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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 quantiti

Isoprene TOP supplier in China

Cas:78-79-5

Min.Order:1 Kilogram

FOB Price: $23.0

Type:Lab/Research institutions

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Henan Allgreen Chemical Co.,Ltd

he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:Whit

Isoprene (stabilized with TBC)

Cas:78-79-5

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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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

Isoprene 78-79-5

Cas:78-79-5

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Trading Company

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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

Isoprene

Cas:78-79-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Ality Chemical Corporation

English name of Isoprene Chinese alias 2 - methyl-1,3 - butadiene CAS RN 78-79-5 EINECS No. 201-143-3 Molecular formula C5H8 Molecular Weight 68.11 Physico-chemical nature of traits volatile colorless, oily liqui

Factory Supply Isoprene

Cas:78-79-5

Min.Order:1 Gram

Negotiable

Type:Other

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Henan Sinotech Import&Export Corporation

CAS No. 78-79-5 Other Names isoprene MF C5H8 EINECS No. 201-143-3 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Pac

Isoprene

Cas:78-79-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

Isoprene acyclic hydrocarbons

Cas:78-79-5

Min.Order:1 Kilogram

FOB Price: $3.0 / 5.0

Type:Trading Company

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Changchun Artel lmport and Export trade company

Superiority We can customize and synthesize products that other suppliers may not be able to provide. Advantage cof, mof ligand manufacturer Product Detail

Manufacturer low price Isoprene, CAS78-79-5, C5H8

Cas:78-79-5

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

inquiry

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.:78-79-5

Cas:78-79-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:White or off-white Solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Organic synthesis Transportation:Common products:Sea/Air/Courier Dangerous Che

Isoprene

Cas:78-79-5

Min.Order:100 Metric Ton

Negotiable

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

Isoprene

Cas:78-79-5

Min.Order:0 Metric Ton

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

Isoprene

Cas:78-79-5

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

Isoprene

Cas:78-79-5

Min.Order:4 Kilogram

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 Isoprene

Cas:78-79-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Isoprene Chemical Properties Melting point 323-329 °C(lit.) Boiling point 34 °C(lit.) density 0.681 g/mL at 25 °C(lit.)

78-79-5 Isoprene

Cas:78-79-5

Min.Order:1 Metric Ton

FOB Price: $20.0

Type:Lab/Research institutions

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Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

High purity Isoprene

Cas:78-79-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

Isoprene

Cas:78-79-5

Min.Order:0

Negotiable

Type:Trading Company

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Hangzhou Zhongqi chem Co.,Ltd.

Chinese supplier top quality Isoprene 78-79-5 with factory price Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to vario

Chinese supplier top quality Isoprene 78-79-5 with factory price

Cas:78-79-5

Min.Order:1 Gram

Negotiable

Type:Other

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:light yellow liquid Storage:sealed and stored Package:25kg/drum, or as per your request. Application:Synthetic rubber monomers. Transportation: as per your request. Port:Shanghai, Ni

Isoprene

Cas:78-79-5

Min.Order:1 Gram

Negotiable

Type:Trading Company

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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

Isoprene

Cas:78-79-5

Min.Order:0

Negotiable

Type:Other

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

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

factory supply CAS 78-79-5 with competitive price

Cas:78-79-5

Min.Order:1 Kilogram

FOB Price: $112.0

Type:Trading Company

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

Isoprene

Cas:78-79-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

low price and high purityAppearance:solid or liquid Storage:in sealed air resistant place Package:As customer require Application:Pharma;Industry;Agricultural Transportation:by sea or by airplane Port:any port in China

Isoprene, 99%, stabilized 78-79-5

Cas:78-79-5

Min.Order:0

Negotiable

Type:Trading Company

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Beantown Chemical

in stock Application:78-79-5

Isoprene, 99%, stabilized

Cas:78-79-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

Isoprene Basic information Product Name: Isoprene Synonyms:

78-79-5 C5H8 Isoprene

Cas:78-79-5

Min.Order:100 Gram

Negotiable

Type:Trading Company

inquiry

Shaanxi Mingqi Chemical Co., Ltd

Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Our advantages:1, High quality with competitive price:1) Standard:BP/USP/EP/Enterprise standard2) All Purity≥99%4) We are manufactureAp

Isoprene manufacturer

Cas:78-79-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zhengzhou Kingorgchem Chemical Technology Co., Ltd.

Zhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i

National Research Platform ISO 9001 78-79-5

Cas:78-79-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen BaiFuchem Co.,Ltd

BaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art

High quality Isoprene

Cas:78-79-5

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

HuBei Ipure Biotech CO.,ltd

HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl

Isoprene TOP supplier in China CAS NO.78-79-5

Cas:78-79-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

Shandong Luning Pharmaceutical Co., Ltd

Shandong Luning Pharmaceutical Co., Ltd. was established in 2012. Covering an area of 80000 square meters, the company has solid preparation workshop, synthetic raw material workshop, drug R & D and testing center and complete supporting facili

Isoprene

Cas:78-79-5

Min.Order:1 Metric Ton

FOB Price: $8000.0 / 10000.0

Type:Trading Company

inquiry

Synthetic route

4,4-dimethyl-1,3-dioxane
766-15-4

4,4-dimethyl-1,3-dioxane

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With supported heteropolyacid In tert-butyl alcohol at 160℃; under 71257.1 Torr; Pressure; Temperature;98.6%
With water at 250℃; ueber einen phosphorsaeurehaltigen Katalysator;unter Zusatz von Heptandampf;
With water unter Zusatz von Heptandampf;
3-methyl-2-buten-1-ol
556-82-1

3-methyl-2-buten-1-ol

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With zeolite H-ZSM-5 In benzene at 90℃; for 10h;98%
With graphite oxide; zeolite In chloroform-d1 at 150℃; for 0.5h; Sealed tube;
3-benzyloxy-2-methyl-1-butene
91495-68-0

3-benzyloxy-2-methyl-1-butene

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
at 750℃; under 0.01 Torr; deprotection;96%
n-butyl isocyanide
111-36-4

n-butyl isocyanide

1,3-dimethyl-2,5-dihydro-1H-phosphole
15450-84-7

1,3-dimethyl-2,5-dihydro-1H-phosphole

A

1,4-dibutyl-2-methyl-1,4,2-diazaphospholidin-3,5-dione
1173091-18-3

1,4-dibutyl-2-methyl-1,4,2-diazaphospholidin-3,5-dione

B

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
at 20℃; for 16h;A 94%
B n/a
2-methyl-1-buten-3-yne
78-80-8

2-methyl-1-buten-3-yne

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With piperazine; hydrogen In ethanol at 80℃; under 4500.45 Torr; for 24h;92%
With ethanol; iron catalyst at 100℃; under 51485.6 Torr; Hydrogenation;
With zinc copper; water at 100℃; under 51485.6 Torr; Hydrogenation;
3,4-epithia-3-methyl-1-butene

3,4-epithia-3-methyl-1-butene

A

3,6-dihydro-4-methyl-1,2-dithiin
18655-86-2

3,6-dihydro-4-methyl-1,2-dithiin

B

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With pentacarbonyl(acetonitrile)tungsten In dichloromethane-d2 at 25℃; for 72h;A 85%
B n/a
With pentacarbonyl(acetonitrile)tungsten In dichloromethane-d2 for 72h; Ambient temperature;A 85 % Spectr.
B n/a
5-chloro-4-(3-methyl-2-butenyloxy)-2-methylthiopyrimidine
587834-60-4

5-chloro-4-(3-methyl-2-butenyloxy)-2-methylthiopyrimidine

A

2-methylthio-5-chloropyrimidine
38275-42-2

2-methylthio-5-chloropyrimidine

B

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In toluene for 0.8h; Carroll reaction; Electrochemical reaction;A 85%
B n/a
3,4-epithia-2-methyl-1-butene

3,4-epithia-2-methyl-1-butene

A

3,6-dihydro-4-methyl-1,2-dithiin
18655-86-2

3,6-dihydro-4-methyl-1,2-dithiin

B

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With pentacarbonyl(acetonitrile)tungsten In dichloromethane-d2 at 25℃; for 24h;A 84%
B n/a
With pentacarbonyl(acetonitrile)tungsten In dichloromethane-d2 for 24h; Ambient temperature;A 84 % Spectr.
B n/a
6-O-allyl-1,2-O-isopropylidene-3-O-methallyl-5-O-prenyl-α-D-glucofuranose
753488-56-1

