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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

2-Ethyl-1,3-cyclopentanedione Manufacturer/High quality/Best price/In stock

Cas:823-36-9

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 Ethylcycle-D supplier in China

Cas:823-36-9

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Manufacturer supply 2-Ethyl-1,3-cyclopentanedione CAS 823-36-9 with attractive price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermedi

Manufacturer supply 2-Ethyl-1,3-cyclopentanedione CAS 823-36-9 with attractive price

Cas:823-36-9

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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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 2-ethylcyclopentane-1,3-dione

Cas:823-36-9

Min.Order:1

Negotiable

Type:Other

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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

2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name:2-Ethyl-1,3-cyclopentanedione The alias:2-Ehtyl-1,3-Cyclopentanedione;2-ETHYLCYCLOPENTAN-1,3-DIONE;2-Ethylcyclopentane-1,3-dione; CAS NO:823-36-9 EINECS NO:212-512-3 Molecular formula:C7H10O2 Molecular weight:126.1531 Product Quality

2-Ethyl-1,3-cyclopentanedione/CAS:823-36-9/High quality

Cas:823-36-9

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM--823-36-9--High purity 2-Ethyl-1,3-cyclopentanedione 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

TIANFUCHEM--823-36-9--High purity 2-Ethyl-1,3-cyclopentanedione factory price

Cas:823-36-9

Min.Order:1 Metric Ton

FOB Price: $2000.0

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

New production CAS 823-36-9 with best quality

Cas:823-36-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

2-Ethyl-1,3-cyclopentanedione 823-36-9

Cas:823-36-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2-Ethyl-1,3-cyclopentanedione CAS:823-36-9 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 organ

2-Ethyl-1,3-cyclopentanedione CAS:823-36-9

Cas:823-36-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

2-Ethyl-1,3-Cyclopentanedione

Cas:823-36-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

2-ETHYL-1,3-CYCLOPENTANEDIONE

Cas:823-36-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

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 Ethylcycle-D

Cas:823-36-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 2-Ethyl-1,3-Cyclopentanedione CAS No.:823-36-9 Molecule Formula:C7H10O2 Molecule Weight:126.15 Purity: 98% Package: 25kg/drum Description:White to light yellow crystalline powder Manufacture Standards:Enterprise Standard

High Quality 2-Ethyl-1,3-Cyclopentanedione in stock

Cas:823-36-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Best Offer2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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,

2-Ethylcyclopentane-1,3-dione

Cas:823-36-9

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in

SAGECHEM/ 2-Ethyl-1,3-cyclopentanedione /Manufacturer in China

Cas:823-36-9

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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

2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

2-ethylcyclopentane-1,3-dione

Cas:823-36-9

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

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 Ethylcycle-D 823-36-9

Cas:823-36-9

Min.Order:100 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

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

Ethylcycle-D

Cas:823-36-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Sinotech Import&Export Corporation

Chemical name: 2-ethyl-1,3-cyclopentanedione English name: 2-ethyl-1,3-cyclopentanedione CAS No: 823-36-9 Molecular formula: C7H10O2 Structural formula: Molecular weight:

2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

2-Ethyl-1,3-cyclopentanedione

Cas:823-36-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

2-acetylcyclopentane-1,3-dione
3859-39-0

2-acetylcyclopentane-1,3-dione

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

Conditions
ConditionsYield
With triethylsilane; boron trifluoride diethyl etherate In trifluoroacetic acid Ambient temperature;96%
With hydrogenchloride; sodium cyanoborohydride In tetrahydrofuran75%
With hydrogenchloride; sodium cyanoborohydride In tetrahydrofuran at 20℃;75%
1,3-cyclopentadione
3859-41-4

1,3-cyclopentadione

acetaldehyde
75-07-0

acetaldehyde

A

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

B

C13H16O4
1093646-55-9

C13H16O4

Conditions
ConditionsYield
With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; L-proline In dichloromethane at 25℃; for 0.25h;A 90%
B 10%
1,3-cyclopentadione
3859-41-4

