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
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inquiryHenan 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
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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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
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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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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
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inquiry★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
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inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a
Supply top quality products with a reasonable price Application:api
(Z)-3-Methylpent-2-en-4-yn-1-olAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Good Quality Application:Medical or chemical
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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
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Cas:6153-05-5
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Cas:6153-05-5
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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
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inquiry1. Subsidiary of Institute of Chemistry, Henan Academy of Sciences, national research platform;2. About 30 years’ experience in this field since 1983;3. An experienced R&D team consisting of Doctors and Masters;4. Various types of analytical instrume
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inquiryBest service,high quality and reasonable price,COA 1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost
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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
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inquiryFINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the (Z)-3-Methylpent-2-en-4-yn-1-ol, CAS:6153-05-5 with the most competitive price and th
(Z)-3-Methylpent-2-en-4-yn-1-ol Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen
3-methyl-1-penten-4-yn-3-ol
A
(Z)-3-methylpent-2-en-4-ynol
B
(E)-3-methylpent-2-en-4-yn-1-ol
Conditions | Yield |
---|---|
acid Allylic Rearrangement; | A 85% B 15% |
With sulphurous acid at 50℃; for 2h; Isomerization; | A 81% B n/a |
With sulfuric acid; hydroquinone In di-isopropyl ether at 50 - 52℃; for 2h; | A 73.7% B 14.1% |
3-methyl-1-penten-4-yn-3-ol
A
(E)-1-bromo-3-methylpent-2-en-4-yne
B
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
With hydrogen bromide; hydroquinone In di-isopropyl ether at 50 - 52℃; for 8h; | A 59.6% B 19.3% |
(Z)-3-methyl-5-trimethylsilylpent-2-en-4-yn-1-ol
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
With methanol; potassium carbonate at 20℃; | 58% |
With potassium carbonate In methanol |
Conditions | Yield |
---|---|
With nitric acid; hydroquinone In di-isopropyl ether at 50 - 52℃; for 7h; | A 16.1% B 56.4% C 13% |
Conditions | Yield |
---|---|
With sulfuric acid; water at 20℃; for 48h; | 56% |
With water at 70℃; | 13% |
With sulfuric acid for 20h; |
5-Trimethylsilyl-3-methyl-pent-1-en-4-in-3-ol
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3, MeOH 2: H2O, H2SO4 View Scheme | |
Multi-step reaction with 2 steps 1: K2CO3 / methanol 2: 10percent H2SO4 View Scheme |
Conditions | Yield |
---|---|
With benzophenone In acetonitrile for 0.333333 - 4h; Product distribution / selectivity; UV-irradiation; Microwave irradiation; | |
With bis(p-dimethylaminophenyl)methanone In acetonitrile for 0.333333 - 2h; Product distribution / selectivity; UV-irradiation; Microwave irradiation; | |
With benzophenone In acetonitrile at 25℃; for 1h; Product distribution / selectivity; UV-irradiation; | |
