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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

1,3-Cyclopentadiene

Cas:542-92-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Clear colorless liquid Storage:Cool dry place Package:25kg/drum,200kg/drum Application:pharma

1,3-Cyclopentadiene Cas 542-92-7

Cas:542-92-7

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay 98%min -----------------------------------------------------------------------------------------------

High purity cyclopentadiene CAS:542-92-7

Cas:542-92-7

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

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 Cyclopentadiene

Cas:542-92-7

Min.Order:1

Negotiable

Type:Other

inquiry

Chemwill Asia Co., Ltd.

Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA. Product quality, process, price and service 1,3-Cyclopentadiene CAS 542-92-7 IN Stock Cyclopentadiene CAS 542-92-7 542-92-7 CAS 542-92-7 highly quality and immedaite delive

1,3-Cyclopentadiene CAS 542-92-7 IN Stock Cyclopentadiene CAS 542-92-7

Cas:542-92-7

Min.Order:5 Kiloliter

FOB Price: $3.5 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM-- 542-92-7--High purity 1,3-Cyclopentadiene in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable busines

TIANFUCHEM-- 542-92-7--High purity 1,3-Cyclopentadiene in stock

Cas:542-92-7

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: 1,3-Cyclopentadiene Synonyms: Cyclopentadiene;pentole;pyropentylene;r-pentine;1,3-Cyclopentadiene;2,4-Cyclopentadiene CAS: 542-92-7 MF: C5H6 MW: 66.10114 EINECS: 208-835-4 Product Categories: Mol File: 542-92-7.mol 1,3-Cyclope

1, 3-Cyclopentadiene 542-92-7 large scale in supply

Cas:542-92-7

Min.Order:1 Kilogram

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

1,3-Cyclopentadiene

Cas:542-92-7

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 purity cyclopentadiene

Cas:542-92-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:colourless liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediat

1,3-Cyclopentadiene

Cas:542-92-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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,

1,3-Cyclopentadiene

Cas:542-92-7

Min.Order:1 Metric Ton

Negotiable

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

1,3-Cyclopentadiene

Cas:542-92-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

cyclopentadiene

Cas:542-92-7

Min.Order:0

Negotiable

Type:Other

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

Cyclopentadiene

Cas:542-92-7

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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-Cyclopentadiene

Cas:542-92-7

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 directly supply CAS 542-92-7 with competitive price

Cas:542-92-7

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

1,3-Cyclopentadiene

Cas:542-92-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

1,3-Cyclopentadiene 542-92-7

Cas:542-92-7

Min.Order:0

Negotiable

Type:Trading Company

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Hubei Langyou International Trading Co., Ltd

Cyclopentadiene CAS NO.542-92-7 CAS NO.542-92-7 CAS NO.542-92-7 Application:Cyclopentadiene CAS NO.542-92-7 CAS NO.542-92-7 CAS NO.542-92-7

Cyclopentadiene CAS NO.542-92-7 CAS NO.542-92-7 CAS NO.542-92-7

Cas:542-92-7

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Fandachem Co.,Ltd

1,3-CyclopentadieneAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express

1,3-Cyclopentadiene

Cas:542-92-7

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-Cyclopentadiene

Cas:542-92-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou ZeErRui Chemical 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:Colorless liquid Storage:ke

1,3-Cyclopentadiene; manufacture

Cas:542-92-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Longxianng Runhui Trading Co.,Ltd

Cyclopentadiene CAS NO.542-92-7 CAS NO.542-92-7 CAS NO.542-92-7Appearance:powder Storage:Store at RT. Package:bag Application:Industrial Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or

Cyclopentadiene CAS NO.542-92-7 CAS NO.542-92-7 CAS NO.542-92-7

Cas:542-92-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

1,3-Cyclopentadiene

Cas:542-92-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HWRK Chem

in store Package:1kg Application:Organic Chemicals

1,3-Cyclopentadiene

Cas:542-92-7

Min.Order:0

Negotiable

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

1,3-Cyclopentadiene

Cas:542-92-7

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

HENAN SUNLAKE ENTERPRISE CORPORATION Our company advantages: 1、The highest quality with the competitive price. 2、Professional human services. 3、The fastest and safest delivery service. 4、The faster and safest delivery service. 5、The hig

