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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

2,2-Dimethylcyclopentanone Manufacturer/High quality/Best price/In stock

Cas:4541-32-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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

Large Stock 99.0% 2,2-Dimethylcyclopentanone 4541-32-6 Producer

Cas:4541-32-6

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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

2,2-DIMETHYLCYCLOPENTANONE

Cas:4541-32-6

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

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

Pharmaceutical Grade CAS 4541-32-6 with competitive price

Cas:4541-32-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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

Cyclopentanone,2,2-dimethyl- 4541-32-6

Cas:4541-32-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2,2-DIMETHYLCYCLOPENTANONE CAS:4541-32-6 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 organic

2,2-DIMETHYLCYCLOPENTANONE CAS:4541-32-6

Cas:4541-32-6

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

Cyclopentanone,2,2-dimethyl-

Cas:4541-32-6

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

Cyclopentanone,2,2-dimethyl-

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

2,2-dimethylcyclopentan-1-one

Cas:4541-32-6

Min.Order:4 Kilogram

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

Cyclopentanone,2,2-dimethyl-

Cas:4541-32-6

Min.Order:0

Negotiable

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 2,2-Dimethylcyclopentanone B

Cas:4541-32-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

2,2-DIMETHYLCYCLOPENTANONE Basic information Product Name: 2,2-DIMETHYLCYCLOPENTANONE Synonyms: 2,2-Dimethylcyclopentane-1-one;2,2-Dimethylcyclopentanone,97%;2,2-dimethylcyclopentan-1-one

4541-32-6 2,2-DIMETHYLCYCLOPENTANONE C7H12O

Cas:4541-32-6

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

2,2-DIMETHYLCYCLOPENTANONE

Cas:4541-32-6

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Greenutra Resource Inc

2,2-DimethylcyclopentanoneAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air

2,2-Dimethylcyclopentanone

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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-Dimethylcyclopentanone

Cas:4541-32-6

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

2,2-Dimethylcyclopentanone

Cas:4541-32-6

Min.Order:0

Negotiable

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

2,2-Dimethylcyclopentanone

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

2,2-Dimethylcyclopentanone

Cas:4541-32-6

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

Cyclopentanone,2,2-diMethyl-

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Pharm intermediate

2,2-Dimethylcyclopentanone

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

2,2-Dimethylcyclopentanone cas 4541-32-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2,2-Dimethylcyclopentanone cas 4541-32-6

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

2,2-DIMETHYLCYCLOPENTANONE

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

2,2-DIMETHYLCYCLOPENTANONE

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

2,2-Dimethylcyclopentanone

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

2,2-Dimethylcyclopentanone

Cas:4541-32-6

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

2,2-DIMETHYLCYCLOPENTANONE Basic information Product Name: 2,2-DIMETHYLCYCLOPENTANONE Synonyms: CYCLOPENTANONE, 2,2-DIMETHYL-;2,2-DIMETHYL-1-CYCLOPENT

2,2-DIMETHYLCYCLOPENTANONE

Cas:4541-32-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Xiamen BaiFuchem Co.,Ltd

BaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art

High purity 2,2-Dimethylcyclopentanone A

Cas:4541-32-6

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

HANGZHOU EVC CHEMICAL CO.,LTD.

1)Abundant experiences for the exporting 2)Excellent quality to satisfy your request 3)Best price to lower your cost 4)Quick delivery as your special demand Package:As customer requests Application:Used as pharmaceutical intermediates Transp

2,2-Dimethylcyclopentanone

Cas:4541-32-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Shanghai Hanhong Scientific Co.,Ltd.

factory,reasonable price Appearance:detailed see specifications Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:pharmaceutical intermediates Transportation:by courier,air or sea Port:S

2,2-Dimethylcyclopentanone4541-32-6

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Cerametek Materials(ShenZhen)Co., Ltd.

sub/micron to mesh powders (near/spheres, whiskers, flake, fiber, porous) and grain/ball, thin/ thick metal / alloys pieces / parts, thin and thick (particle) film materials /target, and custom-made crystals, substrates/parts. In the industries and a

