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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Ethyl 2-oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Ethyl2-Oxocyclopentanecarboxylate supplier in China

Cas:611-10-9

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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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

Factory Supply Ethyl2-Oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:1

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Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality Oled CAS 611-10-9 Cyclopentanecarboxylicacid, 2-oxo-, ethyl ester

Cas:611-10-9

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Ethyl 2-oxocyclopentanecarboxylate CAS 611-10-9 2-Carbethoxycyclopentanone CAS no 611-10-9 2-(Ethoxycarbonyl)cyclopentanone Cyclopentanecarboxylicacid, 2-oxo-, ethyl ester Ethyl 2-oxocyclopentanecarboxylate CAS 611-10-9 2-Carbethoxycyclopentano

Hubei DiBo chemical co., LTD

Name:Ethyl 2-oxocyclopentanecarboxylate CAS:611-10-9 Grade:For chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security withou

High quality Ethyl2-Oxocyclopentanecarboxylate supplier in China

Cas:611-10-9

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM--611-10-9--Ethyl 2-oxocyclopentanecarboxylate factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable

TIANFUCHEM--611-10-9--Ethyl 2-oxocyclopentanecarboxylate factory price

Cas:611-10-9

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name Ethyl 2-oxocyclopentanecarboxylate CAS No. 611-10-9

Ethyl 2-oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:1 Metric Ton

FOB Price: $12.0

Type:Lab/Research institutions

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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

Manufacturer supply CAS 611-10-9 with best quality

Cas:611-10-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name 2-Ethoxycarbonylcyclopentanone Appearance clear colourless to pale yellow liquid CAS NO. 611-10-9 Molecular Formula C8H12O3 Molecul

2-Ethoxycarbonylcyclopentanone CAS: 611-10-9

Cas:611-10-9

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Shijiazhuang Sdyano Fine Chemical Co., Ltd

1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing ways;

Ethyl 2-oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta

high quality 611-10-9 Ethyl 2-oxocyclopentanecarboxylate with best price

Cas:611-10-9

Min.Order:10 Gram

Negotiable

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.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

Cyclopentanecarboxylicacid, 2-oxo-, ethyl ester 611-10-9

Cas:611-10-9

Min.Order:1 Kilogram

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Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Ethyl 2-oxocyclopentanecarboxylate 99%

Cas:611-10-9

Min.Order:1 Kilogram

FOB Price: $90.0 / 95.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Ethyl 2-oxocyclopentanecarboxylate CAS:611-10-9 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

Ethyl 2-oxocyclopentanecarboxylate CAS:611-10-9

Cas:611-10-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

2-CARBETHOXYCYCLOPENTANONE

Cas:611-10-9

Min.Order:1 Kilogram

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.:611-10-9

Cas:611-10-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Mojin Biotechnology Co.,Ltd

Company information: Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big cust

Ethyl 2-Oxocyclopentanecarboxylate CAS 611-10-9

Cas:611-10-9

Min.Order:1 Kilogram

FOB Price: $7.0 / 10.0

Type:Trading Company

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Lonwin Chemical Group Limited

Ethyl 2-oxocyclopentanecarboxylate(CECP) CAS:611-10-9 Specification Product Name Ethyl 2-oxocyclopentanecarboxylate CAS No. 611-10-9 Assay ≥99% Capacity 50mt/year Min.packing

Factory Supply Ethyl 2-oxocyclopentanecarboxylate(CECP)

Cas:611-10-9

Min.Order:1 Kilogram

Negotiable

Type:Other

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Hebei Quanhe Biotechnology Co. LTD

1. 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

Ethyl 2-oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:1 Kilogram

FOB Price: $40.0 / 50.0

Type:Lab/Research institutions

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Wuhan Zenuo Biological Medicine Technology Co Ltd

Ethyl 2-oxocyclopentanecarboxylate Product Name: Ethyl 2-oxocyclopentanecarboxylate Synonyms: Ethyl 2-oxocyclopentanecarboxylate 95%;ETHYL-2-CYCLOPENTANONECARBOXYLATE;ETHYL 2-OXOCYCLOPENTANECARBOXYLATE;CYCLOPENTANONE-2-CARBOXYLIC ACID ETHYL EST

Ethyl 2-oxocyclopentanecarboxylate Manufactuered in China best quality

Cas:611-10-9

Min.Order:100 Gram

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

Ethyl2-Oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:0

Negotiable

Type:Manufacturers

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Hangzhou Keyingchem Co.,Ltd

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

Ethyl 2-oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our 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

Ethyl 2-oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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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

Ethyl 2-oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

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

High quality Ethyl2-Oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Shanghai Massive Chemical Technology Co., Ltd.

