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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

1,3,5,7-Cyclooctatetraene

Cas:629-20-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

Cyclooctatetraene

Cas:629-20-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: 1,3,5,7-CYCLOOCTATETRAENE Synonyms: [8]Annulene;COT;CYCLOOCTATETRAENE;CYCLOOCTATETRAENE(1,3,5,7-);1,3,5,7-CYCLOOCTATETRAENE;1,3,5,7-COT;cyclooctatetraene stab.;CyclooctatetraeneCOTpaleyellowliq CAS: 629-20-9 M

629-20-9 1,3,5,7-CYCLOOCTATETRAENE

Cas:629-20-9

Min.Order:1 Kilogram

FOB Price: $8900.0

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

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

1,3,5,7-Cyclooctatetraene

Cas:629-20-9

Min.Order:0

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

1,3,5,7-Cyclooctatetraene

Cas:629-20-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

Cyclooctatetraene

Cas:629-20-9

Min.Order:0

Negotiable

Type:Manufacturers

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:

1,3,5,7-Cyclooctatetraene

Cas:629-20-9

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

1,3,5,7-Cyclooctatetraene

Cas:629-20-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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

1,3,5,7-Cyclooctatetraene (stabilized with HQ)

Cas:629-20-9

Min.Order:0

Negotiable

Type:Manufacturers

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 629-20-9 with competitive price

Cas:629-20-9

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

Cyclooctatetraene COT

Cas:629-20-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

1,3,5,7-Cyclooctatetraene CAS NO.629-20-9 Application:1,3,5,7-Cyclooctatetraene CAS NO.629-20-9

1,3,5,7-Cyclooctatetraene CAS NO.629-20-9

Cas:629-20-9

Min.Order:0

Negotiable

Type:Other

inquiry

Wuhan ZeShanCheng Biomedical Technology Co., Ltd.

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highl

1,3,5,7-Cyclooctatetraene

Cas:629-20-9

Min.Order:0

Negotiable

Type:Trading Company

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

1,3,5,7-Cyclooctatetraene, 98%, stabilized 629-20-9

Cas:629-20-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Koning Pharmchem Co., Ltd.

1,3,5,7-Cyclooctatetraene CAS NO.629-20-9Appearance:off-white fine crystalline powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:Delivery by EMS, DHL, FEDEX, UPS, TNT

1,3,5,7-Cyclooctatetraene CAS NO.629-20-9

Cas:629-20-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hunan Longxianng Runhui Trading Co.,Ltd

1,3,5,7-Cyclooctatetraene CAS NO.629-20-9Appearance:off-white fine crystalline powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for

1,3,5,7-Cyclooctatetraene CAS NO.629-20-9

Cas:629-20-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Beantown Chemical

in stock Application:629-20-9

1,3,5,7-Cyclooctatetraene, 98%, stabilized

Cas:629-20-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Changzhou Extraordinary Pharmatech co.,LTD

Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa

1,3,5,7-Cyclooctatetraene

Cas:629-20-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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%3) We are manufacturer

1,3,5,7-Cyclooctatetraene factory

Cas:629-20-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zhengzhou Kingorgchem Chemical Technology Co., Ltd.

1. Subsidiary of Institute of Chemistry, Henan Academy of Sciences, national research platform;2. About 30 years’ experience in this field since 1983;3. An experienced R&D team consisting of Doctors and Masters;4. Various types of analytical instrume

National Research Platform ISO 9001 629-20-9

Cas:629-20-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Ruishun Trade Co.,Ltd

Profile HeBei Ruishun Trade Co.LTD, registered capital one million,have a production of pharmaceutical raw materials, pharmaceutical raw materials factory reagent r&d center,Seek development by credit

1,3,5,7-Cyclooctatetraene

Cas:629-20-9

Min.Order:500 Gram

FOB Price: $1.0

Type:Trading Company

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 1,3,5,7-Cyclooctatetraene

Cas:629-20-9

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

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

1,3,5,7-Cyclooctatetraene Cas No: 629-20-9

Cas:629-20-9

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

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

Cyclooctateraent

Cas:629-20-9

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Share Chemical Co., Ltd

At Share Chemical Company, we scrupulously abide by our policy of “Excellent Quality at a Reasonable Price”. We strive to satisfy all of our customers by providing the finest quality products supported by the finest in customer servi

