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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

3-Penten-2-one

Cas:625-33-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 3-Penten-2-One supplier in China

Cas:625-33-2

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 3-Penten-2-One

Cas:625-33-2

Min.Order:1

Negotiable

Type:Other

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

625-33-2 C5H8O 3-PENTEN-2-ONE

Cas:625-33-2

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be sent

3-PENTEN-2-ONE

Cas:625-33-2

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Manufacturer supply CAS 625-33-2 with best quality

Cas:625-33-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients 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 Specialized

3-Penten-2-one 625-33-2

Cas:625-33-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

3-PENTEN-2-ONE

Cas:625-33-2

Min.Order:1 Kilogram

FOB Price: $100.0 / 120.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

3-PENTEN-2-ONE CAS:625-33-2 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediate

3-PENTEN-2-ONE CAS:625-33-2

Cas:625-33-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

3-Penten-2-one

Cas:625-33-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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.:625-33-2

Cas:625-33-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several

3-Penten-2-one cas:625-33-2

Cas:625-33-2

Min.Order:25 Gram

FOB Price: $90.0 / 100.0

Type:Trading Company

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

625-33-2 C5H8O 3-PENTEN-2-ONE CAS NO.625-33-2

Cas:625-33-2

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

625-33-2 C5H8O 3-PENTEN-2-ONE CAS NO.625-33-2 CAS NO.625-33-2

Cas:625-33-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Product Name 3-Penten-2-one CAS No 625-33-2 Batch No 20190821 Manufacturing date 20190

3-Penten-2-one manufature

Cas:625-33-2

Min.Order:10 Gram

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

3-penten-2-one

Cas:625-33-2

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

3-Penten-2-One

Cas:625-33-2

Min.Order:0

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 quality 3-Penten-2-One

Cas:625-33-2

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

625-33-2 C5H8O 3-PENTEN-2-ONE CAS NO.625-33-2 CAS NO.625-33-2

Cas:625-33-2

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

3-penten-2-one

Cas:625-33-2

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

3-penten-2-one

Cas:625-33-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

3-penten-2-one

Cas:625-33-2

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

3-penten-2-one

Cas:625-33-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

625-33-2 C5H8O 3-PENTEN-2-ONE CAS NO.625-33-2 CAS NO.625-33-2

Cas:625-33-2

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

625-33-2 C5H8O 3-PENTEN-2-ONE CAS NO.625-33-2 CAS NO.625-33-2

Cas:625-33-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

3-penten-2-one

Cas:625-33-2

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

3-Penten-2-One

Cas:625-33-2

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

(S)-(+)-Rolipram

Cas:625-33-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

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

3-Penten-2-One

Cas:625-33-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

3-Penten-2-one

Cas:625-33-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

4-hydroxypentan-2-one
4161-60-8

4-hydroxypentan-2-one

A

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

3-penten-2-one

B

2,2,4-trifluoropentane
97006-76-3

2,2,4-trifluoropentane

Conditions
ConditionsYield
With sulfur tetrafluoride; sodium fluoride at 20℃; for 3h; autoclave;A 80%
B 20%
With sulfur tetrafluoride; sodium fluoride at 20℃; for 24h; autoclave;A 45%
B 55%
Pent-4-en-2-ol
111957-98-3, 625-31-0

Pent-4-en-2-ol

A

pent-4-en-2-one
13891-87-7

pent-4-en-2-one

B

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

3-penten-2-one

C

2-pentene-1,4-dione
34218-21-8, 34218-22-9, 5729-47-5

2-pentene-1,4-dione

Conditions
ConditionsYield
With tetrapropylammonium perruthennate In dichloromethane at 20℃; for 8h; Molecular sieve;A 74%
B 10%
C 16%
3-penten-2-ol
1569-50-2

