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hangzhou verychem science and technology co.ltd

Product name: Crotonic acid, trans-2-Butenoic acid Cas No: 3724-65-0 (mix) Assay: 99%min Commercial Hangzhou Verychem Science And Technology Co. Ltd. was set up in year 2004, it’s a

Fast Delivery Manufacturer 107-93-7 chine supplier

Cas:3724-65-0

Min.Order:1 Kilogram

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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Crotonic Acid

Cas:3724-65-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hefei TNJ chemical industry co.,ltd

Monoclinic acicular or ribbed crystal,with Melting point 70-72 °C and boiling point 180-181 °C,and It’s Corrosive and low toxicity. It should store away from curing agent and alkali.It can be sed in coatings, copolymer, medicine, pest

Crotonic Acid

Cas:3724-65-0

Min.Order:1 Metric Ton

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap

2-Butenoic acid

Cas:3724-65-0

Min.Order:1 Kilogram

FOB Price: $8.0

Type:Manufacturers

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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

Crotonic acid

Cas:3724-65-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company

TIANFU-CHEM - Crotonic acid

Cas:3724-65-0

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

Product Name: Crotonic acid Synonyms: solidcrotonicacid;2-BUTENOIC ACID;1-PROPENE-1-CARBOXYLIC ACID;3-METHYLACRYLIC ACID;β-Methylacrylic acid;BUT-2-ENOIC ACID;BUTENOIC ACID;BETA-METHYLACRYLIC ACID

Crotonic acid

Cas:3724-65-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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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.:3724-65-0

Cas:3724-65-0

Min.Order:0

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

CROTONIC ACID

Cas:3724-65-0

Min.Order:0

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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 Crotonicacid

Cas:3724-65-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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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,

Crotonic Acid

Cas:3724-65-0

Min.Order:1 Kilogram

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Wuhan Fortuna Chemical Co.,Ltd

1.Product name:crotonic acid 2.CAS:3724-65-0 3.MF:C4H6O2 4.MW:86.09 5.Appearance:white crystalline powder 6.Assay:99%MIN 7.Package:25KG/drum Appearance:white powder Package:as celient requirement Port:ANY PORT OF CHINA

crotonic acid

Cas:3724-65-0

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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Kono Chem Co.,Ltd

Xi'an Kono Chem Co., Ltd., founded in 2014, is a holding enterprise of Hongkong Pioneer Biotech Group. It is an export-oriented manufacturing enterprise supported by the Ministry of Commerce. Kono Chem is located in Xi'an, Shaanxi Provin

Crotonic Acid

Cas:3724-65-0

Min.Order:25 Kilogram

FOB Price: $30.0

Type:Other

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white crystalline solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:as per your request Application:Used as Pharmaceutical Intermediates,ect. T

Crotonic acid supplier in China

Cas:3724-65-0

Min.Order:10 Gram

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GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

Crotonic acid

Cas:3724-65-0

Min.Order:0

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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

Crotonic Acid

Cas:3724-65-0

Min.Order:100 Gram

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Type:Lab/Research institutions

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Aecochem Corp.

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

Crotonicacid

Cas:3724-65-0

Min.Order:0

Negotiable

Type:Manufacturers

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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 3724-65-0 with best price

Cas:3724-65-0

Min.Order:1 Kilogram

FOB Price: $112.0

Type:Trading Company

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Hangzhou Ocean Chemical Co., Ltd.

