for 0.25h;75%
With N-chloro-succinimide; perchloric acid In chloroform for 0.5h; Heating;67%
With chlorine anschliessend Erhitzen mit Kaliumhydroxid und Natriumhydroxid;
2-thienyl chloride
96-43-5

2-thienyl chloride

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

Conditions
ConditionsYield
With N-chloro-succinimide; perchloric acid In tetrachloromethane for 24h; Ambient temperature;82%
With chlorine anschliessend Erhitzen mit Kaliumhydroxid und Natriumhydroxid;
With chlorine Yield given;
thiophene
188290-36-0

thiophene

A

2-thienyl chloride
96-43-5

2-thienyl chloride

B

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

Conditions
ConditionsYield
With ammonium nitrate; N-chloro-succinimide In acetonitrile for 1h;A 59%
B 10%
With hydrogenchloride; sodium peroxide In toluene; benzene at 28 - 30℃; for 0.5h; Product distribution; var. reagents; var. temperatures, var. reaction times;A 67 % Chromat.
B 11 % Chromat.
With chlorine; potassium carbonate
2,5-dichlorothiophene-3-carboxylic acid
36157-41-2

2,5-dichlorothiophene-3-carboxylic acid

A

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

B

2,2',5,5'-tetrachloro-3,3'-bithiophene
57308-99-3

2,2',5,5'-tetrachloro-3,3'-bithiophene

Conditions
ConditionsYield
With palladium(II) trifluoroacetate; silver carbonate In dimethyl sulfoxide; N,N-dimethyl-formamide at 120℃; for 16h; Inert atmosphere;A n/a
B 57%
thiophene
188290-36-0

thiophene

A

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

B

2,3,5-trichlorothiophene
17249-77-3

2,3,5-trichlorothiophene

Conditions
ConditionsYield
With N-chloro-succinimide In acetic acid for 2h; Chlorination; Heating;A 26%
B 26%
thiophene
188290-36-0

thiophene

N-chloroacetamide
598-49-2

N-chloroacetamide

A

2-thienyl chloride
96-43-5

2-thienyl chloride

B

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

Conditions
ConditionsYield
at 60℃;
2-thiophenylcarboxylic acid
527-72-0

2-thiophenylcarboxylic acid

A

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

B

5-Chlorothiophene-2-carboxylic acid
24065-33-6

5-Chlorothiophene-2-carboxylic acid

Conditions
ConditionsYield
With alkaline aqueous sodium hypochlorite solution anschliessend Erwaermen mit wss. Salzsaeure;
2,2,3,4,5,5-hexachloro-tetrahydro-thiophene
18614-15-8

2,2,3,4,5,5-hexachloro-tetrahydro-thiophene

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

Conditions
ConditionsYield
With water; zinc
2,3,4,5-tetrachloro-tetrahydro-thiophene
64048-11-9

2,3,4,5-tetrachloro-tetrahydro-thiophene

A

2,4-dichlorothiophene
17249-75-1

2,4-dichlorothiophene

B

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

C

2,3-Dichlorothiophene
17249-79-5

2,3-Dichlorothiophene

Conditions
ConditionsYield
Erhitzen auf 180grad; optically inactive stereoisomer(ic) of mp: 113 degree;
2-(methyldichlorosilyl)thiophene
18243-72-6

2-(methyldichlorosilyl)thiophene

A

2-thienyl chloride
96-43-5

2-thienyl chloride

B

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

C

Methyltrichlorosilane
75-79-6

Methyltrichlorosilane

Conditions
ConditionsYield
With chlorine; iron(III) chloride at 20℃; for 5h; Product distribution; other temperatures; various reaction times; other reagents: SO2Cl2, antimony trichloride, iodine.;
trichloro-thiophen-2-yl-silane
18145-51-2