3-penten-2-ol

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

3-penten-2-one

Conditions
ConditionsYield
With potassium phosphate; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; Cu2(phenanthroline)2(μ-Cl)2Cl2; oxygen In acetonitrile at 20℃; for 5h;71%
With (1R,2R)-1,2-di(naphthalen-1-yl)ethane-1,2-diamine; tert.-butylhydroperoxide; potassium carbonate In water at 95℃; for 16h;21%
With oxygen; aluminum oxide; ruthenium In various solvent(s) at 82.84℃; for 6h;
5,6-dihydro-4-hydroxy-6-methyl-2H-pyran-2-one
33177-29-6

5,6-dihydro-4-hydroxy-6-methyl-2H-pyran-2-one

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

3-penten-2-one

Conditions
ConditionsYield
In water at 179.84℃; under 25858.1 Torr; Product distribution / selectivity; Inert atmosphere;59.7%
With Amberlyst 70 In water at 99.84℃; under 15751.6 Torr; for 4h; Solvent; Time; Inert atmosphere; Flow reactor;
4-hydroxypentan-2-one
4161-60-8

4-hydroxypentan-2-one

A

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

3-penten-2-one

B

4-(acetyloxy)-2-pentanone
55577-75-8

4-(acetyloxy)-2-pentanone

Conditions
ConditionsYield
With dmap; acetic anhydride; triethylamine Ambient temperature;A 28%
B 53%
With dmap; triethylamine for 2h; Ambient temperature;A 28%
B 53%
acetaldehyde
75-07-0

acetaldehyde

acetone
67-64-1

acetone

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

3-penten-2-one

Conditions
ConditionsYield
With sodium hydroxide In diethyl ether at 0℃; for 5h;9.6%
With sodium hydroxide; diethyl ether und Destillation des Reaktionsprodukts mit wasserfreier Oxalsaeure;
With caesium carbonate In methanol at 20℃; for 5.5h;
With sodium hydroxide In water at 40℃;
With sodium hydroxide In water at 25℃; for 6h;
2-Methyl-4,5-dihydrofuran
1487-15-6

2-Methyl-4,5-dihydrofuran

A

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

3-penten-2-one

B

Cyclopropyl methyl ketone
765-43-5

Cyclopropyl methyl ketone

Conditions
ConditionsYield
at 525℃; Erhitzen;
pent-4-en-2-one
13891-87-7

pent-4-en-2-one

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

3-penten-2-one

Conditions
ConditionsYield
durch verschiedene Agenzien;
With sodium ethanolate
With piperidine
With mineral acid
With hydrogenchloride In gas
Cyclopropyl methyl ketone
765-43-5

Cyclopropyl methyl ketone

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

3-penten-2-one

Conditions
ConditionsYield
at 25 - 170℃; Quantum yield; Photolysis;
propene
187737-37-7

propene

Acetyl bromide
506-96-7

Acetyl bromide

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

3-penten-2-one

Conditions
ConditionsYield
With aluminum tri-bromide; hexane
With carbon disulfide; aluminum tri-bromide
carbamic chloride
463-72-9

carbamic chloride

4-hydroxypentan-2-one
4161-60-8

4-hydroxypentan-2-one

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

3-penten-2-one

4-hydroxypentan-2-one
4161-60-8

4-hydroxypentan-2-one

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

3-penten-2-one

Conditions
ConditionsYield
With iodine at 155℃;
With acetic anhydride; zinc(II) chloride at 150 - 160℃;
at 250℃;
4-bromo-pentan-2-one
113704-77-1

4-bromo-pentan-2-one

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

3-penten-2-one

Conditions
ConditionsYield
With potassium hydrogencarbonate
4-hydroxypentan-2-one
4161-60-8