★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support

Crotonic acid

Cas:3724-65-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

Top sale CAS:3724-65-0 Crotonic Acid Application:Top sale CAS:3724-65-0 Crotonic Acid

Top sale CAS:3724-65-0 Crotonic Acid

Cas:3724-65-0

Min.Order:0

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Type:Other

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Luyunjia Chemistry Xiamen Limited

Xiamen Luyunjia Trading Co.,Ltd Package:1kg/bag; 2350kg/drum, or as customer's request. Application:Xiamen Luyunjia Trading Co.,Ltd Transportation:DHL, EMS, FedEx, TNT, AIR, SEA Port:Beijing,Shanghai,Guangzhou ,China main port

Crotonic acid

Cas:3724-65-0

Min.Order:0

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Hunan Longxianng Runhui Trading Co.,Ltd

Top sale CAS:3724-65-0 Crotonic AcidAppearance:powder Storage:keep dry Package:25kg/bag or follow your requirement Application:Agrochemicals intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airpo

Top sale CAS:3724-65-0 Crotonic Acid

Cas:3724-65-0

Min.Order:0

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Type:Lab/Research institutions

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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

Crotonic acid 3724-65-0

Cas:3724-65-0

Min.Order:0

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Type:Trading Company

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Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

Crotonic acid

Cas:3724-65-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Bide Pharmatech Ltd

Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical

But-2-enoic acid

Cas:3724-65-0

Min.Order:0

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Type:Other

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Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

Crotonic acid

Cas:3724-65-0

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

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HENAN SUNLAKE ENTERPRISE CORPORATION

Crotonic acid Basic information Product Name: Crotonic acid Synonyms: ’rotonicacid;2-Butensαure;3-methyl-acrylicaci;3-Methylacrylsαure;a-butenoica

3724-65-0 C4H6O2 Crotonic acid

Cas:3724-65-0

Min.Order:10 Gram

Negotiable

Type:Trading Company

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Changzhou Extraordinary Pharmatech co.,LTD

Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa

2-butenoic acid

Cas:3724-65-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Jilin Tiandicheng Biotech Co.,Ltd

Price, Service, Company and Transport Advantage: 1. Best service, high quality and reasonable price 2. It's customers' right to choose the package (EMS, DHL, FedEx, UPS); 3. It's customers' right to choose the packing

Crotonic Acid Superior purity Golden supplier CAS NO.3724-65-0

Cas:3724-65-0

Min.Order:10 Gram

Negotiable

Type:Trading Company

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Watson International Ltd

Watson International Ltd' has a very strong R&D and technical capacity supported by FCAD's platform. The subsidiaries under FCAD Group have accumulated much know-how of different fine chemical branches. For example, Apnoke Scientific L

Crotonicacid

Cas:3724-65-0

Min.Order:1 Gram

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Type:Lab/Research institutions

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Synthetic route

but-2-enenitrile
4786-20-3

but-2-enenitrile

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
enzyme from Synechocystis sp. PCC 6803 In phosphate buffer at 30℃; for 12h; pH=7.2;98%
carbon monoxide
201230-82-2

carbon monoxide

allyl alcohol
107-18-6

allyl alcohol

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
1,4-di(diphenylphosphino)-butane; bis(dibenzylideneacetone)-palladium(0) In 1,2-dimethoxyethane at 190℃; under 30400 Torr; for 48h;93%
crotonaldehyde
123-73-9

crotonaldehyde

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
With tert.-butylhydroperoxide; ammonium cerium (IV) nitrate In water; acetonitrile at 20℃; for 20h; Kinetics; Concentration; chemoselective reaction;92%
With (bipyH2)-CrOCl5 In dichloromethane at 28 - 30℃; for 0.5h;90%
With tert.-butylhydroperoxide; Ammonium iron sulfate In water; dimethyl sulfoxide at 80℃; for 4h; chemoselective reaction;90%
(E/Z)-2-buten-1-ol
6117-91-5

(E/Z)-2-buten-1-ol

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
With tert.-butylhydroperoxide; ammonium cerium (IV) nitrate In water; acetonitrile at 20℃; for 31h; chemoselective reaction;90%
With tert.-butylhydroperoxide; copper(ll) bromide In water; dimethyl sulfoxide for 24h; Inert atmosphere; Reflux; chemoselective reaction;89%
With sodium hydroxide; hexacyanoferrate(III); sodium ruthenate(VI) In water Thermodynamic data; Kinetics; Mechanism;
With oxygen In toluene at 100℃; under 750.075 Torr; for 0.5h; Catalytic behavior; Reagent/catalyst;
With oxygen In toluene at 80℃; under 750.075 Torr; Catalytic behavior;
2,3-dibromobutanoic acid
600-30-6

