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:97-41-6
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inquiryOur 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
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inquiryAppearance:yellow liquid Storage:2-8°C Package:200kg/drum Application:Ethyl Chrysanthemate is an organic building block used in the synthesis of various chemical compounds, such as insecticide, Resmethrin (R144685). It is used in the preparation of
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inquiry1.In No Less 10 years exporting experience. you 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 Specializ
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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
Best 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
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
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inquiryOur 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 Speci
Cas:97-41-6
Min.Order:1 Kilogram
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Type:Trading Company
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developmen
Cas:97-41-6
Min.Order:1 Kilogram
FOB Price: $2.0 / 6.0
Type:Trading Company
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
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GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
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Cas:97-41-6
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Negotiable
Type:Lab/Research institutions
inquiryProduct Name: Ethyl chrysanthemumate Synonyms: 2,2-dimethyl-3-(2-methyl-1-propenyl)-cyclopropanecarboxylicaciethylester;2,2-Dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylic acid ethyl ester;2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxyli
Cas:97-41-6
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
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
Cas:97-41-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is
Cas:97-41-6
Min.Order:100 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryhigh 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:97-41-6
Min.Order:0
Negotiable
Type:Manufacturers
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Ansciep 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
Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:97-41-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryEthyl chrysanthemumate cas 97-41-6Appearance: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 Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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
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
Cas:97-41-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry2,5-Dimethyl-2,4-hexadiene
GlyOEt*HCl
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
Stage #1: GlyOEt*HCl With acetic acid; carbonic acid dimethyl ester at 20 - 28℃; pH=3.5 - 4.53; Large scale; Stage #2: 2,5-Dimethyl-2,4-hexadiene With copper(l) chloride at 90 - 95℃; Large scale; | 92% |
diazoacetic acid ethyl ester
2,5-Dimethyl-2,4-hexadiene
A
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
B
diethyl Fumarate
C
Diethyl maleate
Conditions | Yield |
---|---|
hexarhodium hexadecacarbonyl at 60℃; for 7h; | A 91% B n/a C n/a |
diazoacetic acid ethyl ester
2,5-Dimethyl-2,4-hexadiene
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
K-PFIEP[SO3 H] In dichloromethane | 89.6% |
Stage #1: 2,5-Dimethyl-2,4-hexadiene With dirhodium tetraacetate In dichloromethane for 0.5h; Stage #2: diazoacetic acid ethyl ester In dichloromethane at 20℃; for 24h; Reagent/catalyst; | 80% |
dirhodium tetraacetate at 25℃; Yield given; |
diazoacetic acid ethyl ester
2,5-Dimethyl-2,4-hexadiene
A
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
B
ethyl 2,2-dimethyl-3-(2-methylpropenyl)-cyclopropanecarboxylate
C
ethyl 2,2-dimethyl-3-(2-methylpropenyl)-cyclopropanecarboxylate
Conditions | Yield |
---|---|
Stage #1: 2,5-Dimethyl-2,4-hexadiene With C30H27FeN2P; 2Cu(1+)*2CF3O3S(1-)*0.5C6H6 In 1,2-dichloro-ethane at 60℃; for 0.5h; Inert atmosphere; Molecular sieve; Industrial scale; Stage #2: diazoacetic acid ethyl ester In 1,2-dichloro-ethane for 18h; Reagent/catalyst; Inert atmosphere; Molecular sieve; Industrial scale; enantioselective reaction; | A n/a B 80% C n/a |
ethyl oxido-chrysanthemate
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With pyridine; carbon disulfide; phosphorous triiodide for 4h; Heating; | 77% |
ethyl oxido-chrysanthemate
B
