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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

2-Cyclopenten-1-one,3-hydroxy-2-methyl-

Cas:5870-63-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

3-HYDROXY-2-METHYL-CYCLOPENT-2-ENONE CAS:5870-63-3 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 quali

3-HYDROXY-2-METHYL-CYCLOPENT-2-ENONE CAS:5870-63-3

Cas:5870-63-3

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-Cyclopenten-1-one,3-hydroxy-2-methyl-

Cas:5870-63-3

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-Cyclopenten-1-one,3-hydroxy-2-methyl-

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

3-HYDROXY-2-METHYL-CYCLOPENT-2-ENONE

Cas:5870-63-3

Min.Order:1 Kilogram

FOB Price: $10.0 / 100.0

Type:Lab/Research institutions

inquiry

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 have s

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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

2-Cyclopenten-1-one,3-hydroxy-2-methyl-

Cas:5870-63-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

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

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

2-Cyclopenten-1-one,3-hydroxy-2-methyl-

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

2-Cyclopenten-1-one,3-hydroxy-2-methyl-

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

3-hydroxy-2-methylcyclopent-2-en-1-one Application:3-hydroxy-2-methylcyclopent-2-en-1-one

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Fandachem Co.,Ltd

3-HYDROXY-2-METHYL-CYCLOPENT-2-ENONEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

3-HYDROXY-2-METHYL-CYCLOPENT-2-ENONE

Cas:5870-63-3

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

3-HYDROXY-2-METHYL-CYCLOPENT-2-ENONE

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Longxianng Runhui Trading Co.,Ltd

3-hydroxy-2-methylcyclopent-2-en-1-oneAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

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

5870-63-3

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Trading Company

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

3-HYDROXY-2-METHYL-CYCLOPENT-2-ENONE

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HuBei Ipure Biotech CO.,ltd

HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 1

3-hydroxy-2-methylcyclopent-2-en-1-one3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

inquiry

Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

2-Cyclopenten-1-one,3-hydroxy-2-methyl-

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jusheng Technology Co., Ltd.,

1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:10 Gram

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

Taizhou volsen chemical Co., Ltd

We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Minshang Biotechnology Co., Ltd

3-hydroxy-2-methylcyclopent-2-en-1-one Application:intermediates

5870-63-3

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Nanjing Raymon Biotech Co., Ltd.

2-Cyclopenten-1-one,3-hydroxy-2-methyl- Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Sh

2-Cyclopenten-1-one,3-hydroxy-2-methyl-

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fenjun Chemical Co Ltd.

3-hydroxy-2-methylcyclopent-2-en-1-one Application:3-hydroxy-2-methylcyclopent-2-en-1-one

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Ruishun Trade Co.,Ltd

Supply top quality products with a reasonable price Application:api

5870-63-3

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

yuyongmei

YUYONGMEI was established in Aug,1999, located in the industrial park of Nanjing University of Technology, It is a private enterprises in Jiangsu Province with 1200 square meters’ R&D center. Our R&D center has a well-equipped synthetic laboratory a

2-Cyclopenten-1-one,3-hydroxy-2-methyl-

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Co.Ltd

Manufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en

2-Cyclopenten-1-one,3-hydroxy-2-methyl-

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

high purity Application:Drug intermediates Materials intermediates and active molecules

3-hydroxy-2-methylcyclopent-2-en-1-one

Cas:5870-63-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2-methylcyclopentane-1,3-dione ethylene glycol monoacetal
54972-03-1

2-methylcyclopentane-1,3-dione ethylene glycol monoacetal

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

Conditions
ConditionsYield
With hydrogenchloride In tetrahydrofuran; water for 10h;71%
2-(1-ethoxy-ethyl)-2-hydroxy-cyclobutanone

