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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 quantiti

Crotonic acid suppliers in China

Cas:107-93-7

Min.Order:1 Kilogram

FOB Price: $11.0

Type:Lab/Research institutions

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Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products Crotonic acid(107-93-7)

Cas:107-93-7

Min.Order:100 Gram

Negotiable

Type:Other

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Hangzhou Dingyan Chem Co., Ltd

Item Quality Standard Test Result Appearance colorless clear liquid colorless clear liquid Assay %

high purity 107-93-7

Cas:107-93-7

Min.Order:1 Kilogram

FOB Price: $1.9 / 2.5

Type:Trading Company

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name (E)-2-Butenoic acid CAS No. 107-93-7 Appearance

Crotonic acid

Cas:107-93-7

Min.Order:1 Gram

FOB Price: $8.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Crotonic acid Cas 107-93-7 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystal powder Storage:Store below +30°C Package:1kg/foil bag;25kg/dr

Top quality Crotonic acid Cas 107-93-7 with best price

Cas:107-93-7

Min.Order:25 Kilogram

FOB Price: $28.0 / 30.0

Type:Trading Company

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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 trans-crotonic acid

Cas:107-93-7

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality 99% 107-93-7 Crotonic acid Manufacturer

Cas:107-93-7

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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

Crotonic acid

Cas:107-93-7

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Manufacturers

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Crotonic acid

Cas:107-93-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Crotonic acid CAS 107-93-7 trans-Crotonic acid (E)-Crotonic acid CAS no 107-93-7 trans-2-Butenoic acid Crotonic acid Manufacturer High quality Best price In stock factory CAS 107-93-7 Crotonic acid COA TDS price MSDS highly quality and immed

Crotonic acid CAS 107-93-7 trans-Crotonic acid (E)-Crotonic acid CAS no 107-93-7 trans-2-Butenoic acid

Cas:107-93-7

Min.Order:5 Kiloliter

FOB Price: $3.5 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu

Crotonic Acid 107-93-7

Cas:107-93-7

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

107-93-7 Crotonic acid

Cas:107-93-7

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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 107-93-7 with best quality

Cas:107-93-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

Crotonic Acid

Cas:107-93-7

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

Hebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car

Crotonic acid suppliers in China

Cas:107-93-7

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White to light yellow?Crystalline Flakes Storage:Store below +30°C. Package:25kg/drum Application:trans-Crotonic acid is used in the copolymerization of crotonic acid hydrogel systems by using gamma-rays. The crosslinked copolymeric crot

Crotonic acid factory price

Cas:107-93-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Onchem specialized in APIs, chemical intermediates, her

Topsale Crotonic Acid CAS NO.107-93-7 with lower price

Cas:107-93-7

Min.Order:25 Kilogram

FOB Price: $1.0

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

Fungicide, Crotonic acid CAS:107-93-7

Cas:107-93-7

Min.Order:1 Kilogram

FOB Price: $72.4 / 78.3

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Crotonic acid CAS:107-93-7 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 intermediates

Crotonic acid CAS:107-93-7

Cas:107-93-7

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

2-Butenoicacid, (2E)-

Cas:107-93-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

High purity Crotonic acid suppliers in China CAS NO.107-93-7

Cas:107-93-7

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Wuhan Wonda Pharm Limited

1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi

Crotonic acid/(E)-2-Butenoic acid

Cas:107-93-7

Min.Order:10 Gram

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

2-Butenoicacid, (2E)-

Cas:107-93-7

Min.Order:0

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

Crotonic acid

Cas:107-93-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

CROTONIC ACID

Cas:107-93-7

Min.Order:1 Gram

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

Crotonic acid

Cas:107-93-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hefei Zhaobo Technology Co., Ltd.

