Products

Refine

Refine

Country

Business Type

Certificate

Display

Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

2(5H)-Furanone,5-methyl-

Cas:591-11-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

TIANFU-CHEM_2(5H)-Furanone,5-methyl- 591-11-7

Cas:591-11-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

2(5H)-Furanone,5-methyl-

Cas:591-11-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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

5-Methylfuran-2(5H)-one

Cas:591-11-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

2(5H)-Furanone,5-methyl- cas 591-11-7Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2(5H)-Furanone,5-methyl- cas 591-11-7

Cas:591-11-7

Min.Order:0

Negotiable

Type:Other

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

β-angelica lactone

Cas:591-11-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

BETA-ANGELICA LACTONE

Cas:591-11-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Changzhou Pesan Chemical Co.,Ltd

Strong R&D strength and team We have a R&D team with around 30 R&D personnel.All of our employees have chemical backgrounds and have worked in the chemical industry for many years.Our laboratory can synthesize target products with wei

BETA-ANGELICA LACTONE

Cas:591-11-7

Min.Order:0

Negotiable

Type:Other

inquiry

shanghai hekang chemical co.ltd

Buy high quality BETA-ANGELICA LACTONE 591-11-7 factory Company Information Hekang Biotechnology Co.,Ltd is a company who dedicate to contract manufacturing and custom synthesis service. Since its foundation in 2005, Hekang has kept striving to

Buy high quality BETA-ANGELICA LACTONE 591-11-7 factory

Cas:591-11-7

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Skyrun Industrial Co.,Ltd

Supplement, prompt shipment, high purity Application:powder material

CSR201608-4691

Cas:591-11-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Beyond Pharmaceutical Co., Ltd

Beta-angelica lactone

Cas:591-11-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry
View More

Synthetic route

(E)-3-pentenoic acid
1617-32-9

(E)-3-pentenoic acid

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
Stage #1: (E)-3-pentenoic acid With Oxalyl bromide; dimethyl sulfoxide In dichloromethane at -10 - 20℃; for 1.16667h; Inert atmosphere;
Stage #2: With potassium carbonate In dichloromethane-d2; water at 20℃; for 5h; Inert atmosphere;		93%
Stage #1: (E)-3-pentenoic acid With oxalyl dichloride; 1,1'-sulfinylbisbenzene In dichloromethane at -78℃; for 0.166667h; Inert atmosphere;
Stage #2: With 18-crown-6 ether; potassium carbonate In dichloromethane at -78 - 20℃; for 5h; Reagent/catalyst; Inert atmosphere;		85%
Stage #1: (E)-3-pentenoic acid With oxalyl dichloride; 1,1'-sulfinylbisbenzene In dichloromethane at -78 - 20℃; for 1h; Inert atmosphere;
Stage #2: With 18-crown-6 ether; potassium carbonate In dichloromethane at 20℃; for 5h; Inert atmosphere;		85%
With (M*,3aS*,3a'S*)-3,3',3a',4,4',5,5'-octahydro-3,3,3',3'-tetraisopropyl-6,6'-spirobi[6H-cyclopent[c]isoxazole]; palladium diacetate; p-benzoquinone In dichloromethane at 30℃; for 24h; Inert atmosphere;71%
carbon monoxide
201230-82-2

carbon monoxide

(2R*,3Z)-4-Iodo-3-buten-2-ol
74785-04-9

(2R*,3Z)-4-Iodo-3-buten-2-ol

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
With potassium carbonate; hydrazine; bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran at 35℃; under 2280 Torr; for 72h;95%
3-pentenoic acid
5204-64-8

