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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

2-Chloro-1,3-butadiene

Cas:126-99-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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 2-chlorobuta-1,3-diene

Cas:126-99-8

Min.Order:1

Negotiable

Type:Other

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

Chloroprene

Cas:126-99-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 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

126-99-8 2-CHLORO-1,3-BUTADIENE

Cas:126-99-8

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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-Chloro-1,3-butadiene

Cas:126-99-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High Quality 2-CHLORO-1,3-BUTADIENE

Cas:126-99-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

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

Chloroprene 2-chloro-CAS NO.: 126-99-8

Cas:126-99-8

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis:

2-Chloro-1,3-butadiene (Chloropr

Cas:126-99-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

1,3-Butadiene,2-chloro-

Cas:126-99-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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

1,3-Butadiene,2-chloro-

Cas:126-99-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard

Hot selling products CAS 126-99-8 with fast delivery

Cas:126-99-8

Min.Order:1 Kilogram

FOB Price: $112.0

Type:Trading Company

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

Amadis Chemical offer CAS#126-99-8;CAT#A853408

Cas:126-99-8

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Sigma Chemical Co., Ltd.

Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. Our Labo

High Quality 2-CHLORO-1,3-BUTADIENE

Cas:126-99-8

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

inquiry

Hangzhou KieRay Chem Co.,Ltd.

Hangzhou KieRaychem Co.,Ltd.is located in Yuhang District of Hangzhou City and specialized in the chemical product customization, development, sales, import and export. Current business is focused on fine chemicals, pharmaceutical materials and int

Chloroprene

Cas:126-99-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Cerametek Materials(ShenZhen)Co., Ltd.

sub/micron to mesh powders (near/spheres, whiskers, flake, fiber, porous) and grain/ball, thin/ thick metal / alloys pieces / parts, thin and thick (particle) film materials /target, and custom-made crystals, substrates/parts. In the industries and a

2-Chloro-1,3 butadiene

Cas:126-99-8

Min.Order:0

Negotiable

Type:Other

inquiry

Chungking Joyinchem Co., Ltd.

Joyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom

1,3-Butadiene,2-chloro-

Cas:126-99-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Run-Biotech Co., Ltd.

Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por

2-Chloro-1,3-butadiene

Cas:126-99-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei mingxing biotech co.,ltd

Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Prompt reaction, good quality and best service make us reliable and outstanding in this industry.Appearance:yellow to white solid or po

1,3-Butadiene,2-chloro-

Cas:126-99-8

Min.Order:0

Negotiable

Type:Other

inquiry

Nanjing Raymon Biotech Co., Ltd.

2-Chloro-1,3-butadieneAppearance:Pls see the Details Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air,By courier like DHL or

2-Chloro-1,3-butadiene

Cas:126-99-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shochem(Shanghai) Co., Ltd

good quality and best price Application:intermediates

1,3-Butadiene,2-chloro-

Cas:126-99-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Skyrun Industrial Co.,Ltd

Price, Purity Application:reagent

CSR081605-61743

Cas:126-99-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Yierdechem Co. Ltd

With about ten years experiences in the field of pharmaceutical chemicals, Yierdechem has established solid business cooperation relationships with many large companys worldwide.As a leading supplier of API and pharmaceutical intermediates, holds its

2-Chloro-1,3-butadiene

Cas:126-99-8

Min.Order:0

Negotiable

Type:Other

inquiry

Hebei Ruishun Trade Co.,Ltd

Supply top quality products with a reasonable price Application:api

126-99-8

Cas:126-99-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

high purity Application:Drug intermediates Materials intermediates and active molecules

chloroprene

Cas:126-99-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

3-buten-1-yne
689-97-4

3-buten-1-yne

A

4-chloro-1,2-butadiene
25790-55-0

4-chloro-1,2-butadiene

B

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With hydrogenchloride; calcium chloride
With hydrogenchloride; calcium chloride
3-buten-1-yne
689-97-4

3-buten-1-yne

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With hydrogenchloride
With hydrogenchloride; pyrographite; mercury at 90℃;
3-buten-1-yne
689-97-4

3-buten-1-yne

A

chloroprene
126-99-8

chloroprene

B

1,3-dichloro-2-butene
926-57-8

1,3-dichloro-2-butene

Conditions
ConditionsYield
With hydrogenchloride; ammonium chloride; copper(l) chloride at 30℃;
With hydrogenchloride; ammonium chloride; copper(l) chloride at 30℃;
With hydrogenchloride; ammonium chloride; copper(l) chloride at 30℃;
2-chloro-but-2-ene
4461-41-0

