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
Cas:591-80-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryCangzhou 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 api, intermedi
Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
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
Cas:591-80-0
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:591-80-0
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
Type:Trading Company
inquiryWITH 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
Cas:591-80-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryName 4-Pentenoic Acid; Pent-4-enoic acid; pent-4-enoate; Allylacetic acid Appearance Liquid Flash Point 78.7°C Boiling Point 188.5°C at 760 mmHg
We 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:591-80-0
Min.Order:1 Gram
FOB Price: $4.0
Type:Lab/Research institutions
inquiry1.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
Cas:591-80-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: Allylacetic acid CAS: 591-80-0 MF: C5H8O2 MW: 100.12 EINECS: 209-732-7 Mol File: 591-80-0.mol Allylacetic acid Structure Allylacetic acid Chemical Properties Melting point -22.5 °C (lit.) Boiling point 83
Allylacetic acid CAS:591-80-0 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 intermedia
Cas:591-80-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:591-80-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:591-80-0
Min.Order:1 Kilogram
FOB Price: $10.0 / 100.0
Type:Lab/Research institutions
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Appearance:white powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application: Pharmaceutical Intermediates;omega-Fun... Transportation:Common products:Sea/Air/Courier
Cas:591-80-0
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryOur 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
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
Cas:591-80-0
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryJ&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
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
Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:591-80-0
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryZibo 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:591-80-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe 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
Cas:591-80-0
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryProduct name: Pent-4-Enoic Acid CAS No.:591-80-0 Molecule Formula:C5H8O2 Molecule Weight:100.12 Purity: 99.0% Package: 200kg/drum Description:Colorless liquid Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:591-80-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct 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,
Cas:591-80-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryfactory?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
Cas:591-80-0
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong 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
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
Located 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
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
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
Conditions | Yield |
---|---|
With poly-4-vinylpyridine In N,N-dimethyl-formamide for 0.0666667h; microwave irradiation; | 96% |
Stage #1: allylmalonic acid In N,N-dimethyl-formamide at 140℃; Stage #2: With hydrogenchloride In N,N-dimethyl-formamide pH=4; | 85% |
In N,N-dimethyl-formamide at 140℃; Inductive heating; | 76% |
