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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

2,4-Dimethyl-3-ethylpyrrole Manufacturer/High quality/Best price/In stock

Cas:517-22-6

Min.Order:1 Kilogram

FOB Price: $3.0

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-Ethyl-2,4-Dimethylpyrrole

Cas:517-22-6

Min.Order:1

Negotiable

Type:Other

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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

Factory Price 99% Food Grade 2,4-Dimethyl-3-ethyl-1H-pyrrole 517-22-6 Kosher Manufacturer

Cas:517-22-6

Min.Order:1 Gram

FOB Price: $0.1

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

2,4-Dimethyl-3-ethyl-1H-pyrrole

Cas:517-22-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 2,4-Dimethyl-3-ethylpyrrole CAS No. 517-22-6

2,4-Dimethyl-3-ethylpyrrole

Cas:517-22-6

Min.Order:1 Metric Ton

FOB Price: $12.0

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

Manufacturer supply CAS 517-22-6 with best quality

Cas:517-22-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

1H-Pyrrole,3-ethyl-2,4-dimethyl-

Cas:517-22-6

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-Ethyl-2,4-dimethylpyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Manufacturers

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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

2,4-Dimethyl-3-ethyl-1H-pyrrole

Cas:517-22-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

2,4-Dimethyl-3-ethylpyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

2,4-Dimethyl-3-ethyl-1H-pyrrole 517-22-6

Cas:517-22-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

2,4-Dimethyl-3-ethyl-1H-pyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Trading Company

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Win-Win chemical Co.Ltd

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

2,4-Dimethyl-3-ethyl-1H-pyrrole cas no. 517-22-6 98%

Cas:517-22-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

2,4-Dimethyl-3-ethylpyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Other

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GIHI CHEMICALS CO.,LIMITED

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

2,4-Dimethyl-3-ethyl-1H-pyrrole

Cas:517-22-6

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-Ethyl-2,4-diMethylpyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

3-Ethyl-2,4-Dimethylpyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Manufacturers

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

2,4-Dimethyl-3-ethylpyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Manufacturers

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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

2,4-Dimethyl-3-ethylpyrrole

Cas:517-22-6

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

2,4-DiMethyl-3-ethylpyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen AmoyChem Co.,Ltd

Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi

3-Ethyl-2,4-dimethylpyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Fandachem Co.,Ltd

2,4-Dimethyl-3-ethylpyrrole cas 517-22-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2,4-Dimethyl-3-ethylpyrrole cas 517-22-6

Cas:517-22-6

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low priceAppearance:clear yellow to red-brown liquid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

2,4-Dimethyl-3-ethylpyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

517-22-6 Application:intermediate

2,4-Dimethyl-3-ethylpyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

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

2,4-Dimethyl-3-ethyl-1H-pyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Other

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

2,4-Dimethyl-3-ethylpyrrole 517-22-6

Cas:517-22-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Scochem Technology Co., Ltd.

High quality suppliers Application:healing drugs

2,4-Dimethyl-3-ethyl-1H-pyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica

3-Ethyl-2,4-dimethylpyrrole manufacturer

Cas:517-22-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shenzhen Foris Technology Co. LTD

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

2,4-Dimethyl-3-ethylpyrrole 517-22-6

Cas:517-22-6

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

2,4-Dimethyl-3-ethyl-1H-pyrrole

Cas:517-22-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

ethyl 3,5-dimethyl-4-ethylpyrrole-2-carboxylate
2199-47-5

ethyl 3,5-dimethyl-4-ethylpyrrole-2-carboxylate

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
With sodium hydroxide In ethylene glycol for 1h; Heating;100%
With potassium hydroxide In ethylene glycol for 5h; Heating;80%
With ethylene glycol; potassium hydroxide; hydrazinium sulfate In tetrahydrofuran for 2h; Reflux;76%
With sodium hydroxide In methanol; water for 2h; Heating;17%
With ethylene glycol; potassium hydroxide
ethyl 4-acetyl-3,5-dimethylpyrrole-2-carboxylate
2386-26-7

ethyl 4-acetyl-3,5-dimethylpyrrole-2-carboxylate

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
With potassium hydroxide; hydrazine hydrate In diethylene glycol for 3h; Heating;82%
With potassium hydroxide; hydrazine hydrate In diethylene glycol Heating;75%
With sodium ethanolate; hydrazine hydrate at 165 - 170℃; im Autoklaven;
2,4-dimethyl-3-acetylpyrrole
2386-25-6