trichloro-thiophen-2-yl-silane

A

thiophene
188290-36-0

thiophene

B

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

C

trichloro-(5-chloro-thiophen-2-yl)-silane
18145-49-8

trichloro-(5-chloro-thiophen-2-yl)-silane

D

Trichloro-(4-chloro-thiophen-2-yl)-silane

Trichloro-(4-chloro-thiophen-2-yl)-silane

E

Trichloro-(3-chloro-thiophen-2-yl)-silane

Trichloro-(3-chloro-thiophen-2-yl)-silane

F

3,5-dichloro-2-(trichlorosilyl)thiophene

3,5-dichloro-2-(trichlorosilyl)thiophene

Conditions
ConditionsYield
With chlorine at 20℃; for 6h; Product distribution; other temperatures; various reaction times; presence of catalysator: ferric chloride; UV irradiation; other reagent: SO2Cl2.;
trichloro-thiophen-2-yl-silane
18145-51-2

trichloro-thiophen-2-yl-silane

A

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

B

trichloro-(5-chloro-thiophen-2-yl)-silane
18145-49-8

trichloro-(5-chloro-thiophen-2-yl)-silane

C

Trichloro-(4-chloro-thiophen-2-yl)-silane

Trichloro-(4-chloro-thiophen-2-yl)-silane

D

Trichloro-(3-chloro-thiophen-2-yl)-silane

Trichloro-(3-chloro-thiophen-2-yl)-silane

Conditions
ConditionsYield
With chlorine at 20℃; for 6h; Irradiation; Further byproducts given;A 6.6 g
B n/a
C n/a
D n/a
2,2,3,4,5,5-hexachloro-tetrahydro-thiophene
18614-15-8

2,2,3,4,5,5-hexachloro-tetrahydro-thiophene

water
7732-18-5

water

zinc

zinc

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

Conditions
ConditionsYield
Erwaermen;
thiophene
188290-36-0

thiophene

chlorine
7782-50-5

chlorine

A

2-thienyl chloride
96-43-5

2-thienyl chloride

B

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

thiophene
188290-36-0

thiophene

acetic acid chloroamide (3 mol)

acetic acid chloroamide (3 mol)

A

2-thienyl chloride
96-43-5

2-thienyl chloride

B

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

ethanol
64-17-5

ethanol

2,3,4,5-tetrachloro-tetrahydro-thiophene
64048-11-9

2,3,4,5-tetrachloro-tetrahydro-thiophene

potassium hydroxide

potassium hydroxide

A

3,4-dichlorothiophene
17249-76-2

3,4-dichlorothiophene

B

2,4-dichlorothiophene
17249-75-1

2,4-dichlorothiophene

C

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

Conditions
ConditionsYield
optically inactive stereoisomer(ic) of mp: 113 degree;
thiophene
188290-36-0

thiophene

A

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

B

2-chloro-thiophene C4H3ClS

2-chloro-thiophene C4H3ClS

Conditions
ConditionsYield
With chlorine; potassium carbonate
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

N-(2,2,2-trichloroethylidene)-4-chlorobenzenesulfonamide
81924-15-4

N-(2,2,2-trichloroethylidene)-4-chlorobenzenesulfonamide

N-[2,2,2-trichloro-1-(2,5-dichlorothiophen-3-yl)ethyl]-4-chlorobenzenesulfonamide

N-[2,2,2-trichloro-1-(2,5-dichlorothiophen-3-yl)ethyl]-4-chlorobenzenesulfonamide

Conditions
ConditionsYield
With sulfuric acid In Trichloroethylene93%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

S-methyl benzenethiosulfonate
1125-25-3

S-methyl benzenethiosulfonate

2,5-dichloro-3-(methylthio)thiophene
1097189-64-4

2,5-dichloro-3-(methylthio)thiophene

Conditions
ConditionsYield
Stage #1: 2,5-diclorothiophene With 2,2,6,6-tetramethylpiperidinylmagnesium chloride In tetrahydrofuran at 25℃; for 0.5h; Inert atmosphere;
Stage #2: S-methyl benzenethiosulfonate In tetrahydrofuran for 0.5h; Inert atmosphere;
92%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