Our Advantages Production: Advanced chemical equipment with years of experience Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Specif

Crotonic acid CAS No 107-93-7

Cas:107-93-7

Min.Order:1 Kilogram

FOB Price: $95.0 / 100.0

Type:Trading Company

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 Crotonic acid

Cas:107-93-7

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

107-93-7 Crotonic acid

Cas:107-93-7

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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,

TRANS-2-BUTENOIC ACID

Cas:107-93-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

but-3-enoic acid
625-38-7

but-3-enoic acid

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With palladium diacetate; 1,4-di(diphenylphosphino)-butane at 110℃; for 2h;99%
Kochen ohne Loesungsmittel oder in Decalin-Loesung;
With hydrogenchloride
2-methyl-2-propenyl (E)-2-butenoate
27819-09-6

2-methyl-2-propenyl (E)-2-butenoate

lithium dimethylcuprate
15681-48-8

lithium dimethylcuprate

A

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

B

2-Methyl-1-butene
563-46-2

2-Methyl-1-butene

Conditions
ConditionsYield
In diethyl ether at -10℃; for 2h;A 96%
B n/a
(E)-but-2-enol
504-61-0

(E)-but-2-enol

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With aluminum oxide; potassium ferrate(VI); copper(II) sulfate In benzene for 0.5h; Ambient temperature;95%
With ruthenium trichloride; potassium hydroxide; potassium peroxomonosulphate for 3h; Ambient temperature;24%
With sodium hydroxide; sodium periodate
allyl crotonate
5453-44-1

allyl crotonate

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With sodium hydrogen telluride; acetic acid In ethanol for 2h; Heating;95%
carbon monoxide
201230-82-2

carbon monoxide

allyl alcohol
107-18-6

allyl alcohol

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With palladium diacetate; 1,4-di(diphenylphosphino)-butane In benzene at 110℃; under 3750.38 Torr; for 18h; Catalytic behavior; Reagent/catalyst; Solvent; Temperature; Glovebox; Autoclave;94%

A

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

B

3-Iodo-n-butanoic acid
7425-21-0

3-Iodo-n-butanoic acid

Conditions
ConditionsYield
With hydrogen iodide at 125℃; for 1h;A n/a
B 92%
allyl crotonate
5453-44-1

allyl crotonate

lithium dimethylcuprate
15681-48-8

lithium dimethylcuprate

A

1-butylene
106-98-9

1-butylene

B

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
In diethyl ether at -10℃; for 2h;A n/a
B 89%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With quinolinium dichromate(VI) In N,N-dimethyl-formamide at 30℃; for 4h;85%
With tert.-butylhydroperoxide; copper(l) chloride In acetonitrile at 20℃; for 2h;81%
With hydrogenchloride; sodium chlorite; sodium dihydrogenphosphate; dihydrogen peroxide In water; acetonitrile at 10℃; for 1h;53%
(trimethylsilyl)ketene bis(trimethylsilyl) acetal
65946-59-0

(trimethylsilyl)ketene bis(trimethylsilyl) acetal

acetaldehyde
75-07-0

acetaldehyde

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With zinc dibromide In tetrahydrofuran for 14h; Ambient temperature;83.6%
phenylglyoxal hydrate
1074-12-0

phenylglyoxal hydrate

β-(2-Amino-4-trifluoromethyl)-phenylaminobutansaeure
35549-90-7

β-(2-Amino-4-trifluoromethyl)-phenylaminobutansaeure

A

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

B

2-phenyl-7-(trifluoromethyl)quinoxaline
102729-42-0

2-phenyl-7-(trifluoromethyl)quinoxaline

Conditions
ConditionsYield
at 150 - 160℃; for 3h;A n/a
B 82%
carbon monoxide
201230-82-2

carbon monoxide

N,N,N-triethylprop-2-en-1-aminium bromide
29443-23-0

N,N,N-triethylprop-2-en-1-aminium bromide

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With sodium hydroxide; dicobalt octacarbonyl at 65℃; Irradiation;80%
2-chlorobutanoic acid
4170-24-5

