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Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products 1,4-Dichloro-2-butyne(821-10-3)

Cas:821-10-3

Min.Order:100 Gram

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Type:Other

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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 ch

1,4-Dichloro-2-butyne Manufacturer/High quality/Best price/In stock

Cas:821-10-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

1,4-Dichloro-2-butyne Basic information Product Name: 1,4-Dichloro-2-butyne Synonyms: 1,4-DICHLORO-2-BUTYNE;1,4-dichloro-2-butyn;1,4-dichloro-but-2-yne;1,4-Dichloro

TIANFU-CHEM 1,4-Dichloro-2-butyne 821-10-3

Cas:821-10-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

China Gold SupplierCAS 821-10-3 with best price

Cas:821-10-3

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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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

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

CAS NO.:821-10-3

Cas:821-10-3

Min.Order:0

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

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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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 1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0 Metric Ton

Negotiable

Type:Other

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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

1,4-Dichloro-2-butyne/High quality/Best price

Cas:821-10-3

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

1,4-Dichloro-2-butyne Chemical Properties Melting point 162-165 °C Boiling point 165-168 °C (lit.) density 1.258 g/mL at 25 °C (lit.) refractive index n20/D 1.505(lit.) Fp 320 °F storage temp. Keep in dark plac

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

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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

821-10-3 CAS NO.821-10-3

Cas:821-10-3

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

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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

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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DB BIOTECH CO., LTD

Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

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Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

high 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

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Manufacturers

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Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Manufacturers

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Chemsigma International Co.,Ltd.

bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as:

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

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Antimex Chemical Limied

Ansciep 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

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

1,4-Dichlorobut-2-yne 821-10-3

Cas:821-10-3

Min.Order:0

Negotiable

Type:Trading Company

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Guangdong Juda Chemical Industrial Co.,Limited

Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

1,4-Dichloro-2-butyne CAS No.821-10-3

Cas:821-10-3

Min.Order:0

Negotiable

Type:Trading Company

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HANGZHOU TIANYE CHEMICALS CO., LTD.

We 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:intermediate

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Trading Company

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BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Trading Company

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Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

821-10-3

Cas:821-10-3

Min.Order:0

Negotiable

Type:Trading Company

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Hangzhou Fandachem Co.,Ltd

1,4-Dichloro-2-butyne cas 821-10-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

1,4-Dichloro-2-butyne cas 821-10-3

Cas:821-10-3

Min.Order:0

Negotiable

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta

1,4-Dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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SAGECHEM LIMITED

821-10-3 Application:intermediate

1,4-dichloro-2-butyne

Cas:821-10-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Yuanye Bio-Technology Co., Ltd.

Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica

1,4-Dichloro-2-butyne manufacturer

Cas:821-10-3

Min.Order:0

Negotiable

Type:Trading Company

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Synthetic route

1,4-dihydroxybut-2-yne
110-65-6

1,4-dihydroxybut-2-yne

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

Conditions
ConditionsYield
With pyridine; thionyl chloride84%
With thionyl chloride In pyridine82%
With pyridine; thionyl chloride at 0 - 20℃; for 2h;56%
but-2-yne-1,4-bisoxycarbonylchloride
16669-40-2

but-2-yne-1,4-bisoxycarbonylchloride

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

Conditions
ConditionsYield
With N,N-dimethyl-formamide In 1,2-dichloro-ethane at 80℃;76%
1,4-dihydroxybut-2-yne
110-65-6

1,4-dihydroxybut-2-yne

A

4-chlorobut-2-yn-1-ol
13280-07-4

4-chlorobut-2-yn-1-ol

B

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

Conditions
ConditionsYield
With thionyl chloride; triethylamine In dichloromethane at 10 - 20℃;A 54%
B 18%
With pyridine; thionyl chloride In benzene at 10 - 20℃; for 6h;A 49%
B 24%
With pyridine; thionyl chloride In benzene at 0 - 20℃;A 40%
B 17%
With pyridine; thionyl chloride In benzene at 0 - 20℃;A 35%
B n/a
With pyridine; thionyl chloride In benzene 1) 10 - 20 deg C, 7 h, 2) overnight;A 26%
B 30%
pyridine
110-86-1

pyridine

1,4-dihydroxybut-2-yne
110-65-6

1,4-dihydroxybut-2-yne

thionyl chloride
7719-09-7

thionyl chloride

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

Conditions
ConditionsYield
at 10 - 20℃;
1,4-dihydroxybut-2-yne
110-65-6

1,4-dihydroxybut-2-yne

phosphorus pentachloride
10026-13-8, 874483-75-7

phosphorus pentachloride

benzene
71-43-2

benzene

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

1,4-dihydroxybut-2-yne
110-65-6

1,4-dihydroxybut-2-yne

SOCl2 (excess)

