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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

1-(2-Aminocarbonylbenzofuran-5-yl)piperazine

Cas:183288-46-2

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 1-(2-Aminocarbonylbenzofuran-5-yl)piperazine supplier in China

Cas:183288-46-2

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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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 experience 2. Free samples will be provided,ensure specifications and quality are right for customer 3. Customers will receive the most professional techn

Large Stock 99.0% 5-(1-Piperazinyl)benzofuran-2-carboxamide 183288-46-2 Producer

Cas:183288-46-2

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

T he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:W

1-(2-Aminocarbonylbenzofuran-5-yl)piperazine

Cas:183288-46-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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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 1-(2-Aminocarbonylbenzofuran-5-yl)piperazine

Cas:183288-46-2

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-(1-Piperazinyl)benzofuran-2-carboxamide

Cas:183288-46-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Shanghai SE Pharm Co., Ltd

1. made in GMP plant, commerially 2. Normal Stock: 500kgs 3. Audit accepted. Related documents are available to offer and audited by many clients, such as Lupin, MSN, Dr reddy etc 4. Chromatographic Purity (HPLC): not less than 99.0% 5. Chi

5-(Piperazine-1-yl) benzofuran-2-carboxamide(183288-46-2)

Cas:183288-46-2

Min.Order:1 Kilogram

FOB Price: $100.0

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

1-(2-Aminocarbonylbenzofuran-5-yl)-piperazine

Cas:183288-46-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/1095.html Product Name 5-(1-Piperazinyl)benzofuran-2-carboxamide CAS No.

5-(1-Piperazinyl)benzofuran-2-carboxamide

Cas:183288-46-2

Min.Order:1 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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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-(1-Piperazinyl)benzofuran-2-carboxamide

Cas:183288-46-2

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be sent

5-piperazin-1-yl-1-benzofuran-2-carboxamide

Cas:183288-46-2

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

Henan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com

TIANFU-CHEM - 5-(1-Piperazinyl)benzofuran-2-carboxamide

Cas:183288-46-2

Min.Order:1 Gram

FOB Price: $1000.0

Type:Lab/Research institutions

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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

Discount price CAS 183288-46-2 with best quality

Cas:183288-46-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name: 1-(2-Aminocarbonylbenzofuran-5-yl)piperazine CAS No.: 183288-46-2 Formula: C13H15N3O2 Molecular We

5-(1-Piperazinyl)benzofuran-2-carboxamide

Cas:183288-46-2

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

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

1-(2-Aminocarbonylbenzofuran-5-yl)piperazine 183288-46-2

Cas:183288-46-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Hot selling high quality CAS 183288-46-2with best price

Cas:183288-46-2

Min.Order:1 Kilogram

FOB Price: $532.0 / 553.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

5-(1-Piperazinyl)benzofuran-2-carboxamide CAS:183288-46-2 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 hig

5-(1-Piperazinyl)benzofuran-2-carboxamide CAS:183288-46-2

Cas:183288-46-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

5-(1-Piperazinyl)benzofuran-2-carboxamide

Cas:183288-46-2

Min.Order:10 Kilogram

Negotiable

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

1-(2-Aminocarbonylbenzofuran-5-yl)piperazine

Cas:183288-46-2

Min.Order:1 Kilogram

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

1-(2-Aminocarbonylbenzofuran-5-yl)piperazine

Cas:183288-46-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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ShangHai Soyoung Biotechnology Inc

Shanghai SOYOUNG onsite assessment conducted by Bureau Veritas commissioned at June 2018. Assessed Supplier of Shanghai SOYOUNG is a faithful and professional supplier of health raw materials in pharmacy, food, cosmetic and other fields for many ye

Intermediate of Vilazodone CAS 183288-46-2

Cas:183288-46-2

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Lab/Research institutions

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Triumph International Development Limilted

Appearance: White or off-white Solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:S

5-(1-Piperazinyl)benzofuran-2-carboxamide

Cas:183288-46-2

Min.Order:100 Metric Ton

Negotiable

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-(1-Piperazinyl)benzofuran-2-carboxamide

Cas:183288-46-2

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

5-(1-Piperazinyl)benzofuran-2-carboxamide

Cas:183288-46-2

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

1-(2-Aminocarbonylbenzofuran-5-yl)piperazine

Cas:183288-46-2

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

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

1-(2-Aminocarbonylbenzofuran-5-yl)piperazine

Cas:183288-46-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality 1-(2-Aminocarbonylbenzofuran-5-yl)piperazine