4-hydroxypentan-2-one

acetic anhydride
108-24-7

acetic anhydride

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

3-penten-2-one

Ketene
463-51-4

Ketene

acetaldehyde
75-07-0

acetaldehyde

A

vinyl acetate
108-05-4

vinyl acetate

B

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

3-penten-2-one

Conditions
ConditionsYield
With sulfuric acid
Ketene
463-51-4

Ketene

acetaldehyde
75-07-0

acetaldehyde

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

3-penten-2-one

Conditions
ConditionsYield
at 25℃; ohne Katalysator;
at 25℃; analog verlaeuft die Einw. auf Propionaldehyd und Butyraldehyd;
acetone
67-64-1

acetone

paracetaldehyde
123-63-7

paracetaldehyde

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

3-penten-2-one

Conditions
ConditionsYield
durch Saettigen des Gemisches mit Chlorwasserstoff und Destillieren des Reaktionsproduktes mit Diaethylanilin;
3,4-pentadien-2-ol
17615-19-9

3,4-pentadien-2-ol

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

3-penten-2-one

Conditions
ConditionsYield
With water; mercury(II) sulfate for 1.5h; Heating;
diethyl acetal
105-57-7

diethyl acetal

trimethyl[(1-methylpropenyl)oxy]-silane
6651-39-4

trimethyl[(1-methylpropenyl)oxy]-silane

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

3-penten-2-one

Conditions
ConditionsYield
With hydrogenchloride; zinc(II) chloride 1.) ethyl acetate, room temp., 18 h; 2.) 80 deg C, 2 h; Yield given. Multistep reaction;
diethyl acetal
105-57-7

diethyl acetal

trimethyl[(1-methylpropenyl)oxy]-silane
6651-39-4

trimethyl[(1-methylpropenyl)oxy]-silane

A

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

3-penten-2-one

B

4-ethoxypentan-2-one
33330-50-6

4-ethoxypentan-2-one

Conditions
ConditionsYield
zinc(II) chloride In ethyl acetate Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
Methyl formate
107-31-3

Methyl formate

bis(trimethylstannyl)methane
16812-43-4

bis(trimethylstannyl)methane

A

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

3-penten-2-one

B

(1Z,4E)-1-Hydroxy-hexa-1,4-dien-3-one

(1Z,4E)-1-Hydroxy-hexa-1,4-dien-3-one

Conditions
ConditionsYield
Yield given. Multistep reaction;
5-Hydroxy-2-pentanone
1071-73-4

5-Hydroxy-2-pentanone

A

2-Methyl-4,5-dihydrofuran
1487-15-6

2-Methyl-4,5-dihydrofuran

B

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

3-penten-2-one

C

Cyclopropyl methyl ketone
765-43-5

Cyclopropyl methyl ketone

D

acetaldehyde
75-07-0

acetaldehyde

E

2-Pentanone
107-87-9

2-Pentanone

F

acetone
67-64-1

acetone

Conditions
ConditionsYield
at 500℃; for 0.005h; Product distribution; other temperatures from 430 to 530 deg C, other reaction time, degree of conversion;
4-oxopentyl acetate
5185-97-7

4-oxopentyl acetate

A

pent-4-en-2-one
13891-87-7

pent-4-en-2-one

B

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

3-penten-2-one

C

acetic acid
64-19-7

acetic acid

Conditions
ConditionsYield
at 380.4℃; Kinetics; Product distribution; Mechanism; other temperatures, various pressures, effect of propene inhibitors; Ea. log A;
4-(butylthio)pent-3-en-2-one
78080-39-4

4-(butylthio)pent-3-en-2-one

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

3-penten-2-one

Conditions
ConditionsYield
With lithium aluminium tetrahydride In diethyl ether 1.) room temperature, 2 h, 2.) 30 min, reflux;27.5 % Chromat.
With lithium aluminium tetrahydride In diethyl ether Product distribution; other reagent, solvent;27.5 % Chromat.
acetaldehyde
75-07-0

acetaldehyde

acetone
67-64-1

acetone

A

4-methyl-pent-3-en-2-one
141-79-7

4-methyl-pent-3-en-2-one

B

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

3-penten-2-one

Conditions
ConditionsYield
With potassium hydroxide Yields of byproduct given;
(E)-4-phenylthiopent-3-en-2-one
78080-40-7