2,4-dimethyl-3-acetylpyrrole

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
With lithium aluminium tetrahydride81%
With lithium aluminium tetrahydride In tetrahydrofuran for 4.5h; Heating;75%
With lithium aluminium tetrahydride In tetrahydrofuran at 85℃; for 4h;60%
4-ethyl-3,5-dimethylpyrrole-2-carbaldehyde
1500-91-0

4-ethyl-3,5-dimethylpyrrole-2-carbaldehyde

A

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

B

2-hydroxyethyl acetate
542-59-6

2-hydroxyethyl acetate

Conditions
ConditionsYield
With ethylene glycol; toluene-4-sulfonic acid In benzene for 0.25h; Heating;A 35%
B n/a
1-(2,4-dimethyl-pyrrol-3-yl)-ethanone-hydrazone

1-(2,4-dimethyl-pyrrol-3-yl)-ethanone-hydrazone

sodium ethanolate
141-52-6

sodium ethanolate

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
at 150 - 160℃;
hemin

hemin

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
With hydrogen iodide; acetic acid
ethyl 4-acetyl-3,5-dimethylpyrrole-2-carboxylate
2386-26-7

ethyl 4-acetyl-3,5-dimethylpyrrole-2-carboxylate

A

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

B

3-ethyl-2,4-dimethyl-pyrrol-1-ylamine

3-ethyl-2,4-dimethyl-pyrrol-1-ylamine

Conditions
ConditionsYield
With sodium ethanolate; hydrazine hydrate
benzyl 4-ethyl-3,5-dimethylpyrrole-2-carboxylate
1925-61-7

benzyl 4-ethyl-3,5-dimethylpyrrole-2-carboxylate

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
With methanol; nickel at 120℃; under 73550.8 Torr; Hydrogenation;
2-(4-ethyl-3,5-dimethyl-pyrrole-2-carbonyl)-benzoic acid

2-(4-ethyl-3,5-dimethyl-pyrrole-2-carbonyl)-benzoic acid

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
With hydrogen iodide; acetic acid
bilirubin
635-65-4

bilirubin

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
With hydrogen iodide; acetic acid
4-ethyl-3,5-dimethyl-1H-pyrrole-2-carboxylic acid
17106-07-9

4-ethyl-3,5-dimethyl-1H-pyrrole-2-carboxylic acid

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
at 100 - 102℃; under 20 - 22 Torr; Yield given;
γ-phylloporphyrin-XV
2644-60-2

γ-phylloporphyrin-XV

A

2,3-dimethyl-1H-pyrrole
600-28-2

2,3-dimethyl-1H-pyrrole

B

2,4-dimethyl-1H-pyrrole
625-82-1

2,4-dimethyl-1H-pyrrole

C

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

D

4-ethyl-2,3-dimethyl-1H-pyrrole
491-18-9

4-ethyl-2,3-dimethyl-1H-pyrrole

E

3-(4,5-dimethyl-pyrrol-3-yl)-propionic acid methyl ester
53365-83-6

3-(4,5-dimethyl-pyrrol-3-yl)-propionic acid methyl ester

F

methyl 2,4-dimethyl-3-pyrrolepropionate
54474-51-0

methyl 2,4-dimethyl-3-pyrrolepropionate

Conditions
ConditionsYield
With hydrogen iodide Product distribution; structural analysis by degradative techniques;
meso-porphyrin-II-dimethyl ester
62222-14-4