1,3-Cyclopentadiene

Cas:542-92-7

Min.Order:100 Gram

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

cyclopentadiene

Cas:542-92-7

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-Cyclopentadiene factory

Cas:542-92-7

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

ISO 9001 National Research Platform CAS No. 542-92-7

Cas:542-92-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

cyclopentene
142-29-0

cyclopentene

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
With n-butyllithium; potassium 2-methylbutan-2-olate In hexane 1) r.t., 14 h, 2) reflux, 5 h;100%
at 850℃; Erhitzen unter vermindertem Druck;
With chromium (III)-oxide-aluminium oxide contacts at 450 - 500℃;
With palladium at 180 - 200℃;
trimethylsilylcyclopentadiene
3559-74-8

trimethylsilylcyclopentadiene

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
With trifluoroacetic acid at 60℃; for 3h; Heating;100%
With potassium tert-butylate In N,N,N,N,N,N-hexamethylphosphoric triamide at 60℃; for 3h;100%
manganocene
73138-26-8

manganocene

carbon dioxide
124-38-9

carbon dioxide

diethylamine
109-89-7

diethylamine

A

Mn(O2CN(C2H5)2)2

Mn(O2CN(C2H5)2)2

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In toluene under N2 or Ar;suspn. of Mn(cp)2 in toluene treated with stoicheiometric amt. of amine, clear soln, addn. of CO2, after 2 h no gas was uptaken; evapn.,;A 99%
B n/a
1,3-dihydroxycyclopentane
16326-97-9, 16326-98-0, 59719-74-3

1,3-dihydroxycyclopentane

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
With Nafion In water at 140℃; Temperature; Solvent; Reagent/catalyst;99%
With H-USY zeolite In tetrahydrofuran at 249.84℃; Inert atmosphere;93.8%
(η-cyclopentadienyl)(η-cyclopentadiene)nickel tetrafluoroborate
84651-76-3

(η-cyclopentadienyl)(η-cyclopentadiene)nickel tetrafluoroborate

triphenylantimony
603-36-1

triphenylantimony

A

[Ni(C5H5)(Sb(C6H5)3)2](1+)*BF4(1-)=[Ni(C5H5)(Sb(C6H5)3)2]BF4
85836-36-8

[Ni(C5H5)(Sb(C6H5)3)2](1+)*BF4(1-)=[Ni(C5H5)(Sb(C6H5)3)2]BF4

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In diethyl ether under Ar, Ni complex in ether mixed with stibane ligand (molar ratio 1:2), stirred for 5 h at room temp.; filtered, washed with ether, dried in vac., elem. anal.;A 98%
B n/a
vanadocene

vanadocene

lead(IV) tetraacetate
546-67-8

lead(IV) tetraacetate

A

{(η5-cyclopentadienyl)vanadium diacetate}2

{(η5-cyclopentadienyl)vanadium diacetate}2

B

lead acetate
301-04-2

lead acetate

C

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In toluene molar ratio Cp2V/Pb-compound 1/1, sealed ampoule, 20°C, 48 h;A 97%
B n/a
C 36.6%
Conditions
ConditionsYield
Heating;96%
at 180℃;
In decalin at 180℃; Diels-Alder Cycloaddition; Inert atmosphere;
bi(cyclopentadiene)
77-73-6, 933-60-8, 1755-01-7

bi(cyclopentadiene)

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
at 160℃;95%
at 350 - 400℃;91%
at 210℃;84.5%
endo-4a-acetyl-2,3-dichloro-4a,5,8,8a-tetrahydro-5,8-methano-1,4-naphthoquinone
79756-02-8, 79813-47-1

endo-4a-acetyl-2,3-dichloro-4a,5,8,8a-tetrahydro-5,8-methano-1,4-naphthoquinone

A

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

4-acetyl-6,7,7',8'-tetrachloro-3'aR*,9'bR*-dihydro-5,6',9'-trihydroxy-spiro<3H-benzofuran-2S*,5'(1'H)-cyclopenta<2>benzopyran>
79756-04-0

4-acetyl-6,7,7',8'-tetrachloro-3'aR*,9'bR*-dihydro-5,6',9'-trihydroxy-spiro<3H-benzofuran-2S*,5'(1'H)-cyclopenta<2>benzopyran>

Conditions
ConditionsYield
In benzene-d6 at 80℃; for 6h; sealed n.m.r. sample tube;A n/a
B 95%
bicyclo[4.3.0]nona-3,7-diene
3048-65-5

bicyclo[4.3.0]nona-3,7-diene

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
With tert-butylhydroquinone In diphenylether at 215℃; for 2.58333h; Product distribution / selectivity;94.19%
vanadocene

vanadocene

dibutyltin dibenzoate
5847-54-1

dibutyltin dibenzoate

A

tin
7440-31-5

tin

B

2C5H5(1-)*2V(3+)*4OCOC6H5(1-) = [(C5H5)V(OCOC6H5)2]2

2C5H5(1-)*2V(3+)*4OCOC6H5(1-) = [(C5H5)V(OCOC6H5)2]2

C

(Benzoyloxy)tributylstannan
4342-36-3

(Benzoyloxy)tributylstannan

D

dibutyltin
1191-48-6

dibutyltin

E

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In toluene molar ratio Cp2V/Sn-compound 1/2, sealed ampoule, 20°C, 24 h;A n/a
B 94%
C n/a
D n/a
E 84%
(η-cyclopentadienyl)(η-cyclopentadiene)nickel tetrafluoroborate
84651-76-3