3-pentenoic acid

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
Stage #1: 3-pentenoic acid With Oxalyl bromide; dimethyl sulfoxide In dichloromethane at -10 - 20℃; Inert atmosphere;
Stage #2: With sodium hydroxide In dichloromethane; water for 5h; Reagent/catalyst;		93%
levulinic acid
123-76-2

levulinic acid

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

C

5-methylenedihydrofuran-2-one
10008-73-8

5-methylenedihydrofuran-2-one

Conditions
ConditionsYield
With silylated SiO2 catalyst In water at 250℃; under 760.051 Torr; for 0.8h; Reagent/catalyst; Inert atmosphere; Flow reactor;
...Expand
levulinic acid
123-76-2

levulinic acid

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

Conditions
ConditionsYield
With H-ZSM5/SiO2 at 129.84℃; under 75.0075 Torr; Reagent/catalyst; Temperature;A 33%
B 64%
bei der Destillation;
With montmorillonite K 10 at 165℃; under 50 Torr; Overall yield = 92 %; Overall yield = 15.6 g;
levulinic acid
123-76-2

levulinic acid

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
bei der Destillation; Behandeln mit einer konz. Kaliumcarbonatloesung;
Multi-step reaction with 2 steps
1: 60 percent / H3PO4 / Heating
2: 43 percent / Et3N / benzene / 15 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: H3PO4
2: 79 percent / Et3N / 4 h / 100 °C
View Scheme
Multi-step reaction with 2 steps
1: phosphoric acid / 175 °C
2: triethylamine / ethanol / 12 h
View Scheme
Stage #1: levulinic acid under 50 Torr;
Stage #2: With triethylamine at 80℃;
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-dihydro-furan-2-one
108-29-2

5-methyl-dihydro-furan-2-one

Conditions
ConditionsYield
With formic acid; UN-No2881 ex. Kataleuna at 275℃;A 7%
B 30%
D-Xylose
87-72-9, 608-45-7, 608-46-8, 608-47-9, 2460-44-8, 6748-95-4, 6763-34-4, 7261-26-9, 7283-06-9, 7283-07-0, 7296-55-1, 7296-56-2, 7296-58-4, 7296-59-5, 7296-60-8, 7296-61-9, 7296-62-0, 7322-30-7, 10257-31-5, 10257-32-6, 10257-33-7, 10257-34-8, 10257-35-9, 19982-83-3, 20242-88-0, 28697-53-2, 36562-42-2, 41546-41-2, 89299-64-9, 107655-34-5, 115794-06-4, 115794-07-5, 130550-15-1, 130606-21-2

D-Xylose

A

furfural
98-01-1

furfural

B

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

C

3-methyl-5H-furan-2-one
22122-36-7

3-methyl-5H-furan-2-one

D

2,3-Pentanedione
600-14-6

2,3-Pentanedione

E

acetaldehyde
75-07-0

acetaldehyde

F

acetic acid
64-19-7

acetic acid

G

2,5-hexanedione
110-13-4

2,5-hexanedione

H

hydroxy-2-propanone
116-09-6

hydroxy-2-propanone

I

dimethylglyoxal
431-03-8

dimethylglyoxal

Conditions
ConditionsYield
With alumina-doped tungstated mesoporous zirconia In water at 170℃; Reagent/catalyst; Solvent; Inert atmosphere;
...Expand
5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
With triethylamine at 100℃; for 4h;79%
With triethylamine In toluene at 60℃; for 6h;60%
With triethylamine at 75℃; for 2h;55%
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

methanol
67-56-1

methanol

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

C

levulinic acid methyl ester
624-45-3

levulinic acid methyl ester

D

2-(methoxymethyl)furan
13679-46-4

2-(methoxymethyl)furan

Conditions
ConditionsYield
With zeolite H-beta at 110℃; for 1.5h; Autoclave;A n/a
B n/a
C 10.1 %Chromat.
D 18.3 %Chromat.
...Expand
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

ethanol
64-17-5

ethanol

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

C

2-(ethoxymethyl)furan
6270-56-0

2-(ethoxymethyl)furan

D

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With zeolite H-beta at 110℃; for 1.5h; Autoclave;A n/a
B n/a
C 14.4 %Chromat.
D 23.3 %Chromat.
...Expand
2-(ethoxymethyl)furan
6270-56-0

