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Shanghai Minstar Chemical Co., Ltd

5-Chloro-2-pentanone Chemical Properties Boiling point 71-72 °C/20 mmHg (lit.) density 1.057 g/mL at 25 °C (lit.) refractive index n20/D 1.438(lit.) Fp 96 °F storage temp. 2-8°C solubility Soluble in chloroform

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

inquiry

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 5-Chloro-2-Pentanone supplier in China

Cas:5891-21-4

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Dayang Chem (Hangzhou) Co.,Ltd.

img src="fAppearance:Light yellow to brown pure liquid Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuti

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Lab/Research institutions

inquiry

Jinan Finer Chemical Co., Ltd

Product description: Product name 5-Chloro-2-pentanone CAS number 5891-21-4 Assay ≥98% Appearance Light yellow liquid Capacity 200mt/year Application Pharmaceutical intermedi

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

inquiry

Hefei TNJ chemical industry co.,ltd

Good products, good service. We have professional sales team working on sales service for 15 years. Good products can win good market but can not stand long without good service. We have strict sales regulation and service procedure to make sure yo

5-Chloro-2-Pentanone

Cas:5891-21-4

Min.Order:50 Kilogram

Negotiable

Type:Trading Company

inquiry

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 5-chloropentan-2-one

Cas:5891-21-4

Min.Order:1

Negotiable

Type:Other

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

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Manufacturers

inquiry

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

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

5-Chloro-2-pentanone Basic information Product Name: 5-Chloro-2-pentanone Synonyms: 3-Acetylpropyl chloride;5-chloro-2-pentanon;5-CHLORO-2-PENTANONE;5-Chloropentan-2-one;3-CHLOROPROPYL M

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

5-Chloro-2-Pentanone CAS 5891-21-4

Cas:5891-21-4

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Trading Company

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

5-Chloro-2-pentanone/ LIDE PHARMA- Factory supply / Best price

Cas:5891-21-4

Min.Order:1 Gram

FOB Price: $10.0

Type:Lab/Research institutions

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

Factory direct supply CAS 5891-21-4 with best quality

Cas:5891-21-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:1 Kilogram

FOB Price: $5.0 / 10.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name 5-Chloro-2-pentanone Synonyms 3-Acetylpropyl chloride;5-chloro-2-pentanon;5-CHLORO-2-PENTANONE;5-Chloropentan-2-one;3-CHLOROPROPYL METHYL KETONE;3-ACETYL-1-CHLOROPROPANE;ACETYLPROPYL CHLORIDE

5-Chloro-2-pentanone CAS: 5891-21-4

Cas:5891-21-4

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Henan Wentao Chemical Product Co., Ltd.

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 etc. 3) oem/odm available; 4) rea

Chloro-2-pentanCAS NO.:5891-21-4

Cas:5891-21-4

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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

5-Chloro-2-pentanone 5891-21-4

Cas:5891-21-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

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

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:1 Kilogram

FOB Price: $82.0 / 90.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

5-Chloro-2-pentanone CAS:5891-21-4 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 inter

5-Chloro-2-pentanone CAS:5891-21-4

Cas:5891-21-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

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

Factory Price 5-Chloro-2-pentanone cas 5891-21-4

Cas:5891-21-4

Min.Order:1 Kilogram

FOB Price: $70.0 / 100.0

Type:Trading Company

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

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis: Trading(Raw Mater

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:0 Metric Ton

FOB Price: $18.0 / 20.0

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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

5-CHLORO-2-PENTANONE

Cas:5891-21-4

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

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:0

Negotiable

Type:Trading Company

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

5-Chloro-2-pentanone

Cas:5891-21-4

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 5-Chloro-2-Pentanone

Cas:5891-21-4

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

5891-21-4 5-Chloro-2-Pentanone

Cas:5891-21-4

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:brown to black liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum;200kg/drum as per your request Application:Chloroquine phosphate in