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 als

Ethyl 2-oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:colorless liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:For medicine , pesticide interm

Ethyl 2-oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou 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, in

Enke Ethyl 2-oxocyclopentanecarboxylate

Cas:611-10-9

Min.Order:1 Kilogram

FOB Price: $400.0 / 450.0

Type:Lab/Research institutions

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Zibo Dorne chemical technology co. LTD

Product 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,

Ethyl 2-oxo-1-cyclopentanecarboxylate

Cas:611-10-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Synthetic route

diethyl adipate
141-28-6

diethyl adipate

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With sodium methylate at 150℃;100%
With sodium ethanolate at 120℃; under 7.50075 Torr; for 0.75h;99%
With potassium tert-butylate In toluene for 3h; Heating;98%
oxime of ethyl cyclopentanone-2-carboxylate

oxime of ethyl cyclopentanone-2-carboxylate

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With (Bu4N)2S2O8 In 1,2-dichloro-ethane for 1.5h; Heating;94.3%
ethanol
64-17-5

ethanol

methyl 2-oxocyclopentane-1-carboxylate
10472-24-9

methyl 2-oxocyclopentane-1-carboxylate

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With toluene-4-sulfonic acid for 24h; Heating;92%
ethyl 2-(methyloxyimino)-1-cyclopentanecarboxylate

ethyl 2-(methyloxyimino)-1-cyclopentanecarboxylate

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With formaldehyd; Amberlyst 15 In water; acetone at 110℃; for 13h;90%
2-semicarbazono-cyclopentanecarboxylic acid ethyl ester
16689-52-4

2-semicarbazono-cyclopentanecarboxylic acid ethyl ester

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With (Bu4N)2S2O8 In 1,2-dichloro-ethane at 80℃; for 1h; oxidative cleavage;88%
2-benzyloxyimino-cyclopentanecarboxylic acid ethyl ester
300674-80-0

2-benzyloxyimino-cyclopentanecarboxylic acid ethyl ester

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetone Hydrolysis;85%
ethyl 1,4-dioxaspiro[4,4]nonane-6-carboxylate
23153-73-3

ethyl 1,4-dioxaspiro[4,4]nonane-6-carboxylate

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
indium(III) chloride In methanol; water for 1.41667h; Heating;84%
S-ethyl O-ethyl adipic acid diester
78647-27-5

S-ethyl O-ethyl adipic acid diester

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran at -30℃; for 3h;74%
adipinic acid monoethyl ester
626-86-8

adipinic acid monoethyl ester

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With aluminium trichloride; triethylamine In dichloromethane Dieckmann cyclization;71%
at 270 - 280℃; bei der thermischen Zersetzung;
ethyl 1-iodo-2-oxocyclopentanecarboxylate

ethyl 1-iodo-2-oxocyclopentanecarboxylate

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With water; 1-methyl-3-pentyl-1H-imidazolium tetrafluoroborate at 125℃; under 2585.74 Torr; for 0.025h; microwave irradiation;70%
ethyl 1-bromo-2-oxocyclopentanecarboxylate
42593-11-3

ethyl 1-bromo-2-oxocyclopentanecarboxylate

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With water; 1-methyl-3-pentyl-1H-imidazolium tetrafluoroborate at 125℃; under 2585.74 Torr; for 0.0333333h; microwave irradiation;70%
cyclopentanone
120-92-3

cyclopentanone

diethyl dicarbonate
1609-47-8

diethyl dicarbonate

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With potassium hydride In benzene for 0.5h; Heating;61%
diethyl adipate
141-28-6

diethyl adipate

potassium 2,4-dimethyl-1-naphthoxide
125541-06-2

potassium 2,4-dimethyl-1-naphthoxide

A

2-Hydroxy-2,7a-dimethyl-1a,7a-dihydro-2H-1-oxa-cyclopropa[b]naphthalen-7-one
125541-07-3