1,3-cyclopentadione

acetaldehyde
75-07-0

acetaldehyde

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

Conditions
ConditionsYield
With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; L-proline In dichloromethane at 20℃; for 1h; Inert atmosphere;75%
With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; L-proline In dichloromethane at 20℃; for 48h;
3-ethyl-cyclopentane-1,2,4-trione
4505-53-7

3-ethyl-cyclopentane-1,2,4-trione

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

Conditions
ConditionsYield
(i) semicarbazide*HCl, NaOAc, aq. EtOH, (ii) NaOH, HOCH2CH2OH; Multistep reaction;
2-(1-Ethoxy-propyl)-2-trimethylsilanyloxy-cyclobutanone
125113-33-9

2-(1-Ethoxy-propyl)-2-trimethylsilanyloxy-cyclobutanone

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

Conditions
ConditionsYield
With Nafion-H; trifluoroacetic acid at 85℃; for 10h; Yield given;
2-(Diphenylmethyl)-2-ethyl-1,3-cyclopentandion

2-(Diphenylmethyl)-2-ethyl-1,3-cyclopentandion

A

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

B

Diphenylmethane
101-81-5

Diphenylmethane

Conditions
ConditionsYield
With 9,10-dihydroanthracene In 1,3,5-trimethyl-benzene at 210℃; Kinetics; Rate constant; different temperatures; ΔG(excit.)300, ΔH(excit.), ΔS(excit.);A n/a
B 88 % Chromat.
1,2-bis(trimethylsiloxy)cyclobutene
17082-61-0

1,2-bis(trimethylsiloxy)cyclobutene

dimethoxypropane
4744-10-9

dimethoxypropane

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

Conditions
ConditionsYield
Stage #1: 1,2-bis(trimethylsiloxy)cyclobutene; dimethoxypropane With boron trifluoride diethyl etherate In dichloromethane at -78 - 20℃; for 4h;
Stage #2: With trifluoroacetic acid for 24h; Heating; Further stages.;
(3-ethyl-2,4,5-trioxo-cyclopentyl)-glyoxylic acid ethyl ester
4933-67-9

(3-ethyl-2,4,5-trioxo-cyclopentyl)-glyoxylic acid ethyl ester

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aq. HCl / Heating
2: (i) semicarbazide*HCl, NaOAc, aq. EtOH, (ii) NaOH, HOCH2CH2OH
View Scheme
2-Pentanone
107-87-9

2-Pentanone

PCl3Br2

PCl3Br2

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Na / ethanol
2: aq. HCl / Heating
3: (i) semicarbazide*HCl, NaOAc, aq. EtOH, (ii) NaOH, HOCH2CH2OH
View Scheme
ethyl 4-oxoheptanoate
14369-94-9

ethyl 4-oxoheptanoate

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

Conditions
ConditionsYield
With sodium methylate In methanol; 5,5-dimethyl-1,3-cyclohexadiene; water; dimethyl sulfoxide
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

1,1-dimethylhydrazine
57-14-7

1,1-dimethylhydrazine

2-ethyl-1,3-cyclopentanedione-dimethylhydrazone
124948-39-6

2-ethyl-1,3-cyclopentanedione-dimethylhydrazone

Conditions
ConditionsYield
for 4h; Heating;99%
With toluene-4-sulfonic acid In benzene Heating;98%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

2-ethyl-3-iodocyclopent-2-en-1-one
932735-55-2

2-ethyl-3-iodocyclopent-2-en-1-one

Conditions
ConditionsYield
With iodine; triethylamine; triphenylphosphine In acetonitrile for 8h; Reflux;93%
With iodine; triethylamine; triphenylphosphine In acetonitrile Heating;77%
C11H7F3O3S
1013936-27-0

