Products

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

Acetyl ketene Manufacturer/High quality/Best price/In stock

Cas:674-82-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hubei Vanz Pharm Co.,Ltd

1 high purity 2 able to provide COA/HNMR/HPLC 3 High quality 4 low price 5 Best service Appearance:transparent liquid Storage:rm Package:bag/bottle/drum Application:pharmaceutical intermediate Transportation:common transportation Port:Shangha

Acetyl ketene

Cas:674-82-8

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Diketene Cas 674-82-8 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Liquid Storage:2-8°C Package:200kg/drum Application:Intermediates Transportation:B

Factory supply Diketene Cas 674-82-8 with high purity fast delivery

Cas:674-82-8

Min.Order:200 Kilogram

FOB Price: $1.0 / 15.0

Type:Trading Company

inquiry

Hefei TNJ chemical industry co.,ltd

Product name:diketene Cas :674-82-8 MF:C4H4O2 1、High quality with reasonible price 2、Fast delivey and high-efficiency 3、Professional working team and professional services 4、ISO,GMP certified Introduction: Hefei TNJ Chemical Indu

good quality diketene price

Cas:674-82-8

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Acetyl ketene

Cas:674-82-8

Min.Order:1 Kilogram

Negotiable

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 But-3-en-3-olide

Cas:674-82-8

Min.Order:1

Negotiable

Type:Other

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Diketene

Cas:674-82-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Acetyl ketene Basic information Product Name: Acetyl ketene Synonyms: 3-buteno-beta-lactone;3-Butenoic acid, 3-hydroxy-, beta-lactone;3-hydroxy-3-butenoicacibeta-lactone;4-methylene-2-ox

TIANFU-CHEM Acetyl ketene

Cas:674-82-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

Founded in 2008, East Chemsources Limited is a professional manufacturer and supplier in food and chemical field in China. Through more than ten years development, our company has developed from single product at first to provide solution to final

High Quality of Diketene

Cas:674-82-8

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:674-82-8

Cas:674-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Lonwin Chemical Group Limited

Diketene CAS:674-82-8 Specification product name diketene apperance colorless or light yellow liquid einecs 211-617-1 mf c4h4o2 mw 84.07 assay ≥90.0% Welcome to con

Factory supply Diketene

Cas:674-82-8

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

inquiry

Triumph International Development Limilted

Appearance:white powder/crystal Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Sea/A

diketene

Cas:674-82-8

Min.Order:100 Metric Ton

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

diketene

Cas:674-82-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Acetyl ketene

Cas:674-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

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

Acetyl ketene

Cas:674-82-8

Min.Order:1 Gram

FOB Price: $1.0

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 quality Diketene

Cas:674-82-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

Acetyl KeteneAppearance:Pls see the Details Storage:Keep away of light, hot, water, Store in dry, dark and ventilated place Package:according to customers' requirements Application:Steroids, Cosmetics Ingredients, APIs, Intermediates, OLED&Battery In

Acetyl Ketene

Cas:674-82-8

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

supplier in China Appearance:colorless liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:As a reagent in organic synthesis, used for the

Diketen

Cas:674-82-8

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,

Acetyl ketene

Cas:674-82-8

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

Acetyl ketene

Cas:674-82-8

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

diketene

Cas:674-82-8

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

Diketene

Cas:674-82-8

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

high purity, manufacturer Application:Intermediate

diketene

Cas:674-82-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

DB BIOTECH CO., LTD

Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you

Acetyl ketene

Cas:674-82-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

Diketene

Cas:674-82-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Shandong Xinhua Pharmaceutical Co.,Ltd

It is a raw material for fine chemical dyes, pharmaceuticals, pesticides, food and feed additives, Auxiliaries, etc.. Application:It is a raw material for fine chemical dyes, pharmaceuticals, pesticides, food and feed additives, Auxiliaries, etc..