6-O-allyl-1,2-O-isopropylidene-3-O-methallyl-5-O-prenyl-α-D-glucofuranose

A

isoprene
78-79-5

isoprene

B

6-O-allyl-1,2-O-isopropylidene-3-O-methallyl-α-D-glucofuranose
753488-58-3

6-O-allyl-1,2-O-isopropylidene-3-O-methallyl-α-D-glucofuranose

Conditions
ConditionsYield
With (PhSO2)2 In dichloromethane-d2; toluene at 80℃; for 28h;A n/a
B 82%
2-Methylbutyraldehyde
96-17-3, 57456-98-1

2-Methylbutyraldehyde

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With Na-BPO4/ZrP at 350 - 600℃; Temperature; Reagent/catalyst;78%
With boron(III) phosphate at 51.85℃; Product distribution; Further Variations:; Reagents; Temperatures; Reaction partners; time; Dehydration;
(E)-5-[N-(3-methylbut-2-enyl)-N-(toluene-4-sulfonyl)amino]pent-2-enoic acid methyl ester
867039-46-1

(E)-5-[N-(3-methylbut-2-enyl)-N-(toluene-4-sulfonyl)amino]pent-2-enoic acid methyl ester

A

(E)-5-(toluene-4-sulfonylamino)pent-2-enoic acid methyl ester

(E)-5-(toluene-4-sulfonylamino)pent-2-enoic acid methyl ester

B

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
iron(III) chloride In dichloromethane at 20℃; for 7h;A 78%
B n/a
formaldehyd
50-00-0

formaldehyd

tert-butyl alcohol
75-65-0

tert-butyl alcohol

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With phosphoric acid; oxalic acid; copper(II) sulfate In water under 9000.9 Torr; Reagent/catalyst; Pressure; Heating; Inert atmosphere;74.21%
4-iodo-2-methyl-but-1-ene
53750-52-0

4-iodo-2-methyl-but-1-ene

(E)-1-iodo-1-octene
42599-17-7

(E)-1-iodo-1-octene

A

oct-1-ene
111-66-0

oct-1-ene

B

(E)-2-Methyl-dodeca-1,5-diene

(E)-2-Methyl-dodeca-1,5-diene

C

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With tert.-butyl lithium In tetrahydrofuran; pentane 1) -78 deg C, 5 h; 2) 23 deg C, 18 h;A 74%
B 8%
C 37%
formaldehyd
50-00-0

formaldehyd

isobutene
115-11-7

isobutene

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
In water at 300℃; under 760.051 Torr; Catalytic behavior; Reagent/catalyst; Flow reactor;73.7%
In water at 350℃; under 760.051 Torr; Catalytic behavior; Reagent/catalyst; Pressure; Temperature; Inert atmosphere;70%
With ammonium molybdate tetrahydrate and phosphoric acid supported on silica In water at 300℃; Reagent/catalyst;44.76%
2-methyl-3-buten-2-ol
115-18-4

2-methyl-3-buten-2-ol

A

3-Fluoro-3-methyl-but-1-ene
66213-80-7

3-Fluoro-3-methyl-but-1-ene

B

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With 1-fluoro-2-methyl-N,N-diisopropyl-propenylamine In chloroform at 20℃;A 71%
B 16%
formaldehyd
50-00-0

formaldehyd

isobutene
115-11-7

isobutene

tert-butyl alcohol
75-65-0

tert-butyl alcohol

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With phosphoric acid; water at 175 - 178℃; under 11401.1 Torr; for 24 - 32h; Product distribution / selectivity; Industry scale;67.1%
4-mesyloxy-2-methylbutene
80352-66-5

4-mesyloxy-2-methylbutene

A

methanesulfonic acid
75-75-2

methanesulfonic acid

B

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
at 310℃; under 115 Torr; for 0.133333h; Rate constant; Thermodynamic data; var. of initial pressure, temp., Ea, with addition of propene, toluene;A n/a
B 62.3%
3,3-Dimethylcyclopropen
3907-06-0

