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
Cas:142-29-0
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Product Name Cyclopentene Synonyms 1-Cyclopentene;Cyclopenten;CYCLOPENTENE, STAB.;Cyclopentene, tech., ca 90%;Cyclopcnten;Cyclopentene, 98+%;Cyclopentene, ca 90%, tech;Cyclopentene, tech.
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Cas:142-29-0
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inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:142-29-0
Min.Order:10 Gram
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inquiryHangzhou 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
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
Cas:142-29-0
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inquiryJ&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
Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
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
Cas:142-29-0
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inquirySuperior quality Appearance:colourless liquid with a petrol-like odour Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Inte
We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:142-29-0
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inquirySynonyms: 1-Cyclopentene;Cyclopenten;CYCLOPENTENE, STAB.;Cyclopentene, tech., ca 90%;Cyclopcnten;Cyclopentene, 98+%;Cyclopentene, ca 90%, tech;Cyclopentene, tech. CAS: 142-29-0 MF: C5H8 MW: 68.12 EINECS: 205-532-9 Product Categories: Pharmaceu
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inquiryhigh 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
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air
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Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Hangzhou ZeErRui Chemical Co., Ltd is a high-tech company specialized in R&D, production, sales and technical service of fine chemicals and customize chemicals. We are the professional cycloaliphatic epoxides supplier in China; The main product
Cas:142-29-0
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inquiryProduct Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:142-29-0
Min.Order:1 Kilogram
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inquiryAnsciep 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
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CyclopenteneAppearance:detailed see specifications Storage:Store in dry, dark and ventilated place Package:according to the clients requirement Application:Alkenes;Cyclic;Organic Building Blocks;Chemical Synthesis;Ketones;Heterocycle-Pyrimidine serie
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
Cas:142-29-0
Min.Order:10 Milligram
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inquiryConditions | Yield |
---|---|
With sodium amalgam; chiral Co(II) In tetrahydrofuran-d8 at 20℃; for 6h; deoxygenation; | 100% |
With triphenylphosphine at 200℃; for 8.5h; | 59% |
With trifluoroacetic acid; selenobenzamide In dichloromethane at 20℃; for 30h; Mechanism; With other reagents are dicussed.; | 85 % Chromat. |
A
Cyclopentyl bromide
B
thianthrene-5-oxide
C
cyclopentene
D
Thianthrene
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium bromide Product distribution; Substitution; elimination; | A 89% B 100% C 1.5% D 3.5% |
Conditions | Yield |
---|---|