Diketene

Cas:674-82-8

Min.Order:0 Metric Ton

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 674-82-8 with competitive price

Cas:674-82-8

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

2-Oxetanone,4-methylene-

Cas:674-82-8

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

Acetyl ketene 674-82-8

Cas:674-82-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hubei Langyou International Trading Co., Ltd

buy Diketene CAS: 674-82-8 from Diketene manufacturer Application:buy Diketene CAS: 674-82-8 from Diketene manufacturer

buy Diketene CAS: 674-82-8 from Diketene manufacturer

Cas:674-82-8

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

bis(triphenylphosphine)-3,3-dimethylnickelacyclobutane

bis(triphenylphosphine)-3,3-dimethylnickelacyclobutane

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

bis(triphenylphosphine)nickel(0) dicarbonyl
13007-90-4

bis(triphenylphosphine)nickel(0) dicarbonyl

C

isobutene
115-11-7

isobutene

Conditions
ConditionsYield
With carbon monoxide In toluene High Pressure; 5 atm CO, 50°C, 1 h; pptn. of complex;A 8%
B 83%
C n/a
Ketene
463-51-4

Ketene

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

Conditions
ConditionsYield
With N,N,N,N,-tetramethylethylenediamine In hexane at -15 - -10℃; for 3.5h;75%
Ketene
463-51-4

Ketene

acetic anhydride
108-24-7

acetic anhydride

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

Ketene
463-51-4

Ketene

ethylmagnesium bromide
925-90-6

ethylmagnesium bromide

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

N-acetylphthalimide
1971-49-9

N-acetylphthalimide

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

Conditions
ConditionsYield
at 325℃;
9-acetylcarbazole
574-39-0

9-acetylcarbazole

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

Conditions
ConditionsYield
at 110℃; under 15 Torr;
Ketene
463-51-4

Ketene

buta-1,3-diene
106-99-0

buta-1,3-diene

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

3-vinylcyclobutanone
66166-61-8

3-vinylcyclobutanone

Conditions
ConditionsYield
With nitrogen at 100℃;
triethylamine
121-44-8

triethylamine

acetyl chloride
75-36-5

acetyl chloride

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

Conditions
ConditionsYield
With diethyl ether
acetyl chloride
75-36-5

acetyl chloride

trimethylamine
75-50-3

trimethylamine

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

Conditions
ConditionsYield
With diethyl ether
Ketene
463-51-4

Ketene

acetone
67-64-1

acetone

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

dichloromethane
75-09-2

dichloromethane

carbon monoxide
201230-82-2

carbon monoxide

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

Conditions
ConditionsYield
Pd(PCy3)2(dba) In benzene-d6 at 25℃; under 22501.8 Torr;
3-oxo-N-(p-tolyl)butanamide
2415-85-2

3-oxo-N-(p-tolyl)butanamide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

p-toluidine
106-49-0

p-toluidine

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
4'-Chloroacetoacetanilide
101-92-8

4'-Chloroacetoacetanilide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

4-chloro-aniline
106-47-8

4-chloro-aniline

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
N-(4-bromophenyl)-3-oxobutyramide
38418-24-5

N-(4-bromophenyl)-3-oxobutyramide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

4-bromo-aniline
106-40-1

4-bromo-aniline

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
4'-methoxyacetoacetanilide
5437-98-9

4'-methoxyacetoacetanilide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

4-methoxy-aniline
104-94-9

4-methoxy-aniline

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
3-oxo-N-m-tolylbutanamide
25233-46-9

3-oxo-N-m-tolylbutanamide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

1-amino-3-methylbenzene
108-44-1

1-amino-3-methylbenzene

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
N-(3'-methoxyphenyl)-3-oxobutanamide
25233-47-0

N-(3'-methoxyphenyl)-3-oxobutanamide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

m-Anisidine
536-90-3

m-Anisidine

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
3'-nitroacetoacetanilide
25233-49-2