SOCl2 (excess)

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

Conditions
ConditionsYield
at 80℃;
1,4-dihydroxybut-2-yne
110-65-6

1,4-dihydroxybut-2-yne

hydrogenchloride
7647-01-0

hydrogenchloride

acetic acid
64-19-7

acetic acid

A

(Z)-2,4-dichloro-but-2-en-1-ol
7166-52-1

(Z)-2,4-dichloro-but-2-en-1-ol

B

3,4-dichloro-but-2-en-1-ol
16346-49-9

3,4-dichloro-but-2-en-1-ol

C

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

Conditions
ConditionsYield
at 100 - 110℃;
triethylsilane
617-86-7

triethylsilane

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

1,4-dichloro 2-triethylsilylbut-2-ene
108930-44-5

1,4-dichloro 2-triethylsilylbut-2-ene

Conditions
ConditionsYield
With dihydrogen hexachloroplatinate In tetrahydrofuran at 85℃; for 4h;100%
With platinum(IV) oxide In toluene at 100℃; for 24h; diastereoselective reaction;75%
dihydrogen hexachloroplatinate
With dihydrogen hexachloroplatinate at 170℃; for 1h;
Phenylselenyl chloride
5707-04-0

Phenylselenyl chloride

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

(E)-2-(Phenylseleno)-1,3,4-trichlorobut-2-ene
85972-08-3

(E)-2-(Phenylseleno)-1,3,4-trichlorobut-2-ene

Conditions
ConditionsYield
In acetonitrile at 25℃; for 20h;100%
1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

1,2,3,4,5-pentakis(chloromethyl)-5-(1'-chlorovinyl)cyclopentadiene

1,2,3,4,5-pentakis(chloromethyl)-5-(1'-chlorovinyl)cyclopentadiene

Conditions
ConditionsYield
With copper dichloride; palladium dichloride In butan-1-ol; benzene at 25℃; for 24h;100%
With copper dichloride; palladium dichloride In methanol; carbon dioxide at 40℃; under 120012 Torr; for 8h;98%
1-methyl-1H-imidazole
616-47-7

1-methyl-1H-imidazole

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

3,3′-(but-2-yne-1,4-diyl)bis(1-methyl-1H-imidazol-3-ium) chloride

3,3′-(but-2-yne-1,4-diyl)bis(1-methyl-1H-imidazol-3-ium) chloride

Conditions
ConditionsYield
In neat (no solvent) Sonication;100%
In acetonitrile at 80℃; for 24h;86%
3-thiapentan-1,5-dithiol
3570-55-6

3-thiapentan-1,5-dithiol

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

1,4,7-trithiacycloundec-9-yne
158548-70-0

1,4,7-trithiacycloundec-9-yne

Conditions
ConditionsYield
With potassium hydroxide In tetrahydrofuran for 5h;99.7%
potassium phenyl selenide
40973-72-6

potassium phenyl selenide

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

1,4-bis(phenylselanyl)but-2-yne
13597-13-2

1,4-bis(phenylselanyl)but-2-yne

Conditions
ConditionsYield
With hydrazine hydrate; potassium hydroxide at 25℃; for 2.5h; Temperature;99%
1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

benzenesulfenyl chloride
931-59-9

benzenesulfenyl chloride

(E)-phenyl(1,3,4-trichlorobut-2-en-2-yl)sulfane
85972-06-1

(E)-phenyl(1,3,4-trichlorobut-2-en-2-yl)sulfane

Conditions
ConditionsYield
In acetonitrile at 25℃; for 1h;98%
In acetonitrile at 25℃; for 3h;98%
allyl alcohol
107-18-6

allyl alcohol

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

(Z)-5,6-dichloro-4-(chloromethyl)hexa-1,4-diene

(Z)-5,6-dichloro-4-(chloromethyl)hexa-1,4-diene

Conditions
ConditionsYield
With 1-(carboxymethyl)-3-methylimidazolium chloride; hydrogenchloride; palladium dichloride In water at 20℃; for 12h; diastereoselective reaction;98%
With acetic acid; palladium dichloride In water at 20℃; for 6h;91%
(2-propenyl)propanedioic acid diethyl ester
2049-80-1

(2-propenyl)propanedioic acid diethyl ester

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

tetraethyl dodeca-1,11-dien-6-yne-4,4,9,9-tetracarboxylate
1193378-70-9

tetraethyl dodeca-1,11-dien-6-yne-4,4,9,9-tetracarboxylate

Conditions
ConditionsYield
Stage #1: (2-propenyl)propanedioic acid diethyl ester With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at 0℃;
Stage #2: 1,4-Dichloro-2-butyne In tetrahydrofuran; N,N-dimethyl-formamide at 0 - 20℃;
98%
Ph4P{MoCl(CO)3(1,10-phenanthroline)}
67870-32-0, 156926-44-2