2-Hydroxy-2,7a-dimethyl-1a,7a-dihydro-2H-1-oxa-cyclopropa[b]naphthalen-7-one

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With 18-crown-6 ether; oxygen In tetrahydrofuran for 3h; Mechanism; Product distribution; Ambient temperature;A 60%
B 35%
diethyl adipate
141-28-6

diethyl adipate

A

2-Hydroxy-2,7a-dimethyl-1a,7a-dihydro-2H-1-oxa-cyclopropa[b]naphthalen-7-one
125541-07-3

2-Hydroxy-2,7a-dimethyl-1a,7a-dihydro-2H-1-oxa-cyclopropa[b]naphthalen-7-one

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With 18-crown-6 ether; potassium 2,4-dimethyl-1-naphthoxide; oxygen In tetrahydrofuran for 3h; Ambient temperature;A 60%
B 35%
potassium 2,4-dimethyl-1-naphthoxide
125541-06-2

potassium 2,4-dimethyl-1-naphthoxide

A

2-Hydroxy-2,7a-dimethyl-1a,7a-dihydro-2H-1-oxa-cyclopropa[b]naphthalen-7-one
125541-07-3

2-Hydroxy-2,7a-dimethyl-1a,7a-dihydro-2H-1-oxa-cyclopropa[b]naphthalen-7-one

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With 18-crown-6 ether; diethyl adipate; oxygen In tetrahydrofuran for 3h; Ambient temperature;A 60%
B 35%
diethyl adipate
141-28-6

diethyl adipate

potassium 2,4-dimethyl-1-naphthoxide
125541-06-2

potassium 2,4-dimethyl-1-naphthoxide

A

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

(1aR,2R,7aR)-2-Hydroxy-2,7a-dimethyl-1a,7a-dihydro-2H-1-oxa-cyclopropa[b]naphthalen-7-one
125541-07-3

(1aR,2R,7aR)-2-Hydroxy-2,7a-dimethyl-1a,7a-dihydro-2H-1-oxa-cyclopropa[b]naphthalen-7-one

Conditions
ConditionsYield
With 18-crown-6 ether; oxygen In tetrahydrofuran for 0.5h; Mechanism;A 31%
B 51%
ethyl 2-diazo-2-(1-hydroxycyclobutyl)acetate
39910-34-4

ethyl 2-diazo-2-(1-hydroxycyclobutyl)acetate

A

ethyl 2-phenyl-1-cyclopentene-1-carboxylate
27326-83-6

ethyl 2-phenyl-1-cyclopentene-1-carboxylate

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

C

ethyl 2-fluorocyclopent-1-ene carboxylate

ethyl 2-fluorocyclopent-1-ene carboxylate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate; benzene at 5℃; for 2.5h;A 51%
B 32%
C 5%
ethyl 2-diazo-2-(1-hydroxycyclobutyl)acetate
39910-34-4

ethyl 2-diazo-2-(1-hydroxycyclobutyl)acetate

benzene
71-43-2

benzene

A

ethyl 2-phenyl-1-cyclopentene-1-carboxylate
27326-83-6

ethyl 2-phenyl-1-cyclopentene-1-carboxylate

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

C

ethyl 2-fluorocyclopent-1-ene carboxylate

ethyl 2-fluorocyclopent-1-ene carboxylate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate at 5℃; for 2.5h;A 51%
B 32%
C 5%
3-cyano-1H-indole
5457-28-3

3-cyano-1H-indole

2-trifluoromethanesulfonyloxy-cyclopent-1-enecarboxylic acid ethyl ester
122539-74-6

