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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid

Cas:123654-26-2

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 4-Amino-5-chloro-2,3-dihydro-7-benzofurancarboxylic acid supplier in China

Cas:123654-26-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Hangzhou Think Chemical Co. Ltd

4-Amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid, CAS No.:123654-26-2 Name: 4-Amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid Synonym

4-Amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid, CAS No.:123654-26-2

Cas:123654-26-2

Min.Order:1 Kilogram

FOB Price: $2.0

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

4-Amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Cas:123654-26-2

Min.Order:1 Kilogram

FOB Price: $5.0 / 10.0

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

4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid

Cas:123654-26-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

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

4-Amino-5-chloro-2,3-dihydro-7-benzofurancarboxylic acid

Cas:123654-26-2

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

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

Factory direct supply CAS 123654-26-2 with best quality

Cas:123654-26-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

4-AMINO-5-CHLORO-2,3-DIHYDROBENZOFURAN-7-CARBOXYLIC ACID

Cas:123654-26-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:light brown powder Storage:R.T Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in China

Factory price ready stock 4-Amino-5-chloro-2,3-dihydro-7-benzofurancarboxylic acid

Cas:123654-26-2

Min.Order:1 Kilogram

FOB Price: $1.0

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

4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid/ LIDE PHARMA- Factory supply / Best price

Cas:123654-26-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Upbio Tech Co.,Ltd

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

4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid

Cas:123654-26-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

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

CAS NO.:123654-26-2

Cas:123654-26-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Superiority We can customize and synthesize products that other suppliers may not be able to provide. 1. best service, high quality and reasonable way for his produccts from many recent effective packing way.best s

99% 4-AMino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid;CAS:123654-26-2

Cas:123654-26-2

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

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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

4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid

Cas:123654-26-2

Min.Order:1 Gram

FOB Price: $123.0

Type:Trading Company

inquiry

Triumph International Development Limilted

Appearance:white powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Pharmaceutical Transportation:Common products:Sea/Air/Courier Dangerous Chem:Sea/Air Port:

4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid

Cas:123654-26-2

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

4-AMINO-5-CHLORO-2,3-DIHYDROBENZOFURAN-7-CARBOXYLIC ACID

Cas:123654-26-2

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

4-AMINO-5-CHLORO-2,3-DIHYDRO-7-BENZOFURANCARBOXYLIC ACID

Cas:123654-26-2

Min.Order:1 Gram

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

4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic Acid

Cas:123654-26-2

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

4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid

Cas:123654-26-2

Min.Order:0

Negotiable

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

4-AMINO-5-CHLORO-2,3-DIHYDROBENZOFURAN-7-CARBOXYLIC ACID

Cas:123654-26-2

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Tianfu Chemical, built in 2009, is a professional supplier for API materials in China. With 10 years development, we have bulit our own factory and lab to produce a certain of products. And we have established stable business relationship

123654-26-2 4-Amino-5-chloro-2,3-dihydro-7-benzofurancarboxylic acid

Cas:123654-26-2

Min.Order:1 Kilogram

FOB Price: $200.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 4-Amino-5-Chloro-2,3-Dihydro-7-Benzofurancarboxylic Acid CAS No.:123654-26-2 Molecule Formula:C9H8ClNO3 Molecule Weight:213.61 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard

Best Quality 4-Amino-5-Chloro-2,3-Dihydro-7-Benzofurancarboxylic Acid

Cas:123654-26-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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,

4-Amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic Acid >

Cas:123654-26-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

4-Amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylicacid

Cas:123654-26-2

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

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

4-AMINO-5-CHLORO-2,3-DIHYDROBENZOFURAN-7-CARBOXYLIC ACID

Cas:123654-26-2

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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

4-Amino-5-chloro-2,3-dihydro-7-benzofurancarboxylic acid

Cas:123654-26-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

4-AMINO-5-CHLORO-2,3-DIHYDROBENZOFURAN-7-CARBOXYLIC ACID

Cas:123654-26-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

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

99% 4-AMino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid;CAS:123654-26-2 CAS NO.123654-26-2

Cas:123654-26-2

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

4-Amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Cas:123654-26-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

4-Amino-5-chloro-2,3-dihydro-7-benzofurancarboxylic acid

Cas:123654-26-2

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Synthetic route

4-acetylamino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid sodium salt

4-acetylamino-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid sodium salt