chloroacetyl chloride
79-04-9

chloroacetyl chloride

2-chloro-1-(2,5-dichlorothiophen-3-yl) ethanone
13668-93-4

2-chloro-1-(2,5-dichlorothiophen-3-yl) ethanone

Conditions
ConditionsYield
With aluminium trichloride In carbon disulfide for 1h; Heating;91%
91%
With carbon disulfide; aluminum (III) chloride at 20℃; for 17h; Friedel-Crafts Acylation; Inert atmosphere; Reflux;91%
With aluminum (III) chloride In carbon disulfide Friedel Crafts acylation;
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

acetyl chloride
75-36-5

acetyl chloride

3-acetyl-2,5-dichlorothiophene
36157-40-1

3-acetyl-2,5-dichlorothiophene

Conditions
ConditionsYield
With aluminum (III) chloride In carbon disulfide at 20℃; for 25h; Friedel-Crafts Acylation;90%
With aluminum (III) chloride In carbon disulfide at 20℃;76.7%
With aluminium trichloride In chloroform at 20℃; for 5h;52%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

phenylboronic acid
98-80-6

phenylboronic acid

2,5-Diphenyl-thiophene
1445-78-9

2,5-Diphenyl-thiophene

Conditions
ConditionsYield
With 4-di-tert-butylphosphanyl-1-phenyl-5-(2,6-dimethoxyphenyl)-1H-[1,2,3]triazole; potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0) In toluene at 100℃; for 12h; Suzuki coupling; Inert atmosphere;90%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

(4-chlorophenyl)(2,5-dichlorothiophen-3-yl)methanol

(4-chlorophenyl)(2,5-dichlorothiophen-3-yl)methanol

Conditions
ConditionsYield
Stage #1: 2,5-diclorothiophene With 2,2,6,6-tetramethylpiperidinylmagnesium chloride lithium chloride complex In tetrahydrofuran at 25℃; for 0.05h;
Stage #2: 4-chlorobenzaldehyde In tetrahydrofuran at 25℃; for 0.00166667h;
88%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

N-(2,2,2-trichloroethylidene)benzenesulfonamide
55596-11-7

N-(2,2,2-trichloroethylidene)benzenesulfonamide

N-[2,2,2-trichloro-1-(2,5-dichlorothiophen-3-yl)ethyl]benzenesulfonamide

N-[2,2,2-trichloro-1-(2,5-dichlorothiophen-3-yl)ethyl]benzenesulfonamide

Conditions
ConditionsYield
With sulfuric acid In Trichloroethylene87%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

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

N,N-dimethyl-formamide

2,5-dichlorothiophene-4-carboxaldehyde
61200-60-0

2,5-dichlorothiophene-4-carboxaldehyde

Conditions
ConditionsYield
Stage #1: 2,5-diclorothiophene With 2,2,6,6-tetramethylpiperidinylmagnesium chloride lithium chloride complex In tetrahydrofuran at 25℃; for 0.05h;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at 25℃; for 0.00361111h;
87%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
25015-63-8

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane

2-(2,5-dichlorothiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
942070-18-0

2-(2,5-dichlorothiophen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Conditions
ConditionsYield
With 4,4'-di(tert-butyl)-2,2'-dipyridyl; [Ir(μ2-OMe)(1,4-cyclooctadiene)]2 In hexane at 20℃; for 20h;86%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

1-Naphthalenethiol
529-36-2

1-Naphthalenethiol

2-Chloro-5-(1-naphthylthio)thiophene

2-Chloro-5-(1-naphthylthio)thiophene

Conditions
ConditionsYield
at 162 - 190℃; for 8h;85%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

2,5-dichloro-3,4-dinitrothiophene
51584-21-5

2,5-dichloro-3,4-dinitrothiophene

Conditions
ConditionsYield
With sulfuric acid; nitric acid at 70℃;83%
With sulfuric acid; nitric acid for 3h;82%
With sulfuric acid; nitric acid 1) 5 deg C, 2) r.t., 12 h;77%
With sulfuric acid; nitric acid
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