(E)-4-phenylthiopent-3-en-2-one

A

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

3-penten-2-one

B

thiophenol
108-98-5

thiophenol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In diethyl ether 1.) room temperature, 2 h, 2.) 30 min, reflux;A 62.5 % Chromat.
B 6.5 % Chromat.
With lithium aluminium tetrahydride In diethyl ether Product distribution; other reagent, solvent;A 62.5 % Chromat.
B 6.5 % Chromat.
ethene
74-85-1

ethene

acetone
67-64-1

acetone

A

pent-4-en-2-one
13891-87-7

pent-4-en-2-one

B

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

3-penten-2-one

C

hept-6-en-2-one
21889-88-3

hept-6-en-2-one

D

4-oxopentyl acetate
5185-97-7

4-oxopentyl acetate

E

2-Pentanone
107-87-9

2-Pentanone

Conditions
ConditionsYield
With copper diacetate; manganese triacetate In acetic acid at 85℃; under 38000 Torr; for 4h; Product distribution; Mechanism; other solvents, var. conc. of reagents, var. pressure, var. reagent (MnO2);A 30 % Turnov.
B 18 % Turnov.
C 28 % Turnov.
D 14 % Turnov.
E 10 % Turnov.
acetone
67-64-1

acetone

A

4-methyl-pent-3-en-2-one
141-79-7

4-methyl-pent-3-en-2-one

B

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

3-penten-2-one

Conditions
ConditionsYield
With potassium hydroxide; acetaldehyde Yield given;
cellulose

cellulose

A

2,5-dimethylfuran
625-86-5

2,5-dimethylfuran

B

5-Methylfurfural
620-02-0

5-Methylfurfural

C

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

3-penten-2-one

D

phenol
108-95-2

phenol

Conditions
ConditionsYield
With air at 400 - 550℃; Oxidation; Formation of xenobiotics;
3-penten-2-one
625-33-2

3-penten-2-one

2-Pentanone
107-87-9

2-Pentanone

Conditions
ConditionsYield
With limonene.; palladium on activated charcoal for 0.25h; Heating;100%
With potassium bis(trimethylsilyl)amide In tetrahydrofuran at 0℃; for 6h;94.2%
With hydrogen; 1,5-hexadienerhodium(I)-chloride dimer In hexane for 3h; Ambient temperature; pH=7.6;71%
(furan-2-yloxy)-trimethylsilane
61550-02-5

(furan-2-yloxy)-trimethylsilane

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

3-penten-2-one

C9H12O3

C9H12O3

Conditions
ConditionsYield
With [Cu((S,S)-(C6H5CHCH2OCN)2C(CH3)2)](CF3SO3)2; 1,1,1,3',3',3'-hexafluoro-propanol In toluene at 20℃; for 5h;100%
4-Methoxybenzenethiol
696-63-9

4-Methoxybenzenethiol

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

3-penten-2-one

4-(4-methoxyphenylthio) pentan-2-one
1233849-11-0

4-(4-methoxyphenylthio) pentan-2-one

Conditions
ConditionsYield
With 1-methyl-imidazolium p-toluenesulfonic acid at 20℃; for 4h; Michael addition; neat (no solvent);99%
With [Ni(2,6-bis[[(S)-2-(methyloxycarbonyl)-1-pyrrolidinyl]methyl]-pyridine)(CH3CN)](ClO4)2*H2O In acetonitrile at 20℃; for 2h; Michael Addition; Inert atmosphere; Schlenk technique;96%
With C39H47N7Ni2O5(3+)*3ClO4(1-) In acetonitrile at 20℃; for 2h; thia-Michael addition;41%
3-penten-2-one
625-33-2

3-penten-2-one

nitromethane
75-52-5

nitromethane

(R)-4-methyl-5-nitropentan-2-one

(R)-4-methyl-5-nitropentan-2-one

Conditions
ConditionsYield
With 9-epi-9-amino-9-deoxyquinine; N,N,N',N'-tetramethyl-1,8-diaminonaphthalene; benzoic acid at 40℃; for 144h; Michael Addition; enantioselective reaction;99%
With (S)-N1-cyclohexyl-3,3-dimethylbutane-1,2-diamine; benzoic acid In dichloromethane at 30℃; for 48h; Michael Addition; enantioselective reaction;80%
3-penten-2-one
625-33-2