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
With sodium hydroxide In water at 100℃; for 3h;97%
Multi-step reaction with 2 steps
1: sulfuric acid / 8 h / 10 °C / Reflux
2: water; sodium hydroxide / methanol / 2 h / Reflux
View Scheme
4-acetamido-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid methyl ester
143878-29-9

4-acetamido-5-chloro-2,3-dihydrobenzofuran-7-carboxylic acid methyl ester

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
With sodium hydroxide In methanol for 2h; Heating;90.3%
With 1-methoxy-2-propanol; water; sodium hydroxide at 90℃; for 8h;89.8%
With water; sodium hydroxide for 5h; Reagent/catalyst;89%
Multi-step reaction with 3 steps
1: water; sodium hydroxide / methanol / 2.17 h / 25 - 55 °C
2: sulfuric acid / 8 h / 10 °C / Reflux
3: water; sodium hydroxide / methanol / 2 h / Reflux
View Scheme
methyl 4-acetamido-2-hydroxybenzoate
4093-28-1

methyl 4-acetamido-2-hydroxybenzoate

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 8 steps
1: 95.5 percent / K2CO3, tetra-n-butylammonium chloride / acetonitrile / 22 h / Heating
2: 94.9 percent / N-methylpyrrolidone / 1.5 h / Heating
3: OsO4 / diethyl ether; H2O / 0.17 h / 20 - 25 °C
4: NaIO4 / diethyl ether; H2O / 12 h / 20 - 25 °C
5: NaBH4 / methanol / 2 h / 20 - 25 °C
6: 86.7 percent / diethyl azodicarboxylate, Ph3P / tetrahydrofuran / 1 h / 20 - 25 °C
7: NCS / dimethylformamide / 3 h / 70 °C
8: 90.3 percent / 4N NaOH / methanol / 2 h / Heating
View Scheme
Multi-step reaction with 5 steps
1.1: sulfuryl dichloride / ethyl acetate / 2 h / -5 - 0 °C
2.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 20 °C
3.1: potassium carbonate / N,N-dimethyl acetamide / 0.5 h / 20 °C
3.2: 5 h / 50 °C
4.1: zinc / N,N-dimethyl acetamide / 22 h / 20 - 50 °C / Inert atmosphere
4.2: 0.5 h / 70 °C / Inert atmosphere
5.1: sodium hydroxide; 1-methoxy-2-propanol; water / 8 h / 90 °C
View Scheme
methyl 2-allyloxy-4-acetylaminobenzoate
91958-13-3

methyl 2-allyloxy-4-acetylaminobenzoate

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 94.9 percent / N-methylpyrrolidone / 1.5 h / Heating
2: OsO4 / diethyl ether; H2O / 0.17 h / 20 - 25 °C
3: NaIO4 / diethyl ether; H2O / 12 h / 20 - 25 °C
4: NaBH4 / methanol / 2 h / 20 - 25 °C
5: 86.7 percent / diethyl azodicarboxylate, Ph3P / tetrahydrofuran / 1 h / 20 - 25 °C
6: NCS / dimethylformamide / 3 h / 70 °C
7: 90.3 percent / 4N NaOH / methanol / 2 h / Heating
View Scheme
methyl 2-hydroxy-3-allyl-4-acetaminobenzoate
110751-41-2

methyl 2-hydroxy-3-allyl-4-acetaminobenzoate

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: OsO4 / diethyl ether; H2O / 0.17 h / 20 - 25 °C
2: NaIO4 / diethyl ether; H2O / 12 h / 20 - 25 °C
3: NaBH4 / methanol / 2 h / 20 - 25 °C
4: 86.7 percent / diethyl azodicarboxylate, Ph3P / tetrahydrofuran / 1 h / 20 - 25 °C
5: NCS / dimethylformamide / 3 h / 70 °C
6: 90.3 percent / 4N NaOH / methanol / 2 h / Heating
View Scheme
4-(acetylamino)-2-hydroxy-3-(2-oxoethyl)benzoic acid methyl ester
202664-83-3