3,3-Dimethylcyclopropen

A

3-methyl-but-1-yne
598-23-2

3-methyl-but-1-yne

B

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
at 555.9℃; Product distribution; isomerization at various degrees of compression;A 59%
B 17%
at 204.6℃; under 21 Torr; for 2h; Kinetics; Product distribution; Thermodynamic data; Ea; further times; further temperatures;
formaldehyd
50-00-0

formaldehyd

isobutene
115-11-7

isobutene

A

4-methyl-3,6-dihydro-2H-pyran
16302-35-5

4-methyl-3,6-dihydro-2H-pyran

B

4-methyl-3,4-dihydro-2H-pyran
2270-61-3

4-methyl-3,4-dihydro-2H-pyran

C

3-methyl-butane-1,3-diol
2568-33-4

3-methyl-butane-1,3-diol

D

methylcyclopentadiene
96-39-9

methylcyclopentadiene

E

3,4,4-trimethylcyclohexene
219811-94-6

3,4,4-trimethylcyclohexene

F

isovaleraldehyde
590-86-3

isovaleraldehyde

G

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
With niobium phosphate at 299.84℃; for 3.33333h; Temperature;A n/a
B n/a
C n/a
D n/a
E n/a
F n/a
G 57%
2-<(-3-methyl-2-butenyl)oxy>tropone
50904-09-1

2-<(-3-methyl-2-butenyl)oxy>tropone

A

3-(1,1-dimethyl-2-propenyl)tropolone
50904-13-7

3-(1,1-dimethyl-2-propenyl)tropolone

B

isoprene
78-79-5

isoprene

Conditions
ConditionsYield
at 140℃; for 2h; pyrolysis;A 50%
B 10 % Chromat.
With pyrolysis at 140℃; for 2h; Mechanism; other alkenyloxytropones;A 50%
B 10 % Chromat.
dichlorocarbene
1605-72-7

dichlorocarbene

isoprene
78-79-5

isoprene

1-vinyl-1-methyl-2,2-dichlorocyclopropane
5296-49-1

1-vinyl-1-methyl-2,2-dichlorocyclopropane

Conditions
ConditionsYield
100%
trifluoromethyldiiodophosphine
421-59-0

trifluoromethyldiiodophosphine

isoprene
78-79-5

isoprene

4-Methyl-1,2-bis-trifluoromethyl-1,2,3,6-tetrahydro-[1,2]diphosphinine
128538-08-9

4-Methyl-1,2-bis-trifluoromethyl-1,2,3,6-tetrahydro-[1,2]diphosphinine

Conditions
ConditionsYield
With tin(ll) chloride In tetrahydrofuran100%
4-Phenyl-1,2,4-triazolidine-3,5-dione
4233-33-4

4-Phenyl-1,2,4-triazolidine-3,5-dione

isoprene
78-79-5

isoprene

3-methyl-8-phenyl-1,6,8-triazabicyclo[4.3.0]non-3-ene-7,9-dione
10316-49-1

3-methyl-8-phenyl-1,6,8-triazabicyclo[4.3.0]non-3-ene-7,9-dione

Conditions
ConditionsYield
In dichloromethane at -10℃;100%
1,6-bis(3,5-dioxo-1,2,4-triazoline4-yl)hexane
38727-98-9

1,6-bis(3,5-dioxo-1,2,4-triazoline4-yl)hexane

isoprene
78-79-5

isoprene

C20H28N6O4

C20H28N6O4

Conditions
ConditionsYield
In dichloromethane at -10℃;100%
isoprene
78-79-5

isoprene

polyisoprene

polyisoprene

Conditions
ConditionsYield
C48H58NOP2Si2Y; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In chlorobenzene at 50℃; for 0.166667h; Product distribution / selectivity;100%
C48H58NOP2Si2Y; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In chlorobenzene at 20℃; for 0.333333h; Product distribution / selectivity;100%
C48H58NOP2Si2Y; N,N'-dimethylaniliniumtetrakis(pentafluorophenyl)borate In chlorobenzene at 20℃; for 1h; Product distribution / selectivity;100%
styrene
292638-84-7

styrene

isoprene
78-79-5

isoprene

polymer, Mn 2.153E4, Mw/Mn 1.4; monomer(s): isoprene, content 72 percent; styrene

polymer, Mn 2.153E4, Mw/Mn 1.4; monomer(s): isoprene, content 72 percent; styrene