2,3-dibromobutanoic acid

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
With sodium hydroxide; sodium tetrahydroborate; 1,2-di(thiophen-2-yl)ditelluride In ethanol; water Ambient temperature;75%
ethyl crotonate
10544-63-5

ethyl crotonate

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
With Dowex-50 In water for 12h; Heating;65%
With sodium hydroxide In methanol; dichloromethane at 20℃; for 0.25h;
3-penten-2-one
625-33-2

3-penten-2-one

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
With Oxone; trifluoroacetic acid In 1,4-dioxane for 10h; Reflux; Green chemistry;58%
crotonyl chloride
10487-71-5

crotonyl chloride

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

Shikonin Crotonate
84273-03-0

Shikonin Crotonate

Conditions
ConditionsYield
for 12h;A n/a
B 45%
(R)-3-(Tolylthio)butyric acid
141079-81-4

(R)-3-(Tolylthio)butyric acid

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

(R)-3-((R)-Toluene-4-sulfinyl)-butyric acid
141096-33-5

(R)-3-((R)-Toluene-4-sulfinyl)-butyric acid

C

(R)-3-((S)-Toluene-4-sulfinyl)-butyric acid
110968-84-8

(R)-3-((S)-Toluene-4-sulfinyl)-butyric acid

Conditions
ConditionsYield
With dihydrogen peroxide In acetone 1.) 0 deg C, 2 h, 2.) rt, 20 h;A 2%
B 45%
C 23.5%
(R)-3-(Phenylthio)buttersaeure
115395-14-7

(R)-3-(Phenylthio)buttersaeure

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

(R)-3-<(R)-Phenylsulfinyl>butyric acid
141096-32-4

(R)-3-<(R)-Phenylsulfinyl>butyric acid

C

(R)-3-<(S)-Phenylsulfinyl>butyric acid
115395-15-8

(R)-3-<(S)-Phenylsulfinyl>butyric acid

Conditions
ConditionsYield
With dihydrogen peroxide In acetone 1.) 0 deg C, 2 h, 2.) rt, 20 h;A 3%
B 39%
C 11%
With dihydrogen peroxide In acetone 1.) 0 deg C, 2 h, 2.) rt, 20 h;A 2%
B 11%
C 11%
(R)-3-(4-Fluoro-phenylsulfanyl)-butyric acid
141079-82-5

(R)-3-(4-Fluoro-phenylsulfanyl)-butyric acid

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

(R)-3-((R)-4-Fluoro-benzenesulfinyl)-butyric acid
141079-90-5

(R)-3-((R)-4-Fluoro-benzenesulfinyl)-butyric acid

C

(R)-3-((S)-4-Fluoro-benzenesulfinyl)-butyric acid
141079-91-6

(R)-3-((S)-4-Fluoro-benzenesulfinyl)-butyric acid

Conditions
ConditionsYield
With dihydrogen peroxide In acetone 1.) 0 deg C, 2 h, 2.) rt, 20 h;A 2%
B 38%
C n/a
(S)-3-(2-Chloro-phenylsulfanyl)-butyric acid
141079-88-1

(S)-3-(2-Chloro-phenylsulfanyl)-butyric acid

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

(S)-3-((R)-2-Chloro-benzenesulfinyl)-butyric acid
141080-03-7

(S)-3-((R)-2-Chloro-benzenesulfinyl)-butyric acid

C

(S)-3-((S)-2-Chloro-benzenesulfinyl)-butyric acid
141080-02-6

(S)-3-((S)-2-Chloro-benzenesulfinyl)-butyric acid

Conditions
ConditionsYield
With dihydrogen peroxide In acetone 1.) 0 deg C, 2 h, 2.) rt, 7 d;A 29%
B 15%
C n/a
(R)-3-(Methylthio)butyric acid
141079-84-7