4-(acetylamino)-2-hydroxy-3-(2-oxoethyl)benzoic acid methyl ester

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: NaBH4 / methanol / 2 h / 20 - 25 °C
2: 86.7 percent / diethyl azodicarboxylate, Ph3P / tetrahydrofuran / 1 h / 20 - 25 °C
3: NCS / dimethylformamide / 3 h / 70 °C
4: 90.3 percent / 4N NaOH / methanol / 2 h / Heating
View Scheme
methyl 4-acetylamino-2-hydroxy-3-(2-hydroxyethyl)benzoate
202664-85-5

methyl 4-acetylamino-2-hydroxy-3-(2-hydroxyethyl)benzoate

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 86.7 percent / diethyl azodicarboxylate, Ph3P / tetrahydrofuran / 1 h / 20 - 25 °C
2: NCS / dimethylformamide / 3 h / 70 °C
3: 90.3 percent / 4N NaOH / methanol / 2 h / Heating
View Scheme
Multi-step reaction with 5 steps
1.1: triphenylphosphine / tetrahydrofuran / 0.25 h / 25 - 30 °C
1.2: 1 h / 10 - 30 °C
2.1: N-chloro-succinimide / N,N-dimethyl-formamide / 2.17 h / 25 - 75 °C
3.1: water; sodium hydroxide / methanol / 2.17 h / 25 - 55 °C
4.1: sulfuric acid / 8 h / 10 °C / Reflux
5.1: water; sodium hydroxide / methanol / 2 h / Reflux
View Scheme
methyl 4-acetylamino-2,3-dihydrobenzo[b]furan-7-carboxylate
149466-67-1

methyl 4-acetylamino-2,3-dihydrobenzo[b]furan-7-carboxylate

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NCS / dimethylformamide / 3 h / 70 °C
2: 90.3 percent / 4N NaOH / methanol / 2 h / Heating
View Scheme
Multi-step reaction with 4 steps
1: N-chloro-succinimide / N,N-dimethyl-formamide / 2.17 h / 25 - 75 °C
2: water; sodium hydroxide / methanol / 2.17 h / 25 - 55 °C
3: sulfuric acid / 8 h / 10 °C / Reflux
4: water; sodium hydroxide / methanol / 2 h / Reflux
View Scheme
Multi-step reaction with 2 steps
1: N-chloro-succinimide / N,N-dimethyl-formamide / 2 h / 65 °C
2: water; sodium hydroxide / 5 h
View Scheme
4-Acetylamino-3-(2,3-dihydroxy-propyl)-2-hydroxy-benzoic acid methyl ester

4-Acetylamino-3-(2,3-dihydroxy-propyl)-2-hydroxy-benzoic acid methyl ester

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: NaIO4 / diethyl ether; H2O / 12 h / 20 - 25 °C
2: NaBH4 / methanol / 2 h / 20 - 25 °C
3: 86.7 percent / diethyl azodicarboxylate, Ph3P / tetrahydrofuran / 1 h / 20 - 25 °C
4: NCS / dimethylformamide / 3 h / 70 °C
5: 90.3 percent / 4N NaOH / methanol / 2 h / Heating
View Scheme
7-bromo-5-chloro-2,3-dihydro-4-benzofuranamine

7-bromo-5-chloro-2,3-dihydro-4-benzofuranamine

carbon dioxide
124-38-9

carbon dioxide

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane; water1.1 parts (32.2%)
methyl 4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylate

methyl 4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylate

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
With water; sodium hydroxide In methanol for 2h; Reflux;
4-acetamido-3-bromo-5-chloro-2-hydroxybenzoic acid methyl ester

4-acetamido-3-bromo-5-chloro-2-hydroxybenzoic acid methyl ester

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: potassium carbonate / N,N-dimethyl acetamide / 0.5 h / 20 °C
1.2: 5 h / 50 °C
2.1: zinc / N,N-dimethyl acetamide / 22 h / 20 - 50 °C / Inert atmosphere
2.2: 0.5 h / 70 °C / Inert atmosphere
3.1: sodium hydroxide; 1-methoxy-2-propanol; water / 8 h / 90 °C
View Scheme
methyl 4-aminosalicylate
4136-97-4

methyl 4-aminosalicylate

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: acetic acid / 1 h / 40 °C
2.1: sulfuryl dichloride / ethyl acetate / 2 h / -5 - 0 °C
3.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 20 °C
4.1: potassium carbonate / N,N-dimethyl acetamide / 0.5 h / 20 °C
4.2: 5 h / 50 °C
5.1: zinc / N,N-dimethyl acetamide / 22 h / 20 - 50 °C / Inert atmosphere
5.2: 0.5 h / 70 °C / Inert atmosphere
6.1: sodium hydroxide; 1-methoxy-2-propanol; water / 8 h / 90 °C
View Scheme
4-Aminosalicylic acid
65-49-6