meso-porphyrin-II-dimethyl ester

A

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

B

4-ethyl-2,3-dimethyl-1H-pyrrole
491-18-9

4-ethyl-2,3-dimethyl-1H-pyrrole

C

3-(4,5-dimethyl-pyrrol-3-yl)-propionic acid methyl ester
53365-83-6

3-(4,5-dimethyl-pyrrol-3-yl)-propionic acid methyl ester

D

methyl 2,4-dimethyl-3-pyrrolepropionate
54474-51-0

methyl 2,4-dimethyl-3-pyrrolepropionate

Conditions
ConditionsYield
With hydrogen iodide Product distribution; structural analysis by degradative techniques;
etioporphyrin III
26608-34-4

etioporphyrin III

A

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

B

4-ethyl-2,3-dimethyl-1H-pyrrole
491-18-9

4-ethyl-2,3-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With hydrogen iodide Product distribution; structural analysis by degradative techniques;
ethioporphyrin I
448-71-5

ethioporphyrin I

A

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

B

4-ethyl-2,3-dimethyl-1H-pyrrole
491-18-9

4-ethyl-2,3-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With hydrogen iodide Product distribution; structural analysis by degradative technique;
mesoporphyrin IX DME
1263-63-4

mesoporphyrin IX DME

A

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

B

4-ethyl-2,3-dimethyl-1H-pyrrole
491-18-9

4-ethyl-2,3-dimethyl-1H-pyrrole

C

3-(4,5-dimethyl-pyrrol-3-yl)-propionic acid methyl ester
53365-83-6

3-(4,5-dimethyl-pyrrol-3-yl)-propionic acid methyl ester

D

methyl 2,4-dimethyl-3-pyrrolepropionate
54474-51-0

methyl 2,4-dimethyl-3-pyrrolepropionate

Conditions
ConditionsYield
With hydrogen iodide Product distribution; structural analysis by degradative techniques;
3.5-dimethyl-4-vinyl-pyrrole-carboxylic acid-(2)

3.5-dimethyl-4-vinyl-pyrrole-carboxylic acid-(2)

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
With methanol; platinum Hydrogenation;
4-methyl-3-ethyl-pyrrol-aldehyde-(2)

4-methyl-3-ethyl-pyrrol-aldehyde-(2)

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
With sodium ethanolate; hydrazine hydrate at 160 - 165℃; unter Druck;
bilirubinic acid

bilirubinic acid

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
With hydrogen iodide; acetic acid
5-bromo-5'-bromomethyl-3,4'-diethyl-4,3'-dimethyl-1H,2'H-2,2'-methanylylidene-bis-pyrrole

5-bromo-5'-bromomethyl-3,4'-diethyl-4,3'-dimethyl-1H,2'H-2,2'-methanylylidene-bis-pyrrole

hydrogen iodide
10034-85-2

hydrogen iodide

acetic acid
64-19-7

acetic acid

A

3-ethyl-4-methyl-1H-pyrrole
488-92-6

3-ethyl-4-methyl-1H-pyrrole

B

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

C

3-ethyl-2,4,5-trimethyl-1H-pyrrole
520-69-4

3-ethyl-2,4,5-trimethyl-1H-pyrrole

hydrogen iodide
10034-85-2

hydrogen iodide

(3-ethyl-5-bromo-4-methyl-pyrrol-2-yl)-(4-ethyl-3,5-dimethyl-pyrrol-2-ylidene)-methane; tribromoide
49619-17-2