2-chloro-but-2-ene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With chlorine at 500 - 515℃; Leiten durch ein Kohlerohr;
chloroethylene
75-01-4

chloroethylene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
at 500℃;
at 500℃; Pyrolysis;
1,2,4-trichlorobutane
1790-22-3

1,2,4-trichlorobutane

A

3,4-dichlorobut-1-ene
310447-99-5, 310448-01-2

3,4-dichlorobut-1-ene

B

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With sodium hydroxide at 190℃;
2,2,3-trichloro-butane
10403-60-8

2,2,3-trichloro-butane

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
at 400 - 510℃; beim Leiten durch Roehren aus Pyrexglas, Quarz, nichtrostendem Stahl oder Kupfer;
With pyrographite; barium(II) chloride at 300℃;
With water; silica gel; magnesium sulfate; magnesium chloride at 280 - 300℃;
With pyrographite; barium(II) chloride at 300℃;
at 400 - 510℃; beim Leiten durch Roehren aus Pyrexglas, Quarz, nichtrostendem Stahl oder Kupfer;
2,2,3-trichloro-butane
10403-60-8

2,2,3-trichloro-butane

A

1,1-dichloro-but-2-ene
51157-81-4

1,1-dichloro-but-2-ene

B

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
at 400 - 510℃;
at 400 - 510℃;
2,3-dichlorobut-1-ene
7013-11-8

2,3-dichlorobut-1-ene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
at 530℃; Leiten durch ein Quarzrohr;
2,3-dichlorobut-1-ene
7013-11-8

2,3-dichlorobut-1-ene

A

3-buten-1-yne
689-97-4

3-buten-1-yne

B

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
at 530℃; im Quarzrohr;
3,4-dichlorobut-1-ene
310447-99-5, 310448-01-2

3,4-dichlorobut-1-ene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With potassium hydroxide at 95℃;
With potassium hydroxide
With sodium methylate; hydroquinone
acetamide
60-35-5

acetamide

4-chloro-1,2-butadiene
25790-55-0

4-chloro-1,2-butadiene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
Isomerisierung in Gegenwart Kupfer- oder Edelmetallsalzen;
Isomerisierung in Gegenwart Kupfer- oder Edelmetallsalzen;
ethanol
64-17-5

ethanol

4-chloro-1,2-butadiene
25790-55-0

4-chloro-1,2-butadiene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
Isomerisierung, Einw. von Kupfer- oder Edelmetallsalzen;
Isomerisierung, Einw. von Kupfer- oder Edelmetallsalzen;
4-chloro-1,2-butadiene
25790-55-0

4-chloro-1,2-butadiene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
Isomerisierung in Gegenwart von anorganischen und organischen Basen;
With hydrogenchloride; copper(l) chloride
With hydrogenchloride; copper(l) chloride
Isomerisierung in Gegenwart von anorganischen und organischen Basen;
3,4-dichlorobut-1-ene
310447-99-5, 310448-01-2

3,4-dichlorobut-1-ene

sodium methylate
124-41-4

sodium methylate

hydroquinone
123-31-9

hydroquinone

chloroprene
126-99-8

chloroprene

1,3-Dichloro-2-butene
10075-38-4

1,3-Dichloro-2-butene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With pumice stone; copper(l) chloride; barium(II) chloride at 400 - 450℃;
at 532℃; im Quarzrohr;
1,2-dichloro-2-butene
13602-13-6

1,2-dichloro-2-butene

A

2,3-dichlorobut-1-ene
7013-11-8

2,3-dichlorobut-1-ene

B

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
at 533℃; beim Leiten durch ein Quarzrohr; higher-boiling form;
acetylene
74-86-2

acetylene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With hydrogenchloride; mercury(I) chloride; pyrographite at 100 - 150℃; in der Gasphase;
With hydrogenchloride; pyrographite; cadmium(II) chloride at 100 - 150℃; in der Gasphase;
With hydrogenchloride; pyrographite; lead(IV) chloride at 100 - 150℃; in der Gasphase;
With hydrogenchloride at 10℃; in geringer Menge bei der Einw. hochfrequenter elektrischer Entlandungen;
With hydrogenchloride; ammonium chloride; water; copper(l) chloride at 60℃;
1,3-dichloro-2-butene
926-57-8