2,2-Dimethylcyclopentanone

Cas:4541-32-6

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

1-(trimethylsilyloxy)cyclopentene
19980-43-9

1-(trimethylsilyloxy)cyclopentene

methyl iodide
74-88-4

methyl iodide

A

2-Methylcyclopentanone
1120-72-5

2-Methylcyclopentanone

B

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

C

cis-2,5-dimethylcyclopentanone
6672-39-5

cis-2,5-dimethylcyclopentanone

(+/-)-trans-2,5-dimethylcyclopentanone
83664-37-3

(+/-)-trans-2,5-dimethylcyclopentanone

Conditions
ConditionsYield
With N,N,N,N,N,N-hexamethylphosphoric triamide; methyllithium; dimethyl zinc(II) In tetrahydrofuran at -78℃; for 10h;A 98%
B n/a
C n/a
D n/a
With methyllithium In tetrahydrofuran at 0℃; for 3h; Further byproducts given;A 79%
B n/a
C n/a
D n/a
5,5-dimethylcyclopent-2-enone
17197-84-1

5,5-dimethylcyclopent-2-enone

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In methanol for 6h; Ambient temperature;96%
With lithium tri(t-butoxy)aluminum hydride In tetrahydrofuran at -78℃; for 2h;66%
1-(2-hydroxyprop-2-yl)cyclobutanol
99767-31-4

1-(2-hydroxyprop-2-yl)cyclobutanol

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 20℃; for 1h; Rearrangement;93%
2-bromomethyl-2-methylcyclopentanone

2-bromomethyl-2-methylcyclopentanone

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With acetic acid; zinc at 110℃; for 2h;92%
5-iodo-2,2-dimethylpentanenitrile
56475-44-6

5-iodo-2,2-dimethylpentanenitrile

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
Stage #1: 5-iodo-2,2-dimethylpentanenitrile With n-hexyllithium In tetrahydrofuran; hexane at -20 - -5℃; for 1.33333h;
Stage #2: With oxalic acid In tetrahydrofuran; hexane; water at -5 - 20℃;
81%
With magnesium; ethylene dibromide In diethyl ether
1-(trimethylsilyloxy)cyclopentene
19980-43-9

1-(trimethylsilyloxy)cyclopentene

methyl iodide
74-88-4

methyl iodide

A

2-Methylcyclopentanone
1120-72-5

2-Methylcyclopentanone

B

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

C

2,2,5-trimethylcyclopentanone
4573-09-5

2,2,5-trimethylcyclopentanone

D

cis-2,5-dimethylcyclopentanone
6672-39-5

cis-2,5-dimethylcyclopentanone

Conditions
ConditionsYield
With methyllithium In tetrahydrofuran at 0℃; for 3h; Further byproducts given;A 79%
B n/a
C n/a
D n/a
With methyllithium 1.) THF, 2.) 0 deg C, 3 h; Multistep reaction. Further byproducts given. Yields of byproduct given;
1-(trimethylsilyloxy)cyclopentene
19980-43-9

1-(trimethylsilyloxy)cyclopentene

methyl iodide
74-88-4

methyl iodide

A

2-Methylcyclopentanone
1120-72-5

2-Methylcyclopentanone

B

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

C

2,2,5-trimethylcyclopentanone
4573-09-5

2,2,5-trimethylcyclopentanone

D

cis-2,5-dimethylcyclopentanone
6672-39-5

cis-2,5-dimethylcyclopentanone

(+/-)-trans-2,5-dimethylcyclopentanone
83664-37-3

(+/-)-trans-2,5-dimethylcyclopentanone

Conditions
ConditionsYield
With methyllithium In tetrahydrofuran at 0℃; for 3h; Product distribution; var. temp., times, and reagent systems; other lithium enolates;A 79%
B n/a
C n/a
D n/a
E n/a
trans-1,2-dimethylcyclopentan-1,2-diol
6296-92-0, 33046-19-4, 33046-20-7

trans-1,2-dimethylcyclopentan-1,2-diol

1-(2-hydroxyprop-2-yl)cyclobutanol
99767-31-4

1-(2-hydroxyprop-2-yl)cyclobutanol

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With phosphoric acid; phosphorus pentoxide at 45℃; for 0.166667h; Rearrangement;66%
1-(1-Methyl-1-methylselanyl-ethyl)-cyclobutanol
112126-07-5

1-(1-Methyl-1-methylselanyl-ethyl)-cyclobutanol

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With potassium hydroxide; chloroform; N-benzyl-N,N,N-triethylammonium chloride In dichloromethane at 20℃; for 1h;63%
2,2-dimethyl-adipic acid-anhydride

