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
Cas:4786-20-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryThe 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
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
Now we would like to update our product list for you, kindly check the below information: 1. Catalyst series ( such as Noble Metal Catalyst, Phosphorous ligand, etc ) 2. Pharmaceutical Intermediate ( such as diabtes series, Anti
superior quality moderate price & quick delivery Appearance:CLEAR LIGHT YELLOW LIQUID Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used t
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
Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Our credo is committed to your reliable business partne
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
Cas:4786-20-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:4786-20-3
Min.Order:1 Gram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis:
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
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:4786-20-3
Min.Order:0
Negotiable
Type:Manufacturers
inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:4786-20-3
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
Name Crotononitrile Synonyms 2-Butenenitrile Molecular Structure Molecular Formula C4H5N
4786-20-3 Crotononitrile (pract) Application:4786-20-3 Crotononitrile (pract)
we produce and sell good chemicals around the world.Appearance:white power Storage:Keep it in dry,shady and cool place Package:as your requirement Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:SEA OR AIR Port:China Main Po
4786-20-3 Crotononitrile (pract)Appearance:Powder Storage:Flammables area Package:1KG -200KG Drum with pallet Application:Pharma intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airpo
Cas:4786-20-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryChangzhou 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
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
HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl
Cas:4786-20-3
Min.Order:1 Gram
FOB Price: $1.0 / 2.0
Type:Trading Company
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & CommercialHenan Fine Chemicals Co., LTD. is a diversified technology - oriented integrated company, which mainly concentrates on fine chemicals. Our company is committed to becom
Cerametek Materials (CMT) is your industrial and R&D supplier: 1. Semiconductor materials: Compounds of II, III, IV, V, VI groups such as Metal Sulfides, Selenides, Tellurides, Arsenide, Antimonide, Phosphide... 2. Advanced ceramic and crys
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Joyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutical Tran
Cas:4786-20-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With 18-crown-6 ether; tetrakis(triphenylphosphine) palladium(0) In benzene at 80℃; for 50h; Rate constant; Product distribution; | 89% |
With potassium hydroxide; (Z)-1-propenyl bromide; hydrogen In water at 45℃; for 4h; Yield given; |
Conditions | Yield |
---|---|
With aluminum oxide; potassium fluoride; hydroxylamine hydrochloride In N,N-dimethyl-formamide at 100℃; for 9h; | 78% |
A
pyrrole
B
(Z)-2-butenenitrile
C
crotononitrile
D
but-3-enenitrile
Conditions | Yield |
---|---|
at 650℃; under 0.2 Torr; Product distribution; Irradiation; | A 74% B 7% C 8% D 0.7% |
trans-2-propenyl bromide
copper(I) cyanide
A
(Z)-2-butenenitrile
B
crotononitrile
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 150℃; Product distribution; Rate constant; other solvent; | A 25% B 62% |
(Z)-1-propenyl bromide
copper(I) cyanide
A
(Z)-2-butenenitrile
B
crotononitrile
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 150℃; Product distribution; Rate constant; other solvent; | A 27% B 60% |
A
pyrrole
B
(Z)-2-butenenitrile
C
crotononitrile
D
acrylonitrile
Conditions | Yield |
---|---|
at 500 - 700℃; under 0.2 Torr; Product distribution; Irradiation; mol. sieve (3 Angstroem); | A 59% B n/a C n/a D 6% |
A
(Z)-2-butenenitrile
B
crotononitrile
C
(p-fluorophenyl)iminoacetonitrile
D
para-fluorophenyl isocyanate
Conditions | Yield |
---|---|