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With samarium diiodide; tert-butyl alcohol In tetrahydrofuran at 20℃; for 2h; | A 70% B 12% |
2,5-Dimethyl-2,4-hexadiene
glycine ethyl ester hydrochloride
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite; iodo(5,10,15,20-tetraphenylporphyrinato-κ4N)rhodium(III) In dichloromethane; water at 20℃; for 96h; | 52% |
ethyl 3-methylbut-2-enoate
(3-Methyl-2-butenyl)(nonafluorbutyl)sulfon
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With sodium hydroxide; tertamethylammonium iodide In N,N-dimethyl-formamide 1.) -15 deg C, 3 d; 2.) 0 deg C, 3 d; 3.) 10 deg C, 3 d; 4.) room temperature, 120 d; | 50% |
With sodium hydroxide; tetra-(n-butyl)ammonium iodide In N,N-dimethyl-formamide at -10 - 20℃; for 1200h; Product distribution; other PT-catalysts, bases, temperatures, times and catalyst/reactant ratios; | 35% |
ethyl 3-methylbut-2-enoate
prenyl tolyl sulfone
sodium methylate
A
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
B
chrysanthemumic acid methyl ester
C
methyl 2,4,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
D
ethyl 2,2,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide |
ethyl 3-methylbut-2-enoate
prenyl tolyl sulfone
A
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
B
chrysanthemumic acid methyl ester
C
methyl 2,4,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
D
methyl 3,3,6-trimethyl-4,6-heptadienoate
E
ethyl 3,3,6-trimethyl-4,6-heptadienoate
F
ethyl 2,2,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
Conditions | Yield |
---|---|
With sodium methylate In N,N-dimethyl-formamide Product distribution; different ratio of sodium methoxide to the title compounds; |
ethyl 3-methylbut-2-enoate
prenyl tolyl sulfone
A
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
B
chrysanthemumic acid methyl ester
C
methyl 2,4,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
D
ethyl 2,2,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
Conditions | Yield |
---|---|
With sodium methylate In N,N-dimethyl-formamide |
Benzoic acid (E)-5-ethoxycarbonyl-1,1,4,4-tetramethyl-pent-2-enyl ester
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran for 0.0833333h; from -78 degC to room temp.; |
5-hydroxy-2,5-dimethyl-2-acetyloxy-3-hexene
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
Ficini's reaction; |
Conditions | Yield |
---|---|
With sodium hydroxide at 0℃; dann bei 20grad; d-trans-chrysanthemum-oic acid ethyl ester; |
chrysanthemumic acid-(2-methyl-3-penta-2,4-dienyl-4-semicarbazono-cyclopent-2-enyl ester)
A
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
B
chrysanthemumic acid
Conditions | Yield |
---|---|
semicarbazone of pyrethrin I; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 70 percent / Bu4NI / dimethylformamide / 2 h / 70 °C 2: 35 percent / NaOH, Bu4NI / dimethylformamide / 1200 h / -10 - 20 °C / other PT-catalysts, bases, temperatures, times and catalyst/reactant ratios View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 60 percent / petroleum ether / 0 °C 2: 35 percent / NaOH, Bu4NI / dimethylformamide / 1200 h / -10 - 20 °C / other PT-catalysts, bases, temperatures, times and catalyst/reactant ratios View Scheme |
diazoacetic acid ethyl ester
2,5-Dimethyl-2,4-hexadiene
copper(II) bis(trifluoromethanesulfonate)
1,2-dichloro-ethane
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
In nitrogen |
diazoacetic acid ethyl ester
2,2'-methylenebis[(4R)-4-phenyl-5,5-diphenyl-2-oxazoline]
n-Butyl chloride
2,5-Dimethyl-2,4-hexadiene
copper(I) triflate
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
In nitrogen |
(R)-(N-5-nitrosalicylidene)-2-amino-1,1-di(2-methoxyphenyl)-1-propanol
diazoacetic acid ethyl ester
titanium(IV) isopropylate
2,5-Dimethyl-2,4-hexadiene
copper(II) acetate monohydrate
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With nitrogen; phenylhydrazine; copper In ethyl acetate |
diazoacetic acid ethyl ester
2,5-Dimethyl-2,4-hexadiene
aluminum ethoxide
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With phenylhydrazine; copper In ethyl acetate | |
With phenylhydrazine; copper In ethyl acetate |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
Conditions | Yield |
---|---|
With ToMMgMe at 24.84℃; | 99% |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
(1R,3R)-trans-chrysanthemic acid
Conditions | Yield |
---|---|
With water; sodium hydroxide In ethanol for 2h; Reagent/catalyst; Solvent; Reflux; | 98.3% |
With glycine-NaOH buffer In ethanol; water at 45℃; Arthrobacter globiformis carboxylesterase; | |