(η-cyclopentadienyl)(η-cyclopentadiene)nickel tetrafluoroborate

1-diphenylarsino-2-diphenylphosphinoethane
23582-06-1

1-diphenylarsino-2-diphenylphosphinoethane

A

cyclopentadienylnickel(diphenylphosphino(diphenylarsino)ethylidene)
85412-97-1

cyclopentadienylnickel(diphenylphosphino(diphenylarsino)ethylidene)

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In chloroform under Ar, Ni complex and ligand stirred in CHCl3 for 5 min; filtered, filtrate dropped in ether, filtered, dried in vac., elem. anal.;A 93%
B n/a
(S)-2-(2-Aza-bicyclo[2.2.1]hept-5-en-2-yl)-3-phenyl-propionic acid methyl ester
211567-40-7

(S)-2-(2-Aza-bicyclo[2.2.1]hept-5-en-2-yl)-3-phenyl-propionic acid methyl ester

A

N-methyl-L-phenylalanine methyl ester
2439-60-3, 27442-39-3

N-methyl-L-phenylalanine methyl ester

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
With triethylsilane; trifluoroacetic acid In chloroform for 20h; Ambient temperature;A 92%
B n/a
(1R,4S,4aR,8aS)-1,4,5,6,7,8-Hexahydro-1,4-methano-naphthalene-4a,8a-dicarboxylic acid dimethyl ester

(1R,4S,4aR,8aS)-1,4,5,6,7,8-Hexahydro-1,4-methano-naphthalene-4a,8a-dicarboxylic acid dimethyl ester

A

1,2-dimethyl cyclohex-1-ene-1,2-dicarboxylate
4336-19-0

1,2-dimethyl cyclohex-1-ene-1,2-dicarboxylate

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In gas at 650℃;A 92%
B n/a
(η-cyclopentadienyl)(η-cyclopentadiene)nickel tetrafluoroborate
84651-76-3

(η-cyclopentadienyl)(η-cyclopentadiene)nickel tetrafluoroborate

2,4-dichloro-1,3-di-tert-butyl-1,3,2,4-diazadiphosphetidine
24335-35-1

2,4-dichloro-1,3-di-tert-butyl-1,3,2,4-diazadiphosphetidine

A

[(C5H5)Ni(P2Cl2(NC(CH3)3)2)2](1+)*BF4(1-)=[(C5H5)Ni(P2Cl2(NC(CH3)3)2)2]BF4
85413-22-5

[(C5H5)Ni(P2Cl2(NC(CH3)3)2)2](1+)*BF4(1-)=[(C5H5)Ni(P2Cl2(NC(CH3)3)2)2]BF4

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In chloroform under Ar, nickel complex and CHCl3 soln. of ligand (molar ratio 1:2) stirred at 0°C for 1 h; filtered, filtrate mixed with ether, decanted, washed with ether until solidification, dried in vac., elem. anal.;A 92%
B n/a
Tricyclo<5.2.1.02.6>deca-3,8-dien
247936-95-4

Tricyclo<5.2.1.02.6>deca-3,8-dien

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
at 0 - 20℃; under 50 - 100 Torr; Temperature; Inert atmosphere; Large scale;91.7%
at 158.5 - 220.7℃; Kinetics; Rate constant; Thermodynamic data; activation parameters: Ea, ΔH, ΔS;
at 160 - 170℃;
C16H20O4
132785-65-0

C16H20O4

A

2,2-Dimethyl-cyclopenta-3,5-diene-1,3-dicarboxylic acid dimethyl ester
132785-67-2

2,2-Dimethyl-cyclopenta-3,5-diene-1,3-dicarboxylic acid dimethyl ester

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In neat (no solvent) at 160℃;A n/a
B 91%
In neat (no solvent) at 160℃;A 91%
B n/a
1-((1S,3R,7R)-4,4-Dioxo-4λ6-thia-tricyclo[5.2.1.02,6]dec-8-en-3-yl)-pentan-1-one
93469-35-3

