CAS No.693-89-0,1-Methylcyclopentene Suppliers,MSDS download

: 1528-30-9
methylenecyclopentane

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
In liquid sulphur dioxide Ambient temperature;	99%
With bromine chloride	67 % Spectr.
With (allylsulfonyl)benzene In Cyclohexane-d12; toluene at 130℃; for 36.5h; Product distribution; Further Variations:; Reagents; Solvents; Temperatures;	95 % Spectr.
With diphenyl disulfone In chloroform-d1 at 80℃; for 1h; Kinetics;

: 917-54-4
methyllithium

: 120-92-3
cyclopentanone

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
Stage #1: methyllithium; cyclopentanone at -10 - 0℃; for 0.5h; Stage #2: With toluene-4-sulfonic acid In 1,2-dichloro-ethane Reflux;	96%
With acid

: 1462-03-9
1-methylcyclopentanol

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
	95%
With iodine; oxalic acid	87%
With iodine Erhitzen des erhaltenen Gemisches von 1-Methyl-cyclopenten und Methylencyclopentan mit Essigsaeure und wenig Toluol-4-sulfonsaeure;

: 917-64-6
methyl magnesium iodide

: 120-92-3
cyclopentanone

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
Stage #1: methyl magnesium iodide; cyclopentanone In diethyl ether for 1h; Heating; Stage #2: With iodine In toluene for 3h; Heating;	94%
In diethyl ether for 3h; Ambient temperature;	34.8%
2) dehydration; Yield given. Multistep reaction;

: 75-16-1
methylmagnesium bromide

: 120-92-3
cyclopentanone

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
In diethyl ether for 1h;	87%

: 30043-41-5
(hex-5-enyl)magnesium bromide

A: 693-89-0
1-methylcyclopent-1-ene

B Bis(η5-cyclopentadienyl)(η3-hexenyl)titan, 16percent: Bis(η5-cyclopentadienyl)(η3-hexenyl)titan, 16percent

Conditions

Conditions	Yield
With isopropylmagnesium bromide; bis(cyclopentadienyl)titanium dichloride In diethyl ether at 36℃; for 5h;	A 66% B n/a

: 115-10-6
Dimethyl ether

: 142-29-0
cyclopentene

A butene isomers; C7 isomers (dimethylcyclopentenes); C6 isomers (methylcyclopentenes); pentene isomers; mixture of: butene isomers; C7 isomers (dimethylcyclopentenes); C6 isomers (methylcyclopentenes); pentene isomers; mixture of

B: 187737-37-7
propene

C: 74-85-1
ethene

D: 693-89-0
1-methylcyclopent-1-ene

E: 71-43-2
benzene

Conditions

Conditions	Yield
MFI280 zeolite at 400℃; under 750.075 Torr; for 20h; Product distribution / selectivity; Gas phase;	A 59.5% B 22.9% C 6% D 9.5% E 2.1%
MTT47 zeolite at 400℃; under 750.075 Torr; for 20h; Product distribution / selectivity; Gas phase;	A 52.2% B 6.7% C 1.4% D 39.3% E 0.4%

...Expand

: 110-83-8
cyclohexene

A: 110-54-3
hexane

B: 96-37-7
methyl-cyclopentane

C: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
ultrastabilized Y zeolite at 350℃; for 0.0333333h;	A 5.6% B 57.7% C 8.3%

...Expand

: 592-42-7
1,5-Hexadien

A: 5194-50-3
(E,Z)-2,4-hexadiene

B: 7319-00-8
(E)-1,4-hexadiene

C: 1528-30-9
methylenecyclopentane

D: 693-89-0
1-methylcyclopent-1-ene

E Bis(η5-cyclopentadienyl)(η3-hexenyl)titan, 76 percent: Bis(η5-cyclopentadienyl)(η3-hexenyl)titan, 76 percent

Conditions

Conditions	Yield
With isopropylmagnesium bromide; bis(cyclopentadienyl)titanium dichloride In diethyl ether at 20℃; for 3h; Further byproducts given. Yields of byproduct given;	A n/a B n/a C n/a D 57% E n/a