With hydrogen; palladium In methanol at 30℃; under 760 Torr; Rate constant; Product distribution; Thermodynamic data; mechanism of reaction, var. solvents, var. amount of catalyst, var. catalysts, var. conc., var. pressure, eq. constants, activation energy; | 97.1% |
With hydrogen; Ruthenium deposition on Pd/Cu at 199.9℃; Rate constant; effect of catalyst content on the rate on the yield; | 3% |
With hydrogen; ruthenium at 49.9℃; under 140 Torr; Product distribution; variation of temperature; |
C17H17N3O8S2
A
(4-nitro-N-((4-nitrophenyl)sulfonyl)benzenesulfonamide)
B
cyclopentene
Conditions | Yield |
---|---|
In neat (no solvent) at 175℃; for 0.5h; | A 95% B 90% |
Conditions | Yield |
---|---|
tert-butylhydroquinone In diphenylether at 215℃; for 2.58333h; Product distribution / selectivity; | 94.19% |
Conditions | Yield |
---|---|
With nickel(II) oxide; 1-methyl-2-nitrobenzene; oxalic acid at 280 - 310℃; for 3.16667h; Temperature; | 92% |
With 5,6,8,9-tetrahydro-7-phenyldibenzoxanthenylium tetrafluoroborate In dichloromethane at 20℃; for 27h; |
Conditions | Yield |
---|---|
With formic acid at 20 - 240℃; Inert atmosphere; | 86% |
cyclopentene
Conditions | Yield |
---|---|
With n-butyllithium In diethyl ether; pentane 1.) -78 deg C; 2.) 25 deg C over 1 h; | 85% |
With n-butyllithium | 85% |
Conditions | Yield |
---|---|
With [i-PrNDI]Ni2(C6H6); 1,3,5-trimethyl-benzene In benzene for 24h; Reagent/catalyst; Inert atmosphere; Glovebox; regioselective reaction; | 83% |
at 526.9℃; Rate constant; pyrolysis, other temperature; | |
at 341.2℃; under 485 - 500 Torr; Rate constant; Mechanism; | |
at 303.9 - 780.9℃; Kinetics; |
n-decyl acetate
A
1-hexene
B
1-Decene
C
1,2-dimethylcyclopentane
D
1-Butyl-2-methylcyclopropane
E
1-Methyl-2-pentylcyclopropane
F
cyclopentene
Conditions | Yield |
---|---|
at 495℃; for 0.00727778h; Rate constant; Product distribution; various temp., also in toluene, also with 14C-labelled ester; | A 1.03% B 81.3% C 1.91% D 1.2% E 0.497% F 0.45% |
Conditions | Yield |
---|---|
With 1-chloro-1-(dimethylamino)-2-methyl-1-propene In dichloromethane 1.) 0 deg C; 2.) rt., 3h; | A 80% B n/a |
With 1-chloro-1-(dimethylamino)-2-methyl-1-propene In dichloromethane 1.) 0 deg C; 2.)rt., 3h; | |
With bismuth(III) chloride In tetrachloromethane for 1.5h; Heating; |
Conditions | Yield |
---|---|
at 178℃; under 200 Torr; Mechanism; | 78% |
A
thianthrene-5-oxide
B
cyclopentyl iodide
C
cyclopentene
D
Thianthrene
Conditions | Yield |
---|---|
With potassium iodide In acetonitrile for 2h; Product distribution; Substitution; elimination; | A 78% B 55% C 21% D 19% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 70℃; for 72h; Glovebox; | A 75% B n/a C n/a |
Conditions | Yield |
---|---|
With tetra-n-propylammonium bromide In N,N-dimethyl-formamide electrolytic reduction: platinum electrodes; reference: Ag wire. cathode and anode separated by a membrane; | A 71% B 15% |
2-(cyclopentyloxy)tropone
A
2-hydroxy-2,4,6-cycloheptatrien-1-one
B
cyclopentene
Conditions | Yield |
---|---|
In dimethylsulfoxide-d6 at 180℃; for 2h; | A n/a B 70% |
In dimethyl sulfoxide at 180℃; for 8h; |
Conditions | Yield |
---|---|
With hydrogen sulfide at 600℃; | A 12% B 59% |
With silica-supported tetrakis(triphenylphosphite)platinum(0)-derived nanocatalyst In benzene at 600℃; | A 58.1% B 2.2% |
penta-1,3-diene
A
Cyclopentane
B
cyclopenta-1,3-diene
C
cyclopentene
Conditions | Yield |
---|---|
With silica-supported tetrakis(triphenylphosphine)platinum(0)-derived nanocatalyst In benzene at 600℃; | A 0.1% B 53.6% C 4.7% |