Conditions
ConditionsYield
With supramolecular complex of potassium with 18-crown-6 In tetrahydrofuran at 10℃; for 0.0833333h;100%
styrene
292638-84-7

styrene

isoprene
78-79-5

isoprene

polymer, Mn 2.157E4, Mw/Mn 1.6; monomer(s): isoprene, content 52 percent; styrene

polymer, Mn 2.157E4, Mw/Mn 1.6; monomer(s): isoprene, content 52 percent; styrene

Conditions
ConditionsYield
With supramolecular complex of potassium with 18-crown-6 In tetrahydrofuran at 10℃; for 0.0833333h;100%
styrene
292638-84-7

styrene

isoprene
78-79-5

isoprene

polymer, Mn 3.814E4, Mw/Mn 1.5; monomer(s): isoprene, content 44 percent; styrene

polymer, Mn 3.814E4, Mw/Mn 1.5; monomer(s): isoprene, content 44 percent; styrene

Conditions
ConditionsYield
With supramolecular complex of potassium with 18-crown-6 In tetrahydrofuran at 10℃; for 0.0833333h;100%
styrene
292638-84-7

styrene

isoprene
78-79-5

isoprene

polymer, Mn 5.38E4, Mw/Mn 1.2; monomer(s): isoprene, content 20 percent; styrene

polymer, Mn 5.38E4, Mw/Mn 1.2; monomer(s): isoprene, content 20 percent; styrene

Conditions
ConditionsYield
With supramolecular complex of potassium with 18-crown-6 In tetrahydrofuran at 10℃; for 0.0833333h;100%
isoprene
78-79-5

isoprene

polyisoprene, Mw 112700, Mn 65300 by GPC; monomer(s): isoprene

polyisoprene, Mw 112700, Mn 65300 by GPC; monomer(s): isoprene

Conditions
ConditionsYield
With gadolinium metallocene-based catalyst; triisobutylaluminum; trityl tetrakis(pentafluorophenyl)borate In toluene at 20℃; for 1h;100%
poly(methyl methacrylate), with 3,97 3-(bromomethyl)phenyl end groups, Mn 1.24E4 Da by SEC, Mn 1.32E4 by osmometry, Mn 1.36E4 Da by NMR, Mw/Mn 1.03; monomer(s): methyl methacrylate; 1,1-bis[3-(tert-butyldimethylsilyloxymethyl)phenyl]ethylene

poly(methyl methacrylate), with 3,97 3-(bromomethyl)phenyl end groups, Mn 1.24E4 Da by SEC, Mn 1.32E4 by osmometry, Mn 1.36E4 Da by NMR, Mw/Mn 1.03; monomer(s): methyl methacrylate; 1,1-bis[3-(tert-butyldimethylsilyloxymethyl)phenyl]ethylene

isoprene
78-79-5

isoprene

poly[(methyl methacrylate)-b-isoprene], asymmetric star-branched, 5-arm, Mn 5.98E4 Da, Mw 5.61E4 Da, Mw/Mn 1.02; monomer(s): methyl methacrylate; 1,1-bis[3-(tert-butyldimethylsilyloxymethyl)phenyl]ethylene; isoprene

poly[(methyl methacrylate)-b-isoprene], asymmetric star-branched, 5-arm, Mn 5.98E4 Da, Mw 5.61E4 Da, Mw/Mn 1.02; monomer(s): methyl methacrylate; 1,1-bis[3-(tert-butyldimethylsilyloxymethyl)phenyl]ethylene; isoprene

Conditions
ConditionsYield
Stage #1: isoprene
Stage #2: poly(methyl methacrylate), with 3,97 3-(bromomethyl)phenyl end groups, Mn 1.24E4 Da by SEC, Mn 1.32E4 by osmometry, Mn 1.36E4 Da by NMR, Mw/Mn 1.03; monomer(s): methyl methacrylate; 1,1-bis[3-(tert-butyldimethylsilyloxymethyl)phenyl]ethylene In tetrahydrofuran at -78℃; for 1h;
100%
isoprene
78-79-5

isoprene

3,4-polyisoprene, Mn = 1.2E5, Mw/Mn = 1.3; monomer(s): isoprene

3,4-polyisoprene, Mn = 1.2E5, Mw/Mn = 1.3; monomer(s): isoprene

Conditions
ConditionsYield
With [Me2Si(C5Me4)(μ-PC6H11)Y(CH2SiMe3)]2; trityl tetrakis(pentafluorophenyl)borate In chlorobenzene at 25℃; for 2h;100%
isoprene
78-79-5

isoprene

polyisoprene, Mn = 0.9E5, Mw/Mn = 1.06, 66 percent 3,4-unit, 34 percent 1,4-unit; monomer(s): isoprene

polyisoprene, Mn = 0.9E5, Mw/Mn = 1.06, 66 percent 3,4-unit, 34 percent 1,4-unit; monomer(s): isoprene