3-penten-2-one

phenylboronic acid
98-80-6

phenylboronic acid

(S)-4-phenylpentan-2-one
32587-80-7

(S)-4-phenylpentan-2-one

Conditions
ConditionsYield
With chlorobis(ethylene)rhodium(I) dimer; [(η5-1-bis(3,5-dimethylphenyl)phosphino-2-(3-diphenylphosphino-2-methylpropenyl)cyclopentadienyl-P)]manganese(I) dicarbonyl; potassium hydroxide In 1,4-dioxane; water at 50℃; for 9h; Inert atmosphere; enantioselective reaction;99%
With chlorobis(ethylene)rhodium(I) dimer; C41H24F12O2P2; potassium hydroxide In water; toluene at 20℃; for 4h; Inert atmosphere; Schlenk technique; enantioselective reaction;95%
With chlorobis(ethylene)rhodium(I) dimer; C41H24F12O2P2; potassium hydroxide In water; toluene at 20℃; for 0.5h; Inert atmosphere; Schlenk technique;95%
With C17H27NO In water; toluene at 100℃; for 12h; Inert atmosphere;91%
With heterogeneous Rh/Ag bimetallic nanoparticle catalyst immobilized on chiral polymer In water; toluene at 100℃; for 24h; Inert atmosphere; enantioselective reaction;90%
3-penten-2-one
625-33-2

3-penten-2-one

4-methylphenylboronic acid
5720-05-8

4-methylphenylboronic acid

(S)-4-(4-methylphenyl)-2-pentanone
69657-27-8

(S)-4-(4-methylphenyl)-2-pentanone

Conditions
ConditionsYield
With chlorobis(ethylene)rhodium(I) dimer; C41H24F12O2P2; potassium hydroxide In water; toluene at 20℃; for 4h; Inert atmosphere; Schlenk technique; enantioselective reaction;99%
3-penten-2-one
625-33-2

3-penten-2-one

trimetylsilylketene
4071-85-6

trimetylsilylketene

3-methyl-hexa-2,4-dienoic acid
3780-59-4

3-methyl-hexa-2,4-dienoic acid

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In diethyl ether Ambient temperature;98%
3-penten-2-one
625-33-2

3-penten-2-one

urethane
51-79-6

urethane

ethyl 4-oxopentan-2-ylcarbamate
1353002-67-1

ethyl 4-oxopentan-2-ylcarbamate

Conditions
ConditionsYield
With 1-methyl-imidazolium p-toluenesulfonic acid at 20℃; for 16h; Michael addition; neat (no solvent);98%
3-penten-2-one
625-33-2

3-penten-2-one

4,9-dihydro-9-(p-toluenesulfonyl)-3H-pyrido-<3,4-b>indole
145865-96-9

4,9-dihydro-9-(p-toluenesulfonyl)-3H-pyrido-<3,4-b>indole

(4R,12bS)-4-methyl-12-tosyl-1,3,4,6,7,12b-hexahydroindolo[2,3-a]quinolizin-2(12H)-one
1421697-76-8

(4R,12bS)-4-methyl-12-tosyl-1,3,4,6,7,12b-hexahydroindolo[2,3-a]quinolizin-2(12H)-one

Conditions
ConditionsYield
With (S)-2-(3-((1R,2R)-2-aminocyclohexyl)thioureido)-N-benzhydryl-N,3,3-trimethylbutanamide; acetic acid In toluene at 4℃; for 48h; Diels-Alder Cycloaddition; Inert atmosphere; enantioselective reaction;97%
3-penten-2-one
625-33-2

