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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 quantities

Ethyl chrysanthemumate Manufacturer/High quality/Best price/In stock

Cas:97-41-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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

Chemwill Asia Co., Ltd.

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

Chrysanthemic acid ethyl ester

Cas:97-41-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

Ethyl chrysanthemumate

Cas:97-41-6

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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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

Professional Manufacturer CAS 97-41-6 with best quality

Cas:97-41-6

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Hangzhou Sartort Biopharma Co., Ltd

Appearance: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

Ethyl chrysanthemumate with high quality

Cas:97-41-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

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Shanghai Upbio Tech Co.,Ltd

1.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

Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-, ethyl ester

Cas:97-41-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

CAS NO.:97-41-6

Cas:97-41-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

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

Ethyl Chrysanthemumate

Cas:97-41-6

Min.Order:0

Negotiable

Type:Manufacturers

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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

Cyclopropanecarboxylicacid, 2,2-dimethyl-3-(2-methyl-1-propen-1-yl)-, ethyl ester

Cas:97-41-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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 Speci

Ethyl chrysanthemumate CAS 97-41-6

Cas:97-41-6

Min.Order:1 Kilogram

FOB Price: $150.0 / 180.0

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

hebei 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

Ethyl chrysanthemumate Manufacturer/High quality/Best price/In stock CAS NO.97-41-6

Cas:97-41-6

Min.Order:1 Kilogram

FOB Price: $2.0 / 6.0

Type:Trading Company

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Xiamen Jenny Chemical Technology Co., Ltd.

GMP 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,

Ethylchrysanthemumate

Cas:97-41-6

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Ethyl chrysanthemumate

Cas:97-41-6

Min.Order:0

Negotiable

Type:Manufacturers

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Golden Pharma Co., Limited

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

Ethyl chrysanthemumate

Cas:97-41-6

Min.Order:1 Kilogram

Negotiable

Type:Other

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Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Ethyl chrysanthemumate Cas no.97-41-6 98%

Cas:97-41-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Product 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

better offer for Ethyl chrysanthemumate

Cas:97-41-6

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

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GIHI CHEMICALS CO.,LIMITED

Lower 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

2,2-Dimethyl-3-(2-methyl-1-propenyl)cyclopropane carboxylic acid ethyl ester

Cas:97-41-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

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

1,3-di-O-tolylguanidine

Cas:97-41-6

Min.Order:0

Negotiable

Type:Other

inquiry

Lonwin Chemical Group Limited

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

Best price Ethyl Chrysanthemumate 97-41-6

Cas:97-41-6

Min.Order:100 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

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Henan Allgreen Chemical Co.,Ltd

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

Ethyl 2,2-DiMethyl-3-(2-Methyl-1-propenyl)cyclopropane-1-carboxylate

Cas:97-41-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

Ethyl Chrysanthemumate

Cas:97-41-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

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

Ethyl chrysantheMuMate

Cas:97-41-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen AmoyChem Co.,Ltd

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

Ethyl chrysanthemumate

Cas:97-41-6

Min.Order:0

Negotiable

Type:Other

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Guangdong Juda Chemical Industrial Co.,Limited

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

Ethyl chrysanthemumate CAS No.97-41-6

Cas:97-41-6

Min.Order:0

Negotiable

Type:Trading Company

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Hangzhou Fandachem Co.,Ltd

Ethyl 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

Ethyl chrysanthemumate cas 97-41-6

Cas:97-41-6

Min.Order:0

Negotiable

Type:Other

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Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

97-41-6

Cas:97-41-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemlyte Solutions

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Ethyl chrysanthemumate

Cas:97-41-6

Min.Order:0

Negotiable

Type:Other

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

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

Ethyl chrysanthemumate 97-41-6

Cas:97-41-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shenzhen Foris Technology Co. LTD

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

Ethyl chrysanthemumate 97-41-6

Cas:97-41-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2,5-Dimethyl-2,4-hexadiene
764-13-6