tert-butyl 2,5-dichlorothiophene-3-carboxylate
1097189-65-5

tert-butyl 2,5-dichlorothiophene-3-carboxylate

Conditions
ConditionsYield
Stage #1: 2,5-diclorothiophene With 2,2,6,6-tetramethylpiperidinylmagnesium chloride In tetrahydrofuran at 25℃; for 0.5h; Inert atmosphere;
Stage #2: di-tert-butyl dicarbonate In tetrahydrofuran at -20℃; Inert atmosphere;
82%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

dibenzothiophenium bismethoxycarbonylmethylide
34297-79-5

dibenzothiophenium bismethoxycarbonylmethylide

2,5-dichlorothiophenium-1-bis(methoxycarbonyl)methylide
66946-86-9

2,5-dichlorothiophenium-1-bis(methoxycarbonyl)methylide

Conditions
ConditionsYield
UV-irradiation;81%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

o-cyanobromobenzene
2042-37-7

o-cyanobromobenzene

2-(2,5-dichlorothiophen-3-yl)benzonitrile
1552295-09-6

2-(2,5-dichlorothiophen-3-yl)benzonitrile

Conditions
ConditionsYield
With PdCl(C3H5)(1,4-bis(diphenylphosphino)butane); potassium acetate In N,N-dimethyl-formamide at 150℃; for 20h; Inert atmosphere; Schlenk technique; regioselective reaction;81%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

4-aminotiophenol
1193-02-8

4-aminotiophenol

2,5-bis(4-aminophenylenesulfanyl)thiophene
211238-27-6

2,5-bis(4-aminophenylenesulfanyl)thiophene

Conditions
ConditionsYield
Stage #1: 4-aminotiophenol With potassium carbonate In toluene at 140℃; for 4h; Dean-Stark; Inert atmosphere;
Stage #2: 2,5-diclorothiophene at 120℃; Inert atmosphere;
80%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

benzoyl chloride
98-88-4

benzoyl chloride

(2,5-dichloro-3-thienyl)(phenyl)methanone
99971-87-6

(2,5-dichloro-3-thienyl)(phenyl)methanone

Conditions
ConditionsYield
Stage #1: 2,5-diclorothiophene With 2,2,6,6-tetramethylpiperidinylmagnesium chloride In tetrahydrofuran at 25℃; for 0.5h; Inert atmosphere;
Stage #2: With copper(I) cyanide*2 lithium chloride In tetrahydrofuran for 0.25h; Inert atmosphere;
Stage #3: benzoyl chloride In tetrahydrofuran at -30 - 25℃;
78%
With carbon disulfide; aluminium trichloride
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

2,5-dichloro-3,4-diiodothiophene
57308-89-1

2,5-dichloro-3,4-diiodothiophene

Conditions
ConditionsYield
With sulfuric acid; iodine; acetic acid; periodic acid at 90℃;78%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

4-bromoisoquinoline
1532-97-4

4-bromoisoquinoline

4-(2,5-dichlorothiophen-3-yl)isoquinoline
1552295-11-0

4-(2,5-dichlorothiophen-3-yl)isoquinoline

Conditions
ConditionsYield
With PdCl(C3H5)(1,4-bis(diphenylphosphino)butane); potassium acetate In N,N-dimethyl-formamide at 150℃; for 20h; Inert atmosphere; Schlenk technique; regioselective reaction;78%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

Ethyl oxalyl chloride
4755-77-5

Ethyl oxalyl chloride

ethyl 2,5-dichloro-3-thienylglyoxylate
32766-64-6

ethyl 2,5-dichloro-3-thienylglyoxylate

Conditions
ConditionsYield
With aluminium trichloride In nitromethane 1.) 10 deg C, 1 h, 2.) room temp., 1 h;77%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

2-Thiophenecarbonyl chloride
5271-67-0

2-Thiophenecarbonyl chloride

2,5-dichloro-3-(2-thiophenecarbonyl)thiophene
57248-31-4

2,5-dichloro-3-(2-thiophenecarbonyl)thiophene

Conditions
ConditionsYield
With aluminium trichloride In nitromethane at 20℃; for 24h;76%
With carbon disulfide; aluminium trichloride
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