1,3,5,7-Cyclooctatetraene, 98%, stab. with 200ppM IRGANOX|r

Cas:629-20-9

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Henan Fine Chemicals Co., Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & CommercialHenan Fine Chemicals Co., LTD. is a diversified technology - oriented integrated company, which mainly concentrates on fine chemicals. Our company is committed to becom

1,3,5,7-Cyclooctatetraene

Cas:629-20-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Solution Industrial

1 fast delivery, we have them in stock from purity of 99.9%, 99.99%, 99.999%2 we will use ICP machinery to analysis our chemical.. before our shipment all the products has passed QC inspection strictly3 we will offer package according to customer’s r

leading factory 1,3,5,7-Cyclooctatetraene

Cas:629-20-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Strem Chemicals, Inc.

1.High Quality Specialty Chemicals2.Expertise and Experience in Manufacturing High Purity, High Quality Chemicals3.Long Term Focus in Inorganics, Organometallics and Metals4.ISO 9001 CertifiedAppearance:pale yellow liq.

Cyclooctatetraene, 98% COT

Cas:629-20-9

Min.Order:0

Negotiable

Type:Other

inquiry

Pure Chemistry Scientific Inc.

Cyclooctatetraene Application:2035041

Cyclooctatetraene

Cas:629-20-9

Min.Order:1 Gram

FOB Price: $500.0

Type:Trading Company

inquiry

Synthetic route

bicyclo[4.2.1]nona-2,4,7-trien-9-one
34733-74-9

bicyclo[4.2.1]nona-2,4,7-trien-9-one

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
In benzene-d6 at 100℃; Kinetics; Rate constant; 125 deg C;100%
4-Thia-2,6-diazahexacyclo<5.4.02,6.08,11.09,13.010,12>tridecane-3,5-dione
153943-48-7

4-Thia-2,6-diazahexacyclo<5.4.02,6.08,11.09,13.010,12>tridecane-3,5-dione

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

Diazabasketene
24046-80-8

Diazabasketene

Conditions
ConditionsYield
In [D3]acetonitrile for 0.5h; Ambient temperature; Irradiation;A 5 % Spectr.
B 80%
In [D3]acetonitrile for 0.5h; Product distribution; Ambient temperature; Irradiation; other solvents; different reaction conditions;A 5 % Spectr.
B 80%
1,5-cis,cis-cyclooctadiene
1552-12-1, 111-78-4

1,5-cis,cis-cyclooctadiene

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
Stage #1: 1,5-cis,cis-cyclooctadiene With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In hexane; pentane for 24h;
Stage #2: With di-tert-butyl peroxide In hexane; pentane for 4h; Heating; Further stages.;
65%
Multi-step reaction with 2 steps
1: K / 120 h / 108 °C
2: azobenzene / tetrahydrofuran / 1.) -78 deg C, 2.) room temp., 3 h further oxidizing agents
View Scheme
1,2,5,6-tetrabromocyclooctane
3194-57-8

1,2,5,6-tetrabromocyclooctane

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
With 18-crown-6 ether; potassium tert-butylate In water; pentane61%
(1R,7S,8R)-8-Chloro-bicyclo[5.1.0]octa-2,4-diene
69530-46-7, 69576-52-9

(1R,7S,8R)-8-Chloro-bicyclo[5.1.0]octa-2,4-diene

A

styrene
292638-84-7

styrene

B

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
With potassium tert-butylate at 25℃;A n/a
B 56%
With potassium tert-butylate at 25℃; Product distribution; Mechanism; other temperature: 90 deg C; other cond.: solvent: tetraglyme, temp: 90 deg C, pressure: 1 Torr;A n/a
B 56%
With potassium tert-butylate at 90℃;A 8%
B 8%
acetylene
74-86-2

acetylene

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

toluene
108-88-3

toluene

C

acetylacetone
123-54-6

acetylacetone

D

benzene
71-43-2

benzene

Conditions
ConditionsYield
bis(acetylacetonate)nickel(II); calcium carbide In tetrahydrofuran at 85 - 90℃; Further byproducts given;A 56%
B n/a
C n/a
D 33%
acetylene
74-86-2

acetylene

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

benzene
71-43-2

benzene

Conditions
ConditionsYield
With calcium carbide; tetrabutylammonium tetrafluoroborate; nickel In tetrahydrofuran at 80℃; under 12751 Torr; for 42h; electrolysis;A 55%
B n/a
With tetrabutylammonium tetrafluoroborate; nickel In tetrahydrofuran at 80℃; under 11250.9 Torr; Product distribution; Mechanism; electrolysis, further solvents, further catalysts, different temperatures;
1,5-Cyclooctadien-3-in
68344-46-7