2-trifluoromethanesulfonyloxy-cyclopent-1-enecarboxylic acid ethyl ester

A

2-(3-cyanoindol-1-yl)cyclopent-1-enecarboxylic acid ethyl ester

2-(3-cyanoindol-1-yl)cyclopent-1-enecarboxylic acid ethyl ester

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
Stage #1: 3-cyano-1H-indole With potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0); XPhos In 1,4-dioxane; toluene at 60℃; for 0.5h;
Stage #2: 2-trifluoromethanesulfonyloxy-cyclopent-1-enecarboxylic acid ethyl ester In 1,4-dioxane; toluene at 60 - 95℃; for 7h;
A 18%
B 50%
2-trifluoromethanesulfonyloxy-cyclopent-1-enecarboxylic acid ethyl ester
122539-74-6

2-trifluoromethanesulfonyloxy-cyclopent-1-enecarboxylic acid ethyl ester

benzamide
55-21-0

benzamide

A

2-Benzamido-cyclopent-1-en-carbonsaeure-ethylester
18227-13-9

2-Benzamido-cyclopent-1-en-carbonsaeure-ethylester

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With potassium tert-butylate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; tris(dibenzylideneacetone)dipalladium (0) In tetrahydrofuran; 1,4-dioxane at 80℃;A 47%
B n/a
ethanol
64-17-5

ethanol

1,1,4-butanetricarboxylic acid triethyl ester
53007-35-5

1,1,4-butanetricarboxylic acid triethyl ester

sodium ethanolate
141-52-6

sodium ethanolate

A

diethyl cyclopentanone-2,5-dicarboxylate
51657-17-1

diethyl cyclopentanone-2,5-dicarboxylate

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

1,1,4-butanetricarboxylic acid triethyl ester
53007-35-5

1,1,4-butanetricarboxylic acid triethyl ester

A

diethyl cyclopentanone-2,5-dicarboxylate
51657-17-1

diethyl cyclopentanone-2,5-dicarboxylate

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With ethanol; sodium ethanolate
butane-1,1,4,4-tetracarboxylic acid tetraethyl ester
4450-43-5

butane-1,1,4,4-tetracarboxylic acid tetraethyl ester

sodium ethanolate
141-52-6

sodium ethanolate

A

diethyl cyclopentanone-2,5-dicarboxylate
51657-17-1

diethyl cyclopentanone-2,5-dicarboxylate

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Adipic acid dichloride
111-50-2

Adipic acid dichloride

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

Conditions
ConditionsYield
With triethylamine; benzene Behandeln der Reaktionsloesung mit Chlorwasserstoff enthaltendem Aethanol;
ethyl 2-(N-phenylamino)-1-cyclopentene-1-carboxylate
52909-66-7

ethyl 2-(N-phenylamino)-1-cyclopentene-1-carboxylate

A

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

B

aniline
62-53-3

aniline

Conditions
ConditionsYield
With water at 25℃; Rate constant; Mechanism; presence and absence of various enzyme systems; pH range: 1-9;
ethyl 5-(N-methoxy-N-methylcarbamoyl)pentanoate
163559-10-2

ethyl 5-(N-methoxy-N-methylcarbamoyl)pentanoate

A

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

B

2-Oxo-cyclopentanecarboxylic acid methoxy-methyl-amide

2-Oxo-cyclopentanecarboxylic acid methoxy-methyl-amide

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 2h; Yield given. Yields of byproduct given;
Adipic acid dichloride
111-50-2

Adipic acid dichloride

triethylamine
121-44-8

triethylamine

benzene
71-43-2

benzene

A

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

B

5-oxo-nonane-dicarboxylic acid-(1.9)-diethyl ester

5-oxo-nonane-dicarboxylic acid-(1.9)-diethyl ester

Conditions
ConditionsYield
beim ein unbestaendiges Produkt, das bei der Umsetzung mit Aethanol und wenig HCl;
ethanol
64-17-5