(R)-3-(Methylthio)butyric acid

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

(R)-3-Methanesulfinyl-butyric acid
141079-94-9, 141079-95-0

(R)-3-Methanesulfinyl-butyric acid

Conditions
ConditionsYield
With dihydrogen peroxide In acetone 1.) 0 deg C, 2 h, 2.) rt, 20 h; Yield given;A 2%
B n/a
(R)-3-(2,6-Dimethyl-phenylsulfanyl)-butyric acid
141079-83-6

(R)-3-(2,6-Dimethyl-phenylsulfanyl)-butyric acid

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

(R)-3-(2,6-Dimethyl-benzenesulfinyl)-butyric acid
141079-92-7, 141079-93-8

(R)-3-(2,6-Dimethyl-benzenesulfinyl)-butyric acid

Conditions
ConditionsYield
With dihydrogen peroxide In acetone 1.) 0 deg C, 2 h, 2.) rt, 20 h; Yield given;A 2%
B n/a
(R)-3-(tert-Butylthio)butyric acid
141079-85-8

(R)-3-(tert-Butylthio)butyric acid

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

(R)-3-(2-Methyl-propane-2-sulfinyl)-butyric acid
141079-96-1, 141079-97-2

(R)-3-(2-Methyl-propane-2-sulfinyl)-butyric acid

Conditions
ConditionsYield
With dihydrogen peroxide In acetone 1.) 0 deg C, 2 h, 2.) rt, 20 h; Yield given;A 1%
B n/a
pyridine
110-86-1

pyridine

3-chloro-2-iodo-butyric acid
857780-67-7

3-chloro-2-iodo-butyric acid

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

2-iodo-crotonic acid

2-iodo-crotonic acid

pyridine
110-86-1

pyridine

diethyl ether
60-29-7

diethyl ether

malonic acid
141-82-2

malonic acid

acetaldehyde
75-07-0

acetaldehyde

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
anfangs in Eiswasser, dann bei Zimmertemperatur;
pyridine
110-86-1

pyridine

diethyl ether
60-29-7

diethyl ether

malonic acid
141-82-2

malonic acid

acetaldehyde
75-07-0

acetaldehyde

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

3-Hydroxybutyric acid
300-85-6, 625-71-8

3-Hydroxybutyric acid

Conditions
ConditionsYield
anfangs in Eiswasser, dann bei Zimmertemperatur;
pyridine
110-86-1

pyridine

ethanol
64-17-5

ethanol

malonic acid
141-82-2

malonic acid

acetaldehyde
75-07-0

acetaldehyde

2-butenoic acid
3724-65-0

2-butenoic acid

carbon disulfide
75-15-0

carbon disulfide

(Z)-but-2-enoic acid
503-64-0

(Z)-but-2-enoic acid

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
Sonnenlicht;
tetrachloromethane
56-23-5

tetrachloromethane

but-3-enoic acid
625-38-7

but-3-enoic acid

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
Geschwindigkeit;
at 100℃; Geschwindigkeit;
at 150℃; Geschwindigkeit;
tetrachloromethane
56-23-5