C11H7F3O3S

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

C17H16O2
1013936-43-0

C17H16O2

Conditions
ConditionsYield
[Cp*RuCl(ν2-SMe)]2 In 1,2-dichloro-ethane at 20℃; for 0.5h;93%
pyrrolidine
123-75-1

pyrrolidine

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

2-Ethyl-3-pyrrolidin-1-yl-cyclopent-2-enone
134622-73-4

2-Ethyl-3-pyrrolidin-1-yl-cyclopent-2-enone

Conditions
ConditionsYield
With acetic acid; propionic acid In toluene for 6h; Heating;92%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

allyl alcohol
107-18-6

allyl alcohol

2-ethyl-2-(prop-2-enyl)cyclopentane-1,3-dione
59949-74-5

2-ethyl-2-(prop-2-enyl)cyclopentane-1,3-dione

Conditions
ConditionsYield
With Ru(Cp*)(η3-C3H5)(p-CH3C6H5SO3)2 In dichloromethane; acetonitrile at 50℃; for 3h; regioselective reaction;92%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

isobutylamine
78-81-9

isobutylamine

2-Ethyl-3-isobutylamino-cyclopent-2-enone
134622-66-5

2-Ethyl-3-isobutylamino-cyclopent-2-enone

Conditions
ConditionsYield
With acetic acid; propionic acid In toluene for 6h; Heating;90%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

S-difluoromethyl-S-phenyl-2,4,6-trimethoxyphenylsulfonium tetrafluoroborate

S-difluoromethyl-S-phenyl-2,4,6-trimethoxyphenylsulfonium tetrafluoroborate

3-(difluoromethoxy)-2-ethylcyclopent-2-en-1-one
1422736-27-3

3-(difluoromethoxy)-2-ethylcyclopent-2-en-1-one

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 0℃; for 0.333333h;89%
1-aminodecane
2016-57-1

1-aminodecane

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

3-Decylamino-2-ethyl-cyclopent-2-enone
134622-69-8

3-Decylamino-2-ethyl-cyclopent-2-enone

Conditions
ConditionsYield
With acetic acid; propionic acid In toluene for 6h; Heating;88%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

acrolein
107-02-8

acrolein

3-(1-ethyl-2,5-dioxocyclopentyl)propanal
1416969-76-0

3-(1-ethyl-2,5-dioxocyclopentyl)propanal

Conditions
ConditionsYield
In water at 20℃; for 18h; Inert atmosphere;87%
In water Inert atmosphere;
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

ethyl 7-(3-methoxyphenyl)-4-oxo(E)-hept-2-enoate
145472-96-4

ethyl 7-(3-methoxyphenyl)-4-oxo(E)-hept-2-enoate

ethyl 2-(1-ethyl-2,5-dioxocyclopentyl)-7-(3-methoxyphenyl)-3-oxoheptanoate
145472-97-5

ethyl 2-(1-ethyl-2,5-dioxocyclopentyl)-7-(3-methoxyphenyl)-3-oxoheptanoate

Conditions
ConditionsYield
With triethylamine In ethyl acetate for 24h; Heating;85%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

C14H19FN2OS*C2H4O2

C14H19FN2OS*C2H4O2

2-fluoro-3-methoxy-18-methyl-8,14-secoestra-1,3,5(10),9(11)-tetraene-14,17-dione

2-fluoro-3-methoxy-18-methyl-8,14-secoestra-1,3,5(10),9(11)-tetraene-14,17-dione

Conditions
ConditionsYield
In ethanol; water for 168h;85%
piperidine
110-89-4

piperidine

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

2-Ethyl-3-piperidin-1-yl-cyclopent-2-enone
134622-74-5

2-Ethyl-3-piperidin-1-yl-cyclopent-2-enone

Conditions
ConditionsYield
With acetic acid; propionic acid In toluene for 6h; Heating;84%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

C15H15F2S(1+)*BF4(1-)