1-((1S,3R,7R)-4,4-Dioxo-4λ6-thia-tricyclo[5.2.1.02,6]dec-8-en-3-yl)-pentan-1-one

A

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

B

trans-1,3-nonadien-5-one
83339-20-2

trans-1,3-nonadien-5-one

Conditions
ConditionsYield
at 650℃; under 0.01 Torr;A n/a
B 91%
(S)-2-(2-Aza-bicyclo[2.2.1]hept-5-en-2-yl)-4-methyl-pentanoic acid methyl ester
112018-28-7, 112018-29-8, 126574-84-3

(S)-2-(2-Aza-bicyclo[2.2.1]hept-5-en-2-yl)-4-methyl-pentanoic acid methyl ester

trifluoroacetic acid
76-05-1

trifluoroacetic acid

A

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

B

dimethylleucine trifluoroacetate
111934-20-4

dimethylleucine trifluoroacetate

Conditions
ConditionsYield
With triethylsilane In chloroform for 20h; Ambient temperature;A n/a
B 91%
8-quinolinol
148-24-3

8-quinolinol

tris(cyclopentadienyl)ytterbium(III)

tris(cyclopentadienyl)ytterbium(III)

A

dicyclopentadienylytterbium 8-quinolinolate

dicyclopentadienylytterbium 8-quinolinolate

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In tetrahydrofuran Addn. of Yb-complex soln to soln. of 8-hydroxyquinoline under Ar, stirring 24 h at room temp.; Concg., addn. of n-hexane pptd. a solid, washing (n-hexane), crystn. (THF/n-hexane), elem. anal.;A 91%
B n/a
(1S,3S,7R)-3-Pentyl-4-thia-tricyclo[5.2.1.02,6]dec-8-ene 4,4-dioxide
83927-51-9

(1S,3S,7R)-3-Pentyl-4-thia-tricyclo[5.2.1.02,6]dec-8-ene 4,4-dioxide

A

(E)-1,3-nonadiene
77192-27-9

(E)-1,3-nonadiene

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
at 650℃; under 0.01 Torr;A 90%
B n/a
at 650℃; Yields of byproduct given;
2-(5-Norbornen-2-yl)imidazol
91937-77-8

2-(5-Norbornen-2-yl)imidazol

A

2-vinyl imidazole
43129-93-7

2-vinyl imidazole

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
With 4-methoxy-phenol In methanol at 500℃;A 90%
B n/a
((1S,3R,7R)-4,4-Dioxo-4λ6-thia-tricyclo[5.2.1.02,6]dec-8-en-3-yl)-trimethyl-silane
86593-81-9

((1S,3R,7R)-4,4-Dioxo-4λ6-thia-tricyclo[5.2.1.02,6]dec-8-en-3-yl)-trimethyl-silane

A

(E)-1-(trimethylsilyl)buta-1,3-diene
71504-26-2

(E)-1-(trimethylsilyl)buta-1,3-diene

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
at 650℃; under 0.01 Torr;A 89%
B n/a
vanadocene

vanadocene

tributyltin acetate
56-36-0

tributyltin acetate

A

{(η5-cyclopentadienyl)vanadium diacetate}2

{(η5-cyclopentadienyl)vanadium diacetate}2

B

bis(tri-n-butyltin)
813-19-4

bis(tri-n-butyltin)

C

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In neat (no solvent) molar ratio Cp2V/Sn-compound 1/2, sealed ampoule, 120°C, 16 h; elem. anal.;A 89%
B 10.07%
C 58.5%
(S)-(2-Aza-bicyclo[2.2.1]hept-5-en-2-yl)-phenyl-acetic acid methyl ester
111934-15-7, 112018-33-4, 112458-30-7, 112458-34-1

(S)-(2-Aza-bicyclo[2.2.1]hept-5-en-2-yl)-phenyl-acetic acid methyl ester

A

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

B

methyl (2S)-(methylamino)(phenyl)acetate
111934-22-6

methyl (2S)-(methylamino)(phenyl)acetate

Conditions
ConditionsYield
With triethylsilane; trifluoroacetic acid In chloroform for 20h; Ambient temperature;A n/a
B 88%
3-benzoyl-2-oxa-3-azabicyclo<2.2.1>hept-5-ene
59438-62-9

3-benzoyl-2-oxa-3-azabicyclo<2.2.1>hept-5-ene

benzylamine
100-46-9

benzylamine

A

N-benzylbenzamide
1485-70-7

N-benzylbenzamide

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In toluene at 80℃; for 20h; Product distribution; Mechanism; var. amine; determination of formed N2O; retro-Diels Alder dissociation;A 88%
B n/a
(η-cyclopentadienyl)(η-cyclopentadiene)nickel tetrafluoroborate
84651-76-3