3'-nitroacetoacetanilide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

3-nitro-aniline
99-09-2

3-nitro-aniline

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
3'-chloroacetoacetanilide
2415-87-4

3'-chloroacetoacetanilide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

3-chloro-aniline
108-42-9

3-chloro-aniline

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
N-(3-bromo-phenyl)-3-oxo-butyramide
61579-06-4

N-(3-bromo-phenyl)-3-oxo-butyramide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

3-bromoaniline
591-19-5

3-bromoaniline

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
N-(3-cyanophenyl)-3-oxobutanamide

N-(3-cyanophenyl)-3-oxobutanamide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

m-cyanoaniline
2237-30-1

m-cyanoaniline

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
N-phenylacetoacetamide
102-01-2

N-phenylacetoacetamide

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

aniline
62-53-3

aniline

Conditions
ConditionsYield
In cyclohexane at 25℃; Equilibrium constant;
1,2-propanediene
463-49-0

1,2-propanediene

p-benzoquinone
106-51-4

p-benzoquinone

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

Spiro<3.5>nona-5,8-dien-2,7-dion
52727-24-9

Spiro<3.5>nona-5,8-dien-2,7-dion

C

3-Methylene-1-oxa-spiro[3.5]nona-5,8-dien-7-one
115077-69-5

3-Methylene-1-oxa-spiro[3.5]nona-5,8-dien-7-one

D

C15H12O4
115077-67-3

C15H12O4

Conditions
ConditionsYield
In trichlorofluoromethane at -25℃; under 760 Torr; for 1h; Irradiation; Laser VIS-irradiation, 455-515 nm;A n/a
B n/a
C 146 mg
D 6.2 mg
Ketene
463-51-4

Ketene

acetaldehyde
75-07-0

acetaldehyde

H3BO3

H3BO3

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

C

3-penten-2-one
625-33-2

3-penten-2-one

Ketene
463-51-4

Ketene

acetaldehyde
75-07-0

acetaldehyde

ZnCl2

ZnCl2

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

C

3-penten-2-one
625-33-2

3-penten-2-one

Ketene
463-51-4

Ketene

sulfuric acid
7664-93-9

sulfuric acid

acetone
67-64-1

acetone

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

Isopropenyl acetate
108-22-5

Isopropenyl acetate

C

acetic anhydride
108-24-7

acetic anhydride

D

4-oxo-2.2.6-trimethyl-1.3-dioxime

4-oxo-2.2.6-trimethyl-1.3-dioxime

Conditions
ConditionsYield
at 55℃;
Ketene
463-51-4

Ketene

acetone
67-64-1

acetone

ZnCl2

ZnCl2

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

Isopropenyl acetate
108-22-5

Isopropenyl acetate

C

acetic anhydride
108-24-7

acetic anhydride

D

4-oxo-2.2.6-trimethyl-1.3-dioxime

4-oxo-2.2.6-trimethyl-1.3-dioxime

Conditions
ConditionsYield
at 100℃;
Ketene
463-51-4

Ketene

water
7732-18-5

water

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

acetone
67-64-1

acetone

n-dodecanoyl chloride
112-16-3

n-dodecanoyl chloride

triethylamine
121-44-8

triethylamine

acetyl chloride
75-36-5

acetyl chloride

A

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

B

dimer(ic) decylketene

dimer(ic) decylketene

C

mixed diketene C14H24O2

mixed diketene C14H24O2

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

benzylamine
100-46-9

benzylamine

N-benzyl-3-oxobutanamide
882-36-0

N-benzyl-3-oxobutanamide

Conditions
ConditionsYield
In dichloromethane at 0 - 20℃;100%
In dichloromethane at 0 - 20℃;100%
In dichloromethane at 0 - 20℃;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

