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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

3-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

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 3-Cyclopentene-1-Carboxylic Acid supplier in China

Cas:7686-77-3

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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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

3-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM-- 7686-77-3--Phenyl vinyl sulfone in stock 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 business relat

TIANFUCHEM-- 7686-77-3--Phenyl vinyl sulfone in stock

Cas:7686-77-3

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

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

3-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Top Purity CAS 7686-77-3 with fast shipping

Cas:7686-77-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product name:3-Cyclopentene-1-carboxylic acid CAS No:7686-77-3 Appearance:Colorless to pale yellow liquid Content:98% Appearance:Colorless to pale yellow liquid Storage:Preserve in well-closed

3-Cyclopentenecarboxylic Acid

Cas:7686-77-3

Min.Order:1 Kilogram

FOB Price: $1.0

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

3-Cyclopentene-1-carboxylic acid 7686-77-3

Cas:7686-77-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

3-Cyclopentene-1-carboxylic acid CAS:7686-77-3 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 quality o

3-Cyclopentene-1-carboxylic acid CAS:7686-77-3

Cas:7686-77-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:7686-77-3

Cas:7686-77-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

3-Cyclopentene-1-Carboxylicacid

Cas:7686-77-3

Min.Order:0

Negotiable

Type:Manufacturers

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Triumph International Development Limilted

Appearance:detailed see specifications Storage:Store in a cool,dry place and keep away from direct strong light Package:1g, 10g, 100g, 1kg Application:Used for research and industrial manufacture. Transportation:Common products

3-Cyclopentene-1-carboxylic Acid

Cas:7686-77-3

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

1, High quality with competitive price: We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcels can be sent out within 24 hours after payment. Tracking number is available. 2) Secur

3-Cyclopentene-1-carboxylic acid with good quality CAS NO.7686-77-3

Cas:7686-77-3

Min.Order:20 Gram

Negotiable

Type:Trading Company

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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

7686-77-3

Cas:7686-77-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

3-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

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

cyclopent-3-ene-1-carboxylic acid

Cas:7686-77-3

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 3-Cyclopentenecarboxylic Acid

Cas:7686-77-3

Min.Order:0 Metric Ton

Negotiable

Type:Other

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Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products 3-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

Min.Order:100 Gram

Negotiable

Type:Other

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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

3-Cyclopentene-1-carboxylic acid CAS NO.7686-77-3

Cas:7686-77-3

Min.Order:10 Gram

Negotiable

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,

Cyclopent-3-ene-1-carboxylic acid 97%

Cas:7686-77-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

3-Cyclopentene-1-carboxylic acid Basic information Product Name: 3-Cyclopentene-1-carboxylic acid Synonyms: CYCLOPENT-3-ENE-1-CARBOXYLIC ACID;CYCLOPENT-3-ENECARBOXYLIC ACID;3-CYCLOPENTENE-1-CARBOXYLIC ACID;3-CYCLOPENTENECARBOXYLIC ACID;TIMTEC-

3-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

3-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Shanghai Finebiotech Co.,Ltd.

Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service

cyclopent-3-ene-1-carboxylic acid

Cas:7686-77-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

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

3-Cyclopentene-1-carboxylic acid cas no. 7686-77-3 98%

Cas:7686-77-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Greenutra Resource Inc

3-Cyclopentenecarboxylic AcidAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air

3-Cyclopentenecarboxylic Acid

Cas:7686-77-3

Min.Order:0

Negotiable

Type:Trading Company

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

3-Cyclopentenecarboxylic Acid

Cas:7686-77-3

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

3-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

Min.Order:0

Negotiable

Type:Manufacturers

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

3-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

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

3-Cyclopentene-1-carboxylic acid

Cas:7686-77-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

Dimethyl 3-cyclopentene-1,1-dicarboxylate
88326-51-6

Dimethyl 3-cyclopentene-1,1-dicarboxylate

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
at 185 - 195℃; for 1h;100%
at 180℃; for 1h; Neat (no solvent);93%
at 170 - 175℃; for 2h;89%
2-allyl-4-pentenoic acid
99-67-2

2-allyl-4-pentenoic acid

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane at 40℃; for 1h; Schlenk technique;98%
methyl cyclopent-3-ene-1-carboxylate
58101-60-3

methyl cyclopent-3-ene-1-carboxylate

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
With water; lithium hydroxide In tetrahydrofuran at 25℃; for 15h;90%
Dimethyl 3-cyclopentene-1,1-dicarboxylate
84646-68-4