(3-ethyl-5-bromo-4-methyl-pyrrol-2-yl)-(4-ethyl-3,5-dimethyl-pyrrol-2-ylidene)-methane; tribromoide

acetic acid
64-19-7

acetic acid

A

3-ethyl-4-methyl-1H-pyrrole
488-92-6

3-ethyl-4-methyl-1H-pyrrole

B

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

C

3-ethyl-2,4,5-trimethyl-1H-pyrrole
520-69-4

3-ethyl-2,4,5-trimethyl-1H-pyrrole

3-ethyl-2,4-pentanedione
1540-34-7

3-ethyl-2,4-pentanedione

selenacetylacetone

selenacetylacetone

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 60 percent / Zn, AcOH / 1 h / Heating
2: 80 percent / KOH / ethane-1,2-diol / 5 h / Heating
View Scheme
benzyl 4-ethyl-3,5-dimethylpyrrole-2-carboxylate
1925-61-7

benzyl 4-ethyl-3,5-dimethylpyrrole-2-carboxylate

A

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

B

<4-ethyl-5-formyl-3-methyl-pyrrol-2-yl>-carbamic acid ethyl ester

<4-ethyl-5-formyl-3-methyl-pyrrol-2-yl>-carbamic acid ethyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: H2, triethylamine / 10percent Pd/C / ethanol / 2 h
2: 100 - 102 °C / 20 - 22 Torr
View Scheme
acetylacetone
123-54-6

acetylacetone

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1) NaNO2, AcOH 2) Zn dust, AcOH / 1) H2O, 25 deg C, overnight 2) reflux, 24 h
2: 82 percent / KOH, NH2NH2*H2O / bis-(2-hydroxy-ethyl) ether / 3 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: zinc; acetic acid
2: diborane
3: ethylene glycol; potassium hydroxide
View Scheme
Multi-step reaction with 3 steps
1.1: sodium nitrite; acetic acid / water / 4 h / 20 °C / Cooling with ice
1.2: 1 h / 60 °C / Cooling with ice
2.1: potassium hydroxide / ethylene glycol / 4 h / 160 °C
3.1: lithium aluminium tetrahydride / tetrahydrofuran / 4 h / 85 °C
View Scheme
Multi-step reaction with 3 steps
1.1: acetic acid; sodium nitrite / water / 12 h / 0 - 25 °C
1.2: 1 h / 60 °C / Cooling with ice
2.1: potassium hydroxide / 1,2-dimethoxyethane / 4 h / 160 °C
3.1: lithium aluminium tetrahydride / tetrahydrofuran / 5 h / Cooling with ice; Reflux
View Scheme
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

methyl 3-(5-formyl-2,4-dimethyl-1H-pyrrol-3-yl)propanoate
18818-25-2

methyl 3-(5-formyl-2,4-dimethyl-1H-pyrrol-3-yl)propanoate

(Z)-methyl 3-(5-((4-ethyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl)-2,4-dimethyl-1H-pyrrol-3-yl)propanoate hydrobromide

(Z)-methyl 3-(5-((4-ethyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl)-2,4-dimethyl-1H-pyrrol-3-yl)propanoate hydrobromide

Conditions
ConditionsYield
With hydrogen bromide In tetrahydrofuran; methanol; water at 20℃; for 3h; Inert atmosphere;99%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

C15H5BBr6F2N2
1350764-68-9

C15H5BBr6F2N2

C31H29BBr4F2N4

C31H29BBr4F2N4

Conditions
ConditionsYield
In toluene at 20℃; for 0.5h; Inert atmosphere;98%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

ethyl (5-formyl-2,4-dimethyl-1H-pyrrole)-3-carboxylate
2199-59-9

ethyl (5-formyl-2,4-dimethyl-1H-pyrrole)-3-carboxylate

(Z)-ethyl 5-((4-ethyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylate hydrobromide

(Z)-ethyl 5-((4-ethyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylate hydrobromide

Conditions
ConditionsYield
With hydrogen bromide In tetrahydrofuran; methanol at 20℃; Inert atmosphere;98%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

2-((trifluoromethyl)thio)benzo[d]isothiazol-3(2H)-one 1,1-dioxide

2-((trifluoromethyl)thio)benzo[d]isothiazol-3(2H)-one 1,1-dioxide

3-ethyl-2,4-dimethyl-5-((trifluoromethyl)thio)-1H-pyrrole

3-ethyl-2,4-dimethyl-5-((trifluoromethyl)thio)-1H-pyrrole

Conditions
ConditionsYield
With chloro-trimethyl-silane In dichloromethane at 20℃; for 0.5h; Schlenk technique;97%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