...Expand

: 110-83-8
cyclohexene

A: 1528-30-9
methylenecyclopentane

B: 693-89-0
1-methylcyclopent-1-ene

C: 1120-62-3
3-methyl-1-cyclopentene

Conditions

Conditions	Yield
ultrastabilized Y zeolite at 450℃; for 1h;	A 1.7% B 54.4% C 9.9%

...Expand

: 110-83-8
cyclohexene

A: 693-89-0
1-methylcyclopent-1-ene

B: 1759-81-5
4-methylcyclopentene

C: 1120-62-3
3-methyl-1-cyclopentene

Conditions

Conditions	Yield
ultrastabilized Y zeolite at 450℃; for 1h;	A 54.4% B 4.9% C 9.9%
aluminum hydroxide contg. TiO2 and Na2O at 350℃; Kinetics;
With hydrogenchloride; water In decalin at 225℃; for 49h; Product distribution; Mechanism; in sealed tube; also with DCl/D2O, deuteration investigated; also at 175 deg C;	A 45.2 % Chromat. B n/a C n/a

...Expand

: 110-83-8
cyclohexene

A: 110-54-3
hexane

B: 1528-30-9
methylenecyclopentane

C: 96-37-7
methyl-cyclopentane

D: 693-89-0
1-methylcyclopent-1-ene

E: 1759-81-5
4-methylcyclopentene

F: 1120-62-3
3-methyl-1-cyclopentene

Conditions

Conditions	Yield
ultrastabilized pprotonic Y zeolite In gas at 350℃; for 1h; Product distribution; Kinetics; other temperatures, other products;	A 0.5% B 1.4% C 1% D 19.6% E 1.8% F 3.6%

...Expand

: 50-70-4
D-sorbitol

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
With formaldehyd; ruthenium (III) bromide; hydrogen bromide; hydrogen; tetrabutyl phosphonium bromide In water at 200℃; under 30003 Torr; for 8h;	13%

: 50-70-4
D-sorbitol

A: 693-89-0
1-methylcyclopent-1-ene

B: 142-62-1
hexanoic acid

Conditions

Conditions	Yield
With formaldehyd; ruthenium (III) bromide; hydrogen bromide; hydrogen; tetrabutyl phosphonium bromide In water at 200℃; under 30003 Torr; for 8h;	A 12% B 7%

: 91-22-5
quinoline

: 19872-99-2
1-bromo-1-methyl-cyclopentane

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
at 190 - 200℃;

: 917-64-6
methyl magnesium iodide

: 6196-85-6
1-chloro-1-methylcyclopentane

A: 1638-26-2
1,1-Dimethylcyclopentane

B: 693-89-0
1-methylcyclopent-1-ene

...Expand

: 19872-99-2
1-bromo-1-methyl-cyclopentane

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
With quinoline at 190 - 200℃;
With 1,3,5-triphenylverdasyl at 25℃; Rate constant; other solvents;
In ethanol at 25℃; Kinetics; Further Variations:; Solvents;

: 6196-85-6
1-chloro-1-methylcyclopentane

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
With water at 35℃;
With quinoline at 160 - 190℃;
With sodium hydroxide In water at 20℃; for 2h; Dehydrochlorination; elimination;
With 1,3,5-triphenylverdazyl In acetonitrile at 25℃; Kinetics; Further Variations:; Solvents; Temperatures;
With 1,3,5-triphenylverdazyl In methanol at 25℃; Kinetics; Further Variations:; Solvents;

: 6196-85-6
1-chloro-1-methylcyclopentane

A: 693-89-0
1-methylcyclopent-1-ene

B: 1462-03-9
1-methylcyclopentanol

Conditions

Conditions	Yield
With water In ethanol at 30℃; Rate constant; solvolysis reaction;
With calcium hydroxide; water at 35℃;

: 26600-59-9
1-methylcyclopentyl acetate

A: 1528-30-9
methylenecyclopentane

B: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
at 450℃;

: 26600-59-9
1-methylcyclopentyl acetate

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
at 450℃;

: 18729-48-1
3-methylcyclopentanol

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
With sulfuric acid

: 53501-51-2
1-chloro-2-methyl-cyclopentane

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
With quinoline at 160 - 190℃;

: 26600-49-7
cyclopentylmethyl acetate

A: 1528-30-9
methylenecyclopentane

B: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
at 450 - 570℃;