Dimethyl 3-cyclopentene-1,1-dicarboxylate

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
Stage #1: Dimethyl 3-cyclopentene-1,1-dicarboxylate With water; potassium hydroxide In ethanol at 45℃; for 14h; Inert atmosphere;
Stage #2: at 180℃; for 1h; Inert atmosphere;
73%
Multi-step reaction with 2 steps
1: 45percent KOH / aq. ethanol / 15 h / Heating
2: 100 percent / 1 h / 185 - 195 °C
View Scheme
Multi-step reaction with 2 steps
1: water; potassium hydroxide / ethanol / 1 h / Reflux
2: 1 h / 180 °C / Neat (no solvent)
View Scheme
methyl cyclopent-3-ene-1-carboxylate
58101-60-3

methyl cyclopent-3-ene-1-carboxylate

acetonitrile
75-05-8

acetonitrile

A

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

B

3-(cyclopent-3-en-1-yl)-3-oxopropanenitrile
97820-85-4

3-(cyclopent-3-en-1-yl)-3-oxopropanenitrile

Conditions
ConditionsYield
With potassium tert-butylate; isopropyl alcohol In 2-methyltetrahydrofuran at 20℃; for 2h; Inert atmosphere;A n/a
B 29%
(+/-)-cyclopent-2-enecarboxylic acid
67886-24-2, 67886-30-0, 77983-99-4, 2348-89-2

(+/-)-cyclopent-2-enecarboxylic acid

methyl iodide
74-88-4

methyl iodide

A

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

cis-3-methylcyclopentanecarboxylic acid
6240-43-3, 6240-44-4, 24070-68-6

cis-3-methylcyclopentanecarboxylic acid

Conditions
ConditionsYield
With pyridine; bis(1,5-cyclooctadiene)nickel (0); sulfuric acid 1) THF, room temperature, 24 h, 2) THF, room temperature, 24 h; Yield given. Multistep reaction;A 10%
B n/a
C 4%
carbon dioxide
124-38-9

carbon dioxide

cyclopent-3-enyl bromide
1781-66-4

cyclopent-3-enyl bromide

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
(i) Mg, Et2O, (ii) /BRN= 1900390/; Multistep reaction;
With magnesium 1.) ether, RT, 5 h; Yield given. Multistep reaction;
diethyl 2-vinylcyclopropane-1,1-dicarboxylate
7686-78-4

diethyl 2-vinylcyclopropane-1,1-dicarboxylate

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
Heating;
Multi-step reaction with 3 steps
1: 94 percent / 480 °C
2: KOH / H2O; ethanol / 6 h / Heating
3: 180 °C
View Scheme
cyclopent-3-ene-1-carbonitrile
4492-41-5

cyclopent-3-ene-1-carbonitrile

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
With sodium hydroxide
cyclopentene-(3)-carbaldehyde-(1)

cyclopentene-(3)-carbaldehyde-(1)

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
With barium dihydroxide; water; silver(l) oxide
With sodium hydroxide at 350℃;
Cyclopent-3-ene-1,1-dicarboxylic acid diethyl ester
21622-00-4

Cyclopent-3-ene-1,1-dicarboxylic acid diethyl ester

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: KOH / H2O; ethanol / 6 h / Heating
2: 180 °C
View Scheme
cyclopent-3-enol
14320-38-8

cyclopent-3-enol

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: (i) TsCl, Py, (ii) /BRN= 3587243/
2: aq. NaOH
View Scheme
diallylmalonic acid diethyl ester
3195-24-2

diallylmalonic acid diethyl ester

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: water; potassium hydroxide / ethanol / 4 h / Reflux
2: neat (no solvent) / 3 h / 140 °C / Microwave irradiation
3: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 1 h / 40 °C / Schlenk technique
View Scheme
2,2-diallylmalonic acid
4372-31-0