1,3-dichloro-2-butene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
at 530℃; Leiten durch ein Quarzrohr;
With fired clay at 285 - 450℃;
n-butane
106-97-8

n-butane

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
photochemische Chlorierung bis zu einem Cl-Gehalt von 56-66prozent und anschliessende Pyrolyse des Reaktionsprodukts bei 400-500grad;
1,1-dichloro-2-methylcyclopropane
1727-64-6

1,1-dichloro-2-methylcyclopropane

A

2,3-dichlorobut-1-ene
7013-11-8

2,3-dichlorobut-1-ene

B

chloroprene
126-99-8

chloroprene

C

1,2-dichloro-2-butene
13602-13-6

1,2-dichloro-2-butene

Conditions
ConditionsYield
at 500℃;
chloroethylene
75-01-4

chloroethylene

A

3-buten-1-yne
689-97-4

3-buten-1-yne

B

methylene chloride
74-87-3

methylene chloride

C

methane
34557-54-5

methane

D

ethene
74-85-1

ethene

E

chloroprene
126-99-8

chloroprene

F

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
at 601℃; for 0.000833333h; Product distribution; Kinetics; Rate constant; other temperatures, activation energy;
3,4-dichlorobut-1-ene
310447-99-5, 310448-01-2

3,4-dichlorobut-1-ene

A

3-buten-1-yne
689-97-4

3-buten-1-yne

B

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With potassium hydroxide In ethylene glycol at 170℃; for 0.5h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
3,4-dichlorobut-1-ene
310447-99-5, 310448-01-2

3,4-dichlorobut-1-ene

A

1-chloroprene
627-22-5

1-chloroprene

B

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With sodium hydroxide In water for 7h; Heating;
(2-chloro-3-butenyl)phenylselenium dichloride
109391-96-0

(2-chloro-3-butenyl)phenylselenium dichloride

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With sodium hydrogencarbonate In chloroform-d1 for 2h;
buta-1,3-diene
106-99-0

buta-1,3-diene

A

1,4-dichloro-2-butene
764-41-0

1,4-dichloro-2-butene

B

meso-1,2,3,4-tetrachlorobutane
28507-96-2

meso-1,2,3,4-tetrachlorobutane

racem.-1,2,3,4-Tetrachlorbutan
3405-32-1, 28507-96-2, 52134-24-4

racem.-1,2,3,4-Tetrachlorbutan

D

3,4-dichlorobut-1-ene
310447-99-5, 310448-01-2

3,4-dichlorobut-1-ene

E

1-chloro-1E,3-butadiene
16503-25-6

1-chloro-1E,3-butadiene

F

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
With chlorine; ethyltriphenylphosphonium bromide In tetrachloromethane at 40 - 120℃; Product distribution; effect of the nature and amount of catalyst, reagent ratio;
1,2-dichloro-ethane
107-06-2

1,2-dichloro-ethane

A

ethene
74-85-1

ethene

B

chloroprene
126-99-8

chloroprene

C

acetylene
74-86-2

acetylene

Conditions
ConditionsYield
at 346.9 - 476.9℃; Product distribution; Kinetics; Thermodynamic data; Irradiation; also with addition of HCl, vinyl chloride; E(activ.);
1.2-dichloro-butene-(2)

1.2-dichloro-butene-(2)

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
at 530℃; Leiten durch ein Quarzrohr;
hydrogenchloride
7647-01-0

hydrogenchloride

4-chloro-1,2-butadiene
25790-55-0

4-chloro-1,2-butadiene

chloroprene
126-99-8

chloroprene

Conditions
ConditionsYield
Isomerisierung;
Isomerisierung;
dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

chloroprene
126-99-8

chloroprene

4-chloro-cyclohexa-1,4-diene-1,2-dicarboxylic acid dimethyl ester
99070-89-0

4-chloro-cyclohexa-1,4-diene-1,2-dicarboxylic acid dimethyl ester

Conditions
ConditionsYield
100%
[(dimethylphenylsilyl)methyl]magnesium chloride
107735-20-6