2-(N,N-dimethylamino)ethanol
108-01-0

2-(N,N-dimethylamino)ethanol

acetoacetic acid 2-dimethylamino-ethyl ester
6131-49-3

acetoacetic acid 2-dimethylamino-ethyl ester

Conditions
ConditionsYield
With dmap In tetrahydrofuran at 65℃; for 0.5h;100%
at 70 - 71℃; for 5h;99%
With triethylamine at 95℃; for 3h;84%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

cinnamylamine
4360-51-4

cinnamylamine

3-oxo-N-(3-phenyl-2-propen-1-yl) butylamide
26226-10-8

3-oxo-N-(3-phenyl-2-propen-1-yl) butylamide

Conditions
ConditionsYield
With triethylamine In toluene at 70℃; for 3h;100%
In diethyl ether
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

diethylamine
109-89-7

diethylamine

N,N-diethyl-3-oxobutanamide
2235-46-3

N,N-diethyl-3-oxobutanamide

Conditions
ConditionsYield
In tetrahydrofuran at 0℃; Inert atmosphere;100%
In tetrahydrofuran at 0℃; for 0.0833333h; Inert atmosphere;100%
With triethylamine In methanol; toluene at 0℃; for 2h;95%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

cyclohexanol
108-93-0

cyclohexanol

cyclohexyl 3-oxobutanoate
6947-02-0

cyclohexyl 3-oxobutanoate

Conditions
ConditionsYield
With sodium acetate In tetrahydrofuran for 2h; Reflux;100%
With triethylamine In chloroform for 10h; Ambient temperature;96.7%
With triethylamine
With dmap
piperidine
110-89-4

piperidine

4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

1-(piperidin-1-yl)-butane-1,3-dione
1128-87-6

1-(piperidin-1-yl)-butane-1,3-dione

Conditions
ConditionsYield
In tetrahydrofuran at 20℃;100%
for 2h; Yield given;
In toluene at 100℃; for 1h;
In tert-butyl methyl ether at -5 - 0℃; for 1h;49.55 g
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

2,2-dimethyl-5-(1-hydroxy-3-oxobutylidene)-1,3-dioxane-4,6-dione
84257-12-5

2,2-dimethyl-5-(1-hydroxy-3-oxobutylidene)-1,3-dioxane-4,6-dione

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 20℃; for 2h;100%
Stage #1: 4-methyleneoxetan-2-one; cycl-isopropylidene malonate With triethylamine In dichloromethane at 0 - 20℃; for 2h;
Stage #2: With hydrogenchloride In dichloromethane; water
100%
With triethylamine In dichloromethane at 20℃;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

methylthiol
74-93-1

methylthiol

4-Methylsulfanylmethyl-oxetan-2-one
108615-97-0

4-Methylsulfanylmethyl-oxetan-2-one

Conditions
ConditionsYield
With 2,2'-azobis(isobutyronitrile) In diethyl ether for 2h; Ambient temperature; Irradiation;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

1-butanethiol
109-79-5

1-butanethiol

4-(n-Butylthiomethyl)oxetan-2-on
72749-29-2

4-(n-Butylthiomethyl)oxetan-2-on

Conditions
ConditionsYield
In diethyl ether at 0℃; for 0.5h;100%
With sulfuric acid In diethyl ether for 2h; Ambient temperature;72%
In diethyl ether at 0 - 5℃;
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

Octanethiol
111-88-6

Octanethiol

4-Octylsulfanylmethyl-oxetan-2-one
108615-99-2

4-Octylsulfanylmethyl-oxetan-2-one

Conditions
ConditionsYield
With 2,2'-azobis(isobutyronitrile) In Petroleum ether at 25℃; for 1h;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

Cyclopropylmethanol
2516-33-8

Cyclopropylmethanol

cyclopropylmethyl 3-oxobutanoate
86780-84-9

cyclopropylmethyl 3-oxobutanoate

Conditions
ConditionsYield
With triethylamine In chloroform for 10h; Ambient temperature;100%
With sodium hydride at 70 - 80℃; for 2h;93%
With sodium acetate for 16h; Ambient temperature;
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