2,5-Dimethyl-2,4-hexadiene

GlyOEt*HCl
459-73-4

GlyOEt*HCl

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
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
623-73-4

diazoacetic acid ethyl ester

2,5-Dimethyl-2,4-hexadiene
764-13-6

2,5-Dimethyl-2,4-hexadiene

A

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

B

diethyl Fumarate
623-91-6

diethyl Fumarate

C

Diethyl maleate
141-05-9

Diethyl maleate

Conditions
ConditionsYield
hexarhodium hexadecacarbonyl at 60℃; for 7h;A 91%
B n/a
C n/a
diazoacetic acid ethyl ester
623-73-4

diazoacetic acid ethyl ester

2,5-Dimethyl-2,4-hexadiene
764-13-6

2,5-Dimethyl-2,4-hexadiene

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
K-PFIEP[SO3 H] In dichloromethane89.6%
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
623-73-4

diazoacetic acid ethyl ester

2,5-Dimethyl-2,4-hexadiene
764-13-6

2,5-Dimethyl-2,4-hexadiene

A

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

B

ethyl 2,2-dimethyl-3-(2-methylpropenyl)-cyclopropanecarboxylate
41641-25-2

ethyl 2,2-dimethyl-3-(2-methylpropenyl)-cyclopropanecarboxylate

C

ethyl 2,2-dimethyl-3-(2-methylpropenyl)-cyclopropanecarboxylate
41641-27-4

ethyl 2,2-dimethyl-3-(2-methylpropenyl)-cyclopropanecarboxylate

Conditions
ConditionsYield
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
167690-92-8

ethyl oxido-chrysanthemate

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
With pyridine; carbon disulfide; phosphorous triiodide for 4h; Heating;77%
ethyl oxido-chrysanthemate
167690-92-8

ethyl oxido-chrysanthemate

A

(E)-6-Hydroxy-3,3,6-trimethyl-hept-4-enoic acid ethyl ester

(E)-6-Hydroxy-3,3,6-trimethyl-hept-4-enoic acid ethyl ester

B

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
With samarium diiodide; tert-butyl alcohol In tetrahydrofuran at 20℃; for 2h;A 70%
B 12%
2,5-Dimethyl-2,4-hexadiene
764-13-6

2,5-Dimethyl-2,4-hexadiene

glycine ethyl ester hydrochloride
623-33-6

glycine ethyl ester hydrochloride

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
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
638-10-8

ethyl 3-methylbut-2-enoate

(3-Methyl-2-butenyl)(nonafluorbutyl)sulfon
77600-82-9

(3-Methyl-2-butenyl)(nonafluorbutyl)sulfon

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
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
638-10-8

ethyl 3-methylbut-2-enoate

prenyl tolyl sulfone
15543-64-3

prenyl tolyl sulfone

sodium methylate
124-41-4

sodium methylate

A

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

B

chrysanthemumic acid methyl ester
5460-63-9

chrysanthemumic acid methyl ester

C

methyl 2,4,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
75100-65-1

methyl 2,4,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate

D

ethyl 2,2,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
80348-45-4

ethyl 2,2,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate

Conditions
ConditionsYield
In N,N-dimethyl-formamide
ethyl 3-methylbut-2-enoate
638-10-8

ethyl 3-methylbut-2-enoate

prenyl tolyl sulfone
15543-64-3

prenyl tolyl sulfone

A

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

B

chrysanthemumic acid methyl ester
5460-63-9

chrysanthemumic acid methyl ester

C

methyl 2,4,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
75100-65-1

methyl 2,4,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate

D

methyl 3,3,6-trimethyl-4,6-heptadienoate
72410-97-0

methyl 3,3,6-trimethyl-4,6-heptadienoate

E

ethyl 3,3,6-trimethyl-4,6-heptadienoate
80348-48-7

ethyl 3,3,6-trimethyl-4,6-heptadienoate

F

ethyl 2,2,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
80348-45-4

ethyl 2,2,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate

Conditions
ConditionsYield
With sodium methylate In N,N-dimethyl-formamide Product distribution; different ratio of sodium methoxide to the title compounds;
ethyl 3-methylbut-2-enoate
638-10-8

ethyl 3-methylbut-2-enoate

prenyl tolyl sulfone
15543-64-3

prenyl tolyl sulfone

A

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

B

chrysanthemumic acid methyl ester
5460-63-9

chrysanthemumic acid methyl ester

C

methyl 2,4,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
75100-65-1

methyl 2,4,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate

D

ethyl 2,2,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate
80348-45-4

ethyl 2,2,4-trimethyl-6-oxo-1-cyclohexene-1-carboxylate

Conditions
ConditionsYield
With sodium methylate In N,N-dimethyl-formamide
Benzoic acid (E)-5-ethoxycarbonyl-1,1,4,4-tetramethyl-pent-2-enyl ester
86297-03-2