4-Aminosalicylic acid

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1.1: sulfuric acid / 6 h / 0 - 80 °C
2.1: acetic acid / 1 h / 40 °C
3.1: sulfuryl dichloride / ethyl acetate / 2 h / -5 - 0 °C
4.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 20 °C
5.1: potassium carbonate / N,N-dimethyl acetamide / 0.5 h / 20 °C
5.2: 5 h / 50 °C
6.1: zinc / N,N-dimethyl acetamide / 22 h / 20 - 50 °C / Inert atmosphere
6.2: 0.5 h / 70 °C / Inert atmosphere
7.1: sodium hydroxide; 1-methoxy-2-propanol; water / 8 h / 90 °C
View Scheme
methyl 4-acetylamino-5-chloro-2-hydroxybenzoate
24190-77-0

methyl 4-acetylamino-5-chloro-2-hydroxybenzoate

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: N-Bromosuccinimide / N,N-dimethyl-formamide / 20 °C
2.1: potassium carbonate / N,N-dimethyl acetamide / 0.5 h / 20 °C
2.2: 5 h / 50 °C
3.1: zinc / N,N-dimethyl acetamide / 22 h / 20 - 50 °C / Inert atmosphere
3.2: 0.5 h / 70 °C / Inert atmosphere
4.1: sodium hydroxide; 1-methoxy-2-propanol; water / 8 h / 90 °C
View Scheme
4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-5-chloro-2,3-dihydro-7-benzofurancarbonyl chloride

4-amino-5-chloro-2,3-dihydro-7-benzofurancarbonyl chloride

Conditions
ConditionsYield
In thionyl chloride; chloroform; toluene100%
4-amino-1-(3-methoxypropyl)piperidine
179474-79-4

4-amino-1-(3-methoxypropyl)piperidine

succinic acid
110-15-6

succinic acid

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

prucalopride succinic acid

prucalopride succinic acid

Conditions
ConditionsYield
Stage #1: 4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran for 1.5h;
Stage #2: 4-amino-1-(3-methoxypropyl)piperidine In tetrahydrofuran at 45℃; for 4h;
Stage #3: succinic acid In ethanol at 20℃; for 2h; Solvent; Reagent/catalyst; Temperature;
94%
methanol
67-56-1

methanol

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

methyl 4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylate

methyl 4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylate

Conditions
ConditionsYield
With thionyl chloride at 0 - 20℃; for 2h; Reflux;92.9%
With thionyl chloride at 0℃; Reflux;92.9%
4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
Stage #1: 4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide at 70℃; for 2.5h;
Stage #2: With ammonium hydroxide In N,N-dimethyl-formamide at 20 - 70℃; for 20h;
86%
4-amino-1-(3-methoxypropyl)piperidine
179474-79-4

4-amino-1-(3-methoxypropyl)piperidine

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

prucalopride
179474-81-8

prucalopride

Conditions
ConditionsYield
Stage #1: 4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid With 1,1'-carbonyldiimidazole In tetrahydrofuran for 0.416667h;
Stage #2: 4-amino-1-(3-methoxypropyl)piperidine In tetrahydrofuran at 45 - 50℃; for 4h;
85%
(4-((tetrahydro-2H-pyran-4-yl)methyl)morpholin-2-yl)methylamine hydrochloride

(4-((tetrahydro-2H-pyran-4-yl)methyl)morpholin-2-yl)methylamine hydrochloride

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-5-chloro-N-((4-((tetrahydro-2H-pyran-4-yl)methyl)morpholin-2-yl)methyl)-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-N-((4-((tetrahydro-2H-pyran-4-yl)methyl)morpholin-2-yl)methyl)-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In tetrahydrofuran at 20℃; for 20h;61%
4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amine-1-(3-fluoro)benzylpiperidine
160358-07-6

4-amine-1-(3-fluoro)benzylpiperidine

4-amino-5-chloro-N-(1-(3-fluorobenzyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-N-(1-(3-fluorobenzyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
Stage #1: 4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid With triethylamine; isobutyl chloroformate In dichloromethane at 0℃; for 2h;
Stage #2: 4-amine-1-(3-fluoro)benzylpiperidine In dichloromethane for 15h;
58.1%
1-(3-(cyclopentyloxy)propyl)piperidine-4-amine hydrochloride

1-(3-(cyclopentyloxy)propyl)piperidine-4-amine hydrochloride

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-5-chloro-N-(1-(3-(cyclopentyloxy)propyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-N-(1-(3-(cyclopentyloxy)propyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; for 4h;57%
4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-1-[(4-fluorophenyl)methyl]piperidine
92539-14-5