2-(ethoxymethyl)furan

isopropyl alcohol
67-63-0

isopropyl alcohol

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

C

isopropyl levulinate
21884-26-4

isopropyl levulinate

D

levulinic acid
123-76-2

levulinic acid

Conditions
ConditionsYield
With zeolite H-beta at 110℃; for 1.5h; Autoclave;A n/a
B n/a
C 7.7 %Chromat.
D 6.4 %Chromat.
...Expand
3-Pentenenitrile
16529-66-1

3-Pentenenitrile

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

dihydro-4-acetoxy-5-methyl-2(3H)-furanone
132280-01-4, 132280-05-8

dihydro-4-acetoxy-5-methyl-2(3H)-furanone

Conditions
ConditionsYield
With tetrafluoroboric acid; [bis(acetoxy)iodo]benzene In acetic acid at 70℃; for 14h;A 6%
B 58%
carbon dioxide
124-38-9

carbon dioxide

(+/-)-(Z)-4-(butyltellanyl)but-3-en-2-ol
835594-73-5

(+/-)-(Z)-4-(butyltellanyl)but-3-en-2-ol

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
Stage #1: (+/-)-(Z)-4-(butyltellanyl)but-3-en-2-ol With n-butyllithium In tetrahydrofuran at -78℃;
Stage #2: carbon dioxide In tetrahydrofuran at -78 - 20℃; Further stages.;		51%
(E)-Methyl 4-hydroxypent-2-enoate
42997-94-4

(E)-Methyl 4-hydroxypent-2-enoate

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
With phenanthrene In dichloromethane at 25 - 30℃; UV-irradiation;62%
(+/-)-cis,trans-4-methyl-2-phenylsulfinylbutyrolactone
53138-50-4

(+/-)-cis,trans-4-methyl-2-phenylsulfinylbutyrolactone

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
With pyridine In benzene at 110 - 120℃; for 1.5h;34 mg
2-phenylselenenyl-5-methylfuran

2-phenylselenenyl-5-methylfuran

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
With dihydrogen peroxide In dichloromethane for 0.5h;74%
levulinic acid methyl ester
624-45-3

levulinic acid methyl ester

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

C

5-methyl-dihydro-furan-2-one
108-29-2

5-methyl-dihydro-furan-2-one

Conditions
ConditionsYield
With hydrogen In water at 80℃; under 22502.3 Torr; for 1h; Time; Autoclave;
...Expand
butyl levulinate
2052-15-5

butyl levulinate

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

C

5-methyl-dihydro-furan-2-one
108-29-2

5-methyl-dihydro-furan-2-one

Conditions
ConditionsYield
With hydrogen In water at 80℃; under 22502.3 Torr; for 1h; Autoclave;
...Expand
3-Pentenenitrile
16529-66-1

3-Pentenenitrile

[bis(acetoxy)iodo]benzene
3240-34-4

[bis(acetoxy)iodo]benzene

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

dihydro-4-acetoxy-5-methyl-2(3H)-furanone
132280-01-4, 132280-05-8

dihydro-4-acetoxy-5-methyl-2(3H)-furanone

Conditions
ConditionsYield
With tetrafluoroboric acid In acetic acid at 70℃; for 14h;A 6%
B 58%
...Expand
levulinic acid methyl ester
624-45-3

levulinic acid methyl ester

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

C

levulinic acid
123-76-2

levulinic acid

D

5-methyl-dihydro-furan-2-one
108-29-2

5-methyl-dihydro-furan-2-one

Conditions
ConditionsYield
With hydrogen In water at 80℃; under 22502.3 Torr; for 1.5h; Autoclave;
...Expand
(+/-)-cis,trans-4-methyl-2-phenylsulfanylbutyrolactone
53138-46-8