2-((trifluoromethyl)thio)benzo[d]isothiazol-3(2H)-one 1,1-dioxide

2-((trifluoromethyl)thio)benzo[d]isothiazol-3(2H)-one 1,1-dioxide

2,4-dimethyl-3-ethyl-5-trifluoromethylpyrrole

2,4-dimethyl-3-ethyl-5-trifluoromethylpyrrole

Conditions
ConditionsYield
With chloro-trimethyl-silane In dichloromethane at 20℃; for 0.5h; Green chemistry;97%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

2-(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)propanedinitrile
117506-45-3

2-(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)propanedinitrile

2-(4-ethyl-3,5-dimethyl-1H-pyrrol-2-yl)-2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)malononitrile
137123-51-4

2-(4-ethyl-3,5-dimethyl-1H-pyrrol-2-yl)-2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)malononitrile

Conditions
ConditionsYield
In acetic acid for 2h; Ambient temperature;95%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

C18H25NO2S
1128076-99-2

C18H25NO2S

C18H33NS
1128077-15-5

C18H33NS

Conditions
ConditionsYield
With N,N-dimethyl acetamide; magnesium bromide at 90℃; for 1h;95%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

N-phenylthiophthalimide
14204-27-4

N-phenylthiophthalimide

3-ethyl-2,4-dimethyl-5-(phenylthio)-1H-pyrrole
1128077-07-5

3-ethyl-2,4-dimethyl-5-(phenylthio)-1H-pyrrole

Conditions
ConditionsYield
With N,N-dimethyl acetamide; magnesium bromide at 90℃; for 1h;95%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

2-((4-methoxyphenyl)thio)isoindoline-1,3-dione
88683-45-8

2-((4-methoxyphenyl)thio)isoindoline-1,3-dione

C15H19NOS
1128077-18-8

C15H19NOS

Conditions
ConditionsYield
With N,N-dimethyl acetamide; magnesium bromide at 90℃; for 1h;95%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

C22H23IN2O2
1227204-45-6

C22H23IN2O2

1-(5-((4-ethyl-3,5-dimethyl-1H-pyrrol-2-yl)(4-iodophenyl)methyl)-2,4-dimethyl-1H-pyrrol-3-yl)ethanone
1227204-48-9

1-(5-((4-ethyl-3,5-dimethyl-1H-pyrrol-2-yl)(4-iodophenyl)methyl)-2,4-dimethyl-1H-pyrrol-3-yl)ethanone

Conditions
ConditionsYield
With acetyl chloride In methanol at -78 - 0℃; Inert atmosphere;95%
With methanol; acetyl chloride at -78 - 0℃; for 1.5h;95%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

ethylenesulfonyl fluoride
677-25-8

ethylenesulfonyl fluoride

2-(4-ethyl-3,5-dimethyl-1H-pyrrol-2-yl)ethane-1-sulfonyl fluoride

2-(4-ethyl-3,5-dimethyl-1H-pyrrol-2-yl)ethane-1-sulfonyl fluoride

Conditions
ConditionsYield
In acetonitrile at 20℃; for 0.0833333h;95%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

boron trifluoride diethyl etherate
109-63-7

boron trifluoride diethyl etherate

4-(prop-2-ynyloxy)benzaldehyde
5651-86-5

4-(prop-2-ynyloxy)benzaldehyde

4,4-difluoro-8-(prop-2-ynyloxy)benzene-1,3,5,7-tetramethyl-2,6-diethyl-4-bora-3a,4a-diaza-s-indacene

4,4-difluoro-8-(prop-2-ynyloxy)benzene-1,3,5,7-tetramethyl-2,6-diethyl-4-bora-3a,4a-diaza-s-indacene