(-)-menthol
2216-51-5

(-)-menthol

(L)-menthyl 3-oxobutyrate
59557-05-0

(L)-menthyl 3-oxobutyrate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 3h;100%
With sodium acetate In acetonitrile for 2h; Heating;96%
With triethylamine In acetone for 2h; Heating;92%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

benzyl 2-(2-ethoxy-2-ethoxyethyl)-1-hydrazinecarboxylate
4503-58-6

benzyl 2-(2-ethoxy-2-ethoxyethyl)-1-hydrazinecarboxylate

benzyl 2-acetoacetyl-2-(ethoxycarbonylmethyl)hydrazine-1-carboxylate
98381-06-7

benzyl 2-acetoacetyl-2-(ethoxycarbonylmethyl)hydrazine-1-carboxylate

Conditions
ConditionsYield
With triethylamine In benzene for 16h; Heating;100%
In benzene Yield given;
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

isopropoxyamine hydrochloride
4490-81-7

isopropoxyamine hydrochloride

N-Isopropoxy-3-oxo-butyramide
133146-80-2

N-Isopropoxy-3-oxo-butyramide

Conditions
ConditionsYield
With triethylamine In methanol; toluene at 0 - 5℃; for 0.5h;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

(-)-8-phenylmenthol
65253-04-5

(-)-8-phenylmenthol

(+)-(1R,2S,5R)-8-phenylmenthyl 3-oxobutanoate
90358-31-9

(+)-(1R,2S,5R)-8-phenylmenthyl 3-oxobutanoate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 3h;100%
With triethylamine In acetone for 3h; Heating;95%
With sodium acetate In chloroform for 1h; Heating;85.9%
With sodium acetate In tetrahydrofuran for 2h; Heating;
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

2-<4-(4-benzhydryl-1-piperazinyl)phenyl>ethyl alcohol
116308-40-8

2-<4-(4-benzhydryl-1-piperazinyl)phenyl>ethyl alcohol

2-<4-(4-benzhydryl-1-piperazinyl)phenyl>ethyl acetoacetate
116308-41-9

2-<4-(4-benzhydryl-1-piperazinyl)phenyl>ethyl acetoacetate

Conditions
ConditionsYield
With dmap In tetrahydrofuran 1) ice-salt cooling, 30 min, 2) r.t.;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

phenethylamine
64-04-0

phenethylamine

3-oxo-N-(2-phenylethyl)butanamide
2044-66-8

3-oxo-N-(2-phenylethyl)butanamide

Conditions
ConditionsYield
In diethyl ether Reflux;100%
In diethyl ether for 3h; Heating / reflux;93%
In methanol at 0℃; Inert atmosphere;46%
In methanol for 3h; Ambient temperature;
In methanol at 0℃; Inert atmosphere;
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

methyl 3-<(benzyloxy)amino>-2-propionate
81790-27-4

methyl 3-<(benzyloxy)amino>-2-propionate

3-[Benzyloxy-(3-oxo-butyryl)-amino]-2-(4-benzyloxy-phenyl)-propionic acid methyl ester
81790-28-5

3-[Benzyloxy-(3-oxo-butyryl)-amino]-2-(4-benzyloxy-phenyl)-propionic acid methyl ester

Conditions
ConditionsYield
With dmap; triethylamine In tetrahydrofuran 1.) -78 deg C, 30 min, 2.) 0 deg C, 30 min;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

(S)-methyl 5,5-dimethyl-1,3-thiazolidine-4-carboxylate
70491-75-7

(S)-methyl 5,5-dimethyl-1,3-thiazolidine-4-carboxylate

methyl (4S)-5,5-dimethyl-3-(3-oxobutanoyl)thiazolidine-4-carboxylate
153823-10-0

methyl (4S)-5,5-dimethyl-3-(3-oxobutanoyl)thiazolidine-4-carboxylate

Conditions
ConditionsYield
With triethylamine In dichloromethane for 15h; Heating;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