ethanol

diethyl adipate
141-28-6

diethyl adipate

sodium

sodium

A

1,6-hexanediol
629-11-8

1,6-hexanediol

B

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

aniline
62-53-3

aniline

2-(N-phenylcarbamoyl)cyclopentanone
4874-65-1

2-(N-phenylcarbamoyl)cyclopentanone

Conditions
ConditionsYield
In neat (no solvent) at 180℃; for 0.75h; Microwave irradiation; Green chemistry;100%
In 5,5-dimethyl-1,3-cyclohexadiene at 160℃; Inert atmosphere;90%
With dmap In toluene for 9.5h; Reflux; Inert atmosphere;39%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

ethyl (1R,2S)-2-hydroxycyclopentanecarboxylate
61586-79-6

ethyl (1R,2S)-2-hydroxycyclopentanecarboxylate

Conditions
ConditionsYield
In ethanol at 25℃; prepared by Geotrichum candidum;100%
With Mucor racemosus yeast100%
With nicotinamide adenine dinucleotide In aq. buffer at 30℃; pH=6.5; Reagent/catalyst; Inert atmosphere; Enzymatic reaction; enantioselective reaction;95%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

2-(3,4-dimethoxyphenyl)-ethylamine
120-20-7

2-(3,4-dimethoxyphenyl)-ethylamine

2-[2-(3,4-Dimethoxy-phenyl)-ethylamino]-cyclopent-1-enecarboxylic acid ethyl ester
130655-36-6

2-[2-(3,4-Dimethoxy-phenyl)-ethylamino]-cyclopent-1-enecarboxylic acid ethyl ester

Conditions
ConditionsYield
In ethanol at 100℃; for 1.33333h;100%
In ethanol at 100℃; for 2h;
In chloroform at 70℃; Molecular sieve;
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

methyl vinyl ketone
78-94-4

methyl vinyl ketone

2-ethoxycarbonyl-2-(3-oxobutyl)cyclopentanone
58623-79-3, 69586-18-1, 74627-01-3, 61771-81-1

2-ethoxycarbonyl-2-(3-oxobutyl)cyclopentanone

Conditions
ConditionsYield
europium-containing poly(2,4-OH2-C6H4COO--co-HCHO)-gel In dichloromethane at 20℃; for 4.5h; Michael addition;100%
With iron(III) perchlorate at 23℃; for 12h; Product distribution; Further Variations:; Reagents;99%
With Fe3+-exchanged fluorotetrasilicic mica at 20℃; for 20h; Michael reaction;99%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

1-fluoro-2-oxocyclopentane-1-carboxylic acid ethyl ester
84131-44-2

1-fluoro-2-oxocyclopentane-1-carboxylic acid ethyl ester

Conditions
ConditionsYield
With N-fluorobis<(trifluoromethyl)sulfonyl>imide In dichloromethane at 22℃; for 4h;100%
With N-fluorobis<(trifluoromethyl)sulfonyl>imide In dichloromethane at 22℃; for 4h;100%
With Genapol LRO; Selectfluor In water at 60℃;87%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

ethyl 1-hydroxy-2-oxo-1-cyclopentanecarboxylate
82415-38-1

ethyl 1-hydroxy-2-oxo-1-cyclopentanecarboxylate

Conditions
ConditionsYield
With 3,3-dimethyldioxirane In acetone at 20℃; for 72h;100%
With cerium(III) chloride; oxygen In isopropyl alcohol at 23℃; for 16h;99%
With cerium(III) chloride; oxygen In isopropyl alcohol at 23℃; for 16h;99%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

1-iodo-propane
107-08-4

1-iodo-propane

2-oxo-1-propyl-cyclopentanecarboxylic acid ethyl ester
56197-54-7

2-oxo-1-propyl-cyclopentanecarboxylic acid ethyl ester

Conditions
ConditionsYield
With sodium hydride In toluene 1.) room temp., 15 min, 2.) reflux, 48 h;100%
methyl 2,3-dichloropropionate
3674-09-7, 132854-28-5

methyl 2,3-dichloropropionate

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

methyl 2-chloro-3-[1-(ethoxycarbonyl)-2-oxocyclopentyl]propanoate

methyl 2-chloro-3-[1-(ethoxycarbonyl)-2-oxocyclopentyl]propanoate

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 0℃;100%
bromoundecane
693-67-4