1,5-Cyclooctadien-3-in

A

styrene
292638-84-7

styrene

B

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
at 500℃; under 0.1 Torr;A 51%
B 49%
semibullvalene
6909-37-1

semibullvalene

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
at 300℃; under 2 Torr; for 0.000555556h; Product distribution; the effect of temperature was investigated;50%
at 370℃; under 2 Torr; for 0.000555556h; Yield given;
syn-tricyclo{4.2.0.0(2.5)}octa-3,7-diene
20380-30-7

syn-tricyclo{4.2.0.0(2.5)}octa-3,7-diene

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
With 1,2,3,5-Tetracyanobenzol In acetonitrile at -40℃; for 10h; Irradiation;46%
benzophenone
119-61-9

benzophenone

tetracyclo<3.3.0.02,4.03,6>oct-7-ene
35434-64-1

tetracyclo<3.3.0.02,4.03,6>oct-7-ene

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

C21H18O

C21H18O

Conditions
ConditionsYield
In acetone for 24h; Product distribution; Irradiation;A 6%
B 43%
cubane
277-10-1

cubane

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

syn-tricyclo{4.2.0.0(2.5)}octa-3,7-diene
20380-30-7

syn-tricyclo{4.2.0.0(2.5)}octa-3,7-diene

Conditions
ConditionsYield
With 1,2,3,5-Tetracyanobenzol In acetonitrile at -40℃; for 10h; Irradiation;A 34%
B 17%
tetracyclo<3.3.0.02,4.03,6>oct-7-ene
35434-64-1

tetracyclo<3.3.0.02,4.03,6>oct-7-ene

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

acetylene
74-86-2

acetylene

C

benzene
71-43-2

benzene

Conditions
ConditionsYield
In Cyclohexane-d12 for 26.6667h; Product distribution; Irradiation;A 32%
B n/a
C 6%
tetracyclo<3.3.0.02,4.03,6>oct-7-ene
35434-64-1

tetracyclo<3.3.0.02,4.03,6>oct-7-ene

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

semibullvalene

semibullvalene

C

benzene
71-43-2

benzene

Conditions
ConditionsYield
In acetone for 85.5833h; Product distribution; Irradiation;A 13.5%
B 3.5%
C 5%
acetylene
74-86-2

acetylene

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
With tetrahydrofuran; nickel(II) cyanide; calcium carbide at 60 - 70℃; under 11032.6 - 14710.2 Torr; unter Stickstoff;
With oxirane; tetrahydrofuran; nickel(II) cyanide at 60 - 70℃; under 11032.6 - 14710.2 Torr; unter Stickstoff;
With nickel
With nickel
acetylene
74-86-2

acetylene

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

buta-1,3-dien-1-ylbenzene
1515-78-2

buta-1,3-dien-1-ylbenzene

Conditions
ConditionsYield
With oxirane; tetrahydrofuran; nickel cyanide at 60 - 130℃; under 11032.6 - 14710.2 Torr; 1c-phenyl-butadiene-(1.3);
methanol
67-56-1

methanol

9-phenyl-9-phosphatricyclo<4.2.1.02,5>nona-3,7-diene
77861-57-5, 92621-14-2

9-phenyl-9-phosphatricyclo<4.2.1.02,5>nona-3,7-diene

A

phenylphosphonous acid dimethyl ester
2946-61-4

phenylphosphonous acid dimethyl ester

B

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

C

phenylphosphane
638-21-1

phenylphosphane

Conditions
ConditionsYield
at 50℃; for 0.25h; Product distribution;
tert-butylethylene
558-37-2

tert-butylethylene

Cyclooctan
292-64-8

Cyclooctan

A

2,2-Dimethylbutane
75-83-2

2,2-Dimethylbutane

B

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
(iPr3P)2IrH5 at 150℃; for 120h; Product distribution; Mechanism; reaction time; other catalysts: <(p-F-C6H4)3P>2IrH5, <(p-F-C6H4)3P>3RuH4, (Me3P)2IrH5, (Ph3P)3RuH4, (Ar3P)2ReH7;
Cyclooctan
292-64-8