prop-2-en-1-yl 2-iodoacetate
pent-4-enoic acid
Conditions | Yield |
---|---|
Stage #1: prop-2-en-1-yl 2-iodoacetate With triethyl borane; oxygen In hexane; dichloromethane at 20℃; for 2h; Stage #2: With zinc In tetrahydrofuran for 4h; Heating; | 85% |
pent-4-enoic acid
Conditions | Yield |
---|---|
With lithium hydroxide; tetrabutylammomium bromide In tetrahydrofuran; water for 12h; Heating; | 84% |
β-(trimethylsilyl)cyclopentanone
pent-4-enoic acid
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate In water; acetonitrile at 60℃; for 1.5h; Ring cleavage; | 82% |
(Z)-5-(Ethylthio)-3-pentenoic Acid
A
pent-4-enoic acid
B
(Z)-pent-3-enoic acid
Conditions | Yield |
---|---|
With ammonia; lithium for 1h; | A 8% B 70% |
5-bromopentanoic acid
propargyl alcohol
A
pent-4-enoic acid
B
5-Hydroxy-pentanoic acid prop-2-ynyl ester
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; hexane 1) -80 deg C, 2) room temp., 18 h; | A 5% B 70% |
pent-4-enoic acid
Conditions | Yield |
---|---|
With zinc In tetrahydrofuran | 63% |
Conditions | Yield |
---|---|
With chromic acid; acetone | 59% |
With chromium(VI) oxide; sulfuric acid In acetone |
Conditions | Yield |
---|---|
copper(l) chloride at 0℃; for 0.25h; | 59% |
2-Benzoyl-3-oxo-hept-6-enoic acid methyl ester
A
pent-4-enoic acid
B
methyl 3,5-dioxo-5-phenylpentanoate
Conditions | Yield |
---|---|
With ammonium hydroxide; water; ammonium chloride | A 43% B 56% |
3-(3-methyl-3H-diazirine-3-yl)propionic acid
A
pent-4-enoic acid
B
(Z)-pent-3-enoic acid
C
(E)-3-pentenoic acid
D
5-methyl-dihydro-furan-2-one
Conditions | Yield |
---|---|
In xylene at 80℃; Kinetics; Product distribution; Mechanism; Ea; other temperatures (95-125 deg C); other solvent; | A 18.7% B 20% C 56% D 5.3% |
In pentane Product distribution; Mechanism; Irradiation; other solvent; |
chloro-trimethyl-silane
4-pentynoic acid
A
pent-4-enoic acid
B
5-trimethylsilyl-pent-5-yn-1-oic acid
Conditions | Yield |
---|---|
With copper; zinc In acetonitrile at 120℃; for 5h; in a sealed tube; Yields of byproduct given; | A n/a B 52% |
6,12,13-Trioxadispiro<4.1.4.2>tridecan
A
3,4,5,6-tetrahydro-2H-pyran-2-one
B
pent-4-enoic acid
C
1-Oxacycloundecan-2,10-dion
D
cyclopentanone
Conditions | Yield |
---|---|
In pentane at -20℃; for 8h; Irradiation; | A 16% B 7% C 45% D 14% |
Conditions | Yield |
---|---|
With bis(tri-n-butyltin)oxide In toluene at 90℃; for 48h; | 42% |
With bis(tri-n-butyltin)oxide In toluene for 48h; Heating; | 42% |
(alkaline hydrolysis); | |
With potassium hydroxide Yield given; |
tetrahydrofuran
perpentene-4 oate de tertiobutyle
A
2-butanyltetrahydrofuran
B
octahydro-2,2′-bifuran
C
2-tert-butoxytetrahydrofuran
D
pent-4-enoic acid
E
acide (tetrahydrofuryl-2)-5 pentanoique
F
(tetrahydrofuryl-2)-5 pentanolide-4
Conditions | Yield |
---|---|
at 110℃; for 8h; Product distribution; Mechanism; other temperatures, other times, also with various ethers, other products; | A 6% B 7% C 4% D 6% E 17% F 42% |
tetrahydrofuran
perpentene-4 oate de tertiobutyle
A
octahydro-2,2′-bifuran
B
pent-4-enoic acid
C
acide (tetrahydrofuryl-2)-5 pentanoique
D
(tetrahydrofuryl-2)-5 pentanolide-4
Conditions | Yield |
---|---|
at 110℃; for 8h; Further byproducts given; | A 7% B 6% C 17% D 42% |
pent-4-enoic acid
Conditions | Yield |
---|---|
With zinc In tetrahydrofuran | 35% |
Conditions | Yield |
---|---|
Stage #1: 1-bromo-4-butene With magnesium In tetrahydrofuran at 20 - 70℃; Stage #2: carbon dioxide In tetrahydrofuran at -50 - -40℃; Stage #3: With hydrogenchloride In tetrahydrofuran; water | 35% |