2,2-dimethyl-adipic acid-anhydride

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
bei langsamer Destillation;
2-Methylcyclopentanone
1120-72-5

2-Methylcyclopentanone

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With diethyl ether; sodium amide anschliessend Behandeln mit Methyljodid, zuletzt auf dem Dampfbad;
2,2-dimethyladipic acid
763-06-4

2,2-dimethyladipic acid

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With thorium hydroxide at 280 - 290℃;
With barium dihydroxide at 285℃;
cis-1,2-dimethyl-1,2-cyclopentanediol
33046-19-4

cis-1,2-dimethyl-1,2-cyclopentanediol

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With sulfuric acid
With D3+; oxygen; trimethylamine at 37.5℃; Product distribution; Irradiation; trans compound and various conditions investigated;
rac-2,2-dimethylcyclopentanol
37617-33-7

rac-2,2-dimethylcyclopentanol

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With potassium permanganate at 20℃; Erwaermen des Reaktionsprodukts auf 50grad;
With chromium(VI) oxide; sulfuric acid In acetone
cyclopentanone
120-92-3

cyclopentanone

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With sodium tert-pentoxide; dimethyl sulfate
In carbonic acid dimethyl ester
2-Methylcyclopentanone
1120-72-5

2-Methylcyclopentanone

methyl iodide
74-88-4

methyl iodide

A

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

B

2,5-dimethylcyclopentanone
4041-09-2

2,5-dimethylcyclopentanone

Conditions
ConditionsYield
With sodium amide
3-methylcyclohexen-2-one
1193-18-6

3-methylcyclohexen-2-one

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With hydrogenchloride; mercury; zinc
With titanium tetrachloride; lithium trimethylstannyl 1.) THF, 0 deg C, 15 min, 2.) CH2Cl2, -78 deg C, 15 min; Yield given. Multistep reaction;
2,2-dimethylhexanedinitrile
2941-44-8

2,2-dimethylhexanedinitrile

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
(i) NaNH2, Et2O, (ii) H2SO4, AcOH; Multistep reaction;
cyclopentanone
120-92-3

cyclopentanone

dimethyl sulfate
77-78-1

dimethyl sulfate

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With sodium tert-pentoxide In diethyl ether; benzene
With sodium tert-pentoxide In toluene at 20 - 35℃; for 28h;5.2 g
2-<(n-butylthio)methylene>cyclopentanone
32116-72-6

2-<(n-butylthio)methylene>cyclopentanone

methyl iodide
74-88-4

methyl iodide

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
(i) Li, liq. NH3, H2O, Et2O, (ii) /BRN= 969135/; Multistep reaction;
2,2-dimethyl-4-pentenal
5497-67-6

2,2-dimethyl-4-pentenal

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
(PPh3)2Co(dppe) In acetonitrile; benzene at 70℃; for 3h; Yield given;
2-Methylcyclopentanone
1120-72-5

2-Methylcyclopentanone

methyl iodide
74-88-4

methyl iodide

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With n-butyllithium; diisopropylamine 1.) hexane, THF, -78 deg C, 0.5 h, then 0 deg C, 3 h 2.) 3 h; Yield given. Multistep reaction;
2-Methylcyclopentanone
1120-72-5

2-Methylcyclopentanone

methyl iodide
74-88-4

methyl iodide

A

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

B

2,5-dimethylcyclopentanone
4041-09-2

2,5-dimethylcyclopentanone

C

2,2,5-trimethylcyclopentanone
4573-09-5

2,2,5-trimethylcyclopentanone

D

2,2,5,5-tetramethylcyclopentanone
4541-35-9

2,2,5,5-tetramethylcyclopentanone

Conditions
ConditionsYield
Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
2-Methylcyclopentanone
1120-72-5

2-Methylcyclopentanone

methyl iodide
74-88-4

methyl iodide

A

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

B

2,5-dimethylcyclopentanone
4041-09-2

2,5-dimethylcyclopentanone

C

2,4-dimethylcyclopentanone
1121-33-1, 6672-40-8

2,4-dimethylcyclopentanone

Conditions
ConditionsYield
With (2-pyrr)2Mg electrogenerated base In N,N,N,N,N,N-hexamethylphosphoric triamide; 1,2-dimethoxyethane at -50℃; for 1.5h; Product distribution; other temperatures, time, recyclization;
2-Methylcyclopentanone
1120-72-5