2-chlorobutanoic acid

A

propene
187737-37-7

propene

B

but-3-enoic acid
625-38-7

but-3-enoic acid

C

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

D

ethane
74-84-0

ethane

E

carbon monoxide
201230-82-2

carbon monoxide

F

propionaldehyde
123-38-6

propionaldehyde

Conditions
ConditionsYield
With cyclohexene In gas at 319.5℃; Kinetics; Mechanism; Product distribution; ΔE(exct.);A 1%
B n/a
C 15%
D 5%
E n/a
F 80%
oxo-phenyl-acetaldehyde oxime
532-54-7

oxo-phenyl-acetaldehyde oxime

β-(2-Amino-4-trifluoromethyl)-phenylaminobutansaeure
35549-90-7

β-(2-Amino-4-trifluoromethyl)-phenylaminobutansaeure

A

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

B

2-phenyl-7-(trifluoromethyl)quinoxaline
102729-42-0

2-phenyl-7-(trifluoromethyl)quinoxaline

Conditions
ConditionsYield
at 140℃; for 3h;A n/a
B 77%
D-erythronic acid
488-16-4

D-erythronic acid

A

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

B

3-Iodo-n-butanoic acid
7425-21-0

3-Iodo-n-butanoic acid

Conditions
ConditionsYield
With hydrogen iodide at 125℃; for 4h;A n/a
B 74%
D-erythronolactone
15667-21-7

D-erythronolactone

A

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

B

3-Iodo-n-butanoic acid
7425-21-0

3-Iodo-n-butanoic acid

Conditions
ConditionsYield
With hydrogen iodide at 125℃; for 1h; other aldonolactones and n-alkanolactones;A n/a
B 71%
With hydrogen iodide at 125℃; for 1h;A n/a
B 71%
D-xylono-1,4-lactone
15384-37-9

D-xylono-1,4-lactone

A

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

B

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

5-methyl-dihydro-furan-2-one

Conditions
ConditionsYield
With hydrogen iodide for 4h; Heating; Title compound not separated from byproducts;A n/a
B 71%
3-chlorobutyric acid
625-68-3, 1951-12-8

3-chlorobutyric acid

A

propene
187737-37-7

propene

B

but-3-enoic acid
625-38-7

but-3-enoic acid

C

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With cyclohexene In gas at 350.1℃; Kinetics; Mechanism; Product distribution; ΔE(exct.);A 63.3%
B 9.2%
C 27.5%
carbon monoxide
201230-82-2

carbon monoxide

allyl alcohol
107-18-6

allyl alcohol

A

but-3-enoic acid
625-38-7

but-3-enoic acid

B

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

C

allyl crotonate
5453-44-1

allyl crotonate

D

allyl-3-butenoate

allyl-3-butenoate

Conditions
ConditionsYield
With palladium diacetate; 1,4-di(diphenylphosphino)-butane In tetrahydrofuran at 110℃; under 37503.8 Torr; for 18h; Solvent; Glovebox; Autoclave;A 30%
B 60%
C 8%
D 8%
but-2-enenitrile
4786-20-3

but-2-enenitrile

A

(Z)-2-butenenitrile
1190-76-7

(Z)-2-butenenitrile

B

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With recombinant nitrilase AtNIT1 from Arabidopsis thailana; Tris*HCl buffer In methanol; water at 20℃; for 24h; pH=8.5;A 51%
B 27%
phenylglyoxal hydrate
1074-12-0

phenylglyoxal hydrate

β-(2-Amino-4-trifluoromethyl)-phenylaminobutansaeure
35549-90-7

β-(2-Amino-4-trifluoromethyl)-phenylaminobutansaeure

A

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

B

2-phenyl-7-(trifluoromethyl)quinoxaline
102729-42-0

2-phenyl-7-(trifluoromethyl)quinoxaline

C

3-[(2-Amino-4-trifluoromethyl-phenyl)-(1-hydroxy-2-oxo-2-phenyl-ethyl)-amino]-butyric acid