C15H15F2S(1+)*BF4(1-)

3-(difluoromethoxy)-2-ethylcyclopent-2-en-1-one
1422736-27-3

3-(difluoromethoxy)-2-ethylcyclopent-2-en-1-one

Conditions
ConditionsYield
With potassium carbonate In water at 20℃; for 2h;84%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

ethyl,3-oxo-5-tetrahydropyranoxy-hexyl sulfoxide
101387-21-7

ethyl,3-oxo-5-tetrahydropyranoxy-hexyl sulfoxide

2-ethyl-2-(3'-oxo-5'-tetrahydropyranoxy-)-hexyl-1,3-cyclopentanedione
101387-22-8

2-ethyl-2-(3'-oxo-5'-tetrahydropyranoxy-)-hexyl-1,3-cyclopentanedione

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran for 24h; Heating;83%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

S-bromodifluoromethyl-S-phenyl-2,3,4,5-tetramethylphenylsulfonium triflate
1395062-13-1

S-bromodifluoromethyl-S-phenyl-2,3,4,5-tetramethylphenylsulfonium triflate

3-(difluoromethoxy)-2-ethylcyclopent-2-en-1-one
1422736-27-3

3-(difluoromethoxy)-2-ethylcyclopent-2-en-1-one

Conditions
ConditionsYield
Stage #1: 2-ethylcyclopentane-1,3-dione With 1-ethyl-2,2,4,4,4-pentakis(dimethylamino)-2λ5,4λ5-catenadi(phosphazene) In dichloromethane at 0℃; for 0.5h; Inert atmosphere;
Stage #2: S-bromodifluoromethyl-S-phenyl-2,3,4,5-tetramethylphenylsulfonium triflate In dichloromethane at 0℃; for 1h; Inert atmosphere; regioselective reaction;
82%
ethyl 2-chloro-2,2-difluoroacetate
383-62-0

ethyl 2-chloro-2,2-difluoroacetate

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

3-(difluoromethoxy)-2-ethylcyclopent-2-en-1-one
1422736-27-3

3-(difluoromethoxy)-2-ethylcyclopent-2-en-1-one

Conditions
ConditionsYield
With sodium hydroxide In N,N-dimethyl-formamide at 60℃; for 7h; Sealed tube; Inert atmosphere;82%
1-hexene-3-one
1629-60-3

1-hexene-3-one

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

2-Ethyl-2-(3-oxohexyl)cyclopentane-1,3-dione
77814-26-7

2-Ethyl-2-(3-oxohexyl)cyclopentane-1,3-dione

Conditions
ConditionsYield
With potassium hydroxide In methanol for 6h; Heating;77%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

dimethyl amine
124-40-3

dimethyl amine

3-Dimethylamino-2-ethyl-cyclopent-2-enone
134622-72-3

3-Dimethylamino-2-ethyl-cyclopent-2-enone

Conditions
ConditionsYield
With acetic acid; propionic acid In toluene for 6h; Heating;77%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

3-(2,4-Dimethoxy-phenyl)-5-methoxy-pent-1-en-3-ol
55985-67-6

3-(2,4-Dimethoxy-phenyl)-5-methoxy-pent-1-en-3-ol

2-ethyl-2-<5-methoxy-3-(2,4-dimethoxyphenyl)pent-2-enyl>cyclopentane-1,3-dione
114506-69-3

2-ethyl-2-<5-methoxy-3-(2,4-dimethoxyphenyl)pent-2-enyl>cyclopentane-1,3-dione

Conditions
ConditionsYield
With N-benzyl-trimethylammonium hydroxide In xylene Heating;76%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