2,5-dichlorothiophene 1,1-dioxide
72541-87-8

2,5-dichlorothiophene 1,1-dioxide

Conditions
ConditionsYield
With dihydrogen peroxide; trifluoroacetic anhydride In acetonitrile at 0 - 20℃;76%
With trifluoroacetyl peroxide In acetonitrile for 4h;76%
With water; fluorine In acetonitrile for 0.333333h; Ambient temperature;70%
With HOF* CH3CN In chloroform; water for 0.5h; Ambient temperature;70%
Thiophene-2-thiol
7774-74-5

Thiophene-2-thiol

2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

A

bis(thien-2-yl)sulfide
3988-99-6

bis(thien-2-yl)sulfide

B

2-thienyl disulfide
6911-51-9

2-thienyl disulfide

C

5-Chloro-2-(2-thienylthio)thiophene

5-Chloro-2-(2-thienylthio)thiophene

Conditions
ConditionsYield
at 162 - 186℃; for 11h;A 76%
B 9%
C 45%
at 162 - 186℃; for 10h;A 28%
B 9%
C 52%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

ethyl cyanoformate
623-49-4

ethyl cyanoformate

ethyl 2,5-dichlorothiophene-3-carboxylate
130562-95-7

ethyl 2,5-dichlorothiophene-3-carboxylate

Conditions
ConditionsYield
Stage #1: 2,5-diclorothiophene With 2,2,6,6-tetramethylpiperidinylmagnesium chloride In tetrahydrofuran at 25℃; for 0.5h; Inert atmosphere;
Stage #2: ethyl cyanoformate In tetrahydrofuran at 0℃; Inert atmosphere;
76%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

ether chloromethylique au dichloromethyl-3,4-thiophene
10095-90-6

ether chloromethylique au dichloromethyl-3,4-thiophene

Conditions
ConditionsYield
With tin(IV) chloride75%
With tin(IV) chloride In carbon disulfide at 0 - 20℃; for 3h;69%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

pivaloyl chloride
3282-30-2

pivaloyl chloride

1-(2,5-dichloro-3-thienyl)-2,2-dimethylpropan-1-one
1097189-66-6

1-(2,5-dichloro-3-thienyl)-2,2-dimethylpropan-1-one

Conditions
ConditionsYield
Stage #1: 2,5-diclorothiophene With 2,2,6,6-tetramethylpiperidinylmagnesium chloride In tetrahydrofuran at 25℃; for 0.5h; Inert atmosphere;
Stage #2: With copper(I) cyanide*2 lithium chloride In tetrahydrofuran for 0.25h; Inert atmosphere;
Stage #3: pivaloyl chloride In tetrahydrofuran at -20 - 25℃;
75%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

P-toluenesulfonyl cyanide
19158-51-1

P-toluenesulfonyl cyanide

2,5-dichlorothiophene-3-carbonitrile
1097189-67-7

2,5-dichlorothiophene-3-carbonitrile

Conditions
ConditionsYield
Stage #1: 2,5-diclorothiophene With 2,2,6,6-tetramethylpiperidinylmagnesium chloride In tetrahydrofuran at 25℃; for 0.5h; Inert atmosphere;
Stage #2: P-toluenesulfonyl cyanide In tetrahydrofuran at -20℃; Inert atmosphere;
73%
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

dimethyl diazomalonate
6773-29-1

dimethyl diazomalonate

2,5-dichlorothiophenium-1-bis(methoxycarbonyl)methylide
66946-86-9

2,5-dichlorothiophenium-1-bis(methoxycarbonyl)methylide

Conditions
ConditionsYield
With dirhodium tetraacetate72%
With dirhodium tetraacetate
2,5-diclorothiophene
3172-52-9

2,5-diclorothiophene

N-(methoxycarbonyl)aspartic anhydride
79686-90-1

N-(methoxycarbonyl)aspartic anhydride

4-(2,5-dichlorothiophen-3-yl)-2-methoxycarbonylamino-4-oxobutanoic acid
166764-46-1

4-(2,5-dichlorothiophen-3-yl)-2-methoxycarbonylamino-4-oxobutanoic acid

Conditions
ConditionsYield
In 1,2-dichloro-ethane for 4h; Ambient temperature;71%

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