3-penten-2-one

phenylmethanethiol
100-53-8

phenylmethanethiol

C12H16OS

C12H16OS

Conditions
ConditionsYield
With C38H54ClFeN2O2 In 1,2-dichloro-ethane at -5℃; for 32h; enantioselective reaction;97%
3-penten-2-one
625-33-2

3-penten-2-one

O-p-toluenesulfonyl benzyloxyhydroxamate
64420-86-6

O-p-toluenesulfonyl benzyloxyhydroxamate

2-acetyl-3-methylaziridine-1-carboxylic acid benzyl ester
1096017-08-1

2-acetyl-3-methylaziridine-1-carboxylic acid benzyl ester

Conditions
ConditionsYield
Stage #1: 3-penten-2-one With 1.5C13H17NO4*C20H27N3O In chloroform at 23℃; for 0.166667h;
Stage #2: O-p-toluenesulfonyl benzyloxyhydroxamate With sodium hydrogencarbonate In chloroform at 23℃; for 16h; optical yield given as %ee; enantioselective reaction;
96%
3-penten-2-one
625-33-2

3-penten-2-one

1,1-diphenylethanol
599-67-7

1,1-diphenylethanol

4-methyl-6,6-diphenylhex-5-en-2-one
95071-06-0

4-methyl-6,6-diphenylhex-5-en-2-one

Conditions
ConditionsYield
With 4-n-butyl-4-(3-sulfopropyl)thiomorpholinium 1,1-dioxide trifluoromethane sulfonate at 70℃; for 0.5h; Michael Addition; Green chemistry;96%
3-methylindolin-2-one
1504-06-9

3-methylindolin-2-one

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

3-penten-2-one

A

C14H17NO2

C14H17NO2

B

(R)-3-methyl-3-((S)-4-oxopentan-2-yl)indolin-2-one

(R)-3-methyl-3-((S)-4-oxopentan-2-yl)indolin-2-one

Conditions
ConditionsYield
With Boc-D-Phg-OH; (R,R)-1,2-diphenylethylenediamine In toluene at 20℃; for 24h; Michael Addition; stereoselective reaction;A n/a
B 96%
3-penten-2-one
625-33-2

3-penten-2-one

A

butanone
78-93-3

butanone

B

iso-butanol
78-92-2, 15892-23-6

iso-butanol

Conditions
ConditionsYield
With hydrogen; In diethylene glycol dimethyl ether; water at 30℃; under 735.5 Torr; for 5h; Kinetics; reaction profiles reactions of hydrogenation of some unsatureted ketones;A 95.3%
B 4.7%
n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

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

3-penten-2-one

tert-butylisonitrile
119072-55-8, 7188-38-7

tert-butylisonitrile

4-methyl-5-(N-tert-butylimino)-2-nonanone
92803-27-5

4-methyl-5-(N-tert-butylimino)-2-nonanone

Conditions
ConditionsYield
With copper(l) iodide; boron trifluoride diethyl etherate In diethyl ether at -78 - 0℃; for 0.5h; Product distribution; reactions of Cu(I) aldimines with α,β-unsaturated carbonyl compounds;95%
With copper(l) iodide; boron trifluoride diethyl etherate; sodium carbonate In diethyl ether -78 degC, 30 min, than 0 degC;95%
indole
120-72-9

indole

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

3-penten-2-one

4-(1H-indol-3-yl)pentan-2-one
59715-09-2

4-(1H-indol-3-yl)pentan-2-one

Conditions
ConditionsYield
With aluminium(III) triflate at 80℃; for 0.133333h; Time; Wavelength; Microwave irradiation; regioselective reaction;95%
With N-[(perfluorobutyl)sulfonyl]-3-{N-[(perfluorobutyl)sulfonyl]sulfamoyl}benzamide In water at 30℃; for 3h; Temperature; Michael Addition;91%
With ionic liquid immobilized on silica-SO2Cl In diethyl ether at 20℃; for 5h;90%
3-penten-2-one
625-33-2