(η-cyclopentadienyl)(η-cyclopentadiene)nickel tetrafluoroborate

trimethylantimony
594-10-5

trimethylantimony

A

[Ni(C5H5)(Sb(CH3)3)2](1+)*BF4(1-)=[Ni(C5H5)(Sb(CH3)3)2]BF4
85836-32-4

[Ni(C5H5)(Sb(CH3)3)2](1+)*BF4(1-)=[Ni(C5H5)(Sb(CH3)3)2]BF4

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In diethyl ether under Ar, Ni complex in ether mixed with stibane ligand (molar ratio 1:2), stirred for 5 h at room temp.; filtered, washed with ether, dried in vac., elem. anal.;A 88%
B n/a
tris(cyclopentadienyl)ytterbium(III)

tris(cyclopentadienyl)ytterbium(III)

2-amino-phenol
95-55-6

2-amino-phenol

A

dicyclopentadienylytterbium o-aminophenolate

dicyclopentadienylytterbium o-aminophenolate

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In tetrahydrofuran Addn. of Yb-complex soln to soln. of o-aminophenol under Ar, stirring 24 h at room temp.; Concg., addn. of n-hexane pptd. a solid, washing (n-hexane), crystn. (THF/n-hexane), elem. anal.;A 87%
B n/a
8-quinolinol
148-24-3

8-quinolinol

tris(cyclopentadienyl)neodymium(III)
1080547-39-2

tris(cyclopentadienyl)neodymium(III)

A

dicyclopentadienylneodymium 8-quinolinolate

dicyclopentadienylneodymium 8-quinolinolate

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In tetrahydrofuran Addn. of Nd-complex soln to soln. of 8-hydroxyquinoline under Ar, stirring 24 h at room temp.; Concg., addn. of n-hexane pptd. a solid, washing (n-hexane), crystn. (THF/n-hexane), elem. anal.;A 87%
B n/a
[Ni(C5H5)(Sb(C6H5)3)2](1+)*BF4(1-)=[Ni(C5H5)(Sb(C6H5)3)2]BF4
85836-36-8

[Ni(C5H5)(Sb(C6H5)3)2](1+)*BF4(1-)=[Ni(C5H5)(Sb(C6H5)3)2]BF4

bis(diphenylstibino)methane
30224-53-4

bis(diphenylstibino)methane

A

[Ni(C5H5)(Sb(C6H5)2CH2Sb(C6H5)2)2](1+)*BF4(1-)=[Ni(C5H5)(Sb(C6H5)2CH2Sb(C6H5)2)2]BF4
85836-38-0

[Ni(C5H5)(Sb(C6H5)2CH2Sb(C6H5)2)2](1+)*BF4(1-)=[Ni(C5H5)(Sb(C6H5)2CH2Sb(C6H5)2)2]BF4

B

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Conditions
ConditionsYield
In chloroform under Ar, Ni complex in CHCl3 mixed at 0°C with stibane ligand (molar ratio 1:2), stirred for 10 min; filtered, to filtrate added ether, solid washed with ether, dried in vac., elem. anal.;A 87%
B n/a
cyclohexanone
108-94-1

cyclohexanone

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

cyclopenta-2,4-dien-1-ylidenecyclohexane
3141-04-6

cyclopenta-2,4-dien-1-ylidenecyclohexane

Conditions
ConditionsYield
Stage #1: cyclohexanone; cyclopenta-1,3-diene With pyrrolidine In methanol at 20℃; Inert atmosphere;
Stage #2: With acetic acid In methanol for 0.15h;
100%
In methanol for 0.416667h; Ambient temperature; new method;96%
With pyrrolidine In methanol for 0.416667h; Ambient temperature;96%
fumaryl dichloride
627-63-4

fumaryl dichloride

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

endo,exo-bicyclo[2.2.1]hept-2-ene-5,6-dicarboxylic acid dichloride
4582-21-2

endo,exo-bicyclo[2.2.1]hept-2-ene-5,6-dicarboxylic acid dichloride

Conditions
ConditionsYield
In toluene Heating;100%
With diethyl ether
In diethyl ether
cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

acrylic acid methyl ester
292638-85-8

acrylic acid methyl ester

(1S,2S,4S)-Bicyclo[2.2.1]hept-5-ene-2-carboxylic acid methyl ester
2903-75-5

(1S,2S,4S)-Bicyclo[2.2.1]hept-5-ene-2-carboxylic acid methyl ester

Conditions
ConditionsYield
In water Ambient temperature;100%
With 3-phenyl-propenal; bromocatecholborane In dichloromethane at -78℃; for 3h;98%
With [BCl2(1-methylimidazole)][Al2Cl7] In neat (no solvent) at 0℃; for 0.0833333h; Diels-Alder Cycloaddition; Inert atmosphere;93%
cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