[(dimethylphenylsilyl)methyl]magnesium chloride

chloroprene
126-99-8

chloroprene

Dimethyl-(2-methylene-but-3-enyl)-phenyl-silane
187800-99-3

Dimethyl-(2-methylene-but-3-enyl)-phenyl-silane

Conditions
ConditionsYield
With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In diethyl ether for 5h; Heating;97%
phenyldimethylsilyl chloride
768-33-2

phenyldimethylsilyl chloride

chloroprene
126-99-8

chloroprene

(buta-1,3-dien-2-yl)dimethyl(phenyl)silane
103223-44-5

(buta-1,3-dien-2-yl)dimethyl(phenyl)silane

Conditions
ConditionsYield
Stage #1: chloroprene With magnesium; zinc(II) chloride In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene; ethylene dibromide for 1.5h; Reflux; Inert atmosphere;
Stage #2: phenyldimethylsilyl chloride In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene; ethylene dibromide at 20℃; for 1h; Reflux; Inert atmosphere;
Stage #3: With hydrogenchloride In tetrahydrofuran; o-xylene; water; ethylene dibromide Inert atmosphere;
97%
Stage #1: chloroprene With magnesium; ethylene dibromide; zinc(II) chloride In tetrahydrofuran for 1.66667h; Heating / reflux;
Stage #2: phenyldimethylsilyl chloride In tetrahydrofuran at 20℃; for 1h; Heating / reflux;
96.8%
Stage #1: chloroprene With magnesium; ethylene dibromide; zinc(II) chloride In tetrahydrofuran; xylenes for 1.25h; Reflux;
Stage #2: phenyldimethylsilyl chloride In tetrahydrofuran; xylenes for 1h; Reflux;
96.8%
With magnesium In tetrahydrofuran Reflux; Inert atmosphere;
α-(phenylsulfonyl)maleic anhydride
120789-76-6

α-(phenylsulfonyl)maleic anhydride

chloroprene
126-99-8

chloroprene

α-(phenylsulfonyl)maleic anhydride-chloroprene adduct
120789-80-2

α-(phenylsulfonyl)maleic anhydride-chloroprene adduct

Conditions
ConditionsYield
In acetone at 28℃; for 12h;95%
In acetone at 28℃; Rate constant;
(1,3-dioxan-2-yl)ethylmagnesium bromide

(1,3-dioxan-2-yl)ethylmagnesium bromide

chloroprene
126-99-8

chloroprene

2-(3-methylenepent-4-en-1-yl)-1,3-dioxane

2-(3-methylenepent-4-en-1-yl)-1,3-dioxane

Conditions
ConditionsYield
With iron(III)-acetylacetonate In tetrahydrofuran; 1-methyl-pyrrolidin-2-one at 30℃; for 0.5h; Inert atmosphere;95%
N-sulfinyl-p-toluenesulfonamide
4104-47-6

N-sulfinyl-p-toluenesulfonamide

chloroprene
126-99-8

chloroprene

5-chloro-2-(toluene-4-sulfonyl)-3,6-dihydro-2H-[1,2]thiazine 1-oxide
39597-96-1

5-chloro-2-(toluene-4-sulfonyl)-3,6-dihydro-2H-[1,2]thiazine 1-oxide

Conditions
ConditionsYield
In toluene at 25℃;94%
methyl-malonic acid dimethylester
609-02-9

methyl-malonic acid dimethylester

chloroprene
126-99-8

chloroprene

dimethyl 2-(buta-2,3-dienyl)-2-methylpropane-1,3-dioate

dimethyl 2-(buta-2,3-dienyl)-2-methylpropane-1,3-dioate

Conditions
ConditionsYield
With sodium methylate; bis[2-(diphenylphosphino)phenyl] ether; tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran for 3h; Heating;94%
chloroprene
126-99-8

chloroprene

diphenylphosphane
829-85-6

diphenylphosphane

1,4-bis(diphenylphosphino)-2-butene
73892-35-0

1,4-bis(diphenylphosphino)-2-butene

Conditions
ConditionsYield
With potassium hydroxide In water; dimethyl sulfoxide at 20 - 25℃; for 1h;93%
(6-chlorohexyl)bis(trimethylsilyl)amine