3-[(2-Amino-4-trifluoromethyl-phenyl)-(1-hydroxy-2-oxo-2-phenyl-ethyl)-amino]-butyric acid

Conditions
ConditionsYield
In ethanol for 3h; Heating;A 0.27 g
B 24%
C 48.6%
2,3-dibromobutanoic acid
600-30-6

2,3-dibromobutanoic acid

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With copper; copper(II) perchlorate In methanol for 8h; Ambient temperature;36%
3,3-Dichloro-2-butanone
2648-57-9

3,3-Dichloro-2-butanone

sodium methylate
124-41-4

sodium methylate

A

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

B

3-methoxybutanoic acid
10024-70-1, 16510-79-5

3-methoxybutanoic acid

C

3,3-dimethoxy-butan-2-one
21983-72-2

3,3-dimethoxy-butan-2-one

Conditions
ConditionsYield
In methanol -78 deg C, then 48 days, roomtemp.;A 4%
B 17%
C 20%
Product distribution; -78 deg C, then 48 days, roomtemp.;A 4%
B 17%
C 20%
but-3-yn-2-ol
2028-63-9

but-3-yn-2-ol

A

propene
187737-37-7

propene

B

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

C

3-hydroxy-2-butanon
513-86-0, 52217-02-4

3-hydroxy-2-butanon

D

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

3-Hydroxybutyric acid

Conditions
ConditionsYield
With water; ruthenium tetrasulfophthalocyanine at 80℃; for 24h; Product distribution; Further Variations:; Catalysts; anti-Markovnikov hydration;A n/a
B 15%
C 2%
D 7%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With copper diacetate; potassium carbonate und Behandeln des erhaltenen Polyesters mit ueberhittem Wasserdampf;
With 18-crown-6 ether; potassium naphthalenide; Lewatit S 1080 1) THF, 20 deg C, 10 min, 2) Et2O; Yield given. Multistep reaction;
With H-ZSM-5 at 210℃; under 1251.35 Torr; Pressure; Reagent/catalyst; Temperature; Inert atmosphere; Flow reactor;
diethyl acetal
105-57-7

diethyl acetal

malonic acid
141-82-2

malonic acid

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With piperidine; pyridine
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With potassium permanganate; oxygen; acetic acid
but-3-enoic acid
625-38-7

but-3-enoic acid

A

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

B

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

3-Hydroxybutyric acid

Conditions
ConditionsYield
With sodium hydroxide inactive β-oxy-butyric acid;
ethanol
64-17-5

ethanol

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

(Z)-but-2-enoic acid

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
Rate constant; Isomerisierung;
trans-2-propenyl bromide
590-15-8

trans-2-propenyl bromide

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Conditions
ConditionsYield
With diethyl ether; lithium und jeweils anschliessend mit Kohlendioxid;
With tetrahydrofuran; magnesium und jeweils anschliessend mit Kohlendioxid;
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

3-bromobutyric acid
2623-86-1

3-bromobutyric acid

Conditions
ConditionsYield
With hydrogen bromide In acetic acid at 25℃; for 1h; Irradiation;100%
With hydrogen bromide at 20℃; for 20h;90%
With water; hydrogen bromide mit oder ohne Zusatz von Peroxyden;
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

trisodium tris(3-sulfophenyl)phosphine
63995-70-0

trisodium tris(3-sulfophenyl)phosphine

C22H18O11PS3(3-)*3Na(1+)
115524-91-9

C22H18O11PS3(3-)*3Na(1+)

Conditions
ConditionsYield
In water at 50℃;100%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

trisodium tris(3-sulfophenyl)phosphine
63995-70-0

trisodium tris(3-sulfophenyl)phosphine

C22H17(2)HO11PS3(3-)*3Na(1+)
115524-92-0

C22H17(2)HO11PS3(3-)*3Na(1+)