Cas:183288-46-2

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

5-(1-Piperazinyl)benzofuran-2-carboxamide

Cas:183288-46-2

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:white powder Storage:At room temperature Package:10g/bag,or as your request Application:For medicine , pesticide intermediates Transportation:as your request Port:Shanghai, Ningb

1-(2-Aminocarbonylbenzofuran-5-yl)piperazine

Cas:183288-46-2

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

CHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis

Synthetic route

5-(4-acetylpiperazin-1-yl)benzofuran-2-carboxylic acid ethyl ester hydrochloride

5-(4-acetylpiperazin-1-yl)benzofuran-2-carboxylic acid ethyl ester hydrochloride

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With ammonium hydroxide at 20℃; for 10h;97%
piperazine
110-85-0

piperazine

5-fluorobenzofuran-2-carboxamide

5-fluorobenzofuran-2-carboxamide

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With potassium carbonate In dimethyl sulfoxide at 120℃; for 6h; Reagent/catalyst; Temperature; Solvent; Inert atmosphere;93.9%
5-(1-piperazinyl)benzofuran-2-carboxylic acid ethyl ester hydrochloride

5-(1-piperazinyl)benzofuran-2-carboxylic acid ethyl ester hydrochloride

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With ammonium hydroxide In 1-methyl-pyrrolidin-2-one at 40 - 50℃; for 21h; Large scale;80%
5-(4-acetylpiperazin-1-yl)benzofuran-2-carboxamide

5-(4-acetylpiperazin-1-yl)benzofuran-2-carboxamide

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Stage #1: 5-(4-acetylpiperazin-1-yl)benzofuran-2-carboxamide With hydrogenchloride In ethanol for 8h; Reflux;
Stage #2: With ammonium hydroxide In ethanol at 20℃; for 1h;
78%
tert-butyl 4-(2-carbamoyl-1-benzofuran-5-yl)piperazine-1-carboxylate
183288-44-0

tert-butyl 4-(2-carbamoyl-1-benzofuran-5-yl)piperazine-1-carboxylate

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With hydrogenchloride In water at 35 - 50℃; for 1h; Large scale;77.86%
In methanol hydrochloride
methyl 5-(1-piperazinyl)-benzofuran-2-carboxylate

methyl 5-(1-piperazinyl)-benzofuran-2-carboxylate

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With ammonia In methanol at 25 - 30℃;73.1%
piperazine
110-85-0

piperazine

5-chlorobenzofuran-2-carboxamide
35351-20-3

5-chlorobenzofuran-2-carboxamide

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With copper dichloride In dimethyl sulfoxide at 150℃; Reagent/catalyst; Solvent;72%
piperazine
110-85-0

piperazine

5-bromo-2-carboxamidobenzo[b]furan
35351-21-4

5-bromo-2-carboxamidobenzo[b]furan

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With copper(II) cyanide In N,N-dimethyl-formamide at 150℃; Reagent/catalyst; Solvent;70%
piperazine
110-85-0

piperazine

t-OBu

t-OBu

5-bromo-2-carboxamidobenzo[b]furan
35351-21-4

5-bromo-2-carboxamidobenzo[b]furan

1-(N,N-dimethylamino)-1'-(dicyclohexylphosphino)biphenyl

1-(N,N-dimethylamino)-1'-(dicyclohexylphosphino)biphenyl

pyrographite
7440-44-0

pyrographite

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With hydrogenchloride; Pd(dba)2 In water; ethyl acetate; toluene
P(t-Bu)3

P(t-Bu)3

t-OBu

t-OBu

5-bromo-2-carboxamidobenzo[b]furan
35351-21-4

5-bromo-2-carboxamidobenzo[b]furan

1-t-Butoxycarbonylpiperazine
57260-71-6

1-t-Butoxycarbonylpiperazine

A

tert-butyl 4-(2-carbamoyl-1-benzofuran-5-yl)piperazine-1-carboxylate
183288-44-0

tert-butyl 4-(2-carbamoyl-1-benzofuran-5-yl)piperazine-1-carboxylate

B

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With hydrogenchloride; Pd(dba)2 In diethylene glycol dimethyl ether; water
5-nitro-1-benzofuran-2-carboxamide
267644-49-5