(6-chlorohexyl)bis(trimethylsilyl)amine

chloroprene
126-99-8

chloroprene

(7-methylenenon-8-enyl)-bis(trimethylsilyl)amine

(7-methylenenon-8-enyl)-bis(trimethylsilyl)amine

Conditions
ConditionsYield
Stage #1: (6-chlorohexyl)bis(trimethylsilyl)amine With magnesium; ethylene dibromide In tetrahydrofuran at 50℃; for 4h; Inert atmosphere;
Stage #2: chloroprene With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In tetrahydrofuran at 50℃; for 2h; Inert atmosphere;
93%
(6-chlorohexyl)-(phenyl)-trimethylsilylamine

(6-chlorohexyl)-(phenyl)-trimethylsilylamine

chloroprene
126-99-8

chloroprene

(7-methylenenon-8-enyl)aniline

(7-methylenenon-8-enyl)aniline

Conditions
ConditionsYield
Stage #1: (6-chlorohexyl)-(phenyl)-trimethylsilylamine With magnesium; ethylene dibromide In tetrahydrofuran at 50℃; for 2h; Inert atmosphere;
Stage #2: chloroprene With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In tetrahydrofuran at 50℃; for 1h; Inert atmosphere;
93%
chloroprene
126-99-8

chloroprene

1,4-dibromo-2-chloro-2-butene
22539-47-5

1,4-dibromo-2-chloro-2-butene

Conditions
ConditionsYield
With bromine In chloroform at 0℃; for 1h;92%
With chloroform; bromine at 0 - 5℃;
With bromine
chloroprene
126-99-8

chloroprene

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

dimethyl 2,2-bis(buta-2,3-dienyl)propane-1,3-dioate
359763-21-6

dimethyl 2,2-bis(buta-2,3-dienyl)propane-1,3-dioate

Conditions
ConditionsYield
With sodium methylate; bis[2-(diphenylphosphino)phenyl] ether; tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran Heating;91%
dimethyl allylmalonate
40637-56-7

dimethyl allylmalonate

chloroprene
126-99-8

chloroprene

dimethyl 2-(2-propenyl)-2-(buta-2,3-dienyl)propane-1,3-dioate
115246-76-9

dimethyl 2-(2-propenyl)-2-(buta-2,3-dienyl)propane-1,3-dioate

Conditions
ConditionsYield
With sodium hydride; bis[2-(diphenylphosphino)phenyl] ether; tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran Heating;89%
isobutyraldehyde
78-84-2

isobutyraldehyde

chloroprene
126-99-8

chloroprene

2-Methyl-4-methylidenehex-5-en-3-ol
59163-78-9

2-Methyl-4-methylidenehex-5-en-3-ol

Conditions
ConditionsYield
With lithium 4,4′-di(tert-butyl)biphenyl In tetrahydrofuran 1.) -78 deg C, 15 min, 2.) -78 deg C, 30 min;88%
With lithium 4,4′-di(tert-butyl)biphenyl 1.) THF, -78 deg C, 2.) -78 deg C; Multistep reaction;
(5-chlorpentyl)bis(trimethylsilyl)amine

(5-chlorpentyl)bis(trimethylsilyl)amine

chloroprene
126-99-8

chloroprene

(6-methyleneoct-7-enyl)-bis(trimethylsilyl)amine

(6-methyleneoct-7-enyl)-bis(trimethylsilyl)amine

Conditions
ConditionsYield
Stage #1: (5-chlorpentyl)bis(trimethylsilyl)amine With magnesium; ethylene dibromide In tetrahydrofuran at 50℃; for 3.5h; Inert atmosphere;
Stage #2: chloroprene With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In tetrahydrofuran at 50℃; for 2h; Inert atmosphere;
88%
chloroprene
126-99-8

chloroprene

Cyclopropylacetylene
6746-94-7

Cyclopropylacetylene

Conditions
ConditionsYield
Stage #1: chloroprene With 5,10,15,20-tetraphenyl porphyrin iron In acetone at 0℃; for 0.5h; Inert atmosphere;
Stage #2: diazomethane In acetone Reagent/catalyst; Solvent; Temperature;
87.1%
n-decyl magnesium bromide
17049-50-2

n-decyl magnesium bromide

chloroprene
126-99-8

chloroprene

2-decylbuta-1,3-diene
55235-83-1

2-decylbuta-1,3-diene

Conditions
ConditionsYield
With iron(III)-acetylacetonate In tetrahydrofuran; 1-methyl-pyrrolidin-2-one at 30℃; for 0.5h; Inert atmosphere;87%
methyl 3,3,3-trifluoropyruvate
13089-11-7