Ph4P{MoCl(CO)3(1,10-phenanthroline)}

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

MoCl(CO)2(1,10-phenanthroline)(η(3)-CH2C(COCl)C=CH2)
156842-95-4

MoCl(CO)2(1,10-phenanthroline)(η(3)-CH2C(COCl)C=CH2)

Conditions
ConditionsYield
In water N2; stirring aq. suspn. of Mo complex with alkyne for 0.5 h; decantation, washing the residue with minimum cold water, drying at 50°C;97.7%
In chloroform treatment of Mo-complex with excess ClCH2CCCH2Cl in CHCl3 at 20°C; high yield, elem. anal.;
1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

trans-2,3-dibromo-1,4-dichloro-2-butene
85415-22-1

trans-2,3-dibromo-1,4-dichloro-2-butene

Conditions
ConditionsYield
With bromine In tetrachloromethane at 20℃; for 4h;97%
With bromine In tetrachloromethane at 25℃; for 4h;94%
N-allyl-o-nitrobenzenesulfonamide
65118-17-4

N-allyl-o-nitrobenzenesulfonamide

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

N,N'-(but-2-yn-1,4-diyl)-bis-(N-allyl-2-nitrobenzenesulfonamide)

N,N'-(but-2-yn-1,4-diyl)-bis-(N-allyl-2-nitrobenzenesulfonamide)

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 48h; Reflux;97%
1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

bis(2-mercaptoethyl)ether
2150-02-9

bis(2-mercaptoethyl)ether

1,7-dithia-4-oxa-cycloundec-9-yne
153615-60-2

1,7-dithia-4-oxa-cycloundec-9-yne

Conditions
ConditionsYield
With potassium hydroxide In tetrahydrofuran for 5h;95%
1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

(Z)-2-bromo-1,4-dichloro-2-butene

(Z)-2-bromo-1,4-dichloro-2-butene

Conditions
ConditionsYield
With hydrogen bromide In acetic acid for 12h; Ambient temperature;95%
potassium benzenemethanethiolate
61671-44-1

potassium benzenemethanethiolate

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

1,4-bis(benzylsulfanyl)but-2-yne
86737-77-1

1,4-bis(benzylsulfanyl)but-2-yne

Conditions
ConditionsYield
With hydrazine hydrate; potassium hydroxide at 25℃; for 2.5h; Temperature;95%
1,3-dimethyl-5-hydroxyuracil
20406-86-4

1,3-dimethyl-5-hydroxyuracil

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

5-(4-Chloro-but-2-ynyloxy)-1,3-dimethyl-1H-pyrimidine-2,4-dione

5-(4-Chloro-but-2-ynyloxy)-1,3-dimethyl-1H-pyrimidine-2,4-dione

Conditions
ConditionsYield
With potassium carbonate In acetone for 10h; Heating;94%
water+2

water+2

Octanethiol
111-88-6

Octanethiol

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

1-chloro-5-thia-2-tridecyne
301648-86-2

1-chloro-5-thia-2-tridecyne

Conditions
ConditionsYield
With sodium methylate; sodium chloride In methanol94%
1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

Butadiyne
460-12-8

Butadiyne

Conditions
ConditionsYield
With potassium hydroxide In dimethyl sulfoxide at 70 - 75℃; into -78 deg C cooling trap;93%
With potassium hydroxide In tetrahydrofuran; water; dimethyl sulfoxide at 95℃; for 0.25h;90%
With potassium hydroxide Dehydrochlorination;50%
Phenylselenyl bromide
34837-55-3

Phenylselenyl bromide

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

(E)-2-(Phenylseleno)-3-bromo-1,4-dichlorobut-2-ene
85972-09-4

(E)-2-(Phenylseleno)-3-bromo-1,4-dichlorobut-2-ene

Conditions
ConditionsYield
In dichloromethane at 40℃; for 120h;93%
3,5-dichloro-6-phenyl-2(H)-1,4-oxazin-2-one
125850-00-2

3,5-dichloro-6-phenyl-2(H)-1,4-oxazin-2-one

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

2,6-dichloro-3,4-bis(chloromethyl)-5-phenylpyridine
163459-10-7

2,6-dichloro-3,4-bis(chloromethyl)-5-phenylpyridine

Conditions
ConditionsYield
at 120℃; for 120h;93%
at 100℃; Yield given;
at 80℃; for 240h; Diels-Alder reaction;
3,5-dichloro-2(H)-1,4-oxazin-2-one
125850-02-4