(+/-)-cis,trans-4-methyl-2-phenylsulfanylbutyrolactone

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
With pyridine; 3-chloro-benzenecarboperoxoic acid 2.) PhH; Yield given. Multistep reaction;
Multi-step reaction with 2 steps
1: m-chloroperoxybenzoic acid / CH2Cl2 / 2 h / 0 °C
2: 34 mg / pyridine / benzene / 1.5 h / 110 - 120 °C
View Scheme
4-Oxo-2-phenylsulfanyl-pentanoic acid
84796-81-6

4-Oxo-2-phenylsulfanyl-pentanoic acid

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: diethyl ether
2: Zn(BH4)2
3: TsOH
4: 1.) mCPBA; 2.) pyr. / 2.) PhH
View Scheme
Multi-step reaction with 5 steps
1: diethyl ether
2: Zn(BH4)2 / diethyl ether / 3 h / 0 °C / or NaBH4
3: 63 mg / p-toluenesulfonic acid / benzene / 2 h / 50 °C
4: m-chloroperoxybenzoic acid / CH2Cl2 / 2 h / 0 °C
5: 34 mg / pyridine / benzene / 1.5 h / 110 - 120 °C
View Scheme
methyl 4-oxo-2-(phenylthio)pentanoate
84796-82-7

methyl 4-oxo-2-(phenylthio)pentanoate

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Zn(BH4)2
2: TsOH
3: 1.) mCPBA; 2.) pyr. / 2.) PhH
View Scheme
Multi-step reaction with 4 steps
1: Zn(BH4)2 / diethyl ether / 3 h / 0 °C / or NaBH4
2: 63 mg / p-toluenesulfonic acid / benzene / 2 h / 50 °C
3: m-chloroperoxybenzoic acid / CH2Cl2 / 2 h / 0 °C
4: 34 mg / pyridine / benzene / 1.5 h / 110 - 120 °C
View Scheme
4-Hydroxy-2-phenylsulfanyl-pentanoic acid methyl ester
90670-14-7

4-Hydroxy-2-phenylsulfanyl-pentanoic acid methyl ester

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: TsOH
2: 1.) mCPBA; 2.) pyr. / 2.) PhH
View Scheme
Multi-step reaction with 3 steps
1: 63 mg / p-toluenesulfonic acid / benzene / 2 h / 50 °C
2: m-chloroperoxybenzoic acid / CH2Cl2 / 2 h / 0 °C
3: 34 mg / pyridine / benzene / 1.5 h / 110 - 120 °C
View Scheme
(E)-3-pentenoic acid
1617-32-9

(E)-3-pentenoic acid

[bis(acetoxy)iodo]benzene
3240-34-4

[bis(acetoxy)iodo]benzene

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

cis-dihydro-4-acetoxy-5-methyl-2(3H)-furanone
132280-01-4, 132280-05-8

cis-dihydro-4-acetoxy-5-methyl-2(3H)-furanone

Conditions
ConditionsYield
With tetrafluoroboric acid In acetic acid for 1h; Ambient temperature;A 41%
B 25%
...Expand
C5H7O2PolSe

C5H7O2PolSe

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

Conditions
ConditionsYield
With dihydrogen peroxide In tetrahydrofuran at 0 - 25℃;
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

isopropyl alcohol
67-63-0

isopropyl alcohol

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

C

isopropyl levulinate
21884-26-4

isopropyl levulinate

D

isopropopyl (2-methylfuran) ether
113984-01-3

isopropopyl (2-methylfuran) ether

Conditions
ConditionsYield
With zeolite H-beta at 110℃; for 1.5h; Catalytic behavior; Reagent/catalyst; Temperature; Autoclave;A n/a
B n/a
C 7 %Chromat.
D 35.4 %Chromat.
...Expand
(E)-3-pentenoic acid
1617-32-9