tetrachloromethane

3-fluorobutyric acid
2105-80-8

3-fluorobutyric acid

2-butenoic acid
3724-65-0

2-butenoic acid

but-3-enoic acid
625-38-7

but-3-enoic acid

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

2-butenoic acid
3724-65-0

2-butenoic acid

but-3-enoic acid
625-38-7

but-3-enoic acid

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

3-Hydroxybutyric acid
300-85-6, 625-71-8

3-Hydroxybutyric acid

but-3-enoic acid
625-38-7

but-3-enoic acid

2-butenoic acid
3724-65-0

2-butenoic acid

Conditions
ConditionsYield
beim Kochen;
3-ethoxybutanoic acid
19878-71-8

3-ethoxybutanoic acid

A

2-butenoic acid
3724-65-0

2-butenoic acid

B

ethanol
64-17-5

ethanol

Conditions
ConditionsYield
bei der Destillation;
(Z)-but-2-enoic acid
503-64-0

(Z)-but-2-enoic acid

2-butenoic acid
3724-65-0

2-butenoic acid

2-butenoic acid
3724-65-0

2-butenoic acid

butyric acid
107-92-6

butyric acid

Conditions
ConditionsYield
With potassium hydroxide; hydrogen; [RhCl(Ph3P)2]; Ph2PO2CCH=CMe2 In acetone at 22℃; under 2280 Torr; for 17h;100%
With sodium tetrahydroborate; sodium hydroxide In water at 20 - 60℃;90%
With sodium hydroxide; hydrogen; nickel In water hydrogen generated in situ electrochemically on Raney nickel electrode;60%
2-butenoic acid
3724-65-0

2-butenoic acid

crotonic anhydride
623-68-7

crotonic anhydride

Conditions
ConditionsYield
With N,N-bis[2-oxo-3-oxazolidinyl]phosphorodiamidic chloride; triethylamine In dichloromethane at 20℃; for 0.5h;100%
With isocyanate de chlorosulfonyle; triethylamine In dichloromethane for 7h; Ambient temperature;86%
With N,N,N',N'-tetramethylchlorformamidinium chloride; triethylamine In dichloromethane at -30 - 20℃; for 18h;83%
piperidine
110-89-4

piperidine

2-butenoic acid
3724-65-0

2-butenoic acid

1-crotonoylpiperidine
50838-22-7

1-crotonoylpiperidine

Conditions
ConditionsYield
With N,N-bis[2-oxo-3-oxazolidinyl]phosphorodiamidic chloride; triethylamine In dichloromethane at 20 - 25℃; for 1h;100%
Yield given. Multistep reaction;
2-butenoic acid
3724-65-0

2-butenoic acid

benzylamine
100-46-9

benzylamine

N-benzyl-3-methylpropenamide
51944-67-3

N-benzyl-3-methylpropenamide

Conditions
ConditionsYield
With silica gel at 130℃; for 1.33333h; Microwave irradiation; Green chemistry;100%
Stage #1: 2-butenoic acid With 4-methyl-morpholine In tetrahydrofuran for 3h;
Stage #2: benzylamine With 4-methyl-morpholine In tetrahydrofuran for 3h; Further stages.;
86%
With 1-hydroxybenzotriazol-hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In acetonitrile at 20℃; for 0.0833333h;79%
Yield given. Multistep reaction;
2-butenoic acid
3724-65-0

2-butenoic acid

D,L-3-azidobutyric acid
138051-81-7

D,L-3-azidobutyric acid

Conditions
ConditionsYield
With trimethylsilylazide In neat (no solvent) at 60℃; for 12h;99%
2-butenoic acid
3724-65-0

2-butenoic acid

acrylic acid
79-10-7

acrylic acid

zinc(II) oxide

zinc(II) oxide

zinc acrylate-crotonate

zinc acrylate-crotonate

Conditions
ConditionsYield
In water98.7%
2-butenoic acid
3724-65-0

2-butenoic acid

3-bromobutyric acid
2623-86-1

3-bromobutyric acid

Conditions
ConditionsYield
With hydrogen bromide In diethyl ether at 0℃; for 16h; Inert atmosphere;98%
With hydrogen bromide; acetic acid at 20℃; for 2h;93%
2-butenoic acid
3724-65-0