2,2-diallylmalonic acid

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: neat (no solvent) / 3 h / 140 °C / Microwave irradiation
2: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 1 h / 40 °C / Schlenk technique
View Scheme
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

methyl iodide
74-88-4

methyl iodide

1-Methylcyclopent-3-ene-1-carboxylic acid
124346-92-5

1-Methylcyclopent-3-ene-1-carboxylic acid

Conditions
ConditionsYield
Stage #1: 3-cyclopentene-1-carboxylic acid With lithium diisopropyl amide In tetrahydrofuran; n-heptane; ethylbenzene at -30 - 25℃; for 15h;
Stage #2: methyl iodide In tetrahydrofuran; n-heptane; ethylbenzene at -30 - 25℃; for 2h;
100%
Stage #1: 3-cyclopentene-1-carboxylic acid With lithium diisopropyl amide In tetrahydrofuran; hexane at -78 - 20℃; for 12h; Inert atmosphere;
Stage #2: methyl iodide In tetrahydrofuran; hexane at -40 - 20℃; for 18h; Inert atmosphere;
87%
Stage #1: 3-cyclopentene-1-carboxylic acid With tert.-butyl lithium In tetrahydrofuran at -78℃; for 1.5h; Inert atmosphere;
Stage #2: methyl iodide In tetrahydrofuran at -78℃;
70%
methanol
67-56-1

methanol

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

methyl cyclopent-3-ene-1-carboxylate
58101-60-3

methyl cyclopent-3-ene-1-carboxylate

Conditions
ConditionsYield
Stage #1: 3-cyclopentene-1-carboxylic acid With 1,1'-carbonyldiimidazole In dichloromethane at 0 - 20℃; for 4h;
Stage #2: methanol In dichloromethane
99%
With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide85%
With sulfuric acid at 0 - 80℃; for 6h;80%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

cyclopentanecarboxylic acid
3400-45-1

cyclopentanecarboxylic acid

Conditions
ConditionsYield
With palladium diacetate; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In dichloromethane at 25℃; for 12h; Schlenk technique; Inert atmosphere;99%
With palladium diacetate; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In dichloromethane at 25℃; for 12h; Sealed tube; Inert atmosphere; chemoselective reaction;99%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

4-(hydroxymethyl)cyclopentene
25125-21-7

4-(hydroxymethyl)cyclopentene

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 23℃; for 0.5h;98%
With lithium aluminium tetrahydride In diethyl ether for 6h; Heating;97%
With lithium aluminium tetrahydride In tetrahydrofuran at 66℃; for 6h; Reduction;95%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

(3S*,4S*)-3,4-dibromocyclopentanecarboxylic acid
89415-65-6, 140451-75-8

(3S*,4S*)-3,4-dibromocyclopentanecarboxylic acid

Conditions
ConditionsYield
With Oxalyl bromide; dimethyl sulfoxide In dichloromethane at -10 - 20℃; Inert atmosphere; stereoselective reaction;96%
With hydrogen bromide; dimethyl sulfoxide In chloroform; water at 65℃; for 12h;61%
With bromine In cyclohexane
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

N,O-dimethylhydroxylamine*hydrochloride
6638-79-5

N,O-dimethylhydroxylamine*hydrochloride

cyclopent-3-enecarboxylic acid methoxy-methyl-amide
248275-70-9

cyclopent-3-enecarboxylic acid methoxy-methyl-amide

Conditions
ConditionsYield
Stage #1: 3-cyclopentene-1-carboxylic acid With 1,1'-carbonyldiimidazole In dichloromethane for 0.75h;
Stage #2: N,O-dimethylhydroxylamine*hydrochloride In dichloromethane
96%
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; Inert atmosphere;71%
Stage #1: 3-cyclopentene-1-carboxylic acid With 1,1'-carbonyldiimidazole In dichloromethane at 0℃; for 0.5h; Inert atmosphere; Sealed tube;
Stage #2: N,O-dimethylhydroxylamine*hydrochloride In dichloromethane at 0 - 20℃; Inert atmosphere; Sealed tube;
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

methyl iodide
74-88-4

methyl iodide

methyl cyclopent-3-ene-1-carboxylate
58101-60-3

methyl cyclopent-3-ene-1-carboxylate

Conditions
ConditionsYield
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; for 16h;96%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 16h;96%
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; for 16h;96%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 16h; Schlenk technique; Inert atmosphere;87%
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 16h;86%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

hexan-1-ol
111-27-3

hexan-1-ol

hexyl 3-cyclopentene-1-carboxylate

hexyl 3-cyclopentene-1-carboxylate

Conditions
ConditionsYield
With glucose-diphenylaminium tosylate-derived carbon solid acid (GDTCSA) In n-heptane at 80℃; for 5h;96%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