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-3-ethyl-pyrrole; 4-(prop-2-ynyloxy)benzaldehyde With trifluoroacetic acid In dichloromethane at 20℃; Inert atmosphere;
Stage #2: With 2,3-dicyano-5,6-dichloro-p-benzoquinone In dichloromethane at 0 - 20℃; for 0.333333h; Inert atmosphere;
Stage #3: boron trifluoride diethyl etherate With triethylamine In dichloromethane at 0 - 20℃; Inert atmosphere;
94%
Stage #1: 2,4-dimethyl-3-ethyl-pyrrole; 4-(prop-2-ynyloxy)benzaldehyde With trifluoroacetic acid In dichloromethane at 25℃; for 12h; Inert atmosphere;
Stage #2: In dichloromethane at 25℃; Inert atmosphere;
Stage #3: boron trifluoride diethyl etherate With triethylamine In dichloromethane at 25℃; for 12h; Inert atmosphere;
22%
Stage #1: 2,4-dimethyl-3-ethyl-pyrrole; 4-(prop-2-ynyloxy)benzaldehyde
Stage #2: With 2,3-dicyano-5,6-dichloro-p-benzoquinone
Stage #3: boron trifluoride diethyl etherate Alkaline conditions;
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

rac-(E)-1,3-diphenyl-3-acetoxy-prop-1-ene
87751-69-7

rac-(E)-1,3-diphenyl-3-acetoxy-prop-1-ene

(E)-4-ethyl-3,5-dimethyl-2-(1,3-diphenyl-2-propenyl)pyrrole

(E)-4-ethyl-3,5-dimethyl-2-(1,3-diphenyl-2-propenyl)pyrrole

Conditions
ConditionsYield
With bis(η3-allyl-μ-chloropalladium(II)); C34H23P; potassium carbonate In toluene; acetonitrile at -20℃; for 38h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;93%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

1-methyl-5-pyrrol-2-ylpyrrole-2-carbaldehyde
105235-04-9

1-methyl-5-pyrrol-2-ylpyrrole-2-carbaldehyde

3-ethyl-2,4,12-trimethylprodigiosene hydrochloride
105256-97-1, 105257-09-8

3-ethyl-2,4,12-trimethylprodigiosene hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol at 5℃; for 0.333333h;92%
1-{5-[(benzyl-hydroxy-amino)-phenyl-methyl]-2,4-dimethyl-1H-pyrrol-3-yl}-ethanone

1-{5-[(benzyl-hydroxy-amino)-phenyl-methyl]-2,4-dimethyl-1H-pyrrol-3-yl}-ethanone

2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

1-(5-((4-ethyl-3,5-dimethyl-1H-pyrrol-2-yl)(phenyl)methyl)-2,4-dimethyl-1H-pyrrol-3-yl)ethanone

1-(5-((4-ethyl-3,5-dimethyl-1H-pyrrol-2-yl)(phenyl)methyl)-2,4-dimethyl-1H-pyrrol-3-yl)ethanone

Conditions
ConditionsYield
With acetyl chloride In methanol at -78 - 0℃; Inert atmosphere;92%
With methanol; acetyl chloride at -78 - 0℃; for 1.5h;92%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

3,7-bis(N,N-dimethylamino)-5,5-dimethyldibenzo[b,e]silin-10(5H)-one
1290536-55-8

3,7-bis(N,N-dimethylamino)-5,5-dimethyldibenzo[b,e]silin-10(5H)-one

C27H36N3Si(1+)

C27H36N3Si(1+)

Conditions
ConditionsYield
Stage #1: 3,7-bis(N,N-dimethylamino)-5,5-dimethyldibenzo[b,e]silin-10(5H)-one With trifluoromethylsulfonic anhydride In acetonitrile at 0℃; for 0.166667h; Inert atmosphere;
Stage #2: 2,4-dimethyl-3-ethyl-pyrrole In acetonitrile at 0 - 25℃; for 0.166667h; Inert atmosphere;
90.1%
Stage #1: 3,7-bis(N,N-dimethylamino)-5,5-dimethyldibenzo[b,e]silin-10(5H)-one With trifluoromethylsulfonic anhydride
Stage #2: 2,4-dimethyl-3-ethyl-pyrrole
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