3,5-dichloro-2(H)-1,4-oxazin-2-one

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

2,6-Dichloro-3,4-bis-chloromethyl-pyridine
182552-90-5

2,6-Dichloro-3,4-bis-chloromethyl-pyridine

Conditions
ConditionsYield
at 120℃; for 4h;93%
In toluene for 120h; Heating;
WBrI(CO)3(NCCH3)2
127340-84-5

WBrI(CO)3(NCCH3)2

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

{W(μ-I)(CO)Br(NCMe)(η2-ClCH2C2CH2Cl)}2

{W(μ-I)(CO)Br(NCMe)(η2-ClCH2C2CH2Cl)}2

Conditions
ConditionsYield
In dichloromethane N2-atmosphere; 1:1 molar ratio, stirring (4 h); filtration, solvent removal from filtrate (vac.), recrystn. (CH2Cl2); elem. anal.;93%
1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

N-allyl-2-bromobenzenesulfonamide
851297-52-4

N-allyl-2-bromobenzenesulfonamide

N,N'-(but-2-yn-1,4-diyl)-bis-(N-allyl-2-bromobenzenesulfonamide)

N,N'-(but-2-yn-1,4-diyl)-bis-(N-allyl-2-bromobenzenesulfonamide)

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 48h; Reflux;93%
tetraacetyl thioglucose
19879-84-6

tetraacetyl thioglucose

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

Acetic acid (2S,3S,4S,5R,6S)-3,5-diacetoxy-2-(2-oxo-propoxy)-6-[4-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-ylsulfanyl)-but-2-ynylsulfanyl]-tetrahydro-pyran-4-yl ester
83476-61-3

Acetic acid (2S,3S,4S,5R,6S)-3,5-diacetoxy-2-(2-oxo-propoxy)-6-[4-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-ylsulfanyl)-but-2-ynylsulfanyl]-tetrahydro-pyran-4-yl ester

Conditions
ConditionsYield
With potassium carbonate In acetone for 1h;92%
C7H7Se(1-)*K(1+)

C7H7Se(1-)*K(1+)

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

1,4-bis(benzylselanyl)but-2-yne

1,4-bis(benzylselanyl)but-2-yne

Conditions
ConditionsYield
With hydrazine hydrate; potassium hydroxide at 25℃; for 2.5h; Temperature;92%
methyl 2-carbomethoxy-10-<(tetrahydro-2H-pyran-2-yl)oxy>-8-decynoate
114952-70-4

methyl 2-carbomethoxy-10-<(tetrahydro-2H-pyran-2-yl)oxy>-8-decynoate

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

2-(4-Chloro-but-2-ynyl)-2-[8-(tetrahydro-pyran-2-yloxy)-oct-6-ynyl]-malonic acid dimethyl ester
114939-18-3

2-(4-Chloro-but-2-ynyl)-2-[8-(tetrahydro-pyran-2-yloxy)-oct-6-ynyl]-malonic acid dimethyl ester

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran for 0.666667h; Heating;91%
3,5-dichloro-6-methyl-2(H)-1,4-oxazin-2-one
125849-94-7

3,5-dichloro-6-methyl-2(H)-1,4-oxazin-2-one

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

2,6-dichloro-3,4-bis(chloromethyl)-5-methylpyridine
163459-09-4

2,6-dichloro-3,4-bis(chloromethyl)-5-methylpyridine

Conditions
ConditionsYield
at 120℃; for 120h;91%
at 100℃; Yield given;
In toluene for 120h; Heating;
dimethylmonochlorosilane
1066-35-9

dimethylmonochlorosilane

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

1,4-dichloro-2-(chlorodimethyl)silyl-2-butene
99091-57-3

1,4-dichloro-2-(chlorodimethyl)silyl-2-butene

Conditions
ConditionsYield
chloroplatinic acid In isopropyl alcohol91%
2-ethynylpyridine
1945-84-2

2-ethynylpyridine

sodium azide

sodium azide

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

C18H14N8

C18H14N8

Conditions
ConditionsYield
Stage #1: sodium azide; 1,4-Dichloro-2-butyne In N,N-dimethyl-formamide at 20℃; for 2h; Inert atmosphere;
Stage #2: 2-ethynylpyridine With copper(ll) sulfate pentahydrate; sodium L-ascorbate In water; N,N-dimethyl-formamide at 20℃; for 17h; Inert atmosphere;
91%
tert-butylmagnesium chloride
677-22-5

tert-butylmagnesium chloride

1,4-Dichloro-2-butyne
821-10-3

1,4-Dichloro-2-butyne

2,3-di-tert-butyl-1,3-butadiene
3378-20-9

2,3-di-tert-butyl-1,3-butadiene

Conditions
ConditionsYield
With copper(I) bromide In tetrahydrofuran at -20 - 0℃;90%
In tetrahydrofuran80%

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