Conditions
ConditionsYield
With water-d2 at 50℃;100%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

(S)-3-(4-fluorobenzyl)-piperidine
275815-80-0

(S)-3-(4-fluorobenzyl)-piperidine

(3S)-1-[(2E)-2-butenoyl]-3-(4-fluorobenzyl)piperidine
382637-74-3

(3S)-1-[(2E)-2-butenoyl]-3-(4-fluorobenzyl)piperidine

Conditions
ConditionsYield
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 24h;100%
With benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; triethylamine at 0℃; for 20h;
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

(RS)-3-(2-mercaptothiophene)butanoic acid
120279-20-1

(RS)-3-(2-mercaptothiophene)butanoic acid

Conditions
ConditionsYield
Stage #1: 2-bromothiophene With hydrogenchloride; iodine; magnesium; triethylamine In tetrahydrofuran for 2h; Heating / reflux;
Stage #2: With sulfur In tetrahydrofuran at 45 - 50℃; for 2h;
Stage #3: (E)-but-2-enoic acid With hydrogenchloride; triethylamine hydrochloride; triethylamine more than 3 stages;
100%
Stage #1: 2-bromothiophene With magnesium; iodine In tetrahydrofuran for 2h; Heating / reflux;
Stage #2: With sulfur In tetrahydrofuran at 45 - 50℃; for 2h;
Stage #3: (E)-but-2-enoic acid With triethylamine hydrochloride; triethylamine more than 3 stages;
100%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

6-amino-1,3-diethylquinazoline-2,4(1H,3H)-dione

6-amino-1,3-diethylquinazoline-2,4(1H,3H)-dione

(E)-N-(1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydroquinazolin-6-yl)but-2-enamide

(E)-N-(1,3-diethyl-2,4-dioxo-1,2,3,4-tetrahydroquinazolin-6-yl)but-2-enamide

Conditions
ConditionsYield
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 50℃;100%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

(R)-5-(2-methyl-4-phenoxyphenyl)-4-oxo-N-(piperidin-3-yl)-4,5-dihydro-3H-1-thia-3,5,8-triazaacenaphthylene-2-carboxamide

(R)-5-(2-methyl-4-phenoxyphenyl)-4-oxo-N-(piperidin-3-yl)-4,5-dihydro-3H-1-thia-3,5,8-triazaacenaphthylene-2-carboxamide

(R,E)-N-(1-(but-2-enoyl)piperidin-3-yl)-5-(2-methyl-4-phenoxyphenyl)-4-oxo-4,5-dihydro-3H-1-thia-3,5,8-triazaacenaphthylene-2-carboxamide

(R,E)-N-(1-(but-2-enoyl)piperidin-3-yl)-5-(2-methyl-4-phenoxyphenyl)-4-oxo-4,5-dihydro-3H-1-thia-3,5,8-triazaacenaphthylene-2-carboxamide

Conditions
ConditionsYield
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 4h; Inert atmosphere;100%
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 4h;100%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

crotonic acid sodium salt
17342-77-7

crotonic acid sodium salt

Conditions
ConditionsYield
With sodium hydroxide In water99.6%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

benzyl bromide
100-39-0

benzyl bromide

benzyl (E)-2-butenoate
71338-71-1

benzyl (E)-2-butenoate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18.3333h; Inert atmosphere; Cooling with ice;99.4%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18.33h;99.4%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 18h; Cooling with ice; Inert atmosphere;99.4%
Tetrahydro-4H-pyran-4-one
29943-42-8

Tetrahydro-4H-pyran-4-one

tryptamine
61-54-1

tryptamine

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

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

tert-butylisonitrile

4-{but-2-enoyl-[2-(1H-indol-3-yl)ethyl]amino}tetrahydropyran-4-carboxylic acid tert-butylamide