2-ethylthioisoindoline-1,3-dione
17796-70-2

2-ethylthioisoindoline-1,3-dione

C10H17NS
1128077-89-3

C10H17NS

Conditions
ConditionsYield
With N,N-dimethyl acetamide; magnesium bromide at 90℃; for 1h;90%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

bis(4-(methoxycarbonyl)phenyl)iodonium trifluoromethanesulfonate
1416276-96-4

bis(4-(methoxycarbonyl)phenyl)iodonium trifluoromethanesulfonate

methyl 4-(4-ethyl-3,5-dimethyl-1H-pyrrol-2-yl)benzoate

methyl 4-(4-ethyl-3,5-dimethyl-1H-pyrrol-2-yl)benzoate

Conditions
ConditionsYield
With tris(bipyridine)ruthenium(II) dichloride hexahydrate In acetonitrile at 25℃; for 12h; Inert atmosphere; Irradiation; Schlenk technique;90%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

2-((difluoromethyl)thio)isoindoline-1,3-dione

2-((difluoromethyl)thio)isoindoline-1,3-dione

2-((difluoromethyl)thio)-4-ethyl-3,5-dimethyl-1H-pyrrole

2-((difluoromethyl)thio)-4-ethyl-3,5-dimethyl-1H-pyrrole

Conditions
ConditionsYield
With chloro-trimethyl-silane In 1,2-dichloro-ethane at 80 - 120℃; for 16h; Schlenk technique;90%
With chloro-trimethyl-silane In dichloromethane at 80 - 120℃; Inert atmosphere; Sealed tube;90%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

tert-butyl 3-ethyl-2,4-dimethylpyrrole-1-carboxylate

tert-butyl 3-ethyl-2,4-dimethylpyrrole-1-carboxylate

Conditions
ConditionsYield
With dmap In acetonitrile at 20℃; for 1h;90%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

benzyl 5-formyl-2,4-dimethyl-1H-pyrrole-3-carboxylate
37059-18-0

benzyl 5-formyl-2,4-dimethyl-1H-pyrrole-3-carboxylate

(Z)-benzyl 5-((4-ethyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylate hydrobromide

(Z)-benzyl 5-((4-ethyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylate hydrobromide

Conditions
ConditionsYield
With hydrogen bromide In tetrahydrofuran; methanol at 20℃; Inert atmosphere;90%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

N-(benzylthio)phthalimide
14204-26-3

N-(benzylthio)phthalimide

C15H19NS
1128077-10-0

C15H19NS

Conditions
ConditionsYield
With N,N-dimethyl acetamide; magnesium bromide at 90℃; for 1h;89%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

C15H13ClN2
1391852-14-4

C15H13ClN2

C23H25N3
1402649-93-7

C23H25N3

Conditions
ConditionsYield
With trichlorophosphate In dichloromethane at 20℃; for 12h; Cooling with ice; Inert atmosphere;89%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

4-ethyl-3,5,N,N-tetramethylpyrrole-2-carboxamide
13219-74-4

4-ethyl-3,5,N,N-tetramethylpyrrole-2-carboxamide

bis(4-ethyl-3,5-dimethyl-pyrrol-2-yl)ketone
13228-22-3

bis(4-ethyl-3,5-dimethyl-pyrrol-2-yl)ketone

Conditions
ConditionsYield
Stage #1: 4-ethyl-3,5,N,N-tetramethylpyrrole-2-carboxamide With trichlorophosphate at 50℃; for 0.25h;
Stage #2: 2,4-dimethyl-3-ethyl-pyrrole In dichloromethane for 1.5h; Reflux;
Stage #3: With sodium carbonate In dichloromethane; water for 2h; Reflux;
89%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