With glycine-NaOH buffer In ethanol; water at 45℃; stereoselective hydrolysis with Arthrobacter globiformis esterase; |
Conditions | Yield |
---|---|
With C39H53ClN2P2Ru; potassium methanolate; hydrogen In tetrahydrofuran at 20℃; under 3800.26 Torr; Glovebox; Autoclave; chemoselective reaction; | 98% |
With n-butyllithium; poly(methylhydrosiloxane); bis(cyclopentadienyl)titanium dichloride In tetrahydrofuran; hexane for 1h; Ambient temperature; | 90% |
With HN(CH2CH2C3H3N2Mes)2Cl2; potassium tert-butylate; hydrogen; cobalt(II) chloride In tetrahydrofuran at 100℃; under 22502.3 Torr; for 16h; Autoclave; Glovebox; | 79% |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
ethyl oxido-chrysanthemate
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In dichloromethane | 93% |
With dihydrogen peroxide; formamide In methanol; water at 50℃; for 3h; | 69% |
With manganese(II) sulfate; sodium hydrogencarbonate In N,N-dimethyl-formamide pH=8; | |
With manganese(II) sulfate; dihydrogen peroxide; sodium hydrogencarbonate In N,N-dimethyl-formamide pH=8.0; |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
ethyl trans-(+/-)-chrysanthemate
Conditions | Yield |
---|---|
With sodium hydride In mineral oil for 3h; Inert atmosphere; | 93% |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
chrysanthemumic acid
Conditions | Yield |
---|---|
With water; sodium hydroxide In tetrahydrofuran; methanol at 80℃; Inert atmosphere; | 91% |
Stage #1: ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate With sodium hydroxide; water In tetrahydrofuran; methanol at 80℃; for 4h; Stage #2: With hydrogenchloride In water | 90% |
Stage #1: ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate With sodium hydroxide; water In tetrahydrofuran; methanol at 80℃; for 4h; Stage #2: With hydrogenchloride In water | 90% |
alkaline hydrolysis; | |
With sodium hydroxide In diethyl ether; ethanol; water |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
ethyl chrysanthemumate diol
Conditions | Yield |
---|---|
With pyridine; trimethylamine-N-oxide; osmium(VIII) oxide In water; tert-butyl alcohol for 24h; Heating; | 91% |
With osmium(VIII) oxide; trimethylamine-N-oxide In pyridine; water; tert-butyl alcohol for 24h; Heating; | 91% |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
ethyl 3-formyl-2,2-dimethylcyclopropanecarboxylate
Conditions | Yield |
---|---|
Stage #1: ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate In dichloromethane at -78℃; for 2h; ozonolysis; Stage #2: With triphenylphosphine In dichloromethane at -78 - 20℃; Reduction; | 90% |
Stage #1: ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 0 - 20℃; Stage #2: With periodic acid In diethyl ether at 0 - 20℃; | 58% |
With ozone |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
2-Benzyl-3-furanylmethylacetat
2,2-Dimethyl-3-(2-methyl-propenyl)-cyclopropanecarboxylic acid 2-benzyl-furan-3-ylmethyl ester
Conditions | Yield |
---|---|
With sodium ethanolate In toluene for 4h; Heating; | 80% |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
p-nitrobenzenesulfonamide
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene; 1,3-dimethyl-imidazoline-2-selone In dichloromethane Inert atmosphere; diastereoselective reaction; | 79% |
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene; 1,3-dimethyl-imidazoline-2-selone In dichloromethane Inert atmosphere; | 72% |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With HO4S(1-)*K(1+)*13FH In 1,2-dichloro-ethane at 0 - 20℃; for 2h; regioselective reaction; | 61% |
With HSO4- exchanged Amberlyst A26 resin-supported hydrogen fluoride In 1,2-dichloro-ethane at 20℃; for 15h; | 57% |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With potassium permanganate; sulfuric acid; sodium sulfite for 4h; | 30% |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With iron(II) triflate; sodium azide; O-pivaloylhydroxylamine trifluoromethanesulfonate salt In methanol at 20℃; for 16h; regioselective reaction; | 23% |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
cis-Chrysanthemic acid
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol Reflux; | A n/a B 7% |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
sodium tert-pentoxide
tert-amyl trans-chrysanthemate
Conditions | Yield |
---|---|
In toluene for 0.75h; Heating; |
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
2-(2-Methyl-1-propenyl)-4-furanylmethylacetat
Conditions | Yield |
---|---|
With sodium ethanolate In toluene for 4h; Heating; | 39 % Turnov. |
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