3-penten-2-one

phenylboronic acid
98-80-6

phenylboronic acid

(4R)-4-phenylpentan-2-one
67110-72-9

(4R)-4-phenylpentan-2-one

Conditions
ConditionsYield
With BF4(1-)*C68H44N2O4P2Rh(1+); water; potassium hydroxide In 1,4-dioxane at 60℃; for 1h; Anaerobic conditions; Combinatorial reaction / High throughput screening (HTS); optical yield given as %ee; enantioselective reaction;95%
With chlorobis(ethylene)rhodium(I) dimer; (RS)-N-(cinnamyl)-2-methylpropane-2-sulfinamide; potassium hydroxide In methanol; water at 40℃; Inert atmosphere; optical yield given as %ee; enantioselective reaction;78%
With chlorobis(ethylene)rhodium(I) dimer; [η5-1-bis(3,5-di(trifluormethylphenyl)phosphino-2-(3-diphenylphosphino-2-methylpropenyl)cyclopentadienyl-P)]manganese(I) dicarbonyl; potassium hydroxide In 1,4-dioxane; water at 50℃; for 9h; Reagent/catalyst; Inert atmosphere; enantioselective reaction;60%
3-penten-2-one
625-33-2

3-penten-2-one

5-phenyl-2H-1,2,3,4-tetrazole
18039-42-4

5-phenyl-2H-1,2,3,4-tetrazole

4-(5-phenyl-2H-tetrazol-2-yl) pentan-2-one
1353002-70-6

4-(5-phenyl-2H-tetrazol-2-yl) pentan-2-one

Conditions
ConditionsYield
With 1-methyl-imidazolium p-toluenesulfonic acid In dichloromethane at 20℃; for 1h; Michael addition;95%
3-penten-2-one
625-33-2

3-penten-2-one

2,3-dihydro-3-oxo-1H-isoindole-1-carboxylic acid ethyl ester
20361-10-8

2,3-dihydro-3-oxo-1H-isoindole-1-carboxylic acid ethyl ester

ethyl 3-oxo-1-(4-oxopentan-2-yl)isoindoline-1-carboxylate

ethyl 3-oxo-1-(4-oxopentan-2-yl)isoindoline-1-carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 20℃; for 8h; Michael Addition;95%
3-penten-2-one
625-33-2

3-penten-2-one

(4-chlorophenyl)methanethiol
6258-66-8

(4-chlorophenyl)methanethiol

(S)-4-(4-chlorobenzylthio)pentan-2-one

(S)-4-(4-chlorobenzylthio)pentan-2-one

Conditions
ConditionsYield
With C38H54ClFeN2O2 In 1,2-dichloro-ethane at -5℃; for 31h; enantioselective reaction;95%
Stage #1: 3-penten-2-one With nanoparticles of Iron(II)-folded copolymer from N-isopropylacrylamide and 4-benzyl-2-vinyloxazoline In water for 0.0833333h; Michael Addition;
Stage #2: (4-chlorophenyl)methanethiol In water at 25℃; for 48h; Michael Addition; enantioselective reaction;
94%
3-penten-2-one
625-33-2

3-penten-2-one

4-methoxy-aniline
104-94-9

4-methoxy-aniline

2,4-dimethyl-6-methoxyquinoline
113407-86-6

2,4-dimethyl-6-methoxyquinoline

Conditions
ConditionsYield
With phosphomolybdic acid; sodium dodecyl-sulfate In water; toluene at 80℃; for 0.833333h;94%
2-methyl-1H-indole
95-20-5

2-methyl-1H-indole

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

3-penten-2-one

1-methyl-3-(1H-2-methyl-indol-3-yl)-butan-1-one

1-methyl-3-(1H-2-methyl-indol-3-yl)-butan-1-one

Conditions
ConditionsYield
With sodium ligninsulfonate-immobilized Sc(OTf)3 In ethanol Michael Addition;94%
3-penten-2-one
625-33-2