With iodine In acetonitrile at 200℃; under 15001.5 Torr; for 1.01667h; Product distribution / selectivity; UV-irradiation; Microwave irradiation; |
3-methyl-2-penten-4-yn-1-al
A
(Z)-3-methylpent-2-en-4-ynol
B
(E)-3-methylpent-2-en-4-yn-1-ol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol at 25℃; for 3h; Overall yield = 95 %; |
(Z)-3-methylpent-2-en-4-ynol
2,3-dimethylfuran
Conditions | Yield |
---|---|
With [Au2Cl2(μ-1,1′-bis(ditert-butylphosphino)ferrocene)] In chloroform-d1; 1,2-dichloro-ethane at 20℃; for 3h; Catalytic behavior; Reagent/catalyst; Inert atmosphere; | 100% |
With CuCl2*2H2O | 98% |
With trimethyl-4,6,9 hexaza-1,3,4,6,7,9 phospha-5 tricyclo<3.3.1.13,7>decane; [{IrCl(μ-Cl)(η4-cod)}2] In water at 80℃; for 1h; | 96% |
Conditions | Yield |
---|---|
With sulfuric acid; hydroquinone; mercury dichloride In di-isopropyl ether at 50 - 52℃; for 0.166667h; Product distribution; | 100% |
vinyl acetate
(Z)-3-methylpent-2-en-4-ynol
(Z)-3-Methyl-2-penten-4-in-1-ylacetat
Conditions | Yield |
---|---|
With hexamethyltriamido-N-benzylimidophosphate In tetrahydrofuran at 20℃; for 15h; Acylation; | 99% |
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
Stage #1: (Z)-3-methylpent-2-en-4-ynol With n-butyllithium In tetrahydrofuran at -80℃; for 0.75h; Stage #2: 6-iodo-2,2-dimethyl-3,4-dihydronaphthalen-1(2H)-one In tetrahydrofuran at -80 - 20℃; for 1.16667h; | 99% |
3,4-dihydro-2H-pyran
(Z)-3-methylpent-2-en-4-ynol
(Z)-3-Methyl-2-penten-4-ynyl tetrahydropyranyl ether
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In dichloromethane at 0℃; for 3h; | 98% |
With pyridinium p-toluenesulfonate In dichloromethane for 2h; Ambient temperature; | 96% |
With toluene-4-sulfonic acid In diethyl ether at 20℃; | 87% |
With toluene-4-sulfonic acid at 20℃; for 0.75h; |
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
With diethylamine; potassium bromide; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran Ambient temperature; | 97% |
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; hexane | 97% |
(Z)-3-methylpent-2-en-4-ynol
trimethyl orthoformate
(Z)-5-Dimethoxymethoxy-3-methyl-pent-3-en-1-yne
Conditions | Yield |
---|---|
With magnesium chloride In dichloromethane at 25℃; for 2h; | 96% |
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
Stage #1: (Z)-3-methylpent-2-en-4-ynol With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Inert atmosphere; Stage #2: 7,7-dimethyl-2-phenyl-6,7-dihydroquinoline-5,8-dione In tetrahydrofuran at -78 - 20℃; for 2.5h; Inert atmosphere; regioselective reaction; | 96% |
Stage #1: (Z)-3-methylpent-2-en-4-ynol With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: 7,7-dimethyl-2-phenyl-6,7-dihydroquinoline-5,8-dione In tetrahydrofuran; hexane at -78 - 20℃; for 17h; Inert atmosphere; regioselective reaction; | 79% |
iodobenzene
(Z)-3-methylpent-2-en-4-ynol
(Z)-3-methyl-5-phenyl-2-penten-4-yn-1-ol
Conditions | Yield |
---|---|
copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In various solvent(s) 15 min, 0 deg C; 30 min, RT; | 95% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide for 2h; Ambient temperature; | 93% |
(Z)-3-methylpent-2-en-4-ynol
benzoyl chloride
Benzoic acid (Z)-3-methyl-pent-2-en-4-ynyl ester
Conditions | Yield |
---|---|
With pyridine In dichloromethane 1.) 0 deg C, 2 h, 2.) room temperature, 16 h; | 95% |
With triethylamine | 91% |
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
With silver carbonate In benzene-d6 at 20℃; for 2h; Cyclization; | 95% |
(Z)-3-methylpent-2-en-4-ynol
chlorodimethyl(1,1,2-trimethylpropyl)silane
(Z)-[(2,3-dimethyl-2-butyl)dimethylsilyloxy]-3-methylpent-2-en-4-yne
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 0℃; for 18h; | 93% |
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
Stage #1: (Z)-3-methylpent-2-en-4-ynol With n-butyllithium In tetrahydrofuran at -80℃; for 0.666667h; Inert atmosphere; Stage #2: 2,2-dimethyl-6-pentyl-3,4-dihydronaphthalen-1(2H)-one In tetrahydrofuran at -80 - 20℃; for 0.666667h; Inert atmosphere; | 93% |