Conditions | Yield |
---|---|
With (1,2-dimethoxyethane)dichloronickel(II); 2.9-dimethyl-1,10-phenanthroline; silver fluoride In N,N-dimethyl acetamide at 20℃; under 5171.62 Torr; for 24h; | A 7% B 21% |
Conditions | Yield |
---|---|
Stage #1: cyclopentanone With dihydrogen peroxide Stage #2: With copper(II) sulfate; iron(II) sulfate | 20% |
With dihydrogen peroxide; copper(II) sulfate; iron(II) sulfate 1.) MeOH, 20 - 25 deg C, 1 h, 2.) 18- 20 deg C; Yield given. Multistep reaction; |
5-bromopentanoic acid
1-butyn-4-ol
A
pent-4-enoic acid
B
9-hydroxy-non-6-ynoic acid
C
5-Hydroxy-pentanoic acid but-3-ynyl ester
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; hexane 1) -110 deg C, 2) room temp., 18 h; Yield given; | A 10% B 5% C n/a |
Conditions | Yield |
---|---|
With manganese; (1,2-dimethoxyethane)dichloronickel(II); 2.9-dimethyl-1,10-phenanthroline In N,N-dimethyl acetamide at 20℃; under 5171.62 Torr; for 14h; | 8% |
5-bromopentanoic acid
propargyl alcohol
A
pent-4-enoic acid
B
8-hydroxyoct-6-ynoic acid
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; hexane 1) -30 deg C, 2) room temp., 18 h; Yield given; | A 5% B n/a |
With n-butyllithium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide Product distribution; 1) -30 deg C, 2) room temp., 18 h; other temperature; |
5-bromopentanoic acid
1-butyn-4-ol
A
pent-4-enoic acid
B
9-hydroxy-non-6-ynoic acid
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; hexane 1) -30 deg C, 2) room temp., 18 h; Yield given; | A 5% B n/a |
With n-butyllithium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide Product distribution; 1) -30 deg C, 2) room temp., 18 h; other temperature; |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite | |
With hydrogenchloride; sodium nitrite |
1,2,4-Tribromobutane
pent-4-enoic acid
Conditions | Yield |
---|---|
With diethyl ether; magnesium und man laesst auf das Reaktionsprodukt CO2 einwirken; |
allylmalonic acid
A
pent-4-enoic acid
B
methylammonium carbonate
Conditions | Yield |
---|---|
at 180℃; |
Conditions | Yield |
---|---|
With sodium ethanolate at 150 - 160℃; und nachfolgendes Verseifen des Aethylesters durch Erwaermen mit alkoholischer Kalilauge; | |
With potassium hydroxide; water |
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide; sodium phenylselenide In tetrahydrofuran |
Conditions | Yield |
---|---|
(i) nBuLi, (ii) /BRN= 635704/, (iii) aq. HCl; Multistep reaction; |
Conditions | Yield |
---|---|
With iodine; sodium hydrogencarbonate; potassium iodide for 36h; Ambient temperature; | 100% |
With iodine; sodium hydrogencarbonate; potassium iodide In water for 12h; Ambient temperature; | 98% |
With oxone; potassium iodide In acetonitrile for 0.5h; | 97% |
pent-4-enoic acid
diphenyl diselenide
5-phenylselanylmethyl-dihydro-furan-2-one
Conditions | Yield |
---|---|
With copper(I) trifluoromethanesulfonate benzene; calcium carbonate In dichloromethane at 30℃; for 8h; | 100% |
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 30℃; | 95% |
With carbon tetrabromide In dichloromethane for 4h; Irradiation; | 95% |
pent-4-enoic acid
5-chloromethyl-dihydro-furan-2-one
Conditions | Yield |
---|---|
With sodium hypochlorite; magnesium chloride In dichloromethane; water at 20℃; for 0.666667h; | 100% |
Stage #1: pent-4-enoic acid With oxalyl dichloride; 1,1'-sulfinylbisbenzene In dichloromethane at -78 - 20℃; for 1h; Inert atmosphere; Stage #2: With potassium carbonate In acetonitrile at 20℃; for 2h; Reagent/catalyst; Inert atmosphere; | 88% |