Cyclopentyl bromide
A
Cyclopentane
B
bicyclopentyl
C
cyclopentene
D
cyclopentylmagnesium bromide
Conditions | Yield |
---|---|
With magnesium In diethyl ether at 0℃; Mechanism; Rate constant; reaction rate dependence on angular velocity of disk, solution viscosity; | A 13 % Chromat. B 21 % Chromat. C 13 % Chromat. D 50% |
cyclopentyl chloride
water-d2
A
monodeuterocyclopentane
B
cyclopentene
Conditions | Yield |
---|---|
Stage #1: cyclopentyl chloride With magnesium In tetrahydrofuran for 1h; Reflux; Inert atmosphere; Stage #2: water-d2 In tetrahydrofuran at 0℃; Inert atmosphere; | A 50% B n/a |
pentane
A
methylbutane
B
hexane
C
Cyclopentane
D
cyclopenta-1,3-diene
E
cyclopentene
F
benzene
Conditions | Yield |
---|---|
With hydrogen; Platinum-copper at 334.9℃; Product distribution; various temp. and percent Pt; | A 1% B n/a C 49.2% D 25.9% E 15.1% F n/a G n/a |
cyclopentylmagnesium bromide
A
Cyclopentane
B
bicyclopentyl
C
cyclopentene
Conditions | Yield |
---|---|
With copper dichloride In diethyl ether at 0℃; | A 46% B 1% C 42% |
Conditions | Yield |
---|---|
With hydrogen; silica gel; palladium at 330℃; | A n/a B 45% |
With hydrogen; silica gel; palladium at 330℃; | A 40% B n/a |
endo-1,4-Dimethyl-2,3,9-trioxatricyclo<4.2.1.15,8>decane
A
1-(cyclopent-3-en-1-yl)ethanone
B
cis-1,3-Diacetylcyclopentane
C
acetic anhydride
D
acetic acid
E
cyclopentene
Conditions | Yield |
---|---|
In chloroform-d1 at 55℃; for 40h; Mechanism; | A 28% B 32% C 4% D 33% E 2% |
In pentane at -20℃; for 7.5h; Mechanism; Irradiation; | A 23% B 8% C 4% D 25% E 3% |
cis-1,2-cyclopentanediol
A
Cyclopentane
trans-cyclopentane-1,2-diol
C
cyclopentene
Conditions | Yield |
---|---|
With hydrogen In 1,4-dioxane at 139.84℃; under 60006 Torr; for 24h; | A 32% B 11% C 6% |
Cyclopentene oxide
A
Cyclopentanol
B
(+)-(R)-2-cyclopentene-1-ol
C
(-)-(S)-2-cyclopenten-1-ol
D
cyclopentanone
E
cyclopentene
Conditions | Yield |
---|---|
With ammonium chloride; hydroxocobalamine hydrochloride; zinc In methanol for 96h; Product distribution; Equilibrium constant; Kinetics; Ambient temperature; dark, isomerization, different solvents (also deuterated ones), different temperatures, ΔH(excit.), ΔS(excit.); | A 0.5% B n/a C n/a D 5.5% E 30% |
isobutene
A
1-butylene
B
(Z)-2-Butene
C
2-methyl-but-2-ene
D
Z-piperylene
E
1-methylbuta-1,3-diene
F
propene
G
methane
H
trans-2-Butene
I
(Z)-pent-2-ene
J
(E)-pent-2-ene
K
ethane
L
propane
M
Isobutane
N
methylbutane
O
ethene
P
1-penten
Q
Cyclopentane
R
2-Methyl-1-butene
S
3-Methyl-1-butene
T
cyclopentene
U
n-butane
V
pentane
Conditions | Yield |
---|---|
CBV1502 at 579.84℃; under 900.09 Torr; Product distribution / selectivity; | A 2.6% B 2.4% C 1.29% D 0.05% E 0.03% F 24.95% G 0.73% H 3.19% I 0.32% J 0.58% K 0.36% L 2.08% M 2.15% N 0.34% O 9.61% P 0.23% Q 0.4% R 0.71% S 0.14% T 0.14% U 1.8% V 0.16% |
CBV28014 at 509.84℃; under 900.09 Torr; Product distribution / selectivity; | A 6.71% B 7.3% C 5.62% D 0.02% E 0.03% F 23.29% G 0.09% H 9.97% I 1.1% J 2.06% K 0.07% L 1.24% M 1.95% N 0.59% O 3.25% P 0.7% Q 0.31% R 2.72% S 0.47% T 0.21% U 1.37% V 0.26% |
Conditions | Yield |
---|---|
With silica-supported tetrakis(triphenylphosphine)platinum(0)-derived nanocatalyst In benzene at 600℃; | A 0.3% B 21.4% C 2.7% |
With silica-supported tetrakis(triphenylphosphite)platinum(0)-derived nanocatalyst In benzene at 600℃; | A 2.1% B 6% C 1.2% |
With platinum on alumina In water at 600℃; | A 0.1% B 1.4% C 0.1% |