(2E)-but-2-enedioic acid
110-17-8

(2E)-but-2-enedioic acid

norbornene-5,6-dicarboxylic acid
1200-88-0

norbornene-5,6-dicarboxylic acid

Conditions
ConditionsYield
In water; acetone at 50℃; for 24h; Diels-Alder Cycloaddition;100%
In 1,4-dioxane at 60℃; for 1h;94%
With N,N-dimethyl-formamide andere polare Loesungsmittel;
cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

acetone
67-64-1

acetone

6,6'-dimethyl fulvene
2175-91-9

6,6'-dimethyl fulvene

Conditions
ConditionsYield
Stage #1: cyclopenta-1,3-diene; acetone With pyrrolidine In methanol at 20℃; Inert atmosphere;
Stage #2: With acetic acid In methanol for 0.15h;
100%
With pyrrolidine In methanol at -10 - 20℃; for 1h; Inert atmosphere;100%
With methylamine for 4.5h;92%
cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

p-benzoquinone
106-51-4

p-benzoquinone

norbornenoquinone
51175-59-8

norbornenoquinone

Conditions
ConditionsYield
In hexane; ethyl acetate at 0℃; for 3.5h; Diels-Alder Cycloaddition;100%
In methanol at -78 - 0℃; Inert atmosphere; optical yield given as %de;98%
In hexane; ethyl acetate at 0℃; for 4h; Diels-Alder reaction;97%
cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

Acetylenedicarboxylic acid
142-45-0

Acetylenedicarboxylic acid

bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid
15872-28-3

bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid

Conditions
ConditionsYield
In 1,4-dioxane at 20℃; for 12h; Diels-Alder cycloaddition;100%
In diethyl ether Ambient temperature;85%
Stage #1: Acetylenedicarboxylic acid With (2-bromophenyl)boronic acid In dichloromethane at 25℃; for 0.166667h; Inert atmosphere;
Stage #2: cyclopenta-1,3-diene In dichloromethane at 25℃; for 48h; Diels-Alder cycloaddition; Inert atmosphere;
84%
cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

diethylazodicarboxylate
1972-28-7

diethylazodicarboxylate

diethyl 2,3-diazanorbornene-2,3-dicarboxylate
14011-60-0

diethyl 2,3-diazanorbornene-2,3-dicarboxylate

Conditions
ConditionsYield
In dichloromethane at 0℃;100%
In diethyl ether at 0℃; for 12h;100%
In diethyl ether; toluene at 20℃; for 21.5h; Reflux;55%
With diethyl ether
cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

1,2-Dicyanoethylene
764-42-1

1,2-Dicyanoethylene

bicyclo<2.2.1>hept-5,6-ene-2α,3β-dicarbonitrile
6343-16-4, 24425-58-9, 38447-89-1, 51252-31-4

bicyclo<2.2.1>hept-5,6-ene-2α,3β-dicarbonitrile

Conditions
ConditionsYield
In methanol at 0 - 20℃; Diels-Alder reaction;100%
In methanol at 0℃; for 1h; Diels-Alder Cycloaddition;99%
In 1,4-dioxane for 6h; Ambient temperature;93%
cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

endo-Dicyclopentadien
1755-01-7

endo-Dicyclopentadien

Conditions
ConditionsYield
In cyclohexane at 119.84℃; for 2h; Diels-Alder Cycloaddition;100%
cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

acrolein
107-02-8

acrolein

(+/-)-endo-bicyclo[2.2.1]hept-5-ene-2-carbaldehyde
19926-90-0

(+/-)-endo-bicyclo[2.2.1]hept-5-ene-2-carbaldehyde

Conditions
ConditionsYield
With trityl tetrafluoroborate In dichloromethane at 20℃; for 16h; Diels-Alder Cycloaddition;100%
With methyltrioxorhenium(VII) In chloroform for 1h; Ambient temperature;90%
With 1-ethyl-3-methyl-1H-imidazol-3-ium chloride at 20℃; for 0.166667h; Diels-Alder reaction;88%
maleic anhydride
108-31-6

maleic anhydride

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride
129-64-6

3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride

Conditions
ConditionsYield
With 3-(n-butoxycarbonyl)-1-methylpyridinium bis(trifluoromethanesulfonyl)imide at 20℃; for 0.166667h; Diels-Alder reaction; diastereoselective reaction;100%
With 1-hexyl-3-methylimidazolium tetrafluoroborate; K-10 montmorillonite at 20℃; for 0.0833333h; Diels-Alder reaction;99%
In dichloromethane at 0 - 20℃; for 10h; Diels-Alder Cycloaddition; Inert atmosphere;98%
N-phenyl-maleimide
941-69-5