: 859181-91-2
1-methyl-cyclopentanecarboxylic acid phenyl ester

A: 693-89-0
1-methylcyclopent-1-ene

B: 108-95-2
phenol

Conditions

Conditions	Yield
at 390℃; im Rohr;

: 1462-03-9
1-methylcyclopentanol

: 144-62-7
oxalic acid

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
at 90 - 120℃;

: 7515-29-9
cyclobutylmethylcarbinol

: 144-62-7
oxalic acid

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
Erhitzen des Reaktionsprodukts mit Chinolin auf 190-200grad;

: 1462-03-9
1-methylcyclopentanol

: 104-15-4
toluene-4-sulfonic acid

: 693-89-0
1-methylcyclopent-1-ene

: 82166-21-0
methyl cyclohexane

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
With chromium (III)-oxide-aluminium oxide contacts at 550℃;

: 110-83-8
cyclohexene

: 693-89-0
1-methylcyclopent-1-ene

Conditions

Conditions	Yield
at 200 - 300℃; Leiten ueber zuvor mit Phosphorsaeure behandeltes Kieselgur;
at 400 - 500℃; Leiten ueber γ-Aluminiumoxyd;

: 693-89-0
1-methylcyclopent-1-ene

: 123-38-6
propionaldehyde

: 81977-75-5
(methyl-2' cyclopentyl)-1 propanone-1

Conditions

Conditions	Yield
With dibenzoyl peroxide at 90℃; for 10h;	100%

: 693-89-0
1-methylcyclopent-1-ene

: 16240-42-9
1,2-epoxy-1-methylcyclopentane

Conditions

Conditions	Yield
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 5 - 20℃; Inert atmosphere;	99%
With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 24℃; for 4h;	84%
With gallium oxide; dihydrogen peroxide; acetonitrile at 89.84℃; for 4h; Sealed tube;	53%

: 693-89-0
1-methylcyclopent-1-ene

: trifluoromethylpyruvate

: 1198746-23-4
(R)-methyl 2-(cyclopentenylmethyl)-3,3,3-trifluoro-2-hydroxypropanoate

Conditions

Conditions	Yield
With 2,6-bis[(3aR,8aS)-3a,8a-dihydro-8H-indeno[1,2-d]oxazolin-2-yl]pyridine; indium(III) chloride; silver hexafluoroantimonate In 1,2-dichloro-ethane at 20℃; Ionic liquid; Molecular sieve; optical yield given as %ee; enantioselective reaction;	98%

: 924-44-7
glyoxylic acid ethyl ester

: 693-89-0
1-methylcyclopent-1-ene

: 208242-85-7
ethyl (R)-3-(cyclopent-1-en-1-yl)-2-hydroxypropanoate

Conditions

Conditions	Yield
With 2,6-bis[(3aR,8aS)-3a,8a-dihydro-8H-indeno[1,2-d]oxazolin-2-yl]pyridine; silver hexafluoroantimonate; indium(III) chloride In 1,2-dichloro-ethane at 20℃; for 16h; Molecular sieve; Inert atmosphere; stereoselective reaction;	98%

: 91-01-0
1,1-Diphenylmethanol

: 693-89-0
1-methylcyclopent-1-ene

: 1352552-71-6
((2-methylcyclopent-1-enyl)methylene)dibenzene

Conditions

Conditions	Yield
With trifluorormethanesulfonic acid In ethylene dibromide at 60℃; Air atmosphere; regioselective reaction;	96%
With N-octadecyl-N-(4-sulfobutyl)pyrrolidinium trifluoromethanesulfonate In dichloromethane at 80℃; for 6h;	92%

: 693-89-0
1-methylcyclopent-1-ene

: 130575-06-3
2-Iodo-2-cyanopent-4-ynenitrile

: 141517-23-9
trans-Propargyl-(2-iodo-2-methylcyclopentyl)-malononitrile

Conditions

Conditions	Yield
In benzene at 80℃; for 24h;	95%

: 74-93-1
methylthiol

: 693-89-0
1-methylcyclopent-1-ene

: 19287-45-7
diborane

: bis(trans-2-methylcyclopentyl)(methylthio)borane

Conditions

Conditions	Yield
With air In tetrahydrofuran byproducts: methylcyclopentane; N2-atmosphere; treatment of B2H6 with olefin, addn. of MeSH (stirring), injecting small amt. of air (in two steps during 2 h), stirring for 12 h; evapn. of volatiles (reduced pressure), fractional distn. (reduced pressure);	95%