at 720℃; under 0.0015 Torr; regioselective reaction; | A n/a B n/a C 33% D n/a |
A
(Z)-2-butenenitrile
B
crotononitrile
C
(p-tolyl)iminoacetonitrile
D
p-Tolylisocyanate
Conditions | Yield |
---|---|
at 720℃; under 0.0015 Torr; regioselective reaction; | A n/a B n/a C 30% D n/a |
A
(Z)-2-butenenitrile
B
crotononitrile
C
(p-chlorophenyl)iminoacetonitrile
D
p-chlorphenylisocyanate
Conditions | Yield |
---|---|
at 720℃; under 0.0015 Torr; regioselective reaction; | A n/a B n/a C 30% D n/a |
A
(Z)-2-butenenitrile
B
crotononitrile
C
(p-methoxyphenyl)iminoacetonitrile
D
4-Methoxyphenyl isocyanate
Conditions | Yield |
---|---|
at 720℃; under 0.0015 Torr; regioselective reaction; | A n/a B n/a C 25% D n/a |
Conditions | Yield |
---|---|
With aluminium oxide catalyst at 315℃; | |
With silica-alumina at 200℃; |
Conditions | Yield |
---|---|
beide isom. entstehen; |
Conditions | Yield |
---|---|
beide isom. Crotonsaeurenitrile entstehen; |
pyridine
acetaldehyde
cyanoacetic acid
A
3-methyl glutarimide
B
(Z)-2-butenenitrile
C
crotononitrile
D
(E+Z)-4-cyano-3-methyl-4-hexenenitrile
Conditions | Yield |
---|---|
erst in der Kaelte, zuletzt bei 60grad; |
quinoline
3-chlorobutyronitrile
A
(Z)-2-butenenitrile
B
crotononitrile
Conditions | Yield |
---|---|
With quinoline |
3-(piperidin-1-yl)butanenitrile
A
(Z)-2-butenenitrile
B
crotononitrile
Conditions | Yield |
---|---|
bei langsamer Destillation; |
Conditions | Yield |
---|---|
With chromium(III) oxide at 615℃; Dehydrierung; |
Conditions | Yield |
---|---|
With chromium(III) oxide at 580 - 615℃; |
Conditions | Yield |
---|---|
β-crotonic acid nitrile (cis-form); |
Conditions | Yield |
---|---|
bei wiederholter langsamer Destillation; beide isom.Crotonsaeurenitrile entstehen; |
Conditions | Yield |
---|---|
With quinoline |
Conditions | Yield |
---|---|
With phosphorus pentaoxide β-crotonic acid nitrile (cis-form); |
Conditions | Yield |
---|---|
With phosphoric acid; water at 600℃; under 20 Torr; |
Conditions | Yield |
---|---|
β-crotonic acid nitrile (cis-form); |
Conditions | Yield |
---|---|
With phosphorus pentaoxide β-crotonic acid nitrile (cis-form); |
Conditions | Yield |
---|---|
With sulfuric acid | |
With sodium borate at 190℃; | |
With sodium phosphate at 190℃; |
Conditions | Yield |
---|---|
With phosphorus pentaoxide |
Conditions | Yield |
---|---|
With diethyl ether; acetic anhydride |
Conditions | Yield |
---|---|
With aluminum oxide; ammonia at 480 - 500℃; β-crotonic acid nitrile (cis-form); |
Conditions | Yield |
---|---|
With tributylphosphine at 50℃; under 2250180 Torr; for 3h; Michael-like addition; | 99% |
Conditions | Yield |
---|---|
[Ni((R)-(S)-Pigiphos)(THF)](ClO4)2 In tetrahydrofuran at 20℃; for 24h; | 99% |
With [Ni((R)-(S)-Pigiphos)(THF)](ClO4)2 In tetrahydrofuran at 20℃; for 24h; | |
With [{kp,kc,kp-2,6-(i-Pr2PO)2C6H3}Ni(NCMe)][OSO2CF3]; triethylamine In benzene-d6 at 20℃; for 0.166667h; Michael condensation; | 100 %Spectr. |
Conditions | Yield |
---|---|
2,6-bis((di-tertbutylphosphino)methyl)pyridine; palladium(II) trifluoroacetate In toluene at 20℃; for 12h; Conversion of starting material; | 99% |
palladium(II) trifluoroacetate In toluene at 20℃; for 12h; Conversion of starting material; | 21% |
crotononitrile
C4H7ClMn
3,4-dimethyl-5-hexenoic acid nitrile
Conditions | Yield |
---|---|
In tetrahydrofuran at -60℃; | 96% |
crotononitrile
4-methylbenzimidazole
A
4-methyl-1H-benzimidazole-1-(3-methyl)propanenitrile
Conditions | Yield |
---|---|
With 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In acetonitrile Ambient temperature; Yields of byproduct given. Title compound not separated from byproducts; | A 96% B n/a |
Conditions | Yield |
---|---|
With caesium carbonate; copper dichloride In dichloromethane for 12h; Michael Addition; Reflux; | 96% |
Conditions | Yield |
---|---|
With indium; N-ethylpiperidine hypophosphite; cetyltrimethylammonim bromide; triethyl borane In 1,4-dioxane; water at 80℃; for 2h; | 94% |
With borohydride exchange resin; nickel diacetate In methanol at 65℃; for 1h; | 93% |
With zinc copper In ethanol for 1h; Irradiation; | 63% |
crotononitrile
4-(2-pyridinyl)piperidine
Conditions | Yield |