N-phenyl-maleimide

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

N-phenylbicyclo[2.2.1]hept-5-ene-2-endo,3-endo-dicarboximide
26234-46-8, 29377-36-4, 56552-68-2

N-phenylbicyclo[2.2.1]hept-5-ene-2-endo,3-endo-dicarboximide

Conditions
ConditionsYield
In neat (no solvent) at 20℃; for 0.0166667h; Diels-Alder Cycloaddition;100%
With 1-hexyl-3-methylimidazolium tetrafluoroborate; K-10 montmorillonite at 20℃; for 0.0833333h; Diels-Alder reaction;99%
With 3-(n-butoxycarbonyl)-1-methylpyridinium bis(trifluoromethanesulfonyl)imide at 20℃; for 0.166667h; Diels-Alder reaction; diastereoselective reaction;97%
1,3-diacetyl-2,3-dihydro-1H-imidazol-2-one
20212-13-9

1,3-diacetyl-2,3-dihydro-1H-imidazol-2-one

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

(3aα,4α,7α,7aα)-1,3-diacetyl-1,3,3a,4,7,7a-hexahydro-4,7-methano-2H-benzimidazol-2-one
78932-02-2

(3aα,4α,7α,7aα)-1,3-diacetyl-1,3,3a,4,7,7a-hexahydro-4,7-methano-2H-benzimidazol-2-one

Conditions
ConditionsYield
at 140℃; for 24h; Diels-Alder reaction;100%
at 140℃; for 24h; Diels-Alder Cycloaddition; Sealed tube;98.6%
In xylene at 180℃; selaed tube;69%
formaldehyd
50-00-0

formaldehyd

benzylamine hydrochloride
3287-99-8, 39110-74-2

benzylamine hydrochloride

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

N-benzyl-2-azanorborn-5-ene
112375-05-0

N-benzyl-2-azanorborn-5-ene

Conditions
ConditionsYield
In water100%
In water at 20℃; for 3h;73%
In water for 3h; Ambient temperature; Yield given;
In water for 16h; Ambient temperature;6.69 g
In water at 20℃; for 3h;
1-(chloromethyl)maleic anhydride
41702-49-2

1-(chloromethyl)maleic anhydride

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

(1S,2S,6S,7R)-2-Chloromethyl-4-oxa-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
143668-21-7

(1S,2S,6S,7R)-2-Chloromethyl-4-oxa-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione

Conditions
ConditionsYield
In diethyl ether 1) 0.5 h, reflux, 2) RT, 3 h;100%
2,3-Dimethoxy-5-methyl-1,4-benzoquinone
605-94-7

2,3-Dimethoxy-5-methyl-1,4-benzoquinone

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

4,5-dimethoxy-2-methyltricyclo<6.2.1.02,7>undeca-4,9-diene-3,6-dione

4,5-dimethoxy-2-methyltricyclo<6.2.1.02,7>undeca-4,9-diene-3,6-dione

Conditions
ConditionsYield
In dichloromethane for 96h; Ambient temperature;100%
4-oxopent-2-ynoic acid methyl ester
41726-06-1

4-oxopent-2-ynoic acid methyl ester

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

3-Acetyl-bicyclo[2.2.1]hepta-2,5-diene-2-carboxylic acid methyl ester
148042-65-3

3-Acetyl-bicyclo[2.2.1]hepta-2,5-diene-2-carboxylic acid methyl ester

Conditions
ConditionsYield
In dichloromethane for 18h;100%
trifluoromethyldiiodophosphine
421-59-0

trifluoromethyldiiodophosphine

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

2,3-Bis-trifluoromethyl-2,3-diphospha-bicyclo[2.2.1]hept-5-ene
104927-58-4

2,3-Bis-trifluoromethyl-2,3-diphospha-bicyclo[2.2.1]hept-5-ene

Conditions
ConditionsYield
With tin(ll) chloride In tetrahydrofuran100%
1,1-bis(trichlorosilyl)ethylene
684-18-4

1,1-bis(trichlorosilyl)ethylene

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

5,5-Bis-trichlorosilanyl-bicyclo[2.2.1]hept-2-ene
120852-93-9

5,5-Bis-trichlorosilanyl-bicyclo[2.2.1]hept-2-ene

Conditions
ConditionsYield
at 60 - 70℃; for 3h;100%
5-hydroxynaphtho-1,4-quinone
481-39-0