3-penten-2-one

2-benzyl-4,5-dihydro-4H-1,3-dithiolanylium tetrafluoroborat

2-benzyl-4,5-dihydro-4H-1,3-dithiolanylium tetrafluoroborat

5-(1,3-dithiolan-2-ylidene)-4-methyl-5-phenylpentan-2-one

5-(1,3-dithiolan-2-ylidene)-4-methyl-5-phenylpentan-2-one

Conditions
ConditionsYield
In acetonitrile at 20℃; for 1h; Reagent/catalyst; Michael Addition;94%
4-n-chlorophenylacetylene
873-73-4

4-n-chlorophenylacetylene

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

3-penten-2-one

trimethoxy(phenylethynyl)silane
58458-85-8

trimethoxy(phenylethynyl)silane

(Z)-6-(4-chlorophenyl)-4-methyl-8-phenyloct-5-en-7-yn-2-one

(Z)-6-(4-chlorophenyl)-4-methyl-8-phenyloct-5-en-7-yn-2-one

Conditions
ConditionsYield
With nickel(II) iodide; methanol; zinc In N,N-dimethyl-formamide at 20℃; for 18h; Schlenk technique; Sealed tube; Inert atmosphere; stereoselective reaction;94%
3-penten-2-one
625-33-2

3-penten-2-one

methyl 2-isocyanopropanoate
39748-15-7, 33115-74-1

methyl 2-isocyanopropanoate

2-Isocyano-2,3-dimethyl-5-oxo-hexanoic acid methyl ester
125294-54-4, 125294-55-5

2-Isocyano-2,3-dimethyl-5-oxo-hexanoic acid methyl ester

Conditions
ConditionsYield
tetrabutyl ammonium fluoride In tetrahydrofuran for 3h; Ambient temperature;93%
5-bromo-1H-indole
10075-50-0

5-bromo-1H-indole

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

3-penten-2-one

4-(5-bromo-1H-indol-3-yl)pentan-2-one
1018636-36-6

4-(5-bromo-1H-indol-3-yl)pentan-2-one

Conditions
ConditionsYield
With N-[(perfluorobutyl)sulfonyl]-3-{N-[(perfluorobutyl)sulfonyl]sulfamoyl}benzamide In water at 30℃; for 5h; Michael Addition;93%
With zirconium(IV) chloride In dichloromethane at 20℃;72%
3-penten-2-one
625-33-2

3-penten-2-one

(5-hexen-1-ylsulfonyl)-benzene
41795-35-1

(5-hexen-1-ylsulfonyl)-benzene

8-(phenylsulfonyl)-3-octen-2-one
1235835-70-7

8-(phenylsulfonyl)-3-octen-2-one

Conditions
ConditionsYield
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane at 20℃; for 13h;93%
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane at 20℃; for 13h;93%
3-penten-2-one
625-33-2

3-penten-2-one

3-penten-2-ol
1569-50-2

3-penten-2-ol

Conditions
ConditionsYield
With cadmium tetrahydroborate In acetonitrile for 24h; Mechanism; Ambient temperature;92%
With cadmium tetrahydroborate In acetonitrile for 24h; Ambient temperature;92%
With sodium tetrahydroborate In tetrahydrofuran; methanol at 0℃; for 0.333333h;70%
1,2,3-Benzotriazole
95-14-7

1,2,3-Benzotriazole

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

3-penten-2-one

4-(1H-benzo[d][1,2,3]triazol-1-yl)pentan-2-one
1340332-19-5

4-(1H-benzo[d][1,2,3]triazol-1-yl)pentan-2-one

Conditions
ConditionsYield
With 1-methyl-imidazolium p-toluenesulfonic acid In dichloromethane at 20℃; for 3h; Michael addition;92%
2-phenylpyridine
1008-89-5

2-phenylpyridine

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

3-penten-2-one

4-(2-(pyridin-2-yl)phenyl)pentan-2-one

4-(2-(pyridin-2-yl)phenyl)pentan-2-one

Conditions
ConditionsYield
With silver hexafluoroantimonate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; acetic acid at 25℃; for 30h; Inert atmosphere; Darkness;92%

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