4-{but-2-enoyl-[2-(1H-indol-3-yl)ethyl]amino}tetrahydropyran-4-carboxylic acid tert-butylamide

Conditions
ConditionsYield
In methanol at 20℃; for 18h; Ugi reaction;99%
1-Methyl-4-piperidone
1445-73-4

1-Methyl-4-piperidone

tryptamine
61-54-1

tryptamine

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

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

tert-butylisonitrile

4-{(but-2-enoyl)-[2-(1H-indole-3-yl)ethyl]amino}-1-methylpiperidine-4-carboxylic acid tert-butylamide

4-{(but-2-enoyl)-[2-(1H-indole-3-yl)ethyl]amino}-1-methylpiperidine-4-carboxylic acid tert-butylamide

Conditions
ConditionsYield
In methanol at 20℃; for 18h; Ugi reaction;99%
p-trifluoromethyl cinnamyl chloride
103977-75-9

p-trifluoromethyl cinnamyl chloride

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

(E)-(-)-1-(4-trifluoromethylphenyl)allyl but-2-enoate

(E)-(-)-1-(4-trifluoromethylphenyl)allyl but-2-enoate

Conditions
ConditionsYield
With C32H40N2O2PRu(1+)*F6P(1-); sodium carbonate In tetrahydrofuran at 25℃; for 4h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;99%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

C11H11ClO2
352616-24-1

C11H11ClO2

(E)-(-)-methyl 4-(1-(but-2-enyloxy)allyl)benzoate

(E)-(-)-methyl 4-(1-(but-2-enyloxy)allyl)benzoate

Conditions
ConditionsYield
With C32H40N2O2PRu(1+)*F6P(1-); sodium carbonate In tetrahydrofuran at 25℃; for 4h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;99%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

1-(3-chloro-1-propen-1-yl)naphthalene
2464-98-4

1-(3-chloro-1-propen-1-yl)naphthalene

(E)-(-)-1-(naphthalene-1-yl)allyl but-2-enoate

(E)-(-)-1-(naphthalene-1-yl)allyl but-2-enoate

Conditions
ConditionsYield
With C32H40N2O2PRu(1+)*F6P(1-); sodium carbonate In tetrahydrofuran at 25℃; for 4h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;99%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

1-bromo-4-(3-chloro-propenyl)benzene

1-bromo-4-(3-chloro-propenyl)benzene

(E)-(-)-1-(4-bromophenyl)allyl but-2-enoate

(E)-(-)-1-(4-bromophenyl)allyl but-2-enoate

Conditions
ConditionsYield
With C32H40N2O2PRu(1+)*F6P(1-); sodium carbonate In tetrahydrofuran at 25℃; for 4h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;99%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

trans-potassium crotonate
77485-20-2

trans-potassium crotonate

Conditions
ConditionsYield
With potassium hydroxide In water at 20 - 52℃; under 760.051 Torr; pH=7.1 - 7.25;99%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

4-bromocrotonic acid
13991-36-1

4-bromocrotonic acid

Conditions
ConditionsYield
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In tetrachloromethane Reflux;98%
With N-Bromosuccinimide; dibenzoyl peroxide In tetrachloromethane at 77℃; for 4h;93%
With N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) In benzene at 84℃; for 2.5h;91.3%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

crotonoyl fluoride
38986-88-8

crotonoyl fluoride

Conditions
ConditionsYield
With sulfur tetrafluoride at 20℃; for 1.5h; autoclave;98%
With N-ethyl-N,N-diisopropylamine; (bis-(2-methoxyethyl)amino)sulfur trufluoride In dichloromethane at 0℃;
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