With [bis(acetoxy)iodo]benzene; lithium chloride In methanol at 20℃; for 1h; | 73% |
pent-4-enoic acid
pent-4-enoic acid (benzylcarbamoyl-methyl)-[(4-methoxy-benzylcarbamoyl)-methyl]-amide
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In N,N-dimethyl-formamide at 25℃; Acylation; | 100% |
pent-4-enoic acid
3-bromoaniline
pent-4-enoic acid (3-bromo-phenyl)-amide
Conditions | Yield |
---|---|
With dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane | 100% |
With N-(3-dimethylaminopropyl)-N-ethylcarbodiimide Acylation; |
pent-4-enoic acid
tert-butyl 1-(6-(2-amino-4-nitrophenyl)-3-chloropyridazin-4-yl)but-3-enylcarbamate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; for 1.5h; | 100% |
2-(4-chlorophenyl)-1,3-dioxolane
pent-4-enoic acid
5-(4-(1,3-dioxolan-2-yl)benzyl)dihydrofuran-2(3H)-one
Conditions | Yield |
---|---|
With caesium carbonate In 2,2,2-trifluoroethanol for 6h; Inert atmosphere; Irradiation; | 100% |
Conditions | Yield |
---|---|
Stage #1: pent-4-enoic acid With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 0.5h; Stage #2: 3-methyl-butane-1,3-diol In dichloromethane at 20℃; | 100% |
pent-4-enoic acid
O-(tert-butyldimethylsilanyl)hydroxylamine
Conditions | Yield |
---|---|
Stage #1: pent-4-enoic acid With 4-methyl-morpholine; chloroformic acid ethyl ester In diethyl ether at 0℃; for 1.5h; Inert atmosphere; Stage #2: O-(tert-butyldimethylsilanyl)hydroxylamine In diethyl ether at 0 - 20℃; for 4.5h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With dmap; diisopropyl-carbodiimide In dichloromethane at 0 - 20℃; for 1.16667h; | 100% |
pent-4-enoic acid
5-hydroxymethyl-4,5-dihydrofuranone
Conditions | Yield |
---|---|
With hydrogenchloride; dihydrogen peroxide In methanol; formic acid | 99% |
With formic acid; dihydrogen peroxide at 50℃; for 2.25h; | 97% |
With dihydrogen peroxide In tert-butyl alcohol | 88% |
pent-4-enoic acid
pent-4-enoyl chloride
Conditions | Yield |
---|---|
With oxalyl dichloride In dichloromethane at 20℃; for 4h; Substitution; | 99% |
With thionyl chloride; N,N-dimethyl-formamide for 16h; Inert atmosphere; Reflux; Schlenk technique; | 99% |
With thionyl chloride at 70℃; for 3h; | 93% |
pent-4-enoic acid
[bis(acetoxy)iodo]benzene
(5-oxotetrahydrofuran-2-yl)methyl acetate
Conditions | Yield |
---|---|
With trifluorormethanesulfonic acid In acetic acid at 80℃; for 17h; | 99% |
With tetrafluoroboric acid In acetic acid for 1h; Ambient temperature; | 73% |
pent-4-enoic acid
5-bromomethyl-γ-butyrolactone
Conditions | Yield |
---|---|
With N-Bromosuccinimide In dichloromethane at 20℃; for 4.5h; Darkness; Molecular sieve; | 99% |
Stage #1: pent-4-enoic acid With dmap; bis(4-methoxyphenyl)selenide In chloroform at 0℃; for 0.25h; Stage #2: With N-Bromosuccinimide; sodium hydrogencarbonate In chloroform at 0℃; for 16h; Darkness; Inert atmosphere; regioselective reaction; | 98% |
With Oxone; potassium bromide In nitromethane at -10℃; for 23h; Green chemistry; | 97% |
pent-4-enoic acid
N,O-dimethylhydroxylamine*hydrochloride
N-methoxy-N-methyl-4-pentenamide
Conditions | Yield |
---|---|
Stage #1: pent-4-enoic acid With 1,1'-carbonyldiimidazole In dichloromethane at 0℃; for 0.5h; Stage #2: N,O-dimethylhydroxylamine*hydrochloride In dichloromethane at 0 - 20℃; | 99% |
Stage #1: pent-4-enoic acid With 1,1'-carbonyldiimidazole In dichloromethane at 20℃; for 1h; Stage #2: N,O-dimethylhydroxylamine*hydrochloride In dichloromethane at 20℃; for 16h; | 84% |
Stage #1: pent-4-enoic acid With thionyl chloride at 60℃; for 5h; Stage #2: N,O-dimethylhydroxylamine*hydrochloride With triethylamine In dichloromethane at 0℃; for 0.5h; | 83% |