Conditions
ConditionsYield
With (η5-C5Me4(SiMe3))′Y(CH2SiMe3)2(thf); trityl tetrakis(pentafluorophenyl)borate In chlorobenzene at 25℃; for 2h;100%
isoprene
78-79-5

isoprene

3,4-polyisoprene, Mn = 0.6E5, Mw/Mn = 1.3; monomer(s): isoprene

3,4-polyisoprene, Mn = 0.6E5, Mw/Mn = 1.3; monomer(s): isoprene

Conditions
ConditionsYield
With [Me2Si(C5Me4)(μ-PC6H11)Y(CH2SiMe3)]2; trityl tetrakis(pentafluorophenyl)borate In chlorobenzene at 20℃; for 2h;100%
isoprene
78-79-5

isoprene

polyisoprene, Mn 13400 Da, PDI 1.54, 97.2 percent trans-1,4-bonds, 1.4 percent cis-1,4-bonds, 1.4 percent 3,4-bonds; monomer(s): isoprene

polyisoprene, Mn 13400 Da, PDI 1.54, 97.2 percent trans-1,4-bonds, 1.4 percent cis-1,4-bonds, 1.4 percent 3,4-bonds; monomer(s): isoprene

Conditions
ConditionsYield
With (C5Me4nPr)Nd(BH4)2(THF)2; dibutylmagnesium In n-heptane; toluene at 50℃; for 20h;100%
buta-1,3-diene
106-99-0

buta-1,3-diene

isoprene
78-79-5

isoprene

poly(isoprene-block-butadiene), with 33 mol% polyisoprene and 67 mol% polybutadiene, > 99% of Z-1,4-double bonds in polyisoprene and 99% of Z-1,4-double bonds in polybutadiene, Mn 160000, Mw/Mn 1.13 by GPC; monomer(s): 1,3-butadiene; isoprene

poly(isoprene-block-butadiene), with 33 mol% polyisoprene and 67 mol% polybutadiene, > 99% of Z-1,4-double bonds in polyisoprene and 99% of Z-1,4-double bonds in polybutadiene, Mn 160000, Mw/Mn 1.13 by GPC; monomer(s): 1,3-butadiene; isoprene

Conditions
ConditionsYield
Stage #1: buta-1,3-diene With triisobutylaluminum; trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based yttrium complex In toluene at -10 - 25℃;
Stage #2: isoprene In toluene at 20℃; for 0.333333h; Further stages.;
100%
isoprene
78-79-5

isoprene

polyisoprene, 99.6:0.4 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 1.3E5, Mw/Mn 1.06 by GPC; monomer(s): isoprene

polyisoprene, 99.6:0.4 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 1.3E5, Mw/Mn 1.06 by GPC; monomer(s): isoprene

Conditions
ConditionsYield
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based yttrium complex In chlorobenzene at 0℃; for 3h;100%
isoprene
78-79-5

isoprene

polyisoprene, 98.5:1.5 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 8E4, Mw/Mn 1.05 by GPC; monomer(s): isoprene

polyisoprene, 98.5:1.5 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 8E4, Mw/Mn 1.05 by GPC; monomer(s): isoprene

Conditions
ConditionsYield
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based yttrium complex In chlorobenzene at 80℃; for 0.0833333h;100%
isoprene
78-79-5

isoprene

polyisoprene, 96.5:3.5 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 1.6E5, Mw/Mn 1.10 by GPC; monomer(s): isoprene

polyisoprene, 96.5:3.5 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 1.6E5, Mw/Mn 1.10 by GPC; monomer(s): isoprene