3-oxo-5-phenylthio-amyl mesylate
101750-87-2

3-oxo-5-phenylthio-amyl mesylate

2-ethyl-2-(3'-oxo-5'-phenylthio-amyl)-cyclopentane-1,3-dione
101750-88-3

2-ethyl-2-(3'-oxo-5'-phenylthio-amyl)-cyclopentane-1,3-dione

Conditions
ConditionsYield
With triethylamine; hydroquinone In tetrahydrofuran for 14h; Heating;75%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

allyl bromide
106-95-6

allyl bromide

A

3-Allyloxy-2-ethyl-cyclopentanone

3-Allyloxy-2-ethyl-cyclopentanone

B

2-ethyl-2-(prop-2-enyl)cyclopentane-1,3-dione
59949-74-5

2-ethyl-2-(prop-2-enyl)cyclopentane-1,3-dione

Conditions
ConditionsYield
With sodium hydroxide In water at 60℃; for 10h;A n/a
B 75%
With sodium hydroxide In water at 60℃; for 10h; Yields of byproduct given;
10-bromodecanoic acid methyl ester
26825-94-5

10-bromodecanoic acid methyl ester

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

methyl 10-(2-ethyl-3-oxocyclopent-1-enyloxy)decanoate

methyl 10-(2-ethyl-3-oxocyclopent-1-enyloxy)decanoate

Conditions
ConditionsYield
With sodium hydride In dimethyl sulfoxide at 20℃; for 24h;74%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

5-Methoxy-3-(4-methoxy-phenyl)-pent-1-en-3-ol
56475-35-5

5-Methoxy-3-(4-methoxy-phenyl)-pent-1-en-3-ol

2-ethyl-2-<5-methoxy-3-(p-methoxyphenyl)pent-2-enyl>cyclopentane-1,3-dione
114506-70-6

2-ethyl-2-<5-methoxy-3-(p-methoxyphenyl)pent-2-enyl>cyclopentane-1,3-dione

Conditions
ConditionsYield
With N-benzyl-trimethylammonium hydroxide In xylene Heating;73%
2-{2-[(S)-7-Methoxy-2-methyl-chroman-(4E)-ylidene]-ethyl}-isothiourea; compound with acetic acid

2-{2-[(S)-7-Methoxy-2-methyl-chroman-(4E)-ylidene]-ethyl}-isothiourea; compound with acetic acid

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

7,18-dimethyl-3-methoxy-6-oxa-8(14)-seko-estra-1,3,5(10),9(11)-tetraene-14,17-dione

7,18-dimethyl-3-methoxy-6-oxa-8(14)-seko-estra-1,3,5(10),9(11)-tetraene-14,17-dione

Conditions
ConditionsYield
In ethanol; water at 25℃; for 48h;71.6%
morpholine
110-91-8

morpholine

2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

2-Ethyl-3-morpholin-4-yl-cyclopent-2-enone
134622-75-6

2-Ethyl-3-morpholin-4-yl-cyclopent-2-enone

Conditions
ConditionsYield
With acetic acid; propionic acid In toluene for 6h; Heating;71%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

propargyl bromide
106-96-7

propargyl bromide

A

2-Ethyl-3-prop-2-ynyloxy-cyclopentanone

2-Ethyl-3-prop-2-ynyloxy-cyclopentanone

B

2-ethyl-2-(prop-2-ynyl)cyclopentane-1,3-dione
71450-35-6

2-ethyl-2-(prop-2-ynyl)cyclopentane-1,3-dione

Conditions
ConditionsYield
With sodium hydroxide In water at 60℃; for 7.5h;A n/a
B 70%
2-ethyl-1,3-cyclopentanedione
823-36-9

2-ethyl-1,3-cyclopentanedione

2,2‐difluoro‐2‐(triphenylphosphonio)acetate

2,2‐difluoro‐2‐(triphenylphosphonio)acetate

3-(difluoromethoxy)-2-ethylcyclopent-2-en-1-one
1422736-27-3

3-(difluoromethoxy)-2-ethylcyclopent-2-en-1-one

Conditions
ConditionsYield
In para-xylene at 60℃; for 3h; Schlenk technique; Inert atmosphere;67%

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