Cyclooctan

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
With tert-butylethylene; (iPr3P)2IrH5 at 150℃; evacuated sealed tube; Yield given;
cubane
277-10-1

cubane

A

styrene
292638-84-7

styrene

B

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
In decalin at 200.3 - 226.5℃; Rate constant; Product distribution; dependence on glass;
cubane
277-10-1

cubane

A

styrene
292638-84-7

styrene

B

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

C

acetylene
74-86-2

acetylene

D

benzene
71-43-2

benzene

Conditions
ConditionsYield
at 234.8 - 248.6℃; Rate constant; Thermodynamic data; Mechanism; E(a), Σ*, Η*, Γ*;
cubane
277-10-1

cubane

A

styrene
292638-84-7

styrene

B

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

C

1,4-dihydropentalene
61771-84-4

1,4-dihydropentalene

D

1,5-dihydropentalene
33284-11-6

1,5-dihydropentalene

E

acetylene
74-86-2

acetylene

F

benzene
71-43-2

benzene

Conditions
ConditionsYield
Product distribution; pyrolysis as a function of time, temperature and pressure;
<16>annulene
3332-38-5

<16>annulene

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

<16>annulene
3332-38-5

<16>annulene

<8>Annulene anion radical
629-20-9, 17676-32-3, 97590-88-0

<8>Annulene anion radical

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

<16>annulene anion radical

<16>annulene anion radical

Conditions
ConditionsYield
In N,N,N,N,N,N-hexamethylphosphoric triamide at 25℃; Equilibrium constant; Thermodynamic data; ΔH0 (enthalpy of electron transfer), ΔS0 (entropy of electron transfer);
1,5-Cyclooctadien-3-in
68344-46-7

1,5-Cyclooctadien-3-in

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

Conditions
ConditionsYield
Heating;
cyclooctanaphthalene
262-83-9

cyclooctanaphthalene

<8>Annulene anion radical
629-20-9, 17676-32-3, 97590-88-0

<8>Annulene anion radical

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

(6Z,8Z,10Z)-Cycloocta[b]naphthalene

(6Z,8Z,10Z)-Cycloocta[b]naphthalene

Conditions
ConditionsYield
In N,N,N,N,N,N-hexamethylphosphoric triamide at 25℃; Equilibrium constant; Thermodynamic data; ΔH0 (enthalpy of electron transfer), ΔS0 (entropy of electron transfer);
perdeuteriated <8>annulene
17596-57-5

perdeuteriated <8>annulene

cyclooctatetraene anion
629-20-9, 17676-32-3, 97590-88-0

cyclooctatetraene anion

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

C8(2)H8(1-)
17596-57-5

C8(2)H8(1-)

Conditions
ConditionsYield
In ammonia at -100℃; Equilibrium constant; Thermodynamic data; ΔG0;
cuneane
20656-23-9

cuneane

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

semibullvalene
6909-37-1

semibullvalene

Conditions
ConditionsYield
at 180℃; for 1h; Product distribution; Thermodynamic data; Kinetics; gas-phase thermolysis, various temperatures, pressures and times, Arrhenius parameters;
tert-butoxycyclooctatetraene
4514-70-9

tert-butoxycyclooctatetraene

<8>Annulene anion radical
629-20-9, 17676-32-3, 97590-88-0

<8>Annulene anion radical

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

tert-Butoxycyclooctatetraene anion radical

tert-Butoxycyclooctatetraene anion radical

Conditions
ConditionsYield
In N,N,N,N,N,N-hexamethylphosphoric triamide at 25℃; Equilibrium constant; Thermodynamic data; ΔH0 (enthalpy of electron transfer), ΔS0 (entropy of electron transfer);
ethylcyclooctatetraene
13402-35-2

ethylcyclooctatetraene

<8>Annulene anion radical
629-20-9, 17676-32-3, 97590-88-0

<8>Annulene anion radical

A

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

B

Ethylcyclooctatetraenanionradikal

Ethylcyclooctatetraenanionradikal

Conditions
ConditionsYield
In N,N,N,N,N,N-hexamethylphosphoric triamide at 25℃; Equilibrium constant; Thermodynamic data; ΔH0 (enthalpy of electron transfer), ΔS0 (entropy of electron transfer);
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