5-nitro-1-benzofuran-2-carboxamide

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
2: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
3: hydrogen bromide; 4-hydroxy-benzoic acid / acetic acid / 50 °C
View Scheme
Multi-step reaction with 2 steps
1.1: water; Pd/C; ammonium formate / methanol / 2 h / 30 - 45 °C
2.1: 2 h / 150 - 155 °C
2.2: 6 h / 150 - 155 °C
View Scheme
Multi-step reaction with 3 steps
1: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
2: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
3: 4-hydroxy-benzoic acid; hydrogen bromide; acetic acid / 3 h / 50 °C
View Scheme
5-amino-1-benzofuran-2-carboxamide

5-amino-1-benzofuran-2-carboxamide

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
2: hydrogen bromide; 4-hydroxy-benzoic acid / acetic acid / 50 °C
View Scheme
Multi-step reaction with 2 steps
1: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
2: 4-hydroxy-benzoic acid; hydrogen bromide; acetic acid / 3 h / 50 °C
View Scheme
5-(4-tosylpiperazin-1-yl)benzofuran-2-carboxamide

5-(4-tosylpiperazin-1-yl)benzofuran-2-carboxamide

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With hydrogen bromide; 4-hydroxy-benzoic acid In acetic acid at 50℃;
With hydrogen bromide; acetic acid; 4-hydroxy-benzoic acid at 50℃; for 3h;
2-Formylphenoxyacetic acid
6280-80-4

2-Formylphenoxyacetic acid

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: sulfuric acid; nitric acid / 5 - 35 °C
2.1: acetic anhydride / 0.25 h / 35 °C
2.2: 8 h / 125 °C
3.1: thionyl chloride; N,N-dimethyl-formamide / toluene / 35 - 115 °C
3.2: 10 °C / pH 8 - 9
4.1: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
5.1: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
6.1: hydrogen bromide; 4-hydroxy-benzoic acid / acetic acid / 50 °C
View Scheme
Multi-step reaction with 7 steps
1.1: sulfuric acid / water / 0.25 h / 5 - 35 °C
1.2: 2.25 h / 5 - 35 °C
2.1: acetic anhydride / 0.25 h / 35 °C
2.2: 8 h / 125 °C
3.1: thionyl chloride / toluene; N,N-dimethyl-formamide / 0.5 h / 70 - 115 °C
4.1: ammonia / N,N-dimethyl-formamide / 10 °C / pH 8 - 9
5.1: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
6.1: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
7.1: 4-hydroxy-benzoic acid; hydrogen bromide; acetic acid / 3 h / 50 °C
View Scheme
salicylaldehyde
90-02-8

salicylaldehyde

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1.1: sodium hydroxide / water / 3 h / 30 - 100 °C
2.1: sulfuric acid; nitric acid / 5 - 35 °C
3.1: acetic anhydride / 0.25 h / 35 °C
3.2: 8 h / 125 °C
4.1: thionyl chloride; N,N-dimethyl-formamide / toluene / 35 - 115 °C
4.2: 10 °C / pH 8 - 9
5.1: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
6.1: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
7.1: hydrogen bromide; 4-hydroxy-benzoic acid / acetic acid / 50 °C
View Scheme
Multi-step reaction with 8 steps
1.1: sodium hydroxide / water / 3 h / 30 - 100 °C
2.1: sulfuric acid / water / 0.25 h / 5 - 35 °C
2.2: 2.25 h / 5 - 35 °C
3.1: acetic anhydride / 0.25 h / 35 °C
3.2: 8 h / 125 °C
4.1: thionyl chloride / toluene; N,N-dimethyl-formamide / 0.5 h / 70 - 115 °C
5.1: ammonia / N,N-dimethyl-formamide / 10 °C / pH 8 - 9
6.1: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
7.1: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
8.1: 4-hydroxy-benzoic acid; hydrogen bromide; acetic acid / 3 h / 50 °C
View Scheme
2-(2-formyl-4-nitrophenoxy)acetic acid
6965-69-1