2-Methylcyclopentanone

sodium amide

sodium amide

methyl iodide
74-88-4

methyl iodide

A

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

B

2,5-dimethylcyclopentanone
4041-09-2

2,5-dimethylcyclopentanone

α.α-dimethyl-adipic acid

α.α-dimethyl-adipic acid

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With acetic anhydride
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

6,6-dimethyltetrahydro-2H-pyran-2-one
2610-95-9

6,6-dimethyltetrahydro-2H-pyran-2-one

Conditions
ConditionsYield
With potassium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane; water for 5h; Baeyer-Villiger Ketone Oxidation; Reflux;100%
With trifluoroacetyl peroxide at 0℃;99%
With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 0 - 20℃; for 18h; Baeyer-Villiger Ketone Oxidation;77%
With dihydrogen peroxide; trifluoroacetic anhydride at 20℃; Baeyer-Villiger oxidation;67%
With Mg10Al2(OH)24CO3; oxygen; benzaldehyde In 1,2-dichloro-ethane at 40℃; for 24h;61%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

(R)-1-phenyl-ethyl-amine
3886-69-9

(R)-1-phenyl-ethyl-amine

(R,E)-N-(2,2-dimethylcyclopentylidene)-1-phenylethanamine
167321-13-3

(R,E)-N-(2,2-dimethylcyclopentylidene)-1-phenylethanamine

Conditions
ConditionsYield
With titanium tetrachloride; triethylamine In dichloromethane at 20℃; for 16h; Cooling with ice;100%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

2-(aminooxy)-2-methylpropanoic acid hydrochloride

2-(aminooxy)-2-methylpropanoic acid hydrochloride

2-(((2,2-dimethylcyclopentylidene)amino)oxy)-2-methylpropanoic acid

2-(((2,2-dimethylcyclopentylidene)amino)oxy)-2-methylpropanoic acid

Conditions
ConditionsYield
With sodium acetate In methanol Reflux;100%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

ketene t-butyldimethylsilyl methyl acetal
77086-38-5

ketene t-butyldimethylsilyl methyl acetal

methyl 2-(1-((tert-butyldimethylsilyl)oxy)-2,2-dimethylcyclopentyl)acetate

methyl 2-(1-((tert-butyldimethylsilyl)oxy)-2,2-dimethylcyclopentyl)acetate

Conditions
ConditionsYield
Stage #1: 2,2-dimethylcyclopentanone With bis(trifluoromethanesulfonyl)amide In diethyl ether at -78 - 23℃; Mukaiyama Aldol Addition; Schlenk technique; Inert atmosphere;
Stage #2: ketene t-butyldimethylsilyl methyl acetal In diethyl ether at -20℃; for 0.5h; Mukaiyama Aldol Addition; Schlenk technique; Inert atmosphere;
98%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

5-((dimethylamino)methylene)-2,2-dimethylcyclopentanone

5-((dimethylamino)methylene)-2,2-dimethylcyclopentanone

Conditions
ConditionsYield
In toluene at 100℃; for 22h;97%
In toluene at 100℃; for 22h; Temperature;97%
trimethylsilyl cyanide
7677-24-9

trimethylsilyl cyanide

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

2,2-Dimethyl-1-trimethylsilanyloxy-cyclopentanecarbonitrile
586398-08-5

2,2-Dimethyl-1-trimethylsilanyloxy-cyclopentanecarbonitrile

Conditions
ConditionsYield
With zinc(II) iodide In benzene for 7.5h; Ambient temperature;95%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

tert-Butoxybis(dimethylamino)methane
5815-08-7

tert-Butoxybis(dimethylamino)methane

5-((dimethylamino)methylene)-2,2-dimethylcyclopentanone

5-((dimethylamino)methylene)-2,2-dimethylcyclopentanone

Conditions
ConditionsYield
at 20 - 110℃; for 2.75h; Inert atmosphere;95%
at 110℃; for 1h; Inert atmosphere;94%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

2-Trifluoromethylbenzaldehyde
447-61-0

2-Trifluoromethylbenzaldehyde

5-[1-(2-trifluoromethylphenyl)-meth-(E)-ylidene]-2,2-dimethylcyclopentanone
1253105-70-2