bromocyclooctatetraene
7567-22-8

bromocyclooctatetraene

Conditions
ConditionsYield
Stage #1: 1,3,5,7-cyclooctatetraene With bromine In dichloromethane at -70℃; for 1h;
Stage #2: With potassium tert-butylate In tetrahydrofuran; dichloromethane at -60℃; for 4h; Concentration; Solvent; Temperature;
97%
Stage #1: 1,3,5,7-cyclooctatetraene With bromine In dichloromethane at -78℃; for 2h; Schlenk technique; Inert atmosphere;
Stage #2: With potassium tert-butylate In tetrahydrofuran; dichloromethane at -78℃; for 3h; Schlenk technique; Inert atmosphere;
85%
With potassium tert-butylate; bromine In dichloromethane75%
(i) Br2, CH2Cl2, (ii) KOtBu; Multistep reaction;
Multi-step reaction with 2 steps
1: Br2
2: t-BuOK
View Scheme
3,6-bis(trifluoromethyl)-1,2,4,5-tetrazine
16453-18-2

3,6-bis(trifluoromethyl)-1,2,4,5-tetrazine

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

2,4a-dihydro-1,4-bis(trifluoromethyl)cyclooctapyridazine
137866-82-1

2,4a-dihydro-1,4-bis(trifluoromethyl)cyclooctapyridazine

Conditions
ConditionsYield
In dichloromethane for 72h;95%
2-(hex-5-yn-1-yl)isoindole-1,3-dione
6097-08-1

2-(hex-5-yn-1-yl)isoindole-1,3-dione

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

2-[4-(bicyclo[4.2.2]deca-2,4,7,9-tetraen-7-yl)butyl]-1H-isoindole-1,3(2H)-dione

2-[4-(bicyclo[4.2.2]deca-2,4,7,9-tetraen-7-yl)butyl]-1H-isoindole-1,3(2H)-dione

Conditions
ConditionsYield
With zinc(II) iodide; zinc; CoI2(dppe) In 1,2-dichloro-ethane at 40℃; for 20h;94%
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

(+/-)-7,10-Dithiadinaphtho<2,1-d:1',2'-f>cyclooctene 7,7,10,10-tetraoxide
120546-24-9

(+/-)-7,10-Dithiadinaphtho<2,1-d:1',2'-f>cyclooctene 7,7,10,10-tetraoxide

C30H22O4S2

C30H22O4S2

Conditions
ConditionsYield
With hydroquinone In chloroform at 90℃; for 24h;93%
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

cyclooctatetraene dibromide

cyclooctatetraene dibromide

Conditions
ConditionsYield
With bromine at -80 - -60℃; for 0.5h;93%
(PDMTA)(LiEt)Ni(CH2CH2)2
115420-88-7

(PDMTA)(LiEt)Ni(CH2CH2)2

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

A

(Ni*(COT))2

(Ni*(COT))2

B

Li(cyclooctatrienyl)

Li(cyclooctatrienyl)

C

ethene
74-85-1

ethene

Conditions
ConditionsYield
In tolueneA n/a
B n/a
C 93%
maleic anhydride
108-31-6

maleic anhydride

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

endo-tricyclo<4.2.2.02,5>deca-3,9-diene-7,8-dicarboxylate anhydride
51447-09-7

endo-tricyclo<4.2.2.02,5>deca-3,9-diene-7,8-dicarboxylate anhydride

Conditions
ConditionsYield
With hydroquinone for 2h; Heating;90%
In chlorobenzene Heating;
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

((2Z,4Z)-bicyclo[4.2.2]deca-2,4,7,9-tetraen-7-yl)trimethylsilane

((2Z,4Z)-bicyclo[4.2.2]deca-2,4,7,9-tetraen-7-yl)trimethylsilane

Conditions
ConditionsYield
With zinc(II) iodide; zinc; CoI2(dppe) In 1,2-dichloro-ethane at 40℃; for 20h;89%
5-hexynonitrile
14918-21-9