2-(2-formyl-4-nitrophenoxy)acetic acid

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: acetic anhydride / 0.25 h / 35 °C
1.2: 8 h / 125 °C
2.1: thionyl chloride; N,N-dimethyl-formamide / toluene / 35 - 115 °C
2.2: 10 °C / pH 8 - 9
3.1: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
4.1: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
5.1: hydrogen bromide; 4-hydroxy-benzoic acid / acetic acid / 50 °C
View Scheme
Multi-step reaction with 6 steps
1.1: acetic anhydride / 0.25 h / 35 °C
1.2: 8 h / 125 °C
2.1: thionyl chloride / toluene; N,N-dimethyl-formamide / 0.5 h / 70 - 115 °C
3.1: ammonia / N,N-dimethyl-formamide / 10 °C / pH 8 - 9
4.1: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
5.1: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
6.1: 4-hydroxy-benzoic acid; hydrogen bromide; acetic acid / 3 h / 50 °C
View Scheme
5-nitrobenzofuran-2-carboxylic acid
10242-12-3

5-nitrobenzofuran-2-carboxylic acid

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: thionyl chloride; N,N-dimethyl-formamide / toluene / 35 - 115 °C
1.2: 10 °C / pH 8 - 9
2.1: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
3.1: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
4.1: hydrogen bromide; 4-hydroxy-benzoic acid / acetic acid / 50 °C
View Scheme
Multi-step reaction with 5 steps
1: thionyl chloride / toluene; N,N-dimethyl-formamide / 0.5 h / 70 - 115 °C
2: ammonia / N,N-dimethyl-formamide / 10 °C / pH 8 - 9
3: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
4: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
5: 4-hydroxy-benzoic acid; hydrogen bromide; acetic acid / 3 h / 50 °C
View Scheme
5-aminobenzofuran-2-carboxylic acid methyl ester
1646-29-3

5-aminobenzofuran-2-carboxylic acid methyl ester

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: tributyl-amine / 43 h / 73 - 77 °C
2: sulfuric acid / 0.25 h / 25 - 102 °C
3: ammonia / methanol / 25 - 30 °C
View Scheme
methyl 5-[4-(benzenesulfonyl)-1-piperazinyl]benzofuran-2-carboxylate

methyl 5-[4-(benzenesulfonyl)-1-piperazinyl]benzofuran-2-carboxylate

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid / 0.25 h / 25 - 102 °C
2: ammonia / methanol / 25 - 30 °C
View Scheme
5-(4-formylpiperazin-1-yl)-1-benzofuran-2-carboxamide
1602487-82-0

5-(4-formylpiperazin-1-yl)-1-benzofuran-2-carboxamide

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With hydrogenchloride In water at 45 - 50℃; for 1h;24 g
5-amino-1-benzofuran-2-carboxamide

5-amino-1-benzofuran-2-carboxamide

N,N-bis(chloro-2-ethyl)amine
334-22-5

N,N-bis(chloro-2-ethyl)amine

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Stage #1: 5-amino-1-benzofuran-2-carboxamide; N,N-bis(chloro-2-ethyl)amine at 150 - 155℃; for 2h;
Stage #2: With tributyl-amine In 1-methyl-pyrrolidin-2-one at 150 - 155℃; for 6h;
5.6 g
ethyl 5-nitrobenzo[d]furan-2-carboxylate
69604-00-8

ethyl 5-nitrobenzo[d]furan-2-carboxylate

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: formamide; sodium methylate / 1-methyl-pyrrolidin-2-one / 2 h / 20 - 25 °C
2.1: water; Pd/C; ammonium formate / methanol / 2 h / 30 - 45 °C
3.1: 2 h / 150 - 155 °C
3.2: 6 h / 150 - 155 °C
View Scheme
ethyl 5-(4-tert-butoxycarbonyl-1-piperazinyl)benzofuran-2-carboxylate

ethyl 5-(4-tert-butoxycarbonyl-1-piperazinyl)benzofuran-2-carboxylate

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: formamide; sodium methylate / methanol / 1 h / 20 - 30 °C / Large scale
2: hydrogenchloride / water / 1 h / 35 - 50 °C / Large scale
View Scheme
5-nitrobenzofuran-2-carbonyl chloride
90036-16-1

5-nitrobenzofuran-2-carbonyl chloride

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: ammonia / N,N-dimethyl-formamide / 10 °C / pH 8 - 9
2: hydrogen / methanol / 14 h / 35 - 60 °C / 4500.45 Torr
3: N-ethyl-N,N-diisopropylamine / 10 h / 120 °C
4: 4-hydroxy-benzoic acid; hydrogen bromide; acetic acid / 3 h / 50 °C
View Scheme
5-fluoro-2-hydroxybenzaldehyde
347-54-6