5-Chloro-2-pentanone

Cas:5891-21-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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,

3-Acetylpropyl chloride

Cas:5891-21-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

5-chloro-pentan-2-one oxime
129249-33-8

5-chloro-pentan-2-one oxime

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With (Bu4N)2S2O8 In 1,2-dichloro-ethane for 1h; Heating;95%
2-Methyl-4,5-dihydrofuran
1487-15-6

2-Methyl-4,5-dihydrofuran

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With iron(III) chloride In diethyl ether under 375.038 Torr; for 2.75h; Pressure; Time; Reflux; Microwave irradiation;94.3%
3-acetyl-2-oxo-4,5-dihydrofuran
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With hydrogenchloride at 70 - 80℃; for 1.5h; Temperature; Reflux;93.02%
With hydrogenchloride; sodium hydrogencarbonate; sodium chloride In hexane; water at 110 - 115℃; for 10h; pH=7.2; Large scale;70%
With hydrogenchloride In water at 100℃; for 0.166667h;64%
With hydrogenchloride
5-Hydroxy-2-pentanone
1071-73-4

5-Hydroxy-2-pentanone

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With hydrogenchloride In water at 100℃; under 337.534 Torr; for 0.2h; Concentration;92.2%
With hydrogenchloride; water
With hydrogenchloride anschliessend Erwaermen;
2-(3-chloro-propyl)-2-ethyl-[1,3]oxathiolane

2-(3-chloro-propyl)-2-ethyl-[1,3]oxathiolane

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With bis-[(trifluoroacetoxy)iodo]benzene; sodium iodide In dichloromethane at 20℃; for 0.25h; Ring cleavage; De(monothio)acetalization;92%
acetone
67-64-1

acetone

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With trans geranyl acetone In tert-butyl methyl ether at 0℃; for 6h; Inert atmosphere;91%
1-methylcyclobutanol
20117-47-9

1-methylcyclobutanol

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With lead(IV) acetate; lithium chloride at 20 - 35℃; for 4h; Ring cleavage; oxidation; mechanical activation;85%
With lead(IV) acetate; lithium chloride In benzene at 80℃;75%
With lithium chloride In acetic acid at 100℃; electrochemical oxidation;42 % Turnov.
Multi-step reaction with 2 steps
1: sodium hypochlorite; acetic acid / 2 h / 0 °C
2: dichloromethane / 2 h / Reflux
View Scheme
5-chloropent-1-ene
928-50-7

5-chloropent-1-ene

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With dihydrogen peroxide In water; acetonitrile at 55℃; for 12h; Wacker Oxidation;83%
1-chloro-4-pentyne
14267-92-6

1-chloro-4-pentyne

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With methyl(triphenylphosphine)gold(I); carbon monoxide; sulfuric acid In methanol; water at 70℃; under 760 Torr; for 4h;72%
With carbon monoxide; water; methyl(triphenylphosphine)gold(I); sulfuric acid In methanol at 70℃; under 760.051 Torr; for 4h;72%
With triphenyl phosphite; water; methyl(triphenylphosphine)gold(I); sulfuric acid In methanol at 70℃; for 4h;23%
With methyl(triphenylphosphine)gold(I); sulfuric acid; water In methanol at 70℃; for 4h;72 %Chromat.
With (cyclohexylisocyanide)gold(I) chloride; water; potassium tetrakis(pentafluorophenyl)borate In methanol at 20℃; for 24h; Reagent/catalyst;> 99 %Chromat.
2-Methyl-4,5-dihydrofuran
1487-15-6

2-Methyl-4,5-dihydrofuran

A

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

B

1'-(2-methyltetrahydrofuryl-2)-5'-chloro-2'-pentanone

1'-(2-methyltetrahydrofuryl-2)-5'-chloro-2'-pentanone

Conditions
ConditionsYield
With hydrogenchloride at 0℃; for 0.25h;A 13%
B 53%
3, 5-dichloro-2-pentanone
58371-98-5