With hydrogen at 575℃; under 3087.28 Torr; for 15h; Overall yield = 32 percent; |
1,4-Pentadiene
A
1-methylbuta-1,3-diene
B
ethenylcyclopropane
C
cyclopenta-1,3-diene
D
buta-1,3-diene
E
cyclopentene
Conditions | Yield |
---|---|
Product distribution; Mechanism; Plasmolysis (40 W, 3.48mmol/min, 13.56 MHz); | A n/a B 5% C 21% D n/a E 18% |
Conditions | Yield |
---|---|
With [NiII(tetrakis(2,6-di(n-butoxy)phenyl)porphyrinato)]; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; for 0.166667h; Inert atmosphere; Schlenk technique; | 100% |
With dihydrogen peroxide; teterabutylammonium In acetonitrile at 31.85℃; for 3h; | 99% |
With tert.-butylhydroperoxide In acetonitrile at 65 - 68℃; for 9h; | 99% |
Conditions | Yield |
---|---|
With zinc(II) tetrahydroborate; dihydrogen peroxide In acetonitrile for 0.166667h; Mechanism; Ambient temperature; | 100% |
With zinc(II) tetrahydroborate; dihydrogen peroxide In acetonitrile for 0.166667h; Ambient temperature; | 100% |
With lithium borohydride; alkaline H2O2; ethyl acetate | 94% |
Conditions | Yield |
---|---|
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℃; |
Conditions | Yield |
---|---|
With oxygen; palladium(II) sulfate; PdSO4-H3PMo6W6O40 In cyclohexane; water at 30℃; for 6h; | 100% |
With oxygen; H3PMo6W6O40 In cyclohexane; water at 29.9℃; under 760 Torr; for 6h; | 100% |
With palladium(II) sulfate; oxygen; H3PMo6W6O40 In cyclohexane; water at 29.9℃; under 760 Torr; for 6h; Product distribution; Rate constant; other time, other Pd(II) salt, other concentration of catalyst; | 100% |
Conditions | Yield |
---|---|
With N-Bromosuccinimide at 0℃; for 1h; | 100% |
With N-Bromosuccinimide In dichloromethane 1.) -20 deg C, 2 h, 2.) 15 deg C; | 70% |
Conditions | Yield |
---|---|
With dibenzoyl peroxide at 90℃; for 10h; | 100% |
methyl (2E)-3-bromoacrylate
cyclopentene
3-Cyclopent-2-en-(Z)-ylidene-propionic acid methyl ester
Conditions | Yield |
---|---|
With palladium diacetate; tetrabutyl-ammonium chloride; potassium acetate In N,N-dimethyl-formamide at 25℃; for 24h; | 100% |
cyclopentene
Conditions | Yield |
---|---|
With sodium azide; Iodine monochloride In acetonitrile 1.) -20 deg C, 30 min; 2.) up to RT, 10 h; | 100% |
With sodium azide; iodine In tetrahydrofuran; methanol; water at 20 - 25℃; for 3h; | 74% |
cyclopentene
4-Aza-2-oxo-1-oxaspiro<5.4>dec-3-ene 4-oxide
Conditions | Yield |
---|---|
at 30℃; under 6000480 Torr; for 48h; | 100% |
cyclopentene
(5R,6S,9R)-6-isopropyl-9-methyl-2-oxo-4-aza-1-oxaspiro[5.4]dec-3-ene 4-oxide
(3R,5aR,8aR,8bS,1'R,4'S)-1-oxo-1,5a,8a,8b-tetrahydrocyclopent[f]isoxazolo[2,3-c]oxazole-3-spiro-3'-menthane
Conditions | Yield |
---|---|
at 30℃; under 6000480 Torr; for 72h; | 100% |
(2,6-(C6H3But)2pyridine)Au(CF3CO2)
tris(pentafluorophenyl)borate
cyclopentene
[(2,6-bis(4-tBuC6H3)2pyridine dianion)Au(eta2-cyclopentene)][CF3COOB(C6F5)4]
Conditions | Yield |
---|---|
In dichloromethane-d2 at -78 - -40℃; | 100% |
Conditions | Yield |
---|---|
With C55H88ClN3P2Ru In dichloromethane-d2 at 50℃; under 3040.2 Torr; for 3h; Reagent/catalyst; Time; | 100% |
Conditions | Yield |
---|---|
With iodine In dichloromethane; water at 20℃; | 100% |
cyclopentene
Conditions | Yield |
---|---|
With selenium(II) chloride In dichloromethane at -78 - 20℃; for 5h; stereoselective reaction; | 100% |
cyclopentene
Conditions | Yield |
---|---|
With selenium dibromide In dichloromethane at -78 - 20℃; for 5h; stereoselective reaction; | 100% |