5-fluoro-2-hydroxybenzaldehyde

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium methylate / diethyl ether / 0.2 h / 20 °C / Inert atmosphere
1.2: 8 h / 20 °C / Inert atmosphere
2.1: potassium carbonate / dimethyl sulfoxide / 6 h / 120 °C / Inert atmosphere
View Scheme
5-bromosalicyclaldehyde
1761-61-1

5-bromosalicyclaldehyde

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: potassium carbonate / ethyl acetate / 6 h / Reflux
1.2: 3 h / 80 °C
2.1: N,N-dimethyl-formamide / 6 h / 140 °C
3.1: thionyl chloride / 1,2-dichloro-ethane / 4 h / 60 °C
4.1: ammonia / tetrahydrofuran / 0.5 h / 25 °C / 2250.23 Torr
View Scheme
5-bromobenzo[b]furan-2-carboxylic acid
10242-11-2

5-bromobenzo[b]furan-2-carboxylic acid

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: N,N-dimethyl-formamide / 6 h / 140 °C
2: thionyl chloride / 1,2-dichloro-ethane / 4 h / 60 °C
3: ammonia / tetrahydrofuran / 0.5 h / 25 °C / 2250.23 Torr
View Scheme
5-(piperazin-1-yl)benzofuran-2-carboxylic acid

5-(piperazin-1-yl)benzofuran-2-carboxylic acid

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: thionyl chloride / 1,2-dichloro-ethane / 4 h / 60 °C
2: ammonia / tetrahydrofuran / 0.5 h / 25 °C / 2250.23 Torr
View Scheme
C13H13ClN2O2

C13H13ClN2O2

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

Conditions
ConditionsYield
With ammonia In tetrahydrofuran at 25℃; under 2250.23 Torr; for 0.5h;196 g
3-(4-chlorobutyl)-5-cyanoindole
143612-79-7

3-(4-chlorobutyl)-5-cyanoindole

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

vilazodone
163521-12-8

vilazodone

Conditions
ConditionsYield
Stage #1: 3-(4-chlorobutyl)-5-cyanoindole With sodium iodide In N,N-dimethyl-formamide at 25 - 30℃; for 0.25h;
Stage #2: 5-(1-piperazinyl)benzofuran-2-carboxamide With tetrabutylammomium bromide; sodium hydrogencarbonate In N,N-dimethyl-formamide at 110 - 115℃; for 1.25h; Reagent/catalyst; Temperature; Time; Solvent;
95.7%
With sodium carbonate In water at 90 - 100℃;94%
Stage #1: 5-(1-piperazinyl)benzofuran-2-carboxamide With hydrogenchloride In water at 20 - 35℃; pH=6.5 - 7;
Stage #2: 3-(4-chlorobutyl)-5-cyanoindole With sodium carbonate In water; isopropyl alcohol at 75 - 85℃; for 12h; Reagent/catalyst; pH-value;
94%
3-(4-chlorobutyl)-5-cyanoindole
143612-79-7

3-(4-chlorobutyl)-5-cyanoindole

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-{4-[4-(5-cyano-1H-indol-3-yl)butyl]piperazin-1-yl}-1-benzofuran-2-carboxamide

5-{4-[4-(5-cyano-1H-indol-3-yl)butyl]piperazin-1-yl}-1-benzofuran-2-carboxamide

Conditions
ConditionsYield
Stage #1: 3-(4-chlorobutyl)-5-cyanoindole With sodium iodide In N,N-dimethyl-formamide at 25 - 30℃; for 0.25h;
Stage #2: 5-(1-piperazinyl)benzofuran-2-carboxamide With tetrabutylammomium bromide; sodium hydrogencarbonate In N,N-dimethyl-formamide at 110 - 115℃; for 1.25h; Temperature; Solvent; Reagent/catalyst;
95.7%
3-(4-hydroxybutyl)-1H-indole-5-carbonitrile
914927-40-5

3-(4-hydroxybutyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

vilazodone
163521-12-8

vilazodone

Conditions
ConditionsYield
With trifluoroacetic acid at 60℃; for 12h; Temperature;91.2%
3-(4-bromobutyl)-1-(p-toluenesulfonyl)-1H-indole-5-carbonitrile

3-(4-bromobutyl)-1-(p-toluenesulfonyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-[4-[4-[5-cyano-1-(p-toluenesulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]benzofuran-2-carboxamide
1415760-77-8

5-[4-[4-[5-cyano-1-(p-toluenesulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]benzofuran-2-carboxamide