bromoundecane

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

ethyl 2-oxo-1-(n-undecyl)cyclopentanecarboxylate
553668-26-1

ethyl 2-oxo-1-(n-undecyl)cyclopentanecarboxylate

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In acetone for 20h; Heating;100%
With potassium carbonate; potassium iodide In acetone for 20h; Heating;93%
acetic acid 1-acetoxy-2-benzenesulfonyl-allyl ester
848778-96-1

acetic acid 1-acetoxy-2-benzenesulfonyl-allyl ester

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

1-((E)-3-Acetoxy-2-benzenesulfonyl-allyl)-2-oxo-cyclopentanecarboxylic acid ethyl ester

1-((E)-3-Acetoxy-2-benzenesulfonyl-allyl)-2-oxo-cyclopentanecarboxylic acid ethyl ester

Conditions
ConditionsYield
Stage #1: 2-ethoxycarbonyl-1-cyclopentanone With sodium hydride In tetrahydrofuran for 0.333333h;
Stage #2: acetic acid 1-acetoxy-2-benzenesulfonyl-allyl ester In tetrahydrofuran for 1h; Michael addition;
100%
methanol
67-56-1

methanol

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

1-ethyl 6-methyl 2-methylenehexanedioate
209852-02-8

1-ethyl 6-methyl 2-methylenehexanedioate

Conditions
ConditionsYield
Stage #1: methanol With dihydrogen peroxide; benzaldehyde; iron(III)-acetylacetonate at 20℃; for 0.666667h;
Stage #2: 2-ethoxycarbonyl-1-cyclopentanone With diethyl amine hydrochloride
100%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

di-tert-butyl (E)-azodicarboxylate
870-50-8

di-tert-butyl (E)-azodicarboxylate

(R)-N,N'-bis(tert-butoxycarbonyl)-1-hydrazino-2-oxocyclopentanecarboxylic acid ethyl ester
921040-47-3

(R)-N,N'-bis(tert-butoxycarbonyl)-1-hydrazino-2-oxocyclopentanecarboxylic acid ethyl ester

Conditions
ConditionsYield
With axially chiral guanidine derivative In tetrahydrofuran at -60℃; for 0.0833333h;100%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

3-(2-nitroethenyl)-1H-indole
3156-51-2

3-(2-nitroethenyl)-1H-indole

ethyl-1-[1-(1H-indol-3-yl)-2-nitro-ethyl]-2-oxocyclopentanecarboxylate

ethyl-1-[1-(1H-indol-3-yl)-2-nitro-ethyl]-2-oxocyclopentanecarboxylate

Conditions
ConditionsYield
With sodium acetate at 20℃; for 2h; Michael type addition; Sonication; Neat (no solvent); optical yield given as %de;100%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

4-fluoroaniline
371-40-4

4-fluoroaniline

C14H18FNO2
1416585-27-7

C14H18FNO2

Conditions
ConditionsYield
With acetic acid; zinc In water at 80℃; for 2h; Inert atmosphere;100%
Stage #1: 2-ethoxycarbonyl-1-cyclopentanone; 4-fluoroaniline With acetic acid; zinc In water at 80℃; for 2h;
Stage #2: With ammonium hydroxide pH=10;
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

methyl iodide
74-88-4

methyl iodide

ethyl-1-methyl-2-oxocyclopentane-1-carboxylate
172825-15-9

ethyl-1-methyl-2-oxocyclopentane-1-carboxylate

Conditions
ConditionsYield
Stage #1: 2-ethoxycarbonyl-1-cyclopentanone; methyl iodide With potassium carbonate In acetone at 60℃; for 18h; Inert atmosphere; Schlenk technique;
Stage #2: With triethylamine at 20℃; Inert atmosphere; Schlenk technique;
100%
morpholine
110-91-8

morpholine

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

2-(morpholine-4-carbonyl) cyclopentanone
65520-21-0

2-(morpholine-4-carbonyl) cyclopentanone

Conditions
ConditionsYield
In neat (no solvent) at 180℃; for 0.5h; Microwave irradiation; Green chemistry;100%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