methyl 3,3,3-trifluoropyruvate

chloroprene
126-99-8

chloroprene

6-trifluoromethyl-6-methoxycarbonyl-4-chloro-5,6-dihydro-2H-pyran
134224-66-1

6-trifluoromethyl-6-methoxycarbonyl-4-chloro-5,6-dihydro-2H-pyran

Conditions
ConditionsYield
In chloroform for 8h; Heating;86%
maleic anhydride
108-31-6

maleic anhydride

chloroprene
126-99-8

chloroprene

4-chloro-1,2,3,6-tetrahydrophthalic anhydride
14737-08-7

4-chloro-1,2,3,6-tetrahydrophthalic anhydride

Conditions
ConditionsYield
In toluene; xylene at 55℃; for 3.5h; Heating / reflux;85%
maleic anhydride
108-31-6

maleic anhydride

chloroprene
126-99-8

chloroprene

4-chlorotetrahydrophthalic anhydride

4-chlorotetrahydrophthalic anhydride

Conditions
ConditionsYield
In 5,5-dimethyl-1,3-cyclohexadiene; toluene85%
ethylenebis(triphenylphosphine)platinum(0)
12120-15-9

ethylenebis(triphenylphosphine)platinum(0)

chloroprene
126-99-8

chloroprene

(2-η1-butadienyl)chlorotriphenylphosphine platinum(II)

(2-η1-butadienyl)chlorotriphenylphosphine platinum(II)

Conditions
ConditionsYield
In chloroform 2 hours at room temperature;85%
In tetrahydrofuran byproducts: cis-{PtCl2(PPh3)2}; one day at room temperature;60%
In chloroform N2; stirring at room temperature for 2 h;; removal of the volatiles in vacuo; extraction of the residue into CH2Cl2; filtration through Celite; concentration; precipitation upon addn. of diethyl ether; recrystn. from CH2Cl2/diethyl ether; elem. anal.;;60%
(4-chlorobutyl)bis(trimethylsilyl)amine

(4-chlorobutyl)bis(trimethylsilyl)amine

chloroprene
126-99-8

chloroprene

(5-methylenehept-6-enyl)-bis(trimethylsilyl)amine

(5-methylenehept-6-enyl)-bis(trimethylsilyl)amine

Conditions
ConditionsYield
Stage #1: (4-chlorobutyl)bis(trimethylsilyl)amine With magnesium; ethylene dibromide In tetrahydrofuran at 50℃; for 3h; Inert atmosphere;
Stage #2: chloroprene With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In tetrahydrofuran at 50℃; for 2h; Inert atmosphere;
85%
chlorotriethoxysilane
4667-99-6

chlorotriethoxysilane

chloroprene
126-99-8

chloroprene

(buta-1,3-dien-2-yl)triethoxysilane
124597-49-5

(buta-1,3-dien-2-yl)triethoxysilane

Conditions
ConditionsYield
Stage #1: chloroprene With 1,1-Dibromoethane; magnesium; zinc(II) chloride In tetrahydrofuran; xylene for 0.75h; Heating;
Stage #2: chlorotriethoxysilane In tetrahydrofuran for 1h; Heating; Further stages.;
84.7%
Stage #1: chloroprene With magnesium; ethylene dibromide; zinc(II) chloride In tetrahydrofuran; xylenes for 1.33333h; Heating / reflux;
Stage #2: chlorotriethoxysilane In tetrahydrofuran; xylenes at 20℃; for 1h; Heating / reflux;
84.7%
Stage #1: chloroprene With magnesium; ethylene dibromide; zinc(II) chloride In tetrahydrofuran; xylenes for 1.25h; Reflux;
Stage #2: chlorotriethoxysilane In tetrahydrofuran; xylenes for 1h; Reflux;
2-thienyl lithium
2786-07-4

2-thienyl lithium

dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

chloroprene
126-99-8

chloroprene

2-(buta-1,3-dien-2-yldimethylsilyl)thiophene

2-(buta-1,3-dien-2-yldimethylsilyl)thiophene

Conditions
ConditionsYield
Stage #1: chloroprene With magnesium; ethylene dibromide; zinc(II) chloride In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene for 1.25h; Inert atmosphere; Reflux;
Stage #2: dimethylsilicon dichloride In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene at 20℃; for 2h; Grignard Reaction; Inert atmosphere;
Stage #3: 2-thienyl lithium In tetrahydrofuran; 5,5-dimethyl-1,3-cyclohexadiene; hexane at -78℃; Inert atmosphere;
84%
[1,1'-bis(diphenylphosphino)ferrocene](η(2)-ethene)platinum