5-[1-(2-trifluoromethylphenyl)-meth-(E)-ylidene]-2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water at 0 - 20℃;94%
N,N-phenylbistrifluoromethane-sulfonimide
37595-74-7

N,N-phenylbistrifluoromethane-sulfonimide

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

5,5-dimethylcyclopent-1-en-1-yl trifluoromethanesulfonate
153580-03-1

5,5-dimethylcyclopent-1-en-1-yl trifluoromethanesulfonate

Conditions
ConditionsYield
Stage #1: 2,2-dimethylcyclopentanone With lithium diisopropyl amide In tetrahydrofuran; n-heptane at -78℃; for 1h;
Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran at -78℃; for 1h;
92%
Stage #1: 2,2-dimethylcyclopentanone With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 0.75h;
Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran; hexane at -78 - 20℃; for 3h;
50%
Stage #1: 2,2-dimethylcyclopentanone With n-butyllithium; diisopropylamine In tetrahydrofuran at -78℃; for 3h;
Stage #2: N,N-phenylbistrifluoromethane-sulfonimide In tetrahydrofuran at -78℃; for 1h;
28%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

2-chloro-3,3-dimethylcyclopent-1-ene-1-carbaldehyde

2-chloro-3,3-dimethylcyclopent-1-ene-1-carbaldehyde

Conditions
ConditionsYield
Stage #1: N,N-dimethyl-formamide With trichlorophosphate In dichloromethane at 0 - 20℃; for 1h; Inert atmosphere;
Stage #2: 2,2-dimethylcyclopentanone In dichloromethane at 20 - 40℃; for 17h; Inert atmosphere;
91.93%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

malononitrile
109-77-3

malononitrile

cyano (2,2-dimethylcyclopentylidene) acetonitrile
303156-60-7

cyano (2,2-dimethylcyclopentylidene) acetonitrile

Conditions
ConditionsYield
With ammonium acetate; acetic acid In toluene Heating / reflux;91%
With piperidine; benzoic acid In benzene for 100h; Condensation; Heating;61%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

oxalic acid diethyl ester
95-92-1

oxalic acid diethyl ester

ethyl 2-(3,3-dimethyl-2-oxo-cyclopentyl)-2-oxo-acetate
856256-48-9

ethyl 2-(3,3-dimethyl-2-oxo-cyclopentyl)-2-oxo-acetate

Conditions
ConditionsYield
Stage #1: 2,2-dimethylcyclopentanone; oxalic acid diethyl ester With ethanol; sodium ethanolate; sodium hydride at 0 - 20℃; for 6.25h;
Stage #2: With hydrogenchloride In ethanol; water at 0℃;
90%
With sodium ethanolate
In ethanol
With sodium ethanolate In ethanol at -15 - 20℃; Inert atmosphere;8.2 g
With sodium ethanolate In ethanol at -15 - 20℃; Inert atmosphere;8.2 g
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

1-(2-hydroxy-1-((4-methoxybenzyl)oxy)propan-2-yl)cyclopropane-1-carbaldehyde

1-(2-hydroxy-1-((4-methoxybenzyl)oxy)propan-2-yl)cyclopropane-1-carbaldehyde

(E)-5-((1-(2-hydroxy-1-((4-methoxybenzyl)oxy)propan-2-yl)cyclopropyl)methylene)-2,2-dimethylcyclopentan-1-one

(E)-5-((1-(2-hydroxy-1-((4-methoxybenzyl)oxy)propan-2-yl)cyclopropyl)methylene)-2,2-dimethylcyclopentan-1-one

Conditions
ConditionsYield
Stage #1: 2,2-dimethylcyclopentanone With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide; pentane at 0℃; for 0.25h; Aldol Condensation; Inert atmosphere;
Stage #2: 1-(2-hydroxy-1-((4-methoxybenzyl)oxy)propan-2-yl)cyclopropane-1-carbaldehyde In tetrahydrofuran; N,N-dimethyl-formamide; pentane at 0℃; for 0.25h; Inert atmosphere;
90%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

2,4-difluorobenzaldehyde
1550-35-2

2,4-difluorobenzaldehyde

5-[1-(2,4-difluorophenyl)-meth-(E)-ylidene]-2,2-dimethylcyclopentanone
1253245-30-5