(1RS,4SR,6RS)-6-bromo-2-oxabicyclo<2.2.1>heptan-3-one
130505-94-1

(1RS,4SR,6RS)-6-bromo-2-oxabicyclo<2.2.1>heptan-3-one

Conditions
ConditionsYield
With trimethylsilyl bromide; N-ethyl-N,N-diisopropylamine In 1,4-dioxane; dimethyl sulfoxide for 12h; Heating;95%
With trimethylsilyl bromide; dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine In chloroform for 12h; Heating;40%
With trimethylsilyl bromide; dimethyl sulfoxide; N-ethyl-N,N-diisopropylamine In chloroform for 12h; Heating;40%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

benzyl bromide
100-39-0

benzyl bromide

benzyl cyclopent‐3‐ene‐1‐carboxylate
130762-09-3

benzyl cyclopent‐3‐ene‐1‐carboxylate

Conditions
ConditionsYield
With potassium carbonate In acetone at 60℃; for 2h;95%
With potassium carbonate In N,N-dimethyl-formamide at 20℃;94%
With tetra-(n-butyl)ammonium iodide; sodium hydrogencarbonate In dichloromethane; water at 20℃; for 16h;70%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

benzyl cyclopent‐3‐ene‐1‐carboxylate
130762-09-3

benzyl cyclopent‐3‐ene‐1‐carboxylate

Conditions
ConditionsYield
With potassium carbonate In [(2)H6]acetone; ethyl acetate; Petroleum ether95%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

(E)-(5-bromopent-3-en-1-yl)benzene
129413-75-8, 138847-69-5

(E)-(5-bromopent-3-en-1-yl)benzene

(E)-1-(5-phenylpent-2-en-1-yl)cyclopent-3-ene-1-carboxylic acid

(E)-1-(5-phenylpent-2-en-1-yl)cyclopent-3-ene-1-carboxylic acid

Conditions
ConditionsYield
Stage #1: 3-cyclopentene-1-carboxylic acid With lithium diisopropyl amide In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere;
Stage #2: (E)-(5-bromopent-3-en-1-yl)benzene In tetrahydrofuran; hexane at -40 - 20℃; Inert atmosphere;
92%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

1-methyl-1-phenylethyl 2,2,2-trichloroacetimidoate
147221-33-8

1-methyl-1-phenylethyl 2,2,2-trichloroacetimidoate

2-phenylpropan-2-yl cyclopent-3-enecarboxylate
1105703-39-6

2-phenylpropan-2-yl cyclopent-3-enecarboxylate

Conditions
ConditionsYield
In dichloromethane; cyclohexane at 20℃; for 16h;90%
ethanol
64-17-5

ethanol

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

ethyl 3-cyclopentene-1-carboxylate
21622-01-5

ethyl 3-cyclopentene-1-carboxylate

Conditions
ConditionsYield
With thionyl chloride at 5 - 20℃; for 1.5h;89.42%
With thionyl chloride at 5 - 20℃; for 0.5h;84%
With thionyl chloride at -10℃; for 4h; Inert atmosphere; Schlenk technique; Reflux;80%
With thionyl chloride at 0 - 20℃;54%
With thionyl chloride at 10 - 35℃;
2-methyl-3-bromo-1-propene
1458-98-6

2-methyl-3-bromo-1-propene

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

1-(2-methylallyl)cyclopent-3-ene-1-carboxylic acid

1-(2-methylallyl)cyclopent-3-ene-1-carboxylic acid

Conditions
ConditionsYield
Stage #1: 3-cyclopentene-1-carboxylic acid With lithium diisopropyl amide In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere;
Stage #2: 2-methyl-3-bromo-1-propene In tetrahydrofuran; hexane at -40 - 20℃; Inert atmosphere;
89%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

3-amino-6-bromo-isothiazolo[4,3-b]pyridine

3-amino-6-bromo-isothiazolo[4,3-b]pyridine

N-(6-bromo-isothiazolo[4,3-b]pyridin-3-yl)cyclopent-3-enecarboxamide

N-(6-bromo-isothiazolo[4,3-b]pyridin-3-yl)cyclopent-3-enecarboxamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃;89%
1-iodo-3-chloro-propane
6940-76-7