Conditions
ConditionsYield
With triethylamine In 1-methyl-pyrrolidin-2-one at 120℃; for 5h;86%
3-(4-chlorobutanoyl)-1H-indole-5-carbonitrile
276863-95-7

3-(4-chlorobutanoyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

vilazodone N-oxide

vilazodone N-oxide

Conditions
ConditionsYield
With triethylamine; potassium iodide In N,N-dimethyl-formamide at 20 - 90℃; for 49h; Inert atmosphere;85%
With tributyl-amine In 1-methyl-pyrrolidin-2-one at 25 - 130℃; for 24h;7%
3-(4-bromobutyl)-1-(phenylsulfonyl)-1H-indole-5-carbonitrile

3-(4-bromobutyl)-1-(phenylsulfonyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-[4-[4-[5-cyano-1-(phenylsulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]benzofuran-2-carboxamide

5-[4-[4-[5-cyano-1-(phenylsulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]benzofuran-2-carboxamide

Conditions
ConditionsYield
With triethylamine In 1-methyl-pyrrolidin-2-one at 120℃; for 6h; Reagent/catalyst; Solvent;84%
3-(4-bromobutyl)-1-(naphthalene-2-yl-sulfonyl)-1H-indole-5-carbonitrile

3-(4-bromobutyl)-1-(naphthalene-2-yl-sulfonyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-[4-[4-[5-cyano-1-(naphthalene-2-yl-sulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]-2-benzofurancarboxamide

5-[4-[4-[5-cyano-1-(naphthalene-2-yl-sulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]-2-benzofurancarboxamide

Conditions
ConditionsYield
With triethylamine In 1-methyl-pyrrolidin-2-one at 120℃; for 5h;82%
3-(4-bromobutyl)-1-(naphthalen-1-yl-sulfonyl)-1H-indole-5-carbonitrile

3-(4-bromobutyl)-1-(naphthalen-1-yl-sulfonyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-[4-[4-[5-cyano-1-(naphthalen-1-yl-sulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]-2-benzofurancarboxamide

5-[4-[4-[5-cyano-1-(naphthalen-1-yl-sulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]-2-benzofurancarboxamide

Conditions
ConditionsYield
With triethylamine In 1-methyl-pyrrolidin-2-one at 120℃; for 5h;79%
5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

methanesulfonic acid 5-cyano-3-(4-methanesulfonyloxy-butyl)-1H-indol-6-yl ester
714950-87-5

methanesulfonic acid 5-cyano-3-(4-methanesulfonyloxy-butyl)-1H-indol-6-yl ester

methanesulfonic acid 3-{4-[4-(2-carbamoyl-benzofuran-5-yl)-piperazin-1-yl]-butyl}-5-cyano-1H-indol-6-yl ester
714950-88-6

methanesulfonic acid 3-{4-[4-(2-carbamoyl-benzofuran-5-yl)-piperazin-1-yl]-butyl}-5-cyano-1H-indol-6-yl ester

Conditions
ConditionsYield
With 1-methyl-pyrrolidin-2-one at 120℃;77%
3-(4-chlorobutyl)-1-(naphthalen-1-yl-sulfonyl)-1H-indole-5-carbonitrile

3-(4-chlorobutyl)-1-(naphthalen-1-yl-sulfonyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-[4-[4-[5-cyano-1-(naphthalen-1-yl-sulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]-2-benzofurancarboxamide

5-[4-[4-[5-cyano-1-(naphthalen-1-yl-sulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]-2-benzofurancarboxamide

Conditions
ConditionsYield
With triethylamine In 1-methyl-pyrrolidin-2-one at 120℃; for 5h;76%
3-(4-oxobutyl)-1H-indole-5-carbonitrile
913730-89-9

3-(4-oxobutyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

vilazodone
163521-12-8

vilazodone

Conditions
ConditionsYield
Stage #1: 5-(1-piperazinyl)benzofuran-2-carboxamide With sodium cyanoborohydride In methanol at 20℃;
Stage #2: 3-(4-oxobutyl)-1H-indole-5-carbonitrile In methanol at 20℃; for 18h;
75.21%
3-(4-oxobutyl)-1H-indole-5-carbonitrile
913730-89-9

3-(4-oxobutyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-{4-[4-(5-cyano-1H-indol-3-yl)butyl]piperazin-1-yl}-1-benzofuran-2-carboxamide