...Expand

: 693-89-0
1-methylcyclopent-1-ene

: 2700-22-3
Benzylidenemalononitrile

: C16H16N2

Conditions

Conditions	Yield
With 9-(2-mesityl)-10-methylacridinium perchlorate In 1,2-dichloro-ethane at 20℃; Irradiation; Green chemistry; regioselective reaction;	94%

: 201230-82-2
carbon monoxide

: 693-89-0
1-methylcyclopent-1-ene

: 20106-44-9
trans-2-Methylcyclopentanecarbaldehyde

Conditions

Conditions	Yield
With dicarbonylacetylacetonato rhodium (I); C37H50NO4P; hydrogen In toluene at 100℃; under 15001.5 Torr; for 12h; Autoclave; regioselective reaction;	92%

: 693-89-0
1-methylcyclopent-1-ene

: 151-10-0
1,3-Dimethoxybenzene

: 1258741-73-9
2,4-dimethoxy-1-(1-methylcyclopentyl)benzene

Conditions

Conditions	Yield
With calcium(II) bis(trifluoromethanesulfonyl)imide; tert-butylammonium hexafluorophosphate(V) In dichloromethane at 20℃; for 1h;	91%

: 34069-94-8
trichloro-acetyl bromide

: 693-89-0
1-methylcyclopent-1-ene

: 51284-43-6
7,7-dichloro-1-methylbicyclo[3.2.0]heptan-6-one

Conditions

Conditions	Yield
With zinc In diethyl ether Heating;	90%

: 693-89-0
1-methylcyclopent-1-ene

: 119741-57-0
5-cyano-1H-pyrazole-4-carboxylic acid, ethyl ester

: 119741-58-1
5-cyano-1-(1-methylcyclopentyl)-1H-pyrazole-4-carboxylic acid, ethyl ester

Conditions

Conditions	Yield
With sulfuric acid In dichloromethane; acetonitrile for 2h; Ambient temperature;	90%

: 693-89-0
1-methylcyclopent-1-ene

: 545-06-2
trichloroacetonitrile

: 97963-20-7
2,2,2-Trichloro-1-(2-methyl-cyclopent-2-enyl)-ethanone

Conditions

Conditions	Yield
With boron trifluoride; water In dichloromethane at -78℃;	90%

: 693-89-0
1-methylcyclopent-1-ene

: 114124-63-9
[Chloro-(3,4-dichloro-phenylsulfanyl)-methyl]-trimethyl-silane

: 1,2-Dichloro-4-[2-methyl-cyclopent-(E)-ylidenemethylsulfanyl]-benzene

Conditions

Conditions	Yield
With tin(IV) chloride In dichloromethane at -20℃; for 0.5h;	90%

: 693-89-0
1-methylcyclopent-1-ene

: 39947-48-3
(1S,2S)-trans-2-methylcyclopentanol

Conditions

Conditions	Yield
With (R,R)-C6H12BH2(1-)Li(1+)OEt2; methyl iodide In diethyl ether for 9.5h; Ambient temperature;	89%

: potassium iodomethyltrifluoroborate

: 693-89-0
1-methylcyclopent-1-ene

: 1-methylbicyclo[3.1.0]hexane

Conditions

Conditions	Yield
With dichlorobis(tri-O-tolylphosphine)palladium; potassium carbonate In N,N-dimethyl acetamide; ethylene glycol at 75℃; for 22h; Schlenk technique; Inert atmosphere; Sealed tube;	88%