5-hydroxynaphtho-1,4-quinone

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

(1R*,4S*,4aR*,9aS*)-1,4,4a,9a-tetrahydro-5-hydroxy-1,4-methano-9,10-anthracenedione
163180-66-3

(1R*,4S*,4aR*,9aS*)-1,4,4a,9a-tetrahydro-5-hydroxy-1,4-methano-9,10-anthracenedione

Conditions
ConditionsYield
In chloroform for 0.5h; Ambient temperature;100%
In propan-1-ol at 25℃; Thermodynamic data; Rate constant; other solvents and their mixture with water; isobaric activation parameters;
In dichloromethane at 20℃; Reflux;
di-tert-butyl-diazodicarboxylate
870-50-8

di-tert-butyl-diazodicarboxylate

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

di-tert-butyl 2,3-diazabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate
39203-22-0

di-tert-butyl 2,3-diazabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylate

Conditions
ConditionsYield
In dichloromethane at 0℃;100%
In diethyl ether for 48h; Ambient temperature;94%
In dichloromethane Inert atmosphere;89%
In dichloromethane89%
In diethyl ether at 0℃; for 12h;
styrylphosphonic acid
1707-08-0

styrylphosphonic acid

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

(3-phenylbicyclo<2.2.1>hept-5-en-2-yl)phosphonic acid

(3-phenylbicyclo<2.2.1>hept-5-en-2-yl)phosphonic acid

Conditions
ConditionsYield
In diethyl ether for 72h; Ambient temperature;100%
In diethyl ether at 20℃; for 48h;91.5%
2-benzylcyclohexa-2,5-diene-1,4-dione
38940-10-2

2-benzylcyclohexa-2,5-diene-1,4-dione

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

rel-(1S,4R,4aS,8aR)-6-benzyl-1,4,4a,8a-tetrahydro-1,4-methanonaphthalene-5,8-dione
100848-86-0, 117893-87-5

rel-(1S,4R,4aS,8aR)-6-benzyl-1,4,4a,8a-tetrahydro-1,4-methanonaphthalene-5,8-dione

Conditions
ConditionsYield
for 0.416667h; Ambient temperature;100%
In methanol at 25℃; Diels-Alder reaction;82%
2,3-dichloro-1,4-benzoquinone
5145-42-6

2,3-dichloro-1,4-benzoquinone

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

4,5-dichlorotricyclo<6.2.1.02,7>undeca-4,9-diene-3,6-dione
82253-62-1

4,5-dichlorotricyclo<6.2.1.02,7>undeca-4,9-diene-3,6-dione

Conditions
ConditionsYield
In diethyl ether at 20℃; for 5h; Diels-Alder reaction;100%
In benzene Yield given;
In benzene Diels-Alder Cycloaddition;
1,2-dichloro-1,2-dicyanoethylene
85278-93-9

1,2-dichloro-1,2-dicyanoethylene

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

2,3-Dichloro-bicyclo[2.2.1]hept-5-ene-2,3-dicarbonitrile
86165-09-5

2,3-Dichloro-bicyclo[2.2.1]hept-5-ene-2,3-dicarbonitrile

Conditions
ConditionsYield
In dichloromethane at 25℃; for 72h;100%
2,3-Dichloro-5-methyl-2,5-cyclohexadiene-1,4-dione
30685-19-9

2,3-Dichloro-5-methyl-2,5-cyclohexadiene-1,4-dione

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

(1α,4α,4aβ,8aβ)-6,7-Dichloro-1,4,4a,8a-tetrahydro-4a-methyl-1,4-methanonaphthalene-5,8-dione

(1α,4α,4aβ,8aβ)-6,7-Dichloro-1,4,4a,8a-tetrahydro-4a-methyl-1,4-methanonaphthalene-5,8-dione

Conditions
ConditionsYield
In methanol for 2h;100%
Oxo-(4-phenylazo-phenylamino)-dithioacetic acid methyl ester
104688-95-1

Oxo-(4-phenylazo-phenylamino)-dithioacetic acid methyl ester

cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

(1R,4S)-3-Methylsulfanyl-2-thia-bicyclo[2.2.1]hept-5-ene-3-carboxylic acid (4-phenylazo-phenyl)-amide
110968-47-3

(1R,4S)-3-Methylsulfanyl-2-thia-bicyclo[2.2.1]hept-5-ene-3-carboxylic acid (4-phenylazo-phenyl)-amide

Conditions
ConditionsYield
In chloroform Heating;100%
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