Benzoic acid (E)-5-ethoxycarbonyl-1,1,4,4-tetramethyl-pent-2-enyl ester

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran for 0.0833333h; from -78 degC to room temp.;
5-hydroxy-2,5-dimethyl-2-acetyloxy-3-hexene
121950-30-9

5-hydroxy-2,5-dimethyl-2-acetyloxy-3-hexene

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
Ficini's reaction;
ethanol
64-17-5

ethanol

semicarbazone of pyrethrin I

semicarbazone of pyrethrin I

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
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)
6227-48-1

chrysanthemumic acid-(2-methyl-3-penta-2,4-dienyl-4-semicarbazono-cyclopent-2-enyl ester)

ethanolic NaOH-solution

ethanolic NaOH-solution

A

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

B

chrysanthemumic acid
10453-89-1

chrysanthemumic acid

C

pyrethrolone semicarbazone

pyrethrolone semicarbazone

Conditions
ConditionsYield
semicarbazone of pyrethrin I;
prenyl bromide
870-63-3

prenyl bromide

sodium-compound of 5,7-dihydroxy-2-methyl-chromen-4-one

sodium-compound of 5,7-dihydroxy-2-methyl-chromen-4-one

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
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
isoprene
78-79-5

isoprene

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
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
623-73-4

diazoacetic acid ethyl ester

2,5-Dimethyl-2,4-hexadiene
764-13-6

2,5-Dimethyl-2,4-hexadiene

copper(II) bis(trifluoromethanesulfonate)
34946-82-2

copper(II) bis(trifluoromethanesulfonate)

1,2-dichloro-ethane
107-06-2

1,2-dichloro-ethane

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
In nitrogen
diazoacetic acid ethyl ester
623-73-4

diazoacetic acid ethyl ester

2,2'-methylenebis[(4R)-4-phenyl-5,5-diphenyl-2-oxazoline]
220578-26-7

2,2'-methylenebis[(4R)-4-phenyl-5,5-diphenyl-2-oxazoline]

n-Butyl chloride
109-69-3

n-Butyl chloride

2,5-Dimethyl-2,4-hexadiene
764-13-6

2,5-Dimethyl-2,4-hexadiene

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
In nitrogen
(R)-(N-5-nitrosalicylidene)-2-amino-1,1-di(2-methoxyphenyl)-1-propanol
352015-01-1

(R)-(N-5-nitrosalicylidene)-2-amino-1,1-di(2-methoxyphenyl)-1-propanol

diazoacetic acid ethyl ester
623-73-4

diazoacetic acid ethyl ester

titanium(IV) isopropylate
546-68-9

titanium(IV) isopropylate

2,5-Dimethyl-2,4-hexadiene
764-13-6

2,5-Dimethyl-2,4-hexadiene

copper(II) acetate monohydrate
6046-93-1

copper(II) acetate monohydrate

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
With nitrogen; phenylhydrazine; copper In ethyl acetate
diazoacetic acid ethyl ester
623-73-4

diazoacetic acid ethyl ester

2,5-Dimethyl-2,4-hexadiene
764-13-6

2,5-Dimethyl-2,4-hexadiene

aluminum ethoxide
555-75-9

aluminum ethoxide

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
With phenylhydrazine; copper In ethyl acetate
With phenylhydrazine; copper In ethyl acetate
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
25015-63-8

4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane

C16H29BO3

C16H29BO3

Conditions
ConditionsYield
With ToMMgMe at 24.84℃;99%
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