3-acetoxy-1,3-diphenylpropene
73930-97-9

3-acetoxy-1,3-diphenylpropene

C23H25N

C23H25N

Conditions
ConditionsYield
With bis(η3-allyl-μ-chloropalladium(II)); C37H40NO4PSi2; potassium carbonate; N-Trimethylsilylacetamide In dichloromethane at 23℃; for 2h; Inert atmosphere; Schlenk technique;89%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

3-methoxypyrrole-2-carboxaldehyde
54764-96-4

3-methoxypyrrole-2-carboxaldehyde

A

3,5-dimethyl-4-ethyl-2-(3-methoxypyrrolyl-2-methylene)-2H-pyrrole
1233087-60-9

3,5-dimethyl-4-ethyl-2-(3-methoxypyrrolyl-2-methylene)-2H-pyrrole

B

3,5-dimethyl-4-ethyl-2-(3-methoxypyrrolyl-2-methylene)-2H-pyrrolium dichlorophosphate
1233087-61-0

3,5-dimethyl-4-ethyl-2-(3-methoxypyrrolyl-2-methylene)-2H-pyrrolium dichlorophosphate

Conditions
ConditionsYield
With trichlorophosphate In dichloromethane; pentane for 1.01667h; Cooling;A n/a
B 86%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

10-chloro-5,5-difluoro-5H-4λ4,5λ4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine
1414345-77-9

10-chloro-5,5-difluoro-5H-4λ4,5λ4-dipyrrolo[1,2-c:2',1'-f][1,3,2]diazaborinine

C17H18BF2N3
1582309-41-8

C17H18BF2N3

Conditions
ConditionsYield
In toluene at 20℃; for 0.05h; Inert atmosphere;86%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

boron trifluoride diethyl etherate
109-63-7

boron trifluoride diethyl etherate

(3,5-dimethyl-1H-pyrrol-2-yl)(p-tolyl)methanone

(3,5-dimethyl-1H-pyrrol-2-yl)(p-tolyl)methanone

2-ethyl-4,4-difluoro-1,3,5,7-tetramethyl-8-(4-methylphenyl)-4-bora-3a,4a-diaza-s-indacene

2-ethyl-4,4-difluoro-1,3,5,7-tetramethyl-8-(4-methylphenyl)-4-bora-3a,4a-diaza-s-indacene

Conditions
ConditionsYield
Stage #1: 2,4-dimethyl-3-ethyl-pyrrole; boron trifluoride diethyl etherate; (3,5-dimethyl-1H-pyrrol-2-yl)-p-tolyl-methanone at 20℃; for 2h; Schlenk technique; Inert atmosphere;
Stage #2: With N-ethyl-N,N-diisopropylamine at 20℃; for 4h; Schlenk technique; Inert atmosphere;
86%
2,4-dimethyl-3-ethyl-pyrrole
517-22-6

2,4-dimethyl-3-ethyl-pyrrole

benzyl 5-N,N-dimethylamido-3,4-dimethylpyrrole-2-carboxylate
16132-27-7

benzyl 5-N,N-dimethylamido-3,4-dimethylpyrrole-2-carboxylate

benzyl 8-ethyl-2,3,7,9-tetramethyl-5-dipyrroketone-1-carboxylate
16132-42-6

benzyl 8-ethyl-2,3,7,9-tetramethyl-5-dipyrroketone-1-carboxylate

Conditions
ConditionsYield
Stage #1: benzyl 5-N,N-dimethylamido-3,4-dimethylpyrrole-2-carboxylate With trichlorophosphate at 50℃; for 5h;
Stage #2: 2,4-dimethyl-3-ethyl-pyrrole In dichloromethane at 30℃; Inert atmosphere;
Stage #3: With water; sodium acetate In dichloromethane at 50℃; for 3h; Inert atmosphere;
85.7%

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