5-hexynonitrile

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

4-(bicyclo[4.2.2]deca-2,4,7,9-tetraen-7-yl)butanenitrile

4-(bicyclo[4.2.2]deca-2,4,7,9-tetraen-7-yl)butanenitrile

Conditions
ConditionsYield
With zinc(II) iodide; zinc; CoI2(dppe) In 1,2-dichloro-ethane at 40℃; for 20h;88%
cyclopentylacetylene
930-51-8

cyclopentylacetylene

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

7-cyclopentylbicyclo[4.2.2]deca-2,4,7,9-tetraene

7-cyclopentylbicyclo[4.2.2]deca-2,4,7,9-tetraene

Conditions
ConditionsYield
With cobalt acetylacetonate; 1,2-bis-(diphenylphosphino)ethane; zinc(II) iodide; zinc In 1,2-dichloro-ethane at 60℃; for 20h; Sealed tube; Inert atmosphere;88%
1,3-diethyl 2-diazopropanedioate
5256-74-6

1,3-diethyl 2-diazopropanedioate

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

A

bicyclo[4.2.1]nona-2,4,7-triene-9,9-dicarboxylic acid diethyl ester

bicyclo[4.2.1]nona-2,4,7-triene-9,9-dicarboxylic acid diethyl ester

B

(2Z,4Z,6Z)-Bicyclo[6.1.0]nona-2,4,6-triene-9,9-dicarboxylic acid diethyl ester

(2Z,4Z,6Z)-Bicyclo[6.1.0]nona-2,4,6-triene-9,9-dicarboxylic acid diethyl ester

Conditions
ConditionsYield
Product distribution; Irradiation; with or without benzophenone;A 13%
B 87%
Irradiation;A 13%
B 87%
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

6-(toluene-4-sulfonyloxy)-hexa-1,2-diene
72051-04-8

6-(toluene-4-sulfonyloxy)-hexa-1,2-diene

(E)-4-(bicyclo[4.2.2]deca-2,4,9-trien-7-ylidene)butan-1-ol tosylate

(E)-4-(bicyclo[4.2.2]deca-2,4,9-trien-7-ylidene)butan-1-ol tosylate

Conditions
ConditionsYield
With 1,2-bis-(diphenylphosphino)ethane; cobalt(II) iodide; zinc(II) iodide; zinc In 1,2-dichloro-ethane at 60℃; for 20h; Inert atmosphere; Sealed tube; stereoselective reaction;87%
maleic anhydride
108-31-6

maleic anhydride

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

3a,4,4a,6a,7,7a-hexahydro-4,7-ethenocyclobutisobenzofuran-1,3-dione
6295-73-4

3a,4,4a,6a,7,7a-hexahydro-4,7-ethenocyclobutisobenzofuran-1,3-dione

Conditions
ConditionsYield
In toluene Heating;85%
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

1,3-diphenyl-2H-cyclopenta<1>phenanthren-2-one
5660-91-3

1,3-diphenyl-2H-cyclopenta<1>phenanthren-2-one

C66H44O2
78442-58-7

C66H44O2

Conditions
ConditionsYield
In benzene at 80℃; for 7h;85%
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

(E)-1,2-bis(phenylsulfonyl)ethylene
963-16-6

(E)-1,2-bis(phenylsulfonyl)ethylene

(1R,6S,9R,10R)-9,10-Bis-benzenesulfonyl-tricyclo[4.2.2.02,5]deca-3,7-diene
87057-42-9

(1R,6S,9R,10R)-9,10-Bis-benzenesulfonyl-tricyclo[4.2.2.02,5]deca-3,7-diene

Conditions
ConditionsYield
In 1,2-dichloro-benzene for 4h; Heating;85%
3,6-bis(trifluoromethyl)-1,2,4,5-tetrazine
16453-18-2

3,6-bis(trifluoromethyl)-1,2,4,5-tetrazine

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

A

2,4a-dihydro-1,4-bis(trifluoromethyl)cyclooctapyridazine
137866-82-1

2,4a-dihydro-1,4-bis(trifluoromethyl)cyclooctapyridazine

2,4a,6a,6b,10a,10b-hexahydro-1,4,7,10-tetrakis(trifluoromethyl)pyridazino<4,5-c>cyclobuta<1,2-f>phthalazine

2,4a,6a,6b,10a,10b-hexahydro-1,4,7,10-tetrakis(trifluoromethyl)pyridazino<4,5-c>cyclobuta<1,2-f>phthalazine

Conditions
ConditionsYield
In dichloromethane for 96h; Heating;A 85%
B 5%
1-phenylpropadiene
2327-99-3