2-(1-ethoxy-ethyl)-2-hydroxy-cyclobutanone

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

Conditions
ConditionsYield
With Amberlyst 15; trifluoroacetic acid for 10h; Heating;0.088 g
cyclopent-2-enone
930-30-3

cyclopent-2-enone

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: N,N,N,N,N,N-hexamethylphosphoric triamide; methyllithium / diethyl ether / 0.5 h / 0 °C / Inert atmosphere
1.2: 1 h / -78 °C / Inert atmosphere
1.3: 3 h / -78 - 20 °C / Inert atmosphere
2.1: toluene-4-sulfonic acid / benzene / 6 h / Reflux; Dean-Stark
3.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.33 h / Inert atmosphere
3.2: 20 h
4.1: tetrapropylammonium perruthennate; 4-methylmorpholine N-oxide / dichloromethane / 0.5 h / Molecular sieve; Inert atmosphere
5.1: hydrogenchloride / tetrahydrofuran; water / 10 h
View Scheme
trans-2-methyl-3-(pentamethyldisilan-1-yl)cyclopentan-1-one

trans-2-methyl-3-(pentamethyldisilan-1-yl)cyclopentan-1-one

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: toluene-4-sulfonic acid / benzene / 6 h / Reflux; Dean-Stark
2.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.33 h / Inert atmosphere
2.2: 20 h
3.1: tetrapropylammonium perruthennate; 4-methylmorpholine N-oxide / dichloromethane / 0.5 h / Molecular sieve; Inert atmosphere
4.1: hydrogenchloride / tetrahydrofuran; water / 10 h
View Scheme
1,1,1,2,2-pentamethyl-2-[trans-6-methyl-1,4-dioxaspiro[4,4]-nonan-7-yl]disilane

1,1,1,2,2-pentamethyl-2-[trans-6-methyl-1,4-dioxaspiro[4,4]-nonan-7-yl]disilane

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.33 h / Inert atmosphere
1.2: 20 h
2.1: tetrapropylammonium perruthennate; 4-methylmorpholine N-oxide / dichloromethane / 0.5 h / Molecular sieve; Inert atmosphere
3.1: hydrogenchloride / tetrahydrofuran; water / 10 h
View Scheme
trans-6-methyl-1,4-dioxaspiro[4.4]nonan-7-ol

trans-6-methyl-1,4-dioxaspiro[4.4]nonan-7-ol

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: tetrapropylammonium perruthennate; 4-methylmorpholine N-oxide / dichloromethane / 0.5 h / Molecular sieve; Inert atmosphere
2: hydrogenchloride / tetrahydrofuran; water / 10 h
View Scheme
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

2-Methylcyclopent-1,3-dione monoethyl enol ether
25112-86-1

2-Methylcyclopent-1,3-dione monoethyl enol ether

Conditions
ConditionsYield
With sulfuric acid In ethanol98%
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

3-chloro-2-methylcyclopent-2-en-1-one
35173-23-0

3-chloro-2-methylcyclopent-2-en-1-one

Conditions
ConditionsYield
With diethyl(trichloromethyl)phosphine In dichloromethane for 12h; Ambient temperature;92%
With tetrachloromethane; triphenylphosphine
With oxalyl dichloride In N,N-dimethyl-formamide
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

4,5-dioxohexanoic acid
89533-82-4

4,5-dioxohexanoic acid

Conditions
ConditionsYield
With oxygen; copper(II) perchlorate In acetonitrile for 12h; Ambient temperature;92%
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

benzylamine
100-46-9

benzylamine

3-(benzylamino)-2-methylcyclopent-2-en-1-one
134622-65-4

3-(benzylamino)-2-methylcyclopent-2-en-1-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 10h; Heating;92%
With toluene-4-sulfonic acid In toluene Heating;92%
N-(phenylthio)succinimide
14204-24-1