---|---|
In methanol; ethanol | 94% |
Conditions | Yield |
---|---|
With borohydride exchange resin; nickel diacetate In methanol at 65℃; for 1h; | 92% |
crotononitrile
1-(isocyanomethyl)-1H-benzo[d][1,2,3]triazole
4-methyl-1H-pyrrole-3-carbonitrile
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran Heating; | 92% |
crotononitrile
β-bromobutyronitrile
Conditions | Yield |
---|---|
With 1-oxothiolane; phenyltribromosilane In dichloromethane at 20℃; for 16h; Michael Addition; | 92% |
Conditions | Yield |
---|---|
With IrH5(P-(i-Pr)3)2; water In tetrahydrofuran at 150℃; for 20h; | 91% |
crotononitrile
2-diazopropane
4,5,5-Trimethyl-4,5-dihydro-1H-pyrazole-3-carbonitrile
Conditions | Yield |
---|---|
In diethyl ether from -20 deg C to 0 deg C; | 90% |
Conditions | Yield |
---|---|
With copper(l) iodide; n-butyllithium; Dibutyl sulfide In diethyl ether; hexane at 20℃; for 1h; | 90% |
Conditions | Yield |
---|---|
1,3-bis[(di-tert-butylphosphino)methyl]benzene; palladium diacetate In toluene at 100℃; for 36h; Conversion of starting material; | 90% |
With [Ni((R)-(S)-Pigiphos)(THF)](ClO4)2 In tetrahydrofuran at 20℃; for 24h; | 65% |
crotononitrile
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate at 20℃; for 21h; Inert atmosphere; diastereoselective reaction; | 89% |
crotononitrile
7-(1-morpholino-1-cyanomethyl)tetrazolo<1,5-a>quinoline
7-(1,3-dicyano-2-methyl-1-morpholinopropyl)tetrazolo<1,5-a>quinoline
Conditions | Yield |
---|---|
With N-benzyl-trimethylammonium hydroxide Ambient temperature; | 88% |
sodium cyanide
crotononitrile
4-chlorobenzaldehyde
4-(4-chlorophenyl)-3-methyl-4-oxobutyronitrile
Conditions | Yield |
---|---|
Stage #1: sodium cyanide; 4-chlorobenzaldehyde In N,N-dimethyl-formamide at 35 - 38℃; for 2h; Michael Addition; Inert atmosphere; Stage #2: crotononitrile In N,N-dimethyl-formamide at 40℃; for 3.5h; Inert atmosphere; | 88% |
crotononitrile
7-(1-morpholino-1-cyanomethyl)-1,2,4-triazolo<4,3-a>quinoline
7-(1,3-dicyano-2-methyl-1-morpholinopropyl)-1,2,4-triazolo<4,3-a>quinoline
Conditions | Yield |
---|---|
With N-benzyl-trimethylammonium hydroxide for 3h; Ambient temperature; | 86% |
crotononitrile
Conditions | Yield |
---|---|
With hydrogenchloride; hydrazine hydrate In methanol; toluene | 85% |
crotononitrile
1,2-propanediene
dimethyl(phenyl)silyllithium
2-(dimethylphenylsilyl)-7-[(dimethylphenylsilyl)methyl]-6-methylocta-1,7-dien-4-one
Conditions | Yield |
---|---|
Stage #1: 1,2-propanediene; dimethyl(phenyl)silyllithium With copper(l) cyanide In tetrahydrofuran at -78℃; for 1h; Stage #2: crotononitrile With boron trifluoride diethyl etherate In tetrahydrofuran at -78 - 0℃; | 83% |
crotononitrile
1,2-propanediene
2-(dimethylphenylsilyl)-7-[(dimethylphenylsilyl)methyl]-6-methylocta-1,7-dien-4-one
Conditions | Yield |
---|---|
Stage #1: C8H11CuSi*LiCN; 1,2-propanediene In tetrahydrofuran at -40℃; for 1h; Stage #2: crotononitrile With boron trifluoride diethyl etherate In tetrahydrofuran at -40 - 0℃; Stage #3: With ammonium chloride In tetrahydrofuran at 0℃; Further stages.; | 83% |
Conditions | Yield |
---|---|
With dihydridotetrakis(triphenylphosphine)ruthenium In tetrahydrofuran for 24h; Ambient temperature; | 82% |
Conditions | Yield |
---|---|
bis(acetonitrile)(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate In 1,4-dioxane; water at 90℃; for 20h; | 82% |
crotononitrile
4-methylbenzimidazole
4-methyl-1H-benzimidazole-1-(3-methyl)propanenitrile
Conditions | Yield |
---|---|
With benzyltriethylammonium hydroxide Heating; | 81% |
Conditions | Yield |
---|---|
With copper(l) iodide; n-butyllithium; Dibutyl sulfide In diethyl ether; hexane at 20℃; for 1h; | 81% |
Conditions | Yield |
---|---|
With borohydride exchange resin; nickel diacetate In methanol at 65℃; for 1h; | 80% |
Rh(ClO4)(CO)(PPh3)2
crotononitrile
Conditions | Yield |
---|---|
In benzene under N2 at 25°C;; filtration; ppt. washed with benzene, dried in vac.; elem. anal.;; | 80% |
Conditions | Yield |
---|---|
With Acetaldehyde oxime; [(eta.(5)-pentamethylcyclopentadienyl)Rh(H2O)3](OTf)2 In water Schlenk technique; | 80% |
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