4-amino-1-[(4-fluorophenyl)methyl]piperidine

4-amino-5-chloro-N-(1-(4-fluorobenzyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-N-(1-(4-fluorobenzyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
Stage #1: 4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid With triethylamine; isobutyl chloroformate In dichloromethane at 0℃; for 2h;
Stage #2: 4-amino-1-[(4-fluorophenyl)methyl]piperidine In dichloromethane for 15h;
54%
1-((tetrahydro-2H-pyran-4-yl)methyl)piperidine-4-amine hydrochloride

1-((tetrahydro-2H-pyran-4-yl)methyl)piperidine-4-amine hydrochloride

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-5-chloro-N-(1-((tetrahydro-2H-pyran-4-yl)methyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-N-(1-((tetrahydro-2H-pyran-4-yl)methyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; for 20h;52%
ClH*C12H20N4O2S

ClH*C12H20N4O2S

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

C21H26ClN5O4S

C21H26ClN5O4S

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; for 16h;52%
2-(aminomethyl)morpholine-4-carboxylic acid tert-butyl ester
140645-53-0

2-(aminomethyl)morpholine-4-carboxylic acid tert-butyl ester

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

2-((4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamido)methyl)morpholine-4-carboxylic acid tert-butyl ester

2-((4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamido)methyl)morpholine-4-carboxylic acid tert-butyl ester

Conditions
ConditionsYield
Stage #1: 4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid With triethylamine; isobutyl chloroformate In dichloromethane at 0℃; for 1h;
Stage #2: 2-(aminomethyl)morpholine-4-carboxylic acid tert-butyl ester In dichloromethane for 29.5h;
51.9%
1-(tetrahydro-2H-pyran-4-yl)piperidine-4-amine hydrochloride
876716-13-1

1-(tetrahydro-2H-pyran-4-yl)piperidine-4-amine hydrochloride

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-5-chloro-N-(1-(tetrahydro-2H-pyran-4-yl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-N-(1-(tetrahydro-2H-pyran-4-yl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In tetrahydrofuran at 20℃; for 20h;46%
methyl 2-(3-(4-aminopiperidin-1-yl)propoxy)pyrimidine-4-carboxylate hydrochloride

methyl 2-(3-(4-aminopiperidin-1-yl)propoxy)pyrimidine-4-carboxylate hydrochloride

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

methyl 2-(3-(4-(4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamido)piperidin-1-yl)propoxy)pyrimidine-4-carboxylate

methyl 2-(3-(4-(4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamido)piperidin-1-yl)propoxy)pyrimidine-4-carboxylate

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; for 22h;39%
2-(3-(4-aminopiperidin-1-yl)propoxy)-4-methylthiazole-5-carboxamide hydrochloride

2-(3-(4-aminopiperidin-1-yl)propoxy)-4-methylthiazole-5-carboxamide hydrochloride

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

2-(3-(4-(4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamido)piperidin-1-yl)propoxy)-4-methylthiazole-5-carboxamide

2-(3-(4-(4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamido)piperidin-1-yl)propoxy)-4-methylthiazole-5-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; for 16h;39%
1-(3-((5-fluoropyrimidin-2-yl)oxy)propyl)piperidine-4-amine hydrochloride

1-(3-((5-fluoropyrimidin-2-yl)oxy)propyl)piperidine-4-amine hydrochloride

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-5-chloro-N-(1-(3-((5-fluoropyrimidin-2-yl)oxy)propyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-N-(1-(3-((5-fluoropyrimidin-2-yl)oxy)propyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; for 22h;37%
(4-(tetrahydro-2H-pyran-4-yl)morpholin-2-yl)methylamine hydrochloride

(4-(tetrahydro-2H-pyran-4-yl)morpholin-2-yl)methylamine hydrochloride

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-5-chloro-N-((4-(tetrahydro-2H-pyran-4-yl)morpholin-2-yl)methyl)-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-N-((4-(tetrahydro-2H-pyran-4-yl)morpholin-2-yl)methyl)-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; for 12h;36%
1-(2-((5-fluoropyrimidin-2-yl)oxy)ethyl)piperidine-4-amine hydrochloride

1-(2-((5-fluoropyrimidin-2-yl)oxy)ethyl)piperidine-4-amine hydrochloride

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-5-chloro-N-(1-(2-((5-fluoropyrimidin-2-yl)oxy)ethyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-N-(1-(2-((5-fluoropyrimidin-2-yl)oxy)ethyl)piperidin-4-yl)-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; for 12h;30%
(4-(3-methoxypropyl)morpholin-2-yl)methylamine hydrochloride