N-(phenylthio)succinimide

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

2-methyl-2-(phenylthio)-1,3-cyclopentanedione
72302-65-9

2-methyl-2-(phenylthio)-1,3-cyclopentanedione

Conditions
ConditionsYield
With triethylamine In benzene for 2h; Heating;90%
hexan-1-amine
111-26-2

hexan-1-amine

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

3-Hexylamino-2-methyl-cyclopent-2-enone
183674-19-3

3-Hexylamino-2-methyl-cyclopent-2-enone

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene Heating;90%
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

1-aminopent-3-yne
91640-80-1

1-aminopent-3-yne

C11H15NO

C11H15NO

Conditions
ConditionsYield
With toluene-4-sulfonic acid In diethyl ether; toluene at 120℃; for 20h; Dean-Stark;87%
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

3-iodo-2-methyl-2-cyclopentenone
56778-49-5

3-iodo-2-methyl-2-cyclopentenone

Conditions
ConditionsYield
With iodine; triethylamine; triphenylphosphine In acetonitrile for 12h; Reflux; Inert atmosphere;87%
methanol
67-56-1

methanol

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

A

3-methoxy-2-methylcyclopent-2-enone
3883-56-5

3-methoxy-2-methylcyclopent-2-enone

B

2-methyl-3-phenylsulfanyl-cyclopent-2-enone
82909-44-2

2-methyl-3-phenylsulfanyl-cyclopent-2-enone

Conditions
ConditionsYield
With camphor-10-sulfonic acid; thiophenol at 20℃; for 96h;A 10%
B 78%
pent-3-yn-1-ol
10229-10-4

pent-3-yn-1-ol

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

C11H14O2

C11H14O2

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene at 130℃; for 20h; Dean-Stark;77%
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

thiophenol
108-98-5

thiophenol

2-methyl-3-phenylsulfanyl-cyclopent-2-enone
82909-44-2

2-methyl-3-phenylsulfanyl-cyclopent-2-enone

Conditions
ConditionsYield
With camphor-10-sulfonic acid In methanol at 50℃; for 21h;76%
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

methyl vinyl ketone
78-94-4

methyl vinyl ketone

2-methyl-2-(3-oxobutyl)-1,3-cyclopentanedione
25112-78-1

2-methyl-2-(3-oxobutyl)-1,3-cyclopentanedione

Conditions
ConditionsYield
at 150℃; for 3h;65%
With acetic acid In water at 70℃; Darkness; Inert atmosphere;
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

δ-Phenylselenenylbutanol
117901-60-7

δ-Phenylselenenylbutanol

3-(4-phenylselenobutanoxy)-2-methylcyclopent-2-en-1-one
118824-28-5

3-(4-phenylselenobutanoxy)-2-methylcyclopent-2-en-1-one

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene for 9h; Heating;53%
With toluene-4-sulfonic acid In benzene Dean-Stark conditions;53%
pyrrolidine
123-75-1

pyrrolidine

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

2-methyl-3-(1-pyrrolidinyl)-2-cyclopenten-1-one
3335-02-2

2-methyl-3-(1-pyrrolidinyl)-2-cyclopenten-1-one

Conditions
ConditionsYield
With acetic acid In ethanol for 4h; Heating;5%
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

3-Bromo-2-methylcyclopent-2-en-1-one
56671-87-5

3-Bromo-2-methylcyclopent-2-en-1-one

Conditions
ConditionsYield
With carbon tetrabromide; triphenylphosphine In chloroform
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