(E)-3-pentenoic acid

[bis(acetoxy)iodo]benzene
3240-34-4

[bis(acetoxy)iodo]benzene

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

dihydro-4-acetoxy-5-methyl-2(3H)-furanone
132280-01-4, 132280-05-8

dihydro-4-acetoxy-5-methyl-2(3H)-furanone

Conditions
ConditionsYield
With tetrafluoroboric acid; [bis(acetoxy)iodo]benzene In acetic acid for 1h; Ambient temperature;A 41%
B 25%
...Expand
furfural
98-01-1

furfural

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

5-methyl-dihydro-furan-2-one
108-29-2

5-methyl-dihydro-furan-2-one

Conditions
ConditionsYield
With iso-butanol In water at 119.84℃; for 48h; Reagent/catalyst; Time; Solvent;
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

2,2'-dimethyl-3',4'-dihydro-2H,2'H-[2,3']bifuranyl-5,5'-dione
19918-24-2

2,2'-dimethyl-3',4'-dihydro-2H,2'H-[2,3']bifuranyl-5,5'-dione

Conditions
ConditionsYield
With bis(2,6-di-tert-butyl-4-methylphenoxide)methylaluminum; triethylamine In dichloromethane at 25℃; for 1h; Catalytic behavior; Reagent/catalyst; Solvent;99%
1,3-DIOXOLANE
646-06-0

1,3-DIOXOLANE

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

4-[1,3]Dioxolan-2-yl-5-methyl-dihydro-furan-2-one

4-[1,3]Dioxolan-2-yl-5-methyl-dihydro-furan-2-one

Conditions
ConditionsYield
With (Bu4N)2S2O8 at 30℃; for 0.333333h;92%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

4-biphenylboronic acid
5122-94-1

4-biphenylboronic acid

C17H16O2

C17H16O2

Conditions
ConditionsYield
With chlorobis(ethylene)rhodium(I) dimer; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; triethylamine In ethanol at 20℃; for 12h; Schlenk technique; Inert atmosphere; regioselective reaction;89%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

isopropyl alcohol
67-63-0

isopropyl alcohol

(4R,5S)-4-(1-Hydroxy-1-methyl-ethyl)-5-methyl-dihydro-furan-2-one

(4R,5S)-4-(1-Hydroxy-1-methyl-ethyl)-5-methyl-dihydro-furan-2-one

Conditions
ConditionsYield
With benzophenone for 1.5h; Addition; Irradiation;83%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

4,4'-dimethoxytrityl chloride
40615-36-9

4,4'-dimethoxytrityl chloride

4-(bis(4-methoxyphenyl)(phenyl)methyl)-5-methylfuran-2(5H)-one

4-(bis(4-methoxyphenyl)(phenyl)methyl)-5-methylfuran-2(5H)-one

Conditions
ConditionsYield
With sodium carbonate at 20℃; for 18h; Sealed tube;82%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

phenyldimethylsilyl chloride
768-33-2

phenyldimethylsilyl chloride

C13H18O2Si
1397692-64-6

C13H18O2Si

Conditions
ConditionsYield
Stage #1: phenyldimethylsilyl chloride With lithium doped with sodium In tetrahydrofuran at 0℃;
Stage #2: With copper(l) cyanide In tetrahydrofuran at -20℃; for 0.333333h;
Stage #3: 5-methyl-5H-furan-2-one Further stages;		80%
Stage #1: phenyldimethylsilyl chloride With lithium In tetrahydrofuran at 0℃;
Stage #2: With copper(l) cyanide In tetrahydrofuran at -20℃; for 0.333333h;
Stage #3: 5-methyl-5H-furan-2-one In tetrahydrofuran		80%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