Conditions
ConditionsYield
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based scandium complex In chlorobenzene at 20℃; for 1h;100%
isoprene
78-79-5

isoprene

polyisoprene, 99.3:0.7 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 2.3E5, Mw/Mn 1.10 by GPC; monomer(s): isoprene

polyisoprene, 99.3:0.7 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 2.3E5, Mw/Mn 1.10 by GPC; monomer(s): isoprene

Conditions
ConditionsYield
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based yttrium complex In chlorobenzene at 20℃; for 1h;100%
isoprene
78-79-5

isoprene

polyisoprene, 97.1:2.9 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 1.9E5, Mw/Mn 1.09 by GPC; monomer(s): isoprene

polyisoprene, 97.1:2.9 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 1.9E5, Mw/Mn 1.09 by GPC; monomer(s): isoprene

Conditions
ConditionsYield
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based lutetium complex In chlorobenzene at 20℃; for 1h;100%
isoprene
78-79-5

isoprene

polyisoprene, 99.3:0.7 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 1.2E5, Mw/Mn 1.07 by GPC; monomer(s): isoprene

polyisoprene, 99.3:0.7 ratio of Z-1,4- to 3,4-double bonds respectively, Mn 1.2E5, Mw/Mn 1.07 by GPC; monomer(s): isoprene

Conditions
ConditionsYield
With trityl tetrakis(pentafluorophenyl)borate; bis(2-diphenylphosphinophenyl)amine-based yttrium complex In chlorobenzene at 20℃; for 0.333333h;100%
isoprene
78-79-5

isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 113E3 g/mol, Mw = 329E3 g/mol, PDI = 2.92; monomer(s): isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 113E3 g/mol, Mw = 329E3 g/mol, PDI = 2.92; monomer(s): isoprene

Conditions
ConditionsYield
diethylaluminium chloride In hexane at 40℃; for 24h;100%
isoprene
78-79-5

isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 117E3 g/mol, Mw = 326E3 g/mol, PDI = 2.78; monomer(s): isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 117E3 g/mol, Mw = 326E3 g/mol, PDI = 2.78; monomer(s): isoprene

Conditions
ConditionsYield
diethylaluminium chloride In hexane at 40℃; for 24h;100%
isoprene
78-79-5

isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 149E3 g/mol, Mw = 532E3 g/mol, PDI = 3.59; monomer(s): isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 149E3 g/mol, Mw = 532E3 g/mol, PDI = 3.59; monomer(s): isoprene

Conditions
ConditionsYield
diethylaluminium chloride In hexane at 40℃; for 24h;100%
isoprene
78-79-5

isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 152E3 g/mol, Mw = 469E3 g/mol, PDI = 3.08; monomer(s): isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 152E3 g/mol, Mw = 469E3 g/mol, PDI = 3.08; monomer(s): isoprene

Conditions
ConditionsYield
diethylaluminium chloride In hexane at 40℃; for 24h;100%
isoprene
78-79-5

isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 158E3 g/mol, Mw = 650E3 g/mol, PDI = 4.11; monomer(s): isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 158E3 g/mol, Mw = 650E3 g/mol, PDI = 4.11; monomer(s): isoprene

Conditions
ConditionsYield
diethylaluminium chloride In hexane at 40℃; for 24h;100%
isoprene
78-79-5

isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 160E3 g/mol, Mw = 386E3 g/mol, PDI = 2.41; monomer(s): isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 160E3 g/mol, Mw = 386E3 g/mol, PDI = 2.41; monomer(s): isoprene

Conditions
ConditionsYield
diethylaluminium chloride In hexane at 40℃; for 24h;100%
isoprene
78-79-5

isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 223E3 g/mol, Mw = 453E3 g/mol, PDI = 2.03; monomer(s): isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 223E3 g/mol, Mw = 453E3 g/mol, PDI = 2.03; monomer(s): isoprene

Conditions
ConditionsYield
diethylaluminium chloride In hexane at 40℃; for 24h;100%
isoprene
78-79-5

isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 228E3 g/mol, Mw = 788E3 g/mol, PDI = 3.45; monomer(s): isoprene

cis-1,4-polyisoprene, cis stereospecificity >98%, Mn = 228E3 g/mol, Mw = 788E3 g/mol, PDI = 3.45; monomer(s): isoprene

Conditions
ConditionsYield
diethylaluminium chloride In hexane at 40℃; for 24h;100%
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