1-benzyl-3-pyrrolidinol
775-15-5

1-benzyl-3-pyrrolidinol

1-benzyl-3-acetoacetyloxypyrrolidine
71863-54-2

1-benzyl-3-acetoacetyloxypyrrolidine

Conditions
ConditionsYield
at 70 - 80℃; for 1h;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

1-benzyl-3-hydroxypiperidine
14813-01-5

1-benzyl-3-hydroxypiperidine

1-benzylpiperidin-3-yl acetoacetate
85387-34-4

1-benzylpiperidin-3-yl acetoacetate

Conditions
ConditionsYield
With triethylamine In chloroform for 10h; Ambient temperature;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

(1R,2R,3R)-3-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-cyclohexanol

(1R,2R,3R)-3-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-cyclohexanol

3-Oxo-butyric acid (1R,2S,3R)-3-benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-cyclohexyl ester

3-Oxo-butyric acid (1R,2S,3R)-3-benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-cyclohexyl ester

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran for 9h; Ambient temperature;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

3,5-dimethyl-hexa-1,4-dien-3-ol
38552-68-0

3,5-dimethyl-hexa-1,4-dien-3-ol

3-oxo-butyric acid 1,3-dimethyl-1-vinyl-but-2-enyl ester
664343-03-7

3-oxo-butyric acid 1,3-dimethyl-1-vinyl-but-2-enyl ester

Conditions
ConditionsYield
With dmap In diethyl ether at 23℃;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

[13C]methanol
14742-26-8

[13C]methanol

[13C]methyl 3-oxobutanoate

[13C]methyl 3-oxobutanoate

Conditions
ConditionsYield
With triethylamine In dichloromethane for 2h; Heating;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

N,N-diethylethylenediamine
100-36-7

N,N-diethylethylenediamine

N-(2-(diethylamino)ethyl)-3-oxobutanamide
590424-03-6

N-(2-(diethylamino)ethyl)-3-oxobutanamide

Conditions
ConditionsYield
In various solvent(s)100%
In dichloromethane at 0 - 20℃; for 0.5h;100%
In tert-butyl methyl ether at 0 - 20℃;93%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

3-oxo-N-(3-phenyl-2-propen-1-yl)-butylamide

3-oxo-N-(3-phenyl-2-propen-1-yl)-butylamide

Conditions
ConditionsYield
With triethylamine In toluene at 70℃; for 3h;100%
With triethylamine In toluene
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

(E)-3-(thien-2-yl)prop-2-en-1-ol
89639-64-5, 3216-44-2

(E)-3-(thien-2-yl)prop-2-en-1-ol

(E)-3-thiophen-2-ylprop-2-en-1-yl 3-oxobutanoate

(E)-3-thiophen-2-ylprop-2-en-1-yl 3-oxobutanoate

Conditions
ConditionsYield
With triethylamine In toluene at 70℃; for 1.5h;100%
With dmap In tetrahydrofuran at 0℃; for 2h; Inert atmosphere;80%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

(E)-3-(4-pyridyl)allyl acetoacetate

(E)-3-(4-pyridyl)allyl acetoacetate

Conditions
ConditionsYield
With triethylamine In toluene at 70℃; for 2h;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

C31H39NOSi
1191252-04-6

C31H39NOSi

C35H43NO3Si
1191252-05-7

C35H43NO3Si

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 2.5h; Inert atmosphere;100%
4-methyleneoxetan-2-one
674-82-8

4-methyleneoxetan-2-one

(R)-1-phenylethanol
1517-69-7

(R)-1-phenylethanol

(R)-1-phenylethyl acetoacetate
123261-65-4

(R)-1-phenylethyl acetoacetate

Conditions
ConditionsYield
With dmap In tetrahydrofuran at 20℃;100%
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