3-bromo-5-methyl-2(5H)-furanone
76311-90-5

3-bromo-5-methyl-2(5H)-furanone

Conditions
ConditionsYield
Stage #1: 5-methyl-5H-furan-2-one With bromine In tetrachloromethane for 1.5h; Heating;
Stage #2: With triethylamine at 20℃; for 2h;		66%
Stage #1: 5-methyl-5H-furan-2-one With bromine In tetrachloromethane for 3h; Heating;
Stage #2: With triethylamine for 4h;		46%
With bromine at 20 - 90℃; for 20h;43%
Multi-step reaction with 2 steps
1: Br2 / CCl4 / 1.5 h / Heating
2: Et3N / CCl4 / 2 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: Br2 / CCl4 / 15 h / Ambient temperature
2: NEt3 / benzene / 3 h / 0 °C
View Scheme
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

(2E,4E)-3-Ethyl-5-methoxy-penta-2,4-dienoic acid methyl ester
108044-53-7

(2E,4E)-3-Ethyl-5-methoxy-penta-2,4-dienoic acid methyl ester

methyl (1R*,2S*,5S*,6R*,9S*)-3-ethyl-5-methoxy-9-methyl-7-oxo-8-oxabicyclo<4.3.0>non-3-ene-2-carboxylate
134360-94-4

methyl (1R*,2S*,5S*,6R*,9S*)-3-ethyl-5-methoxy-9-methyl-7-oxo-8-oxabicyclo<4.3.0>non-3-ene-2-carboxylate

Conditions
ConditionsYield
In dichloromethane at 50℃; under 11250900 Torr; for 60h;65%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

triisopropylsilyl trifluoromethanesulfonate
80522-42-5

triisopropylsilyl trifluoromethanesulfonate

triisopropyl((5-methylfuran-2-yl)oxy)silane
203131-20-8

triisopropyl((5-methylfuran-2-yl)oxy)silane

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 20℃; for 2h;65%
With triethylamine In dichloromethane at 0 - 20℃; for 18h; Inert atmosphere;64%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

(4R,5S)-4-Hydrazino-5-methyl-dihydro-furan-2-one

(4R,5S)-4-Hydrazino-5-methyl-dihydro-furan-2-one

B

5-(1-Hydroxyethyl)-pyrazolidin-3-one

5-(1-Hydroxyethyl)-pyrazolidin-3-one

Conditions
ConditionsYield
With hydrazine In water at 80℃; for 2h;A n/a
B 63%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

methylhydrazine
60-34-4

methylhydrazine

(5R,αS)/(5S,αR)-5-(1-Hydroxyethyl)-1-methylpyrazolidin-3-one

(5R,αS)/(5S,αR)-5-(1-Hydroxyethyl)-1-methylpyrazolidin-3-one

(4R,5S)-5-Methyl-4-(N-methyl-hydrazino)-dihydro-furan-2-one

(4R,5S)-5-Methyl-4-(N-methyl-hydrazino)-dihydro-furan-2-one

Conditions
ConditionsYield
In water at 80℃; for 2h;A 61%
B n/a
In water at 80℃; for 2h; Mechanism; diastereoselective ring chain transformation, other butenolides;
...Expand
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

tert-butylchlorodiphenylsilane
58479-61-1

tert-butylchlorodiphenylsilane

C21H26O2Si
1397692-77-1

C21H26O2Si

Conditions
ConditionsYield
Stage #1: tert-butylchlorodiphenylsilane With lithium doped with sodium In tetrahydrofuran at 0℃;
Stage #2: With copper(l) cyanide In tetrahydrofuran at -20℃; for 0.333333h;
Stage #3: 5-methyl-5H-furan-2-one Further stages;		59%
Stage #1: tert-butylchlorodiphenylsilane With lithium In tetrahydrofuran at 0℃;
Stage #2: With copper(l) cyanide In tetrahydrofuran at -20℃; for 0.333333h;
Stage #3: 5-methyl-5H-furan-2-one In tetrahydrofuran		59%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

2-(2-nitroethoxy)tetrahydro-2H-pyran
75233-61-3

2-(2-nitroethoxy)tetrahydro-2H-pyran

C12H17NO5

C12H17NO5

Conditions
ConditionsYield
With phenyl isocyanate; N-ethyl-N,N-diisopropylamine In toluene for 3h; Reflux;55%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