3, 5-dichloro-2-pentanone

A

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

B

Cyclopropyl methyl ketone
765-43-5

Cyclopropyl methyl ketone

Conditions
ConditionsYield
With tetraethylammonium tosylate In dimethyl sulfoxide electrolysis;A 36%
B 51%
Methyltriphenylphosphonium bromide
1779-49-3

Methyltriphenylphosphonium bromide

N-Methyl-N-methoxy-4-chlorobutanamide
64214-66-0

N-Methyl-N-methoxy-4-chlorobutanamide

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran; hexane at -15℃;
Stage #2: N-Methyl-N-methoxy-4-chlorobutanamide In tetrahydrofuran; hexane at -78 - 20℃; Wittig reaction;
Stage #3: With hydrogenchloride In tetrahydrofuran; diethyl ether; hexane at 20℃;
51%
2-methyl-3-chlorotetrahydrofuran
30672-41-4

2-methyl-3-chlorotetrahydrofuran

A

2-Methyl-4,5-dihydrofuran
1487-15-6

2-Methyl-4,5-dihydrofuran

B

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
at 200℃; for 1h;A 3%
B 35%
5-(1-Amino-4-chloro-butylidene)-2,2-dimethyl-[1,3]dioxane-4,6-dione
77570-28-6

5-(1-Amino-4-chloro-butylidene)-2,2-dimethyl-[1,3]dioxane-4,6-dione

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With hydrogenchloride Heating;24%
2,5-dichloro-2-pentene
20177-02-0

2,5-dichloro-2-pentene

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With sulfuric acid beim folgenden Zersetzen mit Wasser;
2-cyclopropyl-2-hydroxy-propionitrile
4111-11-9

2-cyclopropyl-2-hydroxy-propionitrile

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With hydrogenchloride at 50 - 60℃;
cyclopropane
75-19-4

cyclopropane

acetyl chloride
75-36-5

acetyl chloride

A

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

B

4-chloro-3-methyl-butan-2-one
19995-85-8

4-chloro-3-methyl-butan-2-one

Conditions
ConditionsYield
With aluminium trichloride; chloroform
formic acid
64-18-6

formic acid

1-chloro-4-pentyne
14267-92-6

1-chloro-4-pentyne

A

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

B

2-chloro-5-formyloxy-pent-1-ene

2-chloro-5-formyloxy-pent-1-ene

C

4-oxopentyl formate
63305-45-3

4-oxopentyl formate

Conditions
ConditionsYield
With perchloric acid
Cyclopropyl methyl ketone
765-43-5

Cyclopropyl methyl ketone

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With pyridine hydrochloride In acetonitrile
With hydrogenchloride at 25℃; Mechanism; Product distribution; Thermodynamic data; other hydrogen halides; aquenous and methanolic conditions; var. monosubstituted cyclopropanes; var. temp; ΔH(excit.), ΔS(excit.), ΔG(excit.), Ea;
γ-chlorobutyric acid
627-00-9

γ-chlorobutyric acid

methyllithium
917-54-4

methyllithium

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

1-chloro-4-pentyne
14267-92-6

1-chloro-4-pentyne

A

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

B

2-chloro-5-formyloxy-pent-1-ene

2-chloro-5-formyloxy-pent-1-ene

C

4-oxopentyl formate
63305-45-3

4-oxopentyl formate

Conditions
ConditionsYield
With perchloric acid In formic acid
1-chloro-4-trifluoroacetoxy-pentane
18804-32-5

1-chloro-4-trifluoroacetoxy-pentane

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
(i) LiAlH4, (ii) (oxidation); Multistep reaction;
cyclopropane
75-19-4

cyclopropane

acetyl chloride
75-36-5

acetyl chloride

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With aluminium trichloride In dichloromethane
C5H9ClO