(4-(3-methoxypropyl)morpholin-2-yl)methylamine hydrochloride

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-amino-5-chloro-N-((4-(3-methoxypropyl)morpholin-2-yl)methyl)-2,3-dihydrobenzofuran-7-carboxamide

4-amino-5-chloro-N-((4-(3-methoxypropyl)morpholin-2-yl)methyl)-2,3-dihydrobenzofuran-7-carboxamide

Conditions
ConditionsYield
Stage #1: 4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid With triethylamine; isobutyl chloroformate In dichloromethane at 0℃; for 4h;
Stage #2: (4-(3-methoxypropyl)morpholin-2-yl)methylamine hydrochloride In dichloromethane at 20℃; for 19h;
25%
1-piperidinoethanol
3040-44-6

1-piperidinoethanol

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid 2-piperidin-1-yl-ethyl ester

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid 2-piperidin-1-yl-ethyl ester

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,1'-carbonyldiimidazole 1.) THF, 40 deg C, 1 h, 2.) DMF, 40 deg C, 2 h; Multistep reaction;
1-(2-aminoethyl)piperidine
27578-60-5

1-(2-aminoethyl)piperidine

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid (2-piperidin-1-yl-ethyl)-amide

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid (2-piperidin-1-yl-ethyl)-amide

Conditions
ConditionsYield
With 1,1'-carbonyldiimidazole 1.) THF, 40 deg C, 1 h, 2.) THF, 40 deg C, 2 h; Multistep reaction;
1-(3-aminopropyl)piperidine
3529-08-6

1-(3-aminopropyl)piperidine

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid (3-piperidin-1-yl-propyl)-amide; hydrochloride

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid (3-piperidin-1-yl-propyl)-amide; hydrochloride

Conditions
ConditionsYield
With 1,1'-carbonyldiimidazole 1.) THF, 40 deg C, 1 h, 2.) THF, 40 deg C, 2 h; Multistep reaction;
3-piperidinopropan-1-ol
104-58-5

3-piperidinopropan-1-ol

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid 3-piperidin-1-yl-propyl ester

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid 3-piperidin-1-yl-propyl ester

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,1'-carbonyldiimidazole 1.) THF, 40 deg C, 1 h, 2.) DMF, 40 deg C, 2 h; Multistep reaction;
1-(1-butyl-4-piperidinyl)methanamine
65017-57-4

1-(1-butyl-4-piperidinyl)methanamine

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid (1-butyl-piperidin-4-ylmethyl)-amide

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid (1-butyl-piperidin-4-ylmethyl)-amide

Conditions
ConditionsYield
With 1,1'-carbonyldiimidazole 1.) THF, 40 deg C, 1 h, 2.) THF, 40 deg C, 2 h; Multistep reaction;
(S)-3-aminoquinuclidine
120570-05-0

(S)-3-aminoquinuclidine

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

ADR-932

ADR-932

Conditions
ConditionsYield
With 1,1'-carbonyldiimidazole 1.) THF, 40 deg C, 1 h, 2.) THF, 40 deg C, 2 h; Multistep reaction;
(R)-3-aminoquinuclinine
123536-15-2

(R)-3-aminoquinuclinine

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

C16H20ClN3O2

C16H20ClN3O2

Conditions
ConditionsYield
With 1,1'-carbonyldiimidazole 1.) THF, 40 deg C, 1 h, 2.) THF, 40 deg C, 2 h; Multistep reaction;
N-butyl-4-hydroxymethyl-piperidine
148703-15-5

N-butyl-4-hydroxymethyl-piperidine

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid 1-butyl-piperidin-4-ylmethyl ester; hydrochloride

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid 1-butyl-piperidin-4-ylmethyl ester; hydrochloride

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,1'-carbonyldiimidazole 1.) THF, 40 deg C, 1 h, 2.) DMF, 40 deg C, 2 h; Multistep reaction;
4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid
123654-26-2

4-amino-5-chloro-2,3-dihydrobenzo[b]furan-7-carboxylic acid

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid (S)-(1-aza-bicyclo[2.2.2]oct-3-yl) ester

4-Amino-5-chloro-2,3-dihydro-benzofuran-7-carboxylic acid (S)-(1-aza-bicyclo[2.2.2]oct-3-yl) ester

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,1'-carbonyldiimidazole 1.) THF, 40 deg C, 1 h, 2.) DMF, 40 deg C, 2 h; Multistep reaction;
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