2-butenoic acid

N-p-toluenesulfonylpyrrole
17639-64-4

N-p-toluenesulfonylpyrrole

4-methyl-1-tosyl-4,5-dihydrocyclopenta[b]pyrrol-6-one
1536277-53-8

4-methyl-1-tosyl-4,5-dihydrocyclopenta[b]pyrrol-6-one

Conditions
ConditionsYield
With {[Zn4(pdpa)2(H2O)8]*H2O}n; trifluoroacetic anhydride In 1,2-dichloro-ethane for 4h; Reagent/catalyst; Nazarov Cyclization; Reflux;98%
With C10H2N16(4-)*3H2O*4Ag(1+); trifluoroacetic anhydride In 1,2-dichloro-ethane for 5h; Reagent/catalyst; Nazarov Cyclization; Reflux;91%
With iron(III) chloride; trifluoroacetic anhydride In dichloromethane for 4h; Reflux;53%
2-butenoic acid
3724-65-0

2-butenoic acid

benzylamine
100-46-9

benzylamine

(2E)-N-benzylbut-2-enamide
89232-30-4

(2E)-N-benzylbut-2-enamide

Conditions
ConditionsYield
With borane-ammonia complex In 5,5-dimethyl-1,3-cyclohexadiene for 12h; Reflux;98%
2-butenoic acid
3724-65-0

2-butenoic acid

thiophenol
108-98-5

thiophenol

2-hydroxycarbonyl-1-methylethyl phenyl sulfide
880-13-7

2-hydroxycarbonyl-1-methylethyl phenyl sulfide

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride at 50℃; for 2h;97%
With iodine at 20℃; for 12h;86%
With iodine at 20℃; for 12h;86%
With triethylamine
2-butenoic acid
3724-65-0

2-butenoic acid

3-(trimethylsilyl)-2-oxazolidinone
43112-38-5

3-(trimethylsilyl)-2-oxazolidinone

A

dimethylenecyclourethane
497-25-6

dimethylenecyclourethane

B

(crotonoyloxy)trimethylsilane
88239-44-5, 18269-64-2

(crotonoyloxy)trimethylsilane

Conditions
ConditionsYield
trifluorormethanesulfonic acid at 15℃; for 0.0333333h;A n/a
B 97%
2-butenoic acid
3724-65-0

2-butenoic acid

10,10'-oxybisphenarsazine
4095-45-8

10,10'-oxybisphenarsazine

5,10-Dihydrophenarsazin-10-crotonat
25094-66-0

5,10-Dihydrophenarsazin-10-crotonat

Conditions
ConditionsYield
In toluene Heating;96.6%
2-butenoic acid
3724-65-0

2-butenoic acid

(4RS)-1-pentadecen-4-ol
76828-23-4

(4RS)-1-pentadecen-4-ol

(4RS)-4-(2-butenoyloxy)-1-pentadecene

(4RS)-4-(2-butenoyloxy)-1-pentadecene

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3h; Acylation; Heating; 1 h;96%
2-butenoic acid
3724-65-0

2-butenoic acid

(R)-4-Hydroxypentadec-1-ene
76828-23-4, 125946-61-4, 125946-59-0

(R)-4-Hydroxypentadec-1-ene

(4R)-4-(2-butenoyloxy)-1-pentadecene

(4R)-4-(2-butenoyloxy)-1-pentadecene

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3h; Acylation; Heating; 1 h;96%
2-butenoic acid
3724-65-0

2-butenoic acid

S,S-diethyl dithiocarbonate
623-80-3

S,S-diethyl dithiocarbonate

3-ethylthio acid
89534-40-7

3-ethylthio acid

Conditions
ConditionsYield
With potassium hydroxide at 90℃; for 2h;95%
2-butenoic acid
3724-65-0

2-butenoic acid

aniline
62-53-3

aniline

crotonanilide
1733-40-0

crotonanilide

Conditions
ConditionsYield
With triethylamine; betamethasone sodium phosphate In N,N-dimethyl-formamide for 0.333333h; Ambient temperature;95%
With zeolite-HY In neat (no solvent) for 0.916667h; Irradiation;80%
With isocyanate de chlorosulfonyle; triethylamine In dichloromethane 1.) 0 - 10 deg C, 3 h, 2.) room temp., 5 h;68%
Yield given. Multistep reaction;
2-butenoic acid
3724-65-0