(1R,3R)-trans-chrysanthemic acid
4638-92-0

(1R,3R)-trans-chrysanthemic acid

Conditions
ConditionsYield
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;
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

chrysanthemol
5617-92-5

chrysanthemol

Conditions
ConditionsYield
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
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

ethyl oxido-chrysanthemate
167690-92-8

ethyl oxido-chrysanthemate

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In dichloromethane93%
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
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

Conditions
ConditionsYield
With sodium hydride In mineral oil for 3h; Inert atmosphere;93%
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

chrysanthemumic acid
10453-89-1

chrysanthemumic acid

Conditions
ConditionsYield
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
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

ethyl chrysanthemumate diol
74481-30-4

ethyl chrysanthemumate diol

Conditions
ConditionsYield
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
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

ethyl 3-formyl-2,2-dimethylcyclopropanecarboxylate
66692-75-9

ethyl 3-formyl-2,2-dimethylcyclopropanecarboxylate

Conditions
ConditionsYield
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
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

2-Benzyl-3-furanylmethylacetat
39856-65-0

2-Benzyl-3-furanylmethylacetat

2,2-Dimethyl-3-(2-methyl-propenyl)-cyclopropanecarboxylic acid 2-benzyl-furan-3-ylmethyl ester
39856-62-7

2,2-Dimethyl-3-(2-methyl-propenyl)-cyclopropanecarboxylic acid 2-benzyl-furan-3-ylmethyl ester

Conditions
ConditionsYield
With sodium ethanolate In toluene for 4h; Heating;80%
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

p-nitrobenzenesulfonamide
6325-93-5

p-nitrobenzenesulfonamide

C18H24N2O6S

C18H24N2O6S

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene; 1,3-dimethyl-imidazoline-2-selone In dichloromethane Inert atmosphere; diastereoselective reaction;79%
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

C12H21NO8S

C12H21NO8S

C24H39NO10S

C24H39NO10S

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene; 1,3-dimethyl-imidazoline-2-selone In dichloromethane Inert atmosphere;72%
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

C12H21FO2

C12H21FO2

Conditions
ConditionsYield
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
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

ethyl 3,3-dimethyl-2-carboxycyclopropanecarboxylate

ethyl 3,3-dimethyl-2-carboxycyclopropanecarboxylate

Conditions
ConditionsYield
With potassium permanganate; sulfuric acid; sodium sulfite for 4h;30%
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

C12H22N4O2

C12H22N4O2

Conditions
ConditionsYield
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
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

trans-chrysanthemic acid

trans-chrysanthemic acid

cis-Chrysanthemic acid
2935-23-1

cis-Chrysanthemic acid

Conditions
ConditionsYield
With potassium hydroxide In ethanol Reflux;A n/a
B 7%
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

(E)-4-(3-Methoxy-phenyl)-but-2-en-1-ol

(E)-4-(3-Methoxy-phenyl)-but-2-en-1-ol

2,2-Dimethyl-3-(2-methyl-propenyl)-cyclopropanecarboxylic acid (E)-4-(3-methoxy-phenyl)-but-2-enyl ester

2,2-Dimethyl-3-(2-methyl-propenyl)-cyclopropanecarboxylic acid (E)-4-(3-methoxy-phenyl)-but-2-enyl ester

Conditions
ConditionsYield
With sodium ethanolate In ethanol
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

sodium tert-pentoxide
14593-46-5

sodium tert-pentoxide

tert-amyl trans-chrysanthemate
78715-54-5

tert-amyl trans-chrysanthemate

Conditions
ConditionsYield
In toluene for 0.75h; Heating;
ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate
97-41-6

ethyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate

2-(2-Methyl-1-propenyl)-4-furanylmethylacetat
78520-06-6

2-(2-Methyl-1-propenyl)-4-furanylmethylacetat

2,2-Dimethyl-3-(2-methyl-propenyl)-cyclopropanecarboxylic acid 5-(2-methyl-propenyl)-furan-3-ylmethyl ester

2,2-Dimethyl-3-(2-methyl-propenyl)-cyclopropanecarboxylic acid 5-(2-methyl-propenyl)-furan-3-ylmethyl ester

Conditions
ConditionsYield
With sodium ethanolate In toluene for 4h; Heating;39 % Turnov.
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