5-[1-(2,4-difluorophenyl)-meth-(E)-ylidene]-2,2-dimethylcyclopentanone

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water at 0 - 20℃;88%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

Diethyl carbonate
105-58-8

Diethyl carbonate

ethyl 3,3-dimethyl-2-oxocyclopentane-1-carboxylate

ethyl 3,3-dimethyl-2-oxocyclopentane-1-carboxylate

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran; mineral oil for 24h; Reflux;88%
With sodium hydride
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

allyl alcohol
107-18-6

allyl alcohol

C13H20O

C13H20O

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; bis(1,5-cyclooctadiene)nickel (0) In methanol at 80℃; for 18h; Inert atmosphere; Glovebox; Schlenk technique; Sealed tube;87%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

rac-2,2-dimethylcyclopentanol
37617-33-7

rac-2,2-dimethylcyclopentanol

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol at 20℃; for 3h;86%
With borane-THF; L-proline In tetrahydrofuran for 0.166667h; Reduction;78%
With sodium tetrahydroborate In isopropyl alcohol at 25℃; for 20h; Kinetics;
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

2-Iodobenzyl bromide
40400-13-3

2-Iodobenzyl bromide

5-(2-iodobenzyl)-2,2-dimethylcyclopentanone

5-(2-iodobenzyl)-2,2-dimethylcyclopentanone

Conditions
ConditionsYield
Stage #1: 2,2-dimethylcyclopentanone With N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78 - 0℃; for 0.5h; Schlenk technique; Inert atmosphere;
Stage #2: 2-Iodobenzyl bromide In tetrahydrofuran; hexane at -78 - 0℃; for 1.5h; Schlenk technique; Inert atmosphere;
85%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

benzaldehyde
100-52-7

benzaldehyde

(E)-2-benzylidene-5,5-dimethylcyclopentanone
146513-79-3

(E)-2-benzylidene-5,5-dimethylcyclopentanone

Conditions
ConditionsYield
With sodium methylate In methanol for 16h; Ambient temperature;84%
2,3-dihydro-2H-furan
1191-99-7

2,3-dihydro-2H-furan

2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

C11H18O2

C11H18O2

Conditions
ConditionsYield
Stage #1: 2,3-dihydro-2H-furan With tert.-butyl lithium In tetrahydrofuran; pentane at -78 - 0℃; for 1h;
Stage #2: 2,2-dimethylcyclopentanone In tetrahydrofuran; pentane at -78 - 20℃; for 6h;
Stage #3: With Dowex-50X In dichloromethane at 20℃; for 24h; Further stages.;
81%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

(R)-2,2-dimethylcyclopentan-1-ol
109530-56-5

(R)-2,2-dimethylcyclopentan-1-ol

Conditions
ConditionsYield
With sodium tetrahydroborate In tetrahydrofuran for 1h; in air;80%
Stage #1: 2,2-dimethylcyclopentanone With (4R,5R)-2-phenyl-1,3,2-dioxaborolane-4,5-dicarboxylic acid In tetrahydrofuran for 0.25h; Cooling with ice;
Stage #2: With sodium tetrahydroborate In tetrahydrofuran for 2h; optical yield given as %ee;
80%
With (+)-diiso-2-ethylapophosphate pinacylboraneheptane In ethyl acetate at -25℃; for 24h;68%
With diisopinocamphenylchloroborane Yield given;
With Octanethiol; 2,4-dinitrobenzenesulfonic acid; (2S,4S)-pentane-2,4-diol In benzene for 1.5h; Reflux; optical yield given as %ee;36 %Spectr.
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

methyl 3,3-dimethyl-2-oxocyclopentyl-1-carboxylate
80969-68-2

methyl 3,3-dimethyl-2-oxocyclopentyl-1-carboxylate

Conditions
ConditionsYield
With sodium hydride In methanol at 82℃; for 5h;79.5%
2,2-dimethylcyclopentanone
4541-32-6

2,2-dimethylcyclopentanone

phenoxyamine hydrochloride
6092-80-4

phenoxyamine hydrochloride

2,2-dimethylcyclopentan-1-one O-phenyl oxime

2,2-dimethylcyclopentan-1-one O-phenyl oxime

Conditions
ConditionsYield
With pyridine at 20℃; for 18h; Inert atmosphere;79%

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