2-(vinyloxy)ethyl methacrylate
1464-69-3

2-(vinyloxy)ethyl methacrylate

1-[2-(methacryloyloxy)ethoxy]ethyl (E)-2-butenoate

1-[2-(methacryloyloxy)ethoxy]ethyl (E)-2-butenoate

Conditions
ConditionsYield
With trifluoroacetic acid In 1,2-dimethoxyethane at 60℃; for 1h;98%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

cinnamyl chloride
2687-12-9

cinnamyl chloride

(E)-1-phenylallyl but-2-enoate

(E)-1-phenylallyl but-2-enoate

Conditions
ConditionsYield
With C28H32N2O2PRu(1+)*F6P(1-); sodium carbonate In tetrahydrofuran at 25℃; for 4h; Inert atmosphere; regioselective reaction;98%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

thiophenol
108-98-5

thiophenol

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

2-hydroxycarbonyl-1-methylethyl phenyl sulfide

Conditions
ConditionsYield
With iodine at 50℃; for 2.5h; Michael reaction;97%
With piperidine
With triethylamine In tetrahydrofuran at 0 - 20℃;
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 60℃; for 48h; Addition;
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

Allyl acetate
591-87-7

Allyl acetate

allyl crotonate
5453-44-1

allyl crotonate

Conditions
ConditionsYield
With [Ir(1,5-cyclooctadiene)2]PF6 In toluene at 100℃; for 5h;97%
2-amino-benzthiazole
136-95-8

2-amino-benzthiazole

(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

1,1'-carbonyldiimidazole
530-62-1

1,1'-carbonyldiimidazole

C14H14N4OS
1038740-96-3

C14H14N4OS

Conditions
ConditionsYield
Stage #1: (E)-but-2-enoic acid; 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide at 70℃; for 2h;
Stage #2: 2-amino-benzthiazole In N,N-dimethyl-formamide at 100℃; for 6h; Further stages.;
97%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

1,1,3,3-Tetramethyldisiloxane
3277-26-7

1,1,3,3-Tetramethyldisiloxane

germaniumtetrachloride
10038-98-9

germaniumtetrachloride

3-(trichlorogermyl)butanoic acid
21187-26-8

3-(trichlorogermyl)butanoic acid

Conditions
ConditionsYield
In neat (no solvent) mixt. kept 12 days at 20°C (acid completely dissolved after 1 day, pptn. begins after 3 days); pptn., liquid layer sepd. by decantation, crystals recrystn. (hexane);97%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

C11H13ClO
1135592-61-8

C11H13ClO

(E)-(-)-1-(benzyloxy)but-3-en-2-yl but-2-enoate

(E)-(-)-1-(benzyloxy)but-3-en-2-yl but-2-enoate

Conditions
ConditionsYield
With C32H40N2O2PRu(1+)*F6P(1-); sodium carbonate In tetrahydrofuran at 25℃; for 4h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;97%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

cinnamyl chloride
2687-12-9

cinnamyl chloride

(E)-(-)-1-phenylallyl but-2-enoate

(E)-(-)-1-phenylallyl but-2-enoate

Conditions
ConditionsYield
With C32H40N2O2PRu(1+)*F6P(1-); sodium carbonate In tetrahydrofuran at 25℃; for 4h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;97%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

dichloromethane
75-09-2

dichloromethane

methylidene dicrotonate

methylidene dicrotonate

Conditions
ConditionsYield
With potassium carbonate In dimethyl sulfoxide at 130℃; for 5h;97%
(E)-but-2-enoic acid
107-93-7

(E)-but-2-enoic acid

(2R)-2-benzyl-2-fluoro-3-(p-methoxybenzyloxy)-1-propanol
162252-06-4

(2R)-2-benzyl-2-fluoro-3-(p-methoxybenzyloxy)-1-propanol

(E)-But-2-enoic acid (S)-2-fluoro-2-(4-methoxy-benzyloxymethyl)-3-phenyl-propyl ester
162252-09-7

(E)-But-2-enoic acid (S)-2-fluoro-2-(4-methoxy-benzyloxymethyl)-3-phenyl-propyl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide96%
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