4-methoxy-aniline
104-94-9

4-methoxy-aniline

2-(4-methoxyphenylamino)-cyclopent-1-enecarboxylic acid ethyl ester
94091-87-9

2-(4-methoxyphenylamino)-cyclopent-1-enecarboxylic acid ethyl ester

Conditions
ConditionsYield
ammonium cerium(IV) nitrate In ethanol at 20℃; for 1.5h;99%
indium(III) bromide at 20℃; for 1.66667h;94%
zirconium(IV) chloride at 20℃; for 1.33333h;93%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

allyl bromide
106-95-6

allyl bromide

1-allyl-2-oxo-cyclopentanecarboxylic acid ethyl ester
41975-67-1

1-allyl-2-oxo-cyclopentanecarboxylic acid ethyl ester

Conditions
ConditionsYield
With potassium carbonate In acetone for 20h; Reflux;99%
Stage #1: 2-ethoxycarbonyl-1-cyclopentanone With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 1h;
Stage #2: allyl bromide In tetrahydrofuran; mineral oil at 20℃;
98%
With potassium carbonate In acetone at 60℃; for 20h;98%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

aniline
62-53-3

aniline

ethyl 2-(N-phenylamino)-1-cyclopentene-1-carboxylate
52909-66-7

ethyl 2-(N-phenylamino)-1-cyclopentene-1-carboxylate

Conditions
ConditionsYield
With silica gel at 20℃; for 24h;99%
With zinc(II) perchlorate; magnesium sulfate In dichloromethane at 20℃; for 5h;99%
With zinc diacetate; magnesium sulfate In dichloromethane for 48h; Heating;99%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

ethyl acrylate
140-88-5

ethyl acrylate

ethyl 1-(2-ethoxycarbonylethyl)-2-oxocyclopentanecarboxylate
57026-64-9

ethyl 1-(2-ethoxycarbonylethyl)-2-oxocyclopentanecarboxylate

Conditions
ConditionsYield
With trifluoroacetic acid at 20℃; for 5h; Addition; Michael addition;99%
With 1,8-diazabicyclo[5.4.0]undec-7-ene In ethanol at 20℃; for 0.0833333h; Michael addition;99%
With [1-(methyl)-3-N-(benzylacetamido)imidazol-2-ylidene]2Ni In acetonitrile at 20℃; for 16h; Michael addition;99%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

ethyl 2-amino-1-cyclopentene-1-carboxylate
7149-18-0

ethyl 2-amino-1-cyclopentene-1-carboxylate

Conditions
ConditionsYield
With ammonia; silica gel at 20℃; for 0.166667h;99%
With ammonium acetate; tetraethoxy orthosilicate In ethanol Heating;90%
With tetraethoxy orthosilicate; ammonium acetate In ethanol for 6h; Reflux; Inert atmosphere;82%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

benzylamine
100-46-9

benzylamine

ethyl 2-(benzylamino)cyclopent-1-ene-1-carboxylate
10412-92-7

ethyl 2-(benzylamino)cyclopent-1-ene-1-carboxylate

Conditions
ConditionsYield
With silica gel at 20℃; for 0.166667h;99%
at 55℃; under 22.5023 Torr; for 2h;96%
With zinc diacetate; magnesium sulfate In dichloromethane at 20℃; for 16h;90%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

ethyl 1-bromo-2-oxocyclopentanecarboxylate
42593-11-3

ethyl 1-bromo-2-oxocyclopentanecarboxylate

Conditions
ConditionsYield
Stage #1: 2-ethoxycarbonyl-1-cyclopentanone With copper(II) bis(trifluoromethanesulfonate); (S)-N-[2-(2,4,6-triisopropylbenzylamino)phenyl]-S-methyl-S-phenylsulfoximine In diethyl ether at 20℃; for 0.0833333h; Inert atmosphere;
Stage #2: With N-Bromosuccinimide In diethyl ether at -78 - 20℃; for 16h; Inert atmosphere;
99%
With N-Bromosuccinimide; toluene-4-sulfonic acid In dichloromethane at 20℃; for 0.333333h;97%
With ammonium bromide; dihydrogen peroxide; vanadia In dichloromethane; water at 0 - 5℃; for 3.5h;87%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