5-{4-[4-(5-cyano-1H-indol-3-yl)butyl]piperazin-1-yl}-1-benzofuran-2-carboxamide

Conditions
ConditionsYield
Stage #1: 5-(1-piperazinyl)benzofuran-2-carboxamide With methanol; sodium cyanoborohydride at 20℃;
Stage #2: 3-(4-oxobutyl)-1H-indole-5-carbonitrile at 20℃; for 18.25h;
75.21%
3-(4-chlorobutyl)-1-(naphthalen-2-yl-sulfonyl)-1H-indole-5-carbonitrile

3-(4-chlorobutyl)-1-(naphthalen-2-yl-sulfonyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-[4-[4-[5-cyano-1-(naphthalene-2-yl-sulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]-2-benzofurancarboxamide

5-[4-[4-[5-cyano-1-(naphthalene-2-yl-sulfonyl)-1H-indol-3-yl]butyl]piperazin-1-yl]-2-benzofurancarboxamide

Conditions
ConditionsYield
With triethylamine In 1-methyl-pyrrolidin-2-one at 120℃; for 5.5h;72%
C14H15ClN2
816429-22-8

C14H15ClN2

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-{4-[4-(5-cyano-1-methyl-1H-indol-3-yl)-butyl]-piperazin-1-yl}-benzofuran-2-carboxylic acid amide

5-{4-[4-(5-cyano-1-methyl-1H-indol-3-yl)-butyl]-piperazin-1-yl}-benzofuran-2-carboxylic acid amide

Conditions
ConditionsYield
With 1-methyl-pyrrolidin-2-one; triethylamine at 20 - 120℃; for 14h;
3-(4-chloro-butyl)-2,3-dihydro-1H-indole-5-carbonitrile
816438-46-7

3-(4-chloro-butyl)-2,3-dihydro-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-{4-[4-(5-cyano-2,3-dihydro-1H-indol-3-yl)-butyl]-piperazin-1-yl}-benzofuran-2-carboxamide hydrochloride

5-{4-[4-(5-cyano-2,3-dihydro-1H-indol-3-yl)-butyl]-piperazin-1-yl}-benzofuran-2-carboxamide hydrochloride

Conditions
ConditionsYield
Stage #1: 3-(4-chloro-butyl)-2,3-dihydro-1H-indole-5-carbonitrile; 5-(1-piperazinyl)benzofuran-2-carboxamide With 1-methyl-pyrrolidin-2-one at 125℃; for 24h;
Stage #2: With sodium hydroxide In water at 0℃; pH=10;
Stage #3: With hydrogenchloride In water; acetone pH=3;
3-(4-oxobutyl)-1H-indole-5-carbonitrile
913730-89-9

3-(4-oxobutyl)-1H-indole-5-carbonitrile

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

vilazodone hydrochloride

vilazodone hydrochloride

Conditions
ConditionsYield
Stage #1: 3-(4-oxobutyl)-1H-indole-5-carbonitrile; 5-(1-piperazinyl)benzofuran-2-carboxamide With sodium cyanoborohydride In methanol at 10 - 20℃; for 24.25h;
Stage #2: With hydrogenchloride In tetrahydrofuran; water at 20℃; Product distribution / selectivity;
1-methyl-pyrrolidin-2-one
872-50-4

1-methyl-pyrrolidin-2-one

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-{4-[4-(5-cyano-2,3-dihydro-1H-indol-3-yl)butyl]piperazin-1-yl}benzofuran-2-carboxamide

5-{4-[4-(5-cyano-2,3-dihydro-1H-indol-3-yl)butyl]piperazin-1-yl}benzofuran-2-carboxamide

Conditions
ConditionsYield
With sodium hydroxide In methanol; ice-water; water; ethyl acetate
(6-chloro-1-hexyn-1-yl)trimethylsilane
113964-33-3

(6-chloro-1-hexyn-1-yl)trimethylsilane

5-(1-piperazinyl)benzofuran-2-carboxamide
183288-46-2

5-(1-piperazinyl)benzofuran-2-carboxamide

5-[4-(6-trimethylsilanyl-hex-5-ynyl)-piperazin-1-yl]-benzofuran-2-carboxylic acid amide
1187322-52-6

5-[4-(6-trimethylsilanyl-hex-5-ynyl)-piperazin-1-yl]-benzofuran-2-carboxylic acid amide

Conditions
ConditionsYield
With triethylamine In acetonitrile for 72h; Heating;

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