[1,1'-bis(diphenylphosphino)ferrocene](η(2)-ethene)platinum

chloroprene
126-99-8

chloroprene

trans-{PtCl{σ-C(CH2)C(H)=CH2}diphenylphosphinoferrocene}

trans-{PtCl{σ-C(CH2)C(H)=CH2}diphenylphosphinoferrocene}

Conditions
ConditionsYield
In chloroform N2; stirring at room temperature for 2 h;; removal of the volatiles in vacuo; extraction of the residue into CH2Cl2; filtration through Celite; concentration; precipitation upon addn. of diethyl ether; recrystn. from CH2Cl2/diethyl ether; elem. anal.;;81%
chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

chloroprene
126-99-8

chloroprene

2-(2-methylene-3-butenyl)-2-vinylmalonic acid diethyl ester
350242-88-5

2-(2-methylene-3-butenyl)-2-vinylmalonic acid diethyl ester

Conditions
ConditionsYield
Stage #1: chloroprene With magnesium; ethylene dibromide; zinc(II) chloride In tetrahydrofuran for 1h; Heating;
Stage #2: chloroformic acid ethyl ester In tetrahydrofuran at -10℃; for 2h; Further stages.;
80%
anthracene-1,4,9,10-tetraone
1709-63-3

anthracene-1,4,9,10-tetraone

chloroprene
126-99-8

chloroprene

2-chloro-1,4,4a,12a-tetrahydronaphthacene-5,6,11,12-tetraone
71639-80-0

2-chloro-1,4,4a,12a-tetrahydronaphthacene-5,6,11,12-tetraone

Conditions
ConditionsYield
In xylene; benzene for 4h; Heating;79%
N-(3-chloropropyl)-N-phenylaniline
5586-90-3

N-(3-chloropropyl)-N-phenylaniline

chloroprene
126-99-8

chloroprene

(4-methylenehex-5-enyl)phenylaniline

(4-methylenehex-5-enyl)phenylaniline

Conditions
ConditionsYield
Stage #1: N-(3-chloropropyl)-N-phenylaniline With magnesium; ethylene dibromide In tetrahydrofuran at 50℃; for 3h; Inert atmosphere;
Stage #2: chloroprene With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In tetrahydrofuran at 50℃; for 2h; Inert atmosphere;
79%
N-phenylbenzohydrazonoyl chloride
15424-14-3

N-phenylbenzohydrazonoyl chloride

chloroprene
126-99-8

chloroprene

A

1,3-diphenyl-5-vinyl-1H-pyrazole
87995-98-0

1,3-diphenyl-5-vinyl-1H-pyrazole

B

5-(1-Chlorvinyl)-1,3-diphenyl-2-pyrazolin
87995-88-8

5-(1-Chlorvinyl)-1,3-diphenyl-2-pyrazolin

Conditions
ConditionsYield
With triethylamine; hydroquinone In benzene at 40℃; for 24h; Yield given. Title compound not separated from byproducts;A n/a
B 78%
With triethylamine; hydroquinone In benzene at 40℃; for 24h; Yields of byproduct given;A n/a
B 78%
With Allyl acetate; triethylamine In benzene at 40℃; Kinetics; competition const., rel. velocity const. further reagent: ethyl crotonate;
chloroprene
126-99-8

chloroprene

potassium 1,3-dienyl trifluoroborate

potassium 1,3-dienyl trifluoroborate

Conditions
ConditionsYield
Stage #1: chloroprene With magnesium; ethylene dibromide; zinc(II) chloride In tetrahydrofuran for 0.5h; Heating;
Stage #2: With Trimethyl borate In tetrahydrofuran at -60 - 20℃;
Stage #3: With potassium hydrogen bifluoride In tetrahydrofuran at 20℃; for 0.5h;
78%
Stage #1: chloroprene With magnesium; zinc(II) chloride In tetrahydrofuran Inert atmosphere;
Stage #2: With Trimethyl borate In tetrahydrofuran; toluene Inert atmosphere;
Stage #3: With potassium hydrogenfluoride In water
78%

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