C5H9ClO

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With iron(II) sulfate In tetrachloromethane for 0.5h; Yield given;
In dichloromethane for 2h; Mechanism; Reflux;
1-methylcyclobutanol
20117-47-9

1-methylcyclobutanol

A

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

B

1-methylcyclobutanol acetate
20434-37-1

1-methylcyclobutanol acetate

C

2-Pentanone
107-87-9

2-Pentanone

Conditions
ConditionsYield
With sodium acetate; lithium chloride In acetic acid at 50℃; Product distribution; other reaction products at different reagents and conditions of electrolysis;A 43 % Turnov.
B 20 % Turnov.
C 8 % Turnov.
1-chloro-4-pentyne
14267-92-6

1-chloro-4-pentyne

A

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

B

5-chloro-pentanal
20074-80-0

5-chloro-pentanal

Conditions
ConditionsYield
With water; RuCl2(C6H6)(PPh2(C6F5)); (pentafluorophenyl)diphenylphosphine In ethanol at 70℃; for 40h; Title compound not separated from byproducts;A 0.9 % Chromat.
B 60 % Chromat.
With water; RuCl2(C6H6)(PPh2(C6F5)); (pentafluorophenyl)diphenylphosphine In ethanol at 70℃; for 40h; Title compound not separated from byproducts;A 0.9 % Chromat.
B 60 % Chromat.
hydrogenchloride
7647-01-0

hydrogenchloride

3-acetyl-2-oxo-4,5-dihydrofuran
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

hydrogenchloride
7647-01-0

hydrogenchloride

3-acetyl-2-oxo-4,5-dihydrofuran
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

acetic acid
64-19-7

acetic acid

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
at 90℃;
α-acetyl-γ-butyrolactone

α-acetyl-γ-butyrolactone

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

Conditions
ConditionsYield
With hydrogenchloride
With hydrogenchloride; acetic acid at 80 - 85℃;
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

sodium cyanide
773837-37-9

sodium cyanide

benzylamine
100-46-9

benzylamine

1-benzyl-2-methylpyrrolidine-2-carbonitrile
1310563-79-1

1-benzyl-2-methylpyrrolidine-2-carbonitrile

Conditions
ConditionsYield
With acetic acid In water; tert-butyl alcohol at 50℃; for 2h; Temperature; Solvent;100%
With acetic acid In water; tert-butyl alcohol at 50℃; for 2h; Time; Solvent;
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

5-chloro-2-pentanol
15146-94-8

5-chloro-2-pentanol

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol at 10℃; for 3h; Reduction;98%
With sodium tetrahydroborate In ethanol at 0℃; for 3h;90%
With sodium tetrahydroborate In ethanol at 0 - 20℃; for 2h;79%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

trimethyl orthoformate
149-73-5

trimethyl orthoformate

1-chloro-4,4-dimethoxypentane
56519-61-0

1-chloro-4,4-dimethoxypentane

Conditions
ConditionsYield
With p-toluenesulfonic acid monohydrate In methanol for 6h; Ambient temperature;98%
With toluene-4-sulfonic acid In methanol at 70℃; Inert atmosphere;93%
With toluene-4-sulfonic acid In methanol92%
propylamine
107-10-8

propylamine

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

1-ethynyl-3-methoxybenzene
768-70-7

1-ethynyl-3-methoxybenzene

2-((3-methoxyphenyl)ethynyl)-2-methyl-1-propylpyrrolidine

2-((3-methoxyphenyl)ethynyl)-2-methyl-1-propylpyrrolidine

Conditions
ConditionsYield
With copper(I) oxide In acetonitrile at 60℃; for 24h; Inert atmosphere;98%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

1-(trimethylsilyl)-1H-benzotriazole
43183-36-4

1-(trimethylsilyl)-1H-benzotriazole

(1-benzotriazolyl)-5 pentanone-2
74045-59-3

(1-benzotriazolyl)-5 pentanone-2

Conditions
ConditionsYield
at 110℃; for 24h;96%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