(Z)-3-methylpent-2-en-4-ynol
2-methyl-4-(2,6,6-trimethylcyclohex-1-en-1-yl)-2-butenal
2Z,7E-3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,7-nonadiene-4-yne-1,6-diol
Conditions | Yield |
---|---|
Stage #1: (Z)-3-methylpent-2-en-4-ynol With 2-Methoxypropene; toluene-4-sulfonic acid at 0℃; for 0.5h; Stage #2: With triethylamine at 20℃; Stage #3: 2-methyl-4-(2,6,6-trimethylcyclohex-1-en-1-yl)-2-butenal Reagent/catalyst; Further stages; | 92.2% |
(Z)-3-methylpent-2-en-4-ynol
{4-[2-Bromo-1-(2-methoxy-ethoxymethoxy)-cyclopent-2-enyl]-but-2-ynyloxy}-tert-butyl-dimethyl-silane
(Z)-5-[5-[4-(tert-Butyl-dimethyl-silanyloxy)-but-2-ynyl]-5-(2-methoxy-ethoxymethoxy)-cyclopent-1-enyl]-3-methyl-pent-2-en-4-yn-1-ol
Conditions | Yield |
---|---|
With propylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) | 92% |
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
With diethylamine; potassium bromide; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran Ambient temperature; | 92% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 25℃; for 14h; Inert atmosphere; Darkness; | 92% |
With triethylamine In dichloromethane at 25℃; for 1h; | 89% |
(Z)-3-methylpent-2-en-4-ynol
tert-butylchlorodiphenylsilane
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; | 92% |
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
With disodium hydrogenphosphate; 3-chloro-benzenecarboperoxoic acid In dichloromethane for 2h; | 91% |
With 3-chloro-benzenecarboperoxoic acid In dichloromethane 1.) 0 deg C, 30 min, 2.) room temperature, 13 h; | 62% |
With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane Epoxidation; |
(Z)-3-methylpent-2-en-4-ynol
acetylenedicarboxylic acid diethyl ester
1,6-dimethyl-7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid diethyl ester
Conditions | Yield |
---|---|
With C49H42Au2Cl2N2O4P4S2 In glycerol at 45℃; for 4h; Solvent; Green chemistry; | 91% |
With bis(1,5-cyclooctadiene)diiridium(I) dichloride at 20℃; for 4h; Inert atmosphere; | 81% |
Conditions | Yield |
---|---|
Stage #1: ethyl bromide With iodine; magnesium In tetrahydrofuran at 50℃; Inert atmosphere; Stage #2: (Z)-3-methylpent-2-en-4-ynol In tetrahydrofuran at 50℃; Inert atmosphere; Stage #3: propargyl bromide Further stages; | 91% |
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
Stage #1: (Z)-3-methylpent-2-en-4-ynol With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: 2,2,3,3-tetramethyl-2,3-dihydronaphthalene-1,4-dione In tetrahydrofuran; hexane at -78 - 20℃; for 16h; | 91% |
Conditions | Yield |
---|---|
Stage #1: (Z)-3-methylpent-2-en-4-ynol With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: 6,6-dimethyl-5,6-dihydrobenzofuran-4,7-dione In tetrahydrofuran; hexane at -78 - 20℃; for 17h; Inert atmosphere; regioselective reaction; | 90% |
(Z)-3-methylpent-2-en-4-ynol
4-methoxy-phenol
(Z)-(4-methoxyphenoxy)-3-methylpent-2-en-4-yne
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine for 4h; Ambient temperature; | 89% |
(Z)-3-methylpent-2-en-4-ynol
dimethyl acetylenedicarboxylate
1,6-dimethyl-7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With C49H42Au2Cl2N2O4P4S2 In glycerol at 45℃; for 4h; Green chemistry; | 89% |
With bis(1,5-cyclooctadiene)diiridium(I) dichloride at 20℃; for 4h; Inert atmosphere; | 83% |
(Z)-3-methylpent-2-en-4-ynol
Conditions | Yield |
---|---|
Stage #1: (Z)-3-methylpent-2-en-4-ynol With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Inert atmosphere; Stage #2: C12H11BrO2 In tetrahydrofuran at -78 - 20℃; for 2.5h; Inert atmosphere; regioselective reaction; | 89% |
Stage #1: (Z)-3-methylpent-2-en-4-ynol With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: C12H11BrO2 In tetrahydrofuran; hexane at -78 - 20℃; for 17h; Inert atmosphere; regioselective reaction; | 70% |
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