1-phenylpropadiene

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

9-[(E)-phenylmethylidene]bicyclo[4.2.2]deca-2,4,7-triene

9-[(E)-phenylmethylidene]bicyclo[4.2.2]deca-2,4,7-triene

Conditions
ConditionsYield
With 1,2-bis-(diphenylphosphino)ethane; cobalt(II) iodide; zinc(II) iodide; zinc In 1,2-dichloro-ethane at 60℃; for 20h; Inert atmosphere; Sealed tube; stereoselective reaction;85%
Cyclopropylacetylene
6746-94-7

Cyclopropylacetylene

1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

7-cyclopropylbicyclo[4.2.2]deca-2,4,7,9-tetraene

7-cyclopropylbicyclo[4.2.2]deca-2,4,7,9-tetraene

Conditions
ConditionsYield
With cobalt acetylacetonate; 1,2-bis-(diphenylphosphino)ethane; zinc(II) iodide; zinc In 1,2-dichloro-ethane at 60℃; for 20h; Sealed tube; Inert atmosphere;85%
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

mercury(II) diacetate
1600-27-7

mercury(II) diacetate

(+/-)-2-acetyloxy-1,2,2α,6α-tetrahydrocyclobuta[1,2-α]benzenyl acetate
7698-06-8, 42301-50-8

(+/-)-2-acetyloxy-1,2,2α,6α-tetrahydrocyclobuta[1,2-α]benzenyl acetate

Conditions
ConditionsYield
at -5 - 25℃;84%
With acetic acid at 70 - 80℃;
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

(E)-1,2-bis(phenylsulfonyl)ethylene
963-16-6

(E)-1,2-bis(phenylsulfonyl)ethylene

5-exo,6-endo-bis(phenylsulfonyl)tricyclo<4.2.2.02,5>deca-3,9-diene
87057-42-9

5-exo,6-endo-bis(phenylsulfonyl)tricyclo<4.2.2.02,5>deca-3,9-diene

Conditions
ConditionsYield
In 1,2-dichloro-benzene at 160℃; for 12h;84%
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

(Z)-1,4-bis(tert-butyldimethylsilanyloxy)but-2-ene
132835-15-5

(Z)-1,4-bis(tert-butyldimethylsilanyloxy)but-2-ene

polymer; monomer(s): 1,3,5,7-cyclooctatetraene; cis-1,4-di(tert-butyldimethylsilyloxy)-2-butene

polymer; monomer(s): 1,3,5,7-cyclooctatetraene; cis-1,4-di(tert-butyldimethylsilyloxy)-2-butene

Conditions
ConditionsYield
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane at 55℃; for 24h;83%
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

1-methyl-1-phenylallene
22433-39-2

1-methyl-1-phenylallene

9-[(E)-1-phenylethylidene]bicyclo[4.2.2]deca-2,4,7-triene

9-[(E)-1-phenylethylidene]bicyclo[4.2.2]deca-2,4,7-triene

Conditions
ConditionsYield
With 1,2-bis-(diphenylphosphino)ethane; cobalt(II) iodide; zinc(II) iodide; zinc In 1,2-dichloro-ethane at 60℃; for 20h; Inert atmosphere; Sealed tube; stereoselective reaction;83%
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

buta-2,3-dienyl-benzene
40339-20-6

buta-2,3-dienyl-benzene

9-[(E)-2-phenylethylidene]bicyclo[4.2.2]deca-2,4,7-triene

9-[(E)-2-phenylethylidene]bicyclo[4.2.2]deca-2,4,7-triene

Conditions
ConditionsYield
With 1,2-bis-(diphenylphosphino)ethane; cobalt(II) iodide; zinc(II) iodide; zinc In 1,2-dichloro-ethane at 60℃; for 20h; Inert atmosphere; Sealed tube; stereoselective reaction;82%
1,3,5,7-cyclooctatetraene
629-20-9

1,3,5,7-cyclooctatetraene

1-ethynyl-3-methyl-benzene
766-82-5

1-ethynyl-3-methyl-benzene

7-(m-tolyl)bicyclo[4.2.2]deca-2,4,7,9-tetraene

7-(m-tolyl)bicyclo[4.2.2]deca-2,4,7,9-tetraene

Conditions
ConditionsYield
With cobalt acetylacetonate; 1,2-bis-(diphenylphosphino)ethane; zinc(II) iodide; zinc In 1,2-dichloro-ethane at 60℃; for 20h; Sealed tube; Inert atmosphere;82%

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