ethyl 2-bromomethyl-2-propenoate
17435-72-2

ethyl 2-bromomethyl-2-propenoate

2-(1-Methyl-2,5-dioxo-cyclopentylmethyl)-acrylic acid ethyl ester
53696-39-2

2-(1-Methyl-2,5-dioxo-cyclopentylmethyl)-acrylic acid ethyl ester

Conditions
ConditionsYield
With potassium carbonate In acetone
methanol
67-56-1

methanol

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

3-methoxy-2-methylcyclopent-2-enone
3883-56-5

3-methoxy-2-methylcyclopent-2-enone

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene
ethanol
64-17-5

ethanol

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

2-Methylcyclopent-1,3-dione monoethyl enol ether
25112-86-1

2-Methylcyclopent-1,3-dione monoethyl enol ether

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

(3-bromopropyl)(phenyl)selane
118824-31-0

(3-bromopropyl)(phenyl)selane

3-(3-phenylselenopropanoxy)-2-methylcyclopent-2-en-1-one
118824-29-6

3-(3-phenylselenopropanoxy)-2-methylcyclopent-2-en-1-one

Conditions
ConditionsYield
With sodium hydride 1) DMF, 0 deg C - room temperature, 20 min, 2) 70 deg C, 3 h; Yield given. Multistep reaction;
With sodium hydride DMF; Yield given. Multistep reaction;
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

1-bromo-4-phenylselenobutane
118824-39-8

1-bromo-4-phenylselenobutane

3-(4-phenylselenobutanoxy)-2-methylcyclopent-2-en-1-one
118824-28-5

3-(4-phenylselenobutanoxy)-2-methylcyclopent-2-en-1-one

Conditions
ConditionsYield
With sodium hydride 1) DMF, 0 deg C - room temperature, 20 min, 2) 70 deg C, 4 h; Yield given. Multistep reaction;
With sodium hydride DMF; Yield given. Multistep reaction;
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

ethyl iodide
75-03-6

ethyl iodide

2-Ethyl-2-methyl-1,3-cyclopentanedione
25112-87-2

2-Ethyl-2-methyl-1,3-cyclopentanedione

Conditions
ConditionsYield
With potassium hydroxide
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

methyl iodide
74-88-4

methyl iodide

2,2-dimethylcyclopentane-1,3-dione
3883-58-7

2,2-dimethylcyclopentane-1,3-dione

Conditions
ConditionsYield
With potassium hydroxide
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

2-(chloromethyl)-6-methoxy-4-(1-methylethyl)-1,2-benzisothiazol-3(2H)-one 1,1-dioxide
142577-03-5

2-(chloromethyl)-6-methoxy-4-(1-methylethyl)-1,2-benzisothiazol-3(2H)-one 1,1-dioxide

4-Isopropyl-6-methoxy-2-(2-methyl-3-oxo-cyclopent-1-enyloxymethyl)-1,1-dioxo-1,2-dihydro-1λ6-benzo[d]isothiazol-3-one

4-Isopropyl-6-methoxy-2-(2-methyl-3-oxo-cyclopent-1-enyloxymethyl)-1,1-dioxo-1,2-dihydro-1λ6-benzo[d]isothiazol-3-one

Conditions
ConditionsYield
With sodium hydride 1.) DMF, RT, 30 min, 2.) DMF, RT, 144 h; Yield given. Multistep reaction;
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

3-methoxy-2-methylcyclopent-2-enone
3883-56-5

3-methoxy-2-methylcyclopent-2-enone

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether
3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

aniline
62-53-3

aniline

4-oxo-5-(phenyl-hydrazono)-hexanoic acid

4-oxo-5-(phenyl-hydrazono)-hexanoic acid

Conditions
ConditionsYield
With hydrogenchloride; sodium acetate; sodium nitrite 1) H2O, 0 deg C, 15 min, 2) H2O; Yield given. Multistep reaction;
Nonafluorobutanesulfonyl fluoride
375-72-4

Nonafluorobutanesulfonyl fluoride

3-hydroxy-2-methyl-2-cyclopenten-1-one
5870-63-3

3-hydroxy-2-methyl-2-cyclopenten-1-one

2-methyl-3-(perfluoro-1-butanesulfonyloxy)-2-cyclopenten-1-one

2-methyl-3-(perfluoro-1-butanesulfonyloxy)-2-cyclopenten-1-one

Conditions
ConditionsYield
With sodium hydride 1.) DMF, room temperature (4 h), 45 deg C (45 min), 2.) DMF, room temperature, 3.5 h; Yield given; Multistep reaction;

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