pent-4-enoic acid
N-((1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl)-4-methylbenzenesulfonamide
(1S,2R)-1-(tosylamino)-2,3-dihydro-1H-inden-2-yl pent-4-enoate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 23℃; | 99% |
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane for 3h; | 99% |
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 23℃; for 4h; | 4.31 g |
Conditions | Yield |
---|---|
In benzene Heating; | 99% |
pent-4-enoic acid
N,2-[(1,1-dimethylethoxy)carbonyl]-L-lysine methyl ester hydrochloride
2-tert-butoxycarbonylamino-6-pent-4-enoylamino-hexanoic acid methyl ester
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; | 99% |
pent-4-enoic acid
2-(3,4-dimethoxyphenyl)-ethylamine
N-[2-(3,4-dimethoxyphenyl)ethyl]-4-pentenamide
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 1.5h; under nitrogen atmosphere; | 99% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine | 95% |
methyl 5-[2-(1-methyl-1H-indol-3-yl)ethyl]amino-1,3,4-thiadiazole-2-carboxylate
pent-4-enoic acid
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 25℃; for 16h; | 99% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; Inert atmosphere; Cooling with ice; | 99% |
pent-4-enoic acid
(-)-1-[3-(4-methoxybenzyloxy)-1-penten-4-yloxycarbonyl]prop-2-yl 5-hydroxy-4-[(2-methoxyethoxy)methoxy]-2-hexenoate
C32H46O11
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; Inert atmosphere; | 99% |
pent-4-enoic acid
(E)-N-allyl-N-(3-hydroxybut-1-enyl)-4-methylbenzenesulfonamide
(E)-4-(N-allyl-4-methylphenylsulfonamido)but-3-en-2-yl pent-4-enoate
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 0 - 20℃; for 15h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
Stage #1: pent-4-enoic acid With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 0.5h; Stage #2: 2,2-Dimethyl-1,3-diaminopropane In dichloromethane at 20℃; | 99% |
pent-4-enoic acid
2,3,4,6-Tetra-O-benzyl-D-glucopyranose
Conditions | Yield |
---|---|
With (R)-(+)-2-phenyl-2,3-dihydrobenzo[d]imidazo[2,1-b]thiazole; 2,2-dimethylpropanoic anhydride; N-ethyl-N,N-diisopropylamine In chloroform at 20℃; for 24h; Inert atmosphere; diastereoselective reaction; | A 99% B n/a |
pent-4-enoic acid
6-nitroveratryl alcohol
4-pentenoic acid 4,5-dimethoxy-2-nitrobenzyl
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 0 - 20℃; | 99% |
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 130℃; for 5h; | 99% |
Conditions | Yield |
---|---|
With zinc trifluoromethanesulfonate; toluene-4-sulfonic acid In 1,2-dichloro-ethane for 16h; Sealed tube; Reflux; | 98% |
With ZrOTf-BTC In octane at 120℃; for 18h; Sealed tube; Inert atmosphere; | 95% |
silver trifluoromethanesulfonate; iron(III) chloride In 1,2-dichloro-ethane at 80℃; for 5h; | 93% |
pent-4-enoic acid
4-pentenoic anhydride
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In dichloromethane Inert atmosphere; | 98% |
With N,N-bis[2-oxo-3-oxazolidinyl]phosphorodiamidic chloride; triethylamine In dichloromethane for 0.5h; Ambient temperature; | 84% |
With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 2h; | |
With 2,4,6-trimethyl-pyridine; carbon tetrabromide In N,N-dimethyl-formamide for 0.5h; UV-irradiation; | 75 %Spectr. |
pent-4-enoic acid
(R)-[2-(hydroxymethyl)-6-methyl-4-oxo-4H-1,3-dioxin-2-yl]methyl acetate
(S)-{2-[(acetoxy)methyl]-6-methyl-4-oxo-4H-1,3-dioxin-2-yl}methyl pent-4-enoate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane for 3h; cooling; | 98% |
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