GlyOEt*HCl
459-73-4

GlyOEt*HCl

2-Ethoxycarbonylmethylamino-1-cyclopentencarbonsaeure-ethylester
74477-56-8

2-Ethoxycarbonylmethylamino-1-cyclopentencarbonsaeure-ethylester

Conditions
ConditionsYield
With toluene-4-sulfonic acid at 60℃; for 0.0166667h;99%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

(1R,2S,3R)-3-[N-Phenylsulfonyl-N-(3,5-dimethylphenyl)amino]bornan-2-ol
87420-26-6

(1R,2S,3R)-3-[N-Phenylsulfonyl-N-(3,5-dimethylphenyl)amino]bornan-2-ol

(1R,2S,3R,4S)-<3--2-bornyl>-2-oxo-cyclopentane-carboxylate
448961-10-2

(1R,2S,3R,4S)-<3--2-bornyl>-2-oxo-cyclopentane-carboxylate

Conditions
ConditionsYield
With dmap In toluene for 48h; Heating;99%
With dmap In toluene for 48h; Heating;99%
4-penten-3-one
1629-58-9

4-penten-3-one

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

ethyl 2-oxo-1-(3-oxopentyl)cyclopentane-1-carboxylate

ethyl 2-oxo-1-(3-oxopentyl)cyclopentane-1-carboxylate

Conditions
ConditionsYield
With Fe-mica; moisture at 20℃; for 20h; Michael reaction;99%
With Fe3+-exchanged fluorotetrasilicic mica at 20℃; for 20h; Michael reaction;99%
With silica gel In neat (no solvent) at 0 - 70℃; for 24h; Michael Addition;99%
cyclopent-2-enone
930-30-3

cyclopent-2-enone

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

ethyl 2-oxo-(3-oxocyclopentyl)cyclopentanecarboxylate

ethyl 2-oxo-(3-oxocyclopentyl)cyclopentanecarboxylate

Conditions
ConditionsYield
europium-containing poly(2,4-OH2-C6H4COO--co-HCHO)-gel In tetrachloromethane for 10h; Michael addition; Heating;99%
silica gel; ytterbium(III) triflate for 144h; Ambient temperature;87%
With trifluoroacetic acid In acetonitrile at 20℃; for 60h; Addition; Michael addition;72%
2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

acrylic acid methyl ester
292638-85-8

acrylic acid methyl ester

1-(ethoxycarbonyl)-2-oxocyclopentanepropanoic acid methyl ester
177664-80-1

1-(ethoxycarbonyl)-2-oxocyclopentanepropanoic acid methyl ester

Conditions
ConditionsYield
With [(CH2)2N[(CH2)3N[(CH2)3NHC(O)]2]2]2-azidophosphine dendrimer In acetonitrile at 20℃; for 25h; Michael addition;99%
With [1-(i-propyl)-3-N-(benzylacetamido)imidazol-2-ylidene]2Ni In acetonitrile at 20℃; for 16h; Michael addition;96%
With 1,8-diazabicyclo[5.4.0]undec-7-ene In ethanol at 20℃; for 0.166667h; Michael addition;94%
Allyl acetate
591-87-7

Allyl acetate

2-ethoxycarbonyl-1-cyclopentanone
611-10-9

2-ethoxycarbonyl-1-cyclopentanone

1-allyl-2-oxo-cyclopentanecarboxylic acid ethyl ester
41975-67-1

1-allyl-2-oxo-cyclopentanecarboxylic acid ethyl ester

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); N,N,N',N'-tetramethylguanidine In toluene at 20℃; for 24h; allylation;99%
With tetrakis(triphenylphosphine) palladium(0); 18-crown-6 ether; carbon dioxide; potassium carbonate at 75℃; under 129209 Torr; for 18h; Tsuji-Trost Allylation; Supercritical conditions; Autoclave;64%
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