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 1h; | 100% |
Conditions | Yield |
---|---|
In not given | 99.5% |
In not given | 99.5% |
Conditions | Yield |
---|---|
With 0.42C23H20N4O4*2Cl(1-)*Zn(2+)*10.16H2O*0.58Pd(2+)*0.58C23H20N4O4(1-); hydrogen In tetrahydrofuran at 20℃; under 760.051 Torr; for 1h; | 99% |
With C22H34FeO2Si4; hydrogen In toluene at 20℃; for 6h; Inert atmosphere; Schlenk technique; | 99% |
With C40H56FeN2Si4(2-); hydrogen In 1,2-dimethoxyethane at 80℃; under 7600.51 Torr; for 2h; Schlenk technique; Autoclave; | 99% |
Conditions | Yield |
---|---|
With 1H-imidazole; sodium periodate; MnCl-TPP-(PEO750)4 In water; acetonitrile at 20℃; for 24h; | 99% |
With W-MCM41; dihydrogen peroxide In tert-butyl alcohol at 35℃; for 24h; | 71% |
With sodium periodate; water In 1,2-dichloro-ethane at 20℃; for 1h; | 70.9% |
Conditions | Yield |
---|---|
Stage #1: cyclopentene With bis(1,5-cyclooctadiene)diiridium(I) dichloride; bis(pinacol)diborane at 60℃; for 16h; Inert atmosphere; Stage #2: iodobenzene With palladium diacetate; triphenylphosphine; barium(II) hydroxide In tetrahydrofuran; water at 50℃; for 16h; Suzuki-Miyaura coupling; Inert atmosphere; regioselective reaction; | 99% |
at 20℃; Irradiation; |
Conditions | Yield |
---|---|
With tetrabutyl-ammonium chloride; potassium acetate; triphenylphosphine; palladium diacetate In N,N-dimethyl-formamide at 80℃; for 24h; | 99% |
tert-butyl 4-nitrobenzoperoxoate
cyclopentene
cyclopent-2-en-1-yl 4-nitrobenzoate
Conditions | Yield |
---|---|
Stage #1: cyclopentene With copper-boron encapsulated with (3-aminopropyl)trimethoxysilane grafted SBA-15 In acetonitrile at 25℃; for 0.5h; Stage #2: tert-butyl 4-nitrobenzoperoxoate In acetonitrile at 25℃; for 50h; Reagent/catalyst; | 99% |
With copper(I) triflate In acetonitrile at 20℃; for 13h; Reagent/catalyst; Sealed tube; Schlenk technique; Inert atmosphere; | 90% |
With Cu(CH3CN)4PF6 immobilized on halloysite, functionalized with ionic liquid and 2-aminopyrimidine In acetonitrile at 25℃; for 45h; Inert atmosphere; | 67% |
copper(I) bromide In acetonitrile at 45℃; for 72h; Oxidation; | 54% |
3,5-diphenyl-1,2,4-oxadiazole-4-oxide
cyclopentene
Conditions | Yield |
---|---|
In methanol Irradiation; | 99% |
In methanol at 20℃; for 5h; Irradiation; | 94% |
Conditions | Yield |
---|---|
With copper(l) iodide; C39H52Cl2N2O3Ru In diethyl ether at 35℃; for 16h; Cross Metathesis; Inert atmosphere; | 99% |
Hoveyda-Grubbs catalyst second generation In dichloromethane at 45℃; for 6h; | 86% |
Conditions | Yield |
---|---|
With diethylzinc In hexane; acetonitrile at -20℃; for 16h; Schlenk technique; Inert atmosphere; | 99% |
With sodium dithionite; sodium hydrogencarbonate In acetonitrile at 20℃; for 6h; | 75% |
(1R,2S,7R,8S)-1,11,11-Trimethyl-6-oxy-3-oxa-6-aza-tricyclo[6.2.1.02,7]undec-5-en-4-one
cyclopentene
C17H25NO3
Conditions | Yield |
---|---|
In toluene at 30℃; for 46h; | 99% |
(1S,2R,7S,8R)-8,11,11-Trimethyl-6-oxy-3-oxa-6-aza-tricyclo[6.2.1.02,7]undec-5-en-4-one
cyclopentene
Conditions | Yield |
---|---|
In toluene at 30℃; for 25h; | 99% |
carbon monoxide
phenylhydrazine
cyclopentene
N-cyclopentylmethylene-N'-phenylhydrazine
Conditions | Yield |
---|---|
With hydrogen; toluene-4-sulfonic acid; acetylacetonatodicarbonylrhodium(l) In tetrahydrofuran at 100℃; under 52504.2 Torr; for 72h; | 99% |
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