1-iodo-3-chloro-propane

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

1-(3-chloropropyl)cyclopent-3-ene-1-carboxylic acid

1-(3-chloropropyl)cyclopent-3-ene-1-carboxylic acid

Conditions
ConditionsYield
Stage #1: 3-cyclopentene-1-carboxylic acid With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -10 - 20℃; for 2h; Inert atmosphere;
Stage #2: 1-iodo-3-chloro-propane In tetrahydrofuran at -10 - 0℃; for 0.5h; Inert atmosphere;
89%
Stage #1: 3-cyclopentene-1-carboxylic acid With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -20 - 20℃;
Stage #2: 1-iodo-3-chloro-propane In tetrahydrofuran; hexane at -20 - 20℃;
2-Naphthalenemethanol
1592-38-7

2-Naphthalenemethanol

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

naphthalen-2-ylmethyl cyclopent-3-enecarboxylate

naphthalen-2-ylmethyl cyclopent-3-enecarboxylate

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; Inert atmosphere;88%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

aniline
62-53-3

aniline

3-cyclopentenecarboxylic acid phenyl amide
7686-79-5

3-cyclopentenecarboxylic acid phenyl amide

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere;87%
Stage #1: 3-cyclopentene-1-carboxylic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 1h;
Stage #2: aniline With dmap In dichloromethane at 20℃; for 16h;
N-hydroxyphthalimide

N-hydroxyphthalimide

3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

1,3-dioxoisoindolin-2-yl cyclopent-3-ene-1-carboxylate

1,3-dioxoisoindolin-2-yl cyclopent-3-ene-1-carboxylate

Conditions
ConditionsYield
With dmap; diisopropyl-carbodiimide In DClO4 for 12h; Inert atmosphere;86%
With dmap; diisopropyl-carbodiimide In dichloromethane for 1h;60%
With dmap; diisopropyl-carbodiimide In dichloromethane at 20℃;46%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

cyclopent-3-ene-1-carboxylic acid chloride
3744-80-7

cyclopent-3-ene-1-carboxylic acid chloride

Conditions
ConditionsYield
With thionyl chloride Heating;85%
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 0 - 20℃; for 5h; Chlorination;80%
With thionyl chloride
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

trans-3,4-dichlorocyclopentanecarboxylic acid

trans-3,4-dichlorocyclopentanecarboxylic acid

Conditions
ConditionsYield
With oxalyl dichloride; 1,1'-sulfinylbisbenzene In dichloromethane at -78 - 20℃; for 1h; Inert atmosphere;85%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

isobutene
115-11-7

isobutene

tert-butyl cyclopent-3-ene-1-carboxylate
84694-13-3

tert-butyl cyclopent-3-ene-1-carboxylate

Conditions
ConditionsYield
With sulfuric acid In diethyl ether for 96h; Ambient temperature;84%
With sulfuric acid In diethyl ether at -78 - 20℃; for 96h; Sealed tube;16.98 g
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

N,N-dimethylethylenediamine
108-00-9

N,N-dimethylethylenediamine

C10H17NO2

C10H17NO2

Conditions
ConditionsYield
Stage #1: 3-cyclopentene-1-carboxylic acid With 4-methyl-morpholine In tetrahydrofuran at 0℃; for 0.166667h;
Stage #2: With isobutyl chloroformate In tetrahydrofuran for 0.25h;
Stage #3: N,N-dimethylethylenediamine In tetrahydrofuran for 2h;
84%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

tert-butyl alcohol
75-65-0

tert-butyl alcohol

tert-butyl cyclopent-3-ene-1-carboxylate
84694-13-3

tert-butyl cyclopent-3-ene-1-carboxylate

Conditions
ConditionsYield
Stage #1: 3-cyclopentene-1-carboxylic acid With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 5 - 20℃;
Stage #2: tert-butyl alcohol With triethylamine In dichloromethane at 5 - 20℃;
83%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

N-ethyl-N-phenylamine
103-69-5

N-ethyl-N-phenylamine

N-ethyl-N-phenylcyclopent-3-ene-1-carboxamide

N-ethyl-N-phenylcyclopent-3-ene-1-carboxamide

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; Inert atmosphere;83%
3-cyclopentene-1-carboxylic acid
7686-77-3

3-cyclopentene-1-carboxylic acid

isopropyl alcohol
67-63-0

isopropyl alcohol

isopropyl cyclopent-3-ene-1-carboxylate

isopropyl cyclopent-3-ene-1-carboxylate

Conditions
ConditionsYield
With thionyl chloride at 0℃; for 5h; Inert atmosphere; Reflux;82%

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