2-butenoic acid

benzene
71-43-2

benzene

3-methylindanone
6072-57-7

3-methylindanone

Conditions
ConditionsYield
With aluminum (III) chloride at 80℃; for 4h; Inert atmosphere;95%
With aluminium trichloride for 4h; Heating;82%
With aluminum (III) chloride for 5h; Friedel-Crafts Acylation; Reflux;81%
With aluminium trichloride
With aluminum (III) chloride Inert atmosphere;
2-butenoic acid
3724-65-0

2-butenoic acid

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

buta-1,3-diene

2,7-octadienyl crotonate

2,7-octadienyl crotonate

Conditions
ConditionsYield
With triphenylphosphine; palladium(II) acetylacetonate; triethylaluminum In tetrahydrofuran at 60℃; for 6h;95%
2-butenoic acid
3724-65-0

2-butenoic acid

methyl diazoacetate
6832-16-2

methyl diazoacetate

(E)-But-2-enoic acid methoxycarbonylmethyl ester

(E)-But-2-enoic acid methoxycarbonylmethyl ester

Conditions
ConditionsYield
With Cu(II)-Mont K 10 clay In dichloromethane at 25℃; for 5h; Condensation;95%
2-butenoic acid
3724-65-0

2-butenoic acid

3-mercaptobutyric acid
26473-49-4

3-mercaptobutyric acid

Conditions
ConditionsYield
With hydrogen sulfide; C8H20N2O*C2HF6NO4S2 at 90℃; for 12h;95%
With hydrogen sulfide; molecular sieves 4A (powder) In 1-methyl-pyrrolidin-2-one at 100℃; under 3000.3 - 5850.59 Torr; for 5h; Product distribution / selectivity;72 - 82 %Chromat.
With hydrogen sulfide; molecular sieves 4A (beads) In 1-methyl-pyrrolidin-2-one at 100℃; under 3225.32 - 4125.41 Torr; for 5h; Product distribution / selectivity;72 %Chromat.
2-butenoic acid
3724-65-0

2-butenoic acid

5-bromo-2-chloro-N-cyclopentylaminopyrimidine-4-amine
733039-20-8

5-bromo-2-chloro-N-cyclopentylaminopyrimidine-4-amine

2-chloro-5-methyl-8-cyclopentylpyridin[2,3-d]pyrimidin-8-hydro-7-one
1013916-37-4

2-chloro-5-methyl-8-cyclopentylpyridin[2,3-d]pyrimidin-8-hydro-7-one

Conditions
ConditionsYield
With triethylamine; palladium dichloride In 1-methyl-pyrrolidin-2-one at 20 - 75℃; for 6h; Temperature; Solvent; Reagent/catalyst; Inert atmosphere;94.8%
Stage #1: 5-bromo-2-chloro-N-cyclopentylaminopyrimidine-4-amine With triethylamine; palladium dichloride In tetrahydrofuran at 60℃; for 5h;
Stage #2: 2-butenoic acid In tetrahydrofuran for 2h; Temperature; Reagent/catalyst; Solvent;
89.08%
Stage #1: 2-butenoic acid; 5-bromo-2-chloro-N-cyclopentylaminopyrimidine-4-amine With tetrabutylammomium bromide; N-ethyl-N,N-diisopropylamine; palladium dichloride In water; N,N-dimethyl-formamide at 85℃; for 8h; Inert atmosphere;
Stage #2: With acetic anhydride In water; N,N-dimethyl-formamide for 2h; Inert atmosphere;
85.2%
Stage #1: 2-butenoic acid; 5-bromo-2-chloro-N-cyclopentylaminopyrimidine-4-amine With bis(benzonitrile)palladium(II) dichloride; N-ethyl-N,N-diisopropylamine; tris-(o-tolyl)phosphine In tetrahydrofuran at 75℃; for 20h; Heck Reaction; Inert atmosphere;
Stage #2: In acetic anhydride at 75℃; for 2h; Temperature; Reagent/catalyst; Solvent;
80%
With triethylamine; palladium dichloride In 1-methyl-pyrrolidin-2-one at 75℃; for 6h; Temperature; Inert atmosphere;
2-butenoic acid
3724-65-0