C11H17O2Cl
253188-50-0

C11H17O2Cl

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene96%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

5-(2-aminophenyl)-1H-pyrazole
111562-32-4

5-(2-aminophenyl)-1H-pyrazole

C14H15N3

C14H15N3

Conditions
ConditionsYield
With acetic acid for 3h; Reflux;96%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

carbon monoxide
201230-82-2

carbon monoxide

sec.-butyllithium
598-30-1

sec.-butyllithium

2-(2-methylbutanoyl)-2-methyltetrahydrofuran
87013-37-4

2-(2-methylbutanoyl)-2-methyltetrahydrofuran

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether; pentane 1.) -110 deg C, 2.) 47 deg C, 2 h;95%
In tetrahydrofuran; diethyl ether; pentane a) -110 deg C, 2 h, then to r.t. during 1 h, b) 47 deg C, 2 h;95%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

5-azidopentan-2-one
84702-73-8

5-azidopentan-2-one

Conditions
ConditionsYield
With sodium azide; sodium iodide In dimethyl sulfoxide at 55℃; for 18h;95%
With sodium azide In dimethyl sulfoxide at 60℃; for 18h;90%
With sodium azide; sodium iodide In dimethyl sulfoxide at 50℃; for 18h; Substitution;90%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

5-methyl-2-nitrobenzamide
4315-12-2

5-methyl-2-nitrobenzamide

3a,7-dimethyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one
1234323-95-5

3a,7-dimethyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

Conditions
ConditionsYield
With titanium tetrachloride; zinc In tetrahydrofuran for 0.333333h; Inert atmosphere; Reflux;95%
With tin(II) chloride dihdyrate In ethanol Reflux;80%
propylamine
107-10-8

propylamine

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

4-ethynyl-N,N-dimethylaniline
17573-94-3

4-ethynyl-N,N-dimethylaniline

N,N-dimethyl-4-((2-methyl-1-propylpyrrolidin-2-yl)ethynyl)aniline

N,N-dimethyl-4-((2-methyl-1-propylpyrrolidin-2-yl)ethynyl)aniline

Conditions
ConditionsYield
With copper(I) oxide In acetonitrile at 60℃; for 24h; Inert atmosphere;95%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

2-(Ethylamino)ethanol
110-73-6

2-(Ethylamino)ethanol

5-(N-ethyl-N-2-hydroxyethylamine)-2-pentanone
74509-79-8

5-(N-ethyl-N-2-hydroxyethylamine)-2-pentanone

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium hydroxide In chloroform; water at 20 - 30℃; for 3h;94.7%
With sodium chloride; xylene
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

ethylene glycol
107-21-1

ethylene glycol

1-chloro-4-(1,3-dioxolane)-n-pentane
5978-08-5

1-chloro-4-(1,3-dioxolane)-n-pentane

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 4h; Solvent; Reflux;94.6%
With toluene-4-sulfonic acid In toluene for 24h; Heating;92%
With toluene-4-sulfonic acid In toluene for 24h; Reflux; Dean-Stark;92%
5-chloro-2-pentanone

5-chloro-2-pentanone

5-Chloro-2-(1H-pyrazol-5-yl)aniline
15463-66-8

5-Chloro-2-(1H-pyrazol-5-yl)aniline

C14H14ClN3

C14H14ClN3

Conditions
ConditionsYield
With acetic acid for 4h; Reflux;94%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

C15H16ClN3O

C15H16ClN3O

7-chloro-4-((2-ethylphenyl)amino)-3a-methyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

7-chloro-4-((2-ethylphenyl)amino)-3a-methyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

Conditions
ConditionsYield
With iodine; 1-n-butyl-3-methylimidazolim bromide at 80℃; for 10h; Ionic liquid; Green chemistry; chemoselective reaction;94%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