(2RS,3RS,4RS)-2,3-Epoxy-4-hydroxypentanoic acid
99419-44-0, 111822-35-6, 112837-19-1

(2RS,3RS,4RS)-2,3-Epoxy-4-hydroxypentanoic acid

(3RS,4RS,5RS)-3,4-Epoxy-5-methyldihydro-2(3H)-furanone
98291-94-2, 98320-62-8, 112775-69-6, 136353-59-8

(3RS,4RS,5RS)-3,4-Epoxy-5-methyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With sodium hypochlorite In pyridine; water 0 deg C, 1 h then r.t. 1.5 h;A n/a
B 54%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

(3RS,4RS,5RS)-3,4-Epoxy-5-methyldihydro-2(3H)-furanone
98291-94-2, 98320-62-8, 112775-69-6, 136353-59-8

(3RS,4RS,5RS)-3,4-Epoxy-5-methyldihydro-2(3H)-furanone

Conditions
ConditionsYield
With sodium hypochlorite In pyridine Ambient temperature;54%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

(9S)-9-Methyl-1-phenylbicyclo<4.3.0>nona-1(2),3(4)-diene
126971-21-9

(9S)-9-Methyl-1-phenylbicyclo<4.3.0>nona-1(2),3(4)-diene

C21H24O2

C21H24O2

Conditions
ConditionsYield
With zinc(II) chloride under 4875390 Torr; for 70h; Ambient temperature;48%
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

tetrafluoroboric acid

tetrafluoroboric acid

bis(triphenylphosphine)(π-carbondisulphide)dicarbonyliron(II)

bis(triphenylphosphine)(π-carbondisulphide)dicarbonyliron(II)

[(OC)2Fe(P(C6H5)3)2SCSC4H4O2CH3](1+)*BF4(1-)=[(OC)2Fe(P(C6H5)3)2SCSC4H4O2CH3]BF4

[(OC)2Fe(P(C6H5)3)2SCSC4H4O2CH3](1+)*BF4(1-)=[(OC)2Fe(P(C6H5)3)2SCSC4H4O2CH3]BF4

Conditions
ConditionsYield
In not given45%
...Expand
5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

benzyl azide
622-79-7

benzyl azide

A

4-benzylamino-5-methyl-2(5H)-furanone

4-benzylamino-5-methyl-2(5H)-furanone

(3aRS,6RS,6aSR)-1-benzyl-3a,4,6,6a-tetrahydro-6-methyl-1H-furo<3,4-d>-1,2,3-triazol-4-one

(3aRS,6RS,6aSR)-1-benzyl-3a,4,6,6a-tetrahydro-6-methyl-1H-furo<3,4-d>-1,2,3-triazol-4-one

(3aRS,6SR,6aSR)-1-benzyl-3a,4,6,6a-tetrahydro-6-methyl-1H-furo<3,4-d>-1,2,3-triazol-4-one

(3aRS,6SR,6aSR)-1-benzyl-3a,4,6,6a-tetrahydro-6-methyl-1H-furo<3,4-d>-1,2,3-triazol-4-one

Conditions
ConditionsYield
at 60℃; for 168h;A 7%
B 44%
C 11%
...Expand

Related products

59112-78-6

C.I. Reactive Yellow 81
591-12-8

2(3H)-Furanone,5-methyl-
59113-36-9

Propanediol, oxybis-
591-17-3

3-Bromotoluene
591-18-4

Benzene,1-bromo-3-iodo-
59118-78-4

2-Mercaptoethyl oleate
59119-18-5

4-Piperidinecarboxylicacid, 4-hydroxy-1-(phenylmethyl)-
591-19-5

3-Bromoaniline
591-20-8

3-Bromophenol
59121-84-5

Trichothec-9-ene-3,4,7,15-tetrol,12,13-epoxy-, 4,15-diacetate, (3a,4b,7a)- (9CI)

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View