: 693-89-0
1-methylcyclopent-1-ene

: 505-03-3
5-oxohexanal

Conditions

Conditions	Yield
Stage #1: 1-methylcyclopent-1-ene With ozone In dichloromethane at -78℃; Stage #2: With triphenylphosphine In dichloromethane at -78 - 20℃; for 10h;	87%
Stage #1: 1-methylcyclopent-1-ene With ozone In dichloromethane at -78 - 20℃; Stage #2: With dimethylsulfide In dichloromethane at 20℃; for 5h; Stage #3: With triphenylphosphine In dichloromethane at 20℃; for 5h; Further stages.;	87%
Stage #1: 1-methylcyclopent-1-ene With osmium(VIII) oxide; 4-methylmorpholine N-oxide; tert-butyl alcohol In acetone at 20℃; for 4h; Stage #2: With sodium periodate In water at 20℃; for 1h;	85%

: 693-89-0
1-methylcyclopent-1-ene

: 108-95-2
phenol

: 1562-25-0
4-(1-methylcyclopentan-1-yl)phenol

Conditions

Conditions	Yield
With zeolite-P at 80℃; for 3h;	86.4%
cationite KU-23 at 80℃; for 5h; Product distribution; other alkyl- and alkenylcyclenes; var. temp. and time;
cationite KU-23 at 80℃; for 5h;

: 75-11-6
diiodomethane

: 693-89-0
1-methylcyclopent-1-ene

: 4625-24-5
1-methylbicyclo[3.1.0]hexane

Conditions

Conditions	Yield
With diethylzinc In cyclohexane for 120h; Ambient temperature;	86%
With iodine; copper; zinc In diethyl ether

: 67-56-1
methanol

: 693-89-0
1-methylcyclopent-1-ene

: 36727-63-6
1,1-dimethoxy-5-oxo-hexane

Conditions

Conditions	Yield
With Lindlar's catalyst; ozone-containing oxygen; ammonium chloride; sodium methylate 1) -75 Deg C, 2) room temperature, 3) 48 h.;	86%
With dimethylsulfide; ozone 1.) methylene chloride, -78 deg C, 2.) room temperature, 3 h; Multistep reaction;

: 693-89-0
1-methylcyclopent-1-ene

: 4485-08-9
4-nitrosonitrobenzene

A: N-[2-methyl-2-cyclopentenyl]-N-4-nitrophenyl hydroxylamine

B: N-[2-methenylcyclopentyl]-N-4-nitrophenyl hydroxylamine

Conditions

Conditions	Yield
In dichloromethane at 0℃; for 24h; Title compound not separated from byproducts.;	A 85% B 15%

...Expand

: 110077-68-4, 89509-77-3
{IrH2(acetone)2(PPh3)2}SbF6

: 693-89-0
1-methylcyclopent-1-ene

: 106864-47-5
hydrido(η-methylcyclopentadienyl)bis(triphenylphosphine)iridium(III) hexafluoroantimonate

Conditions

Conditions	Yield
In 1,2-dichloro-benzene refluxed for 6 h under inert atmosphere; cooled, evapd., residue recrystd. from CH2Cl2-Et2O;	85%

: bis[bis(pentamethylcyclopentadienyl)(μ-hydride)yttrium]

: 693-89-0
1-methylcyclopent-1-ene

: 500569-41-5
(C5(CH3)5)Y(η(3)-C5H6CH3)

Conditions

Conditions	Yield
In further solvent(s) under inert atm. using Schlenk techniques; 1-methylcyclopentene added to((C5Me5)YH)2 dissolved in C6D11CD3 at -196°C; mixt. warmed to 0. degree.C; monitored by NMR (about 4 h);	85%

: 1189-71-5
isocyanate de chlorosulfonyle

: 693-89-0
1-methylcyclopent-1-ene

: cis-5-methyl-6-azabicyclo[3.2.0]heptan-7-one

Conditions

Conditions	Yield
In diethyl ether for 8h; Cycloaddition; Heating;	84.7%

: 67-56-1
methanol

: 693-89-0
1-methylcyclopent-1-ene

A: 159335-79-2
7-Methoxy-7-methyl-1,2-dioxepan-3-ol

B: cis/trans-7-methoxy-3-methyl-1,2-dioxepane-3-ol

C: 116972-39-5
1-hydroperoxy-1-methoxy-5-oxo-hexane

Conditions

Conditions	Yield
With ozone at -78℃; Yields of byproduct given;	A 84% B n/a C n/a
With ozone at -78℃; Yield given. Title compound not separated from byproducts;	A 84% B n/a C n/a

...Expand

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