1-trimethylsilylpyrazole
18156-75-7

1-trimethylsilylpyrazole

(1-pyrazolyl)-5 pentanone-2

(1-pyrazolyl)-5 pentanone-2

Conditions
ConditionsYield
at 100℃; for 18h;93%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

thiophenol
108-98-5

thiophenol

5-(phenylsulfenyl)-2-pentanone
81358-55-6

5-(phenylsulfenyl)-2-pentanone

Conditions
ConditionsYield
With sodium hydroxide In water at 80℃; for 30h;93%
1,3-Benzothiazole
95-16-9

1,3-Benzothiazole

5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

2-(2-methyltetrahydrofuran-2-yl)benzo[d]thiazole
120822-01-7

2-(2-methyltetrahydrofuran-2-yl)benzo[d]thiazole

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane -78 deg C, 50 min; RT, 2 h;92%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

carbon monoxide
201230-82-2

carbon monoxide

2-Pentanoyl-2-methyltetrahydrofuran
87013-36-3

2-Pentanoyl-2-methyltetrahydrofuran

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether; pentane 1.) -110 deg C, 2.) 47 deg C, 2 h;92%
In tetrahydrofuran; diethyl ether; pentane a) -110 deg C, 2 h, then to r.t. during 1 h, b) 47 deg C, 2 h;92%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

2-nitrobenzamide
610-15-1

2-nitrobenzamide

(+/-)-3a-methyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one
23447-24-7

(+/-)-3a-methyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

Conditions
ConditionsYield
With titanium tetrachloride; zinc In tetrahydrofuran for 0.333333h; Inert atmosphere; Reflux;92%
With tin(II) chloride dihdyrate In ethanol Reflux;85%
With iron; acetic acid at 105 - 115℃; Inert atmosphere;73%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

4,5-dichloro-2-nitrobenzamide
952737-76-7

4,5-dichloro-2-nitrobenzamide

8-choro-3a-methyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one
1313231-71-8

8-choro-3a-methyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

Conditions
ConditionsYield
With titanium tetrachloride; zinc In tetrahydrofuran for 0.333333h; Inert atmosphere; Reflux;92%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

2-amino-N-(4-methylphenyl)benzamide
32212-38-7

2-amino-N-(4-methylphenyl)benzamide

3a-methyl-4-(p-tolyl)-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one
1234324-00-5

3a-methyl-4-(p-tolyl)-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

Conditions
ConditionsYield
With iodine; 1-n-butyl-3-methylimidazolim bromide at 80℃; for 8h; Green chemistry;92%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

C16H16N2O3
1372676-44-2

C16H16N2O3

3a-methyl-4-(2-piperonylmethyl)-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

3a-methyl-4-(2-piperonylmethyl)-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

Conditions
ConditionsYield
With iodine; 1-n-butyl-3-methylimidazolim bromide at 80℃; for 7h; Green chemistry;92%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

2-amino-N'-phenylbenzohydrazide
30086-49-8

2-amino-N'-phenylbenzohydrazide

3a-methyl-4-(phenylamino)-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

3a-methyl-4-(phenylamino)-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

Conditions
ConditionsYield
With iodine; 1-n-butyl-3-methylimidazolim bromide at 80℃; for 12h; Ionic liquid; Green chemistry; chemoselective reaction;92%
5-chloro-2-pentanone
5891-21-4

5-chloro-2-pentanone

C13H11Cl2N3O

C13H11Cl2N3O

7-chloro-4-((3-chlorophenyl)amino)-3a-methyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

7-chloro-4-((3-chlorophenyl)amino)-3a-methyl-2,3,3a,4-tetrahydropyrrolo[1,2-a]quinazolin-5(1H)-one

Conditions
ConditionsYield
With iodine; 1-n-butyl-3-methylimidazolim bromide at 80℃; for 12h; Ionic liquid; Green chemistry; chemoselective reaction;92%
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