2-butenoic acid

desmethyl anethole trithione
18274-81-2

desmethyl anethole trithione

4-(3-thioxo-3H-1,2-dithiol-5-yl)phenyl but-2-enoate

4-(3-thioxo-3H-1,2-dithiol-5-yl)phenyl but-2-enoate

Conditions
ConditionsYield
Stage #1: 2-butenoic acid With dmap; dicyclohexyl-carbodiimide In dichloromethane for 0.5h;
Stage #2: desmethyl anethole trithione In dichloromethane at 25℃;
94.4%
2-butenoic acid
3724-65-0

2-butenoic acid

anthracene
120-12-7

anthracene

trans-9,10-dihydro-12-methyl-11,12-ethanoanthracene-11-carboxylic acid
7152-29-6, 77154-95-1, 77155-01-2

trans-9,10-dihydro-12-methyl-11,12-ethanoanthracene-11-carboxylic acid

Conditions
ConditionsYield
at 140℃; for 60h;94%
at 150 - 200℃; for 6h; autoclave;
2-butenoic acid
3724-65-0

2-butenoic acid

dithiocarbonic acid S,S'-dibenzyl ester
26504-28-9

dithiocarbonic acid S,S'-dibenzyl ester

3-(benzylthio)butanoic acid
23909-09-3

3-(benzylthio)butanoic acid

Conditions
ConditionsYield
With potassium hydroxide at 90℃; for 3h;94%
2-butenoic acid
3724-65-0

2-butenoic acid

crotonaldehyde
123-73-9

crotonaldehyde

Conditions
ConditionsYield
With thexylbromoborane dimethyl sulfide complex In carbon disulfide; dichloromethane at -20 - 20℃; for 1h;94%
2-butenoic acid
3724-65-0

2-butenoic acid

4-Fluorothiophenol
371-42-6

4-Fluorothiophenol

C10H11FO2S

C10H11FO2S

Conditions
ConditionsYield
With iodine at 20℃; for 12h;94%
With iodine at 20℃; for 12h;94%
2-butenoic acid
3724-65-0

2-butenoic acid

crotonyl chloride
10487-71-5

crotonyl chloride

Conditions
ConditionsYield
With thionyl chloride at 80℃; for 3h;93%
With thionyl chloride In Petroleum ether for 4h; Heating;76%
With Amberlite IRA 93 (PCl5 form) In dichloromethane for 6h; Heating;51%
2-butenoic acid
3724-65-0

2-butenoic acid

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

4-methyl-4,5-dihydro-1H-benzo[b][1,4]diazepin-2(3H)-one
3967-01-9

4-methyl-4,5-dihydro-1H-benzo[b][1,4]diazepin-2(3H)-one

Conditions
ConditionsYield
With Imidazole hydrochloride In 5,5-dimethyl-1,3-cyclohexadiene at 140℃; for 0.5h; Schlenk technique;93%
With aluminum oxide for 0.0111111h; microwave irradiation;92%
at 150℃; for 7h;44.2%
2-butenoic acid
3724-65-0

2-butenoic acid

3-(trimethylsilyl)-2-oxazolidinone
43112-38-5

3-(trimethylsilyl)-2-oxazolidinone

(crotonoyloxy)trimethylsilane
88239-44-5, 18269-64-2

(crotonoyloxy)trimethylsilane

Conditions
ConditionsYield
In tetrachloromethane at 77℃; for 0.25h;93%
With triethylamine In dichloromethane for 0.5h; Ambient temperature;
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