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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

Darifenacin Manufacturer/High quality/Best price/In stock

Cas:133099-04-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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 API 99% Darifenacin 133099-04-4 GMP Manufacturer

Cas:133099-04-4

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

CHemwill -- Darifenacin (USP/EP)

Cas:133099-04-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

inquiry

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

Darifenacin

Cas:133099-04-4

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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

Pharmaceutical Grade CAS 133099-04-4 with competitive price

Cas:133099-04-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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

133099-04-4 Darifenacin/High quality/Best price/In stock

Cas:133099-04-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

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

Darifenacin

Cas:133099-04-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Darifenacin CAS: 133099-04-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediat

Darifenacin CAS: 133099-04-4

Cas:133099-04-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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

Darifenacin

Cas:133099-04-4

Min.Order:1 Kilogram

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

Darifenacin

Cas:133099-04-4

Min.Order:0

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

DARIFENACIN

Cas:133099-04-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

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

Darifenacin

Cas:133099-04-4

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

Darifenacin

Cas:133099-04-4

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

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

133099-04-4 Darifenacin /High quality/Best price/In stock

Cas:133099-04-4

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

TaiChem Taizhou Limited

Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site

Darifenacin

Cas:133099-04-4

Min.Order:10 Gram

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 o

133099-04-4 Darifenacin

Cas:133099-04-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: Darifenacin CAS No.:133099-04-4 Molecule Formula:C28H30N2O2 Molecule Weight:426.55 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING ITEMS

Best Quality Darifenacin with good supplier

Cas:133099-04-4

Min.Order:1 Kilogram

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,

Darifenacin

Cas:133099-04-4

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

133099-04-4 Darifenacin /High quality/Best price/In stock

Cas:133099-04-4

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

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

Darifenacin

Cas:133099-04-4

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

133099-04-4 Darifenacin /High quality/Best price/In stock

Cas:133099-04-4

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

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

Darifenacin

Cas:133099-04-4

Min.Order:0

Negotiable

Type:Manufacturers

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:Active Pharmaceutical I

Darifenacin

Cas:133099-04-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

133099-04-4 Darifenacin /High quality/Best price/In stock

Cas:133099-04-4

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hubei Vanz Pharm Co.,Ltd

ISO Factory/Good qualityAppearance:off white Storage:dry and cool place Package:10G/BAG; 1KG/BAG ;25KG/DRUM Application:Active pharaceutical ingredients Transportation:BY SEA,AIR,EXPRESS Port:SHANGHAI;BEIJING

Darifenacin

Cas:133099-04-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

133099-04-4 Darifenacin /High quality/Best price/In stock

Cas:133099-04-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment .5) We can do different t

99% up by HPLC Darifenacin 133099-04-4

Cas:133099-04-4

Min.Order:0

Negotiable

Type:Trading Company

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

Darifenacin

Cas:133099-04-4

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

Darifenacin

Cas:133099-04-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xi`an Eastling Biotech 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:Beijing or Guangzhou

Darifenacin

Cas:133099-04-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

(3S)-3-(1-carbonitrile-1,1-diphenylmethyl)-1-[2-(2,3-dihydro-1-benzofuran-5-yl)ethyl]pyrrolidine

(3S)-3-(1-carbonitrile-1,1-diphenylmethyl)-1-[2-(2,3-dihydro-1-benzofuran-5-yl)ethyl]pyrrolidine

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium hydroxide In iso-butanol for 48h; Reflux;80%
(2,3-dihydrobenzo[b]furan-5-yl)methyl chloride
55745-68-1

(2,3-dihydrobenzo[b]furan-5-yl)methyl chloride

potassium (S)-((3-(cyanodiphenylmethyl)pyrrolidin-1-yl)-methyl)trifluoroborate

potassium (S)-((3-(cyanodiphenylmethyl)pyrrolidin-1-yl)-methyl)trifluoroborate

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Stage #1: (2,3-dihydrobenzo[b]furan-5-yl)methyl chloride; potassium (S)-((3-(cyanodiphenylmethyl)pyrrolidin-1-yl)-methyl)trifluoroborate With potassium tert-butylate In tert-Amyl alcohol; water at 110℃; for 20h; Inert atmosphere;
Stage #2: With tetrabutylammomium bromide; potassium hydroxide In tert-Amyl alcohol at 110℃; for 24h; Inert atmosphere;
46%
2,3-dihydro-5-(2-bromoethyl)benzofuran
127264-14-6

2,3-dihydro-5-(2-bromoethyl)benzofuran

2,2-diphenyl-2-[(3S)-pyrrolidin-3-yl]acetamide
134002-25-8

2,2-diphenyl-2-[(3S)-pyrrolidin-3-yl]acetamide

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 2h; Heating / reflux;9%
With potassium phosphate In water; toluene at 20 - 90℃; for 3.5h; Product distribution / selectivity;
With potassium carbonate In water; toluene at 20 - 90℃; for 3.5h; Product distribution / selectivity;
With potassium phosphate In cyclohexane; water at 20 - 90℃; for 3.5h; Product distribution / selectivity;
With potassium hydroxide In acetonitrile at 40 - 50℃; for 18h; Product distribution / selectivity;
(S)-2-{1-[2-(benzofuran-5-yl)ethyl]-3-pyrrolidinyl}-2,2-diphenylacetamide
133033-99-5

(S)-2-{1-[2-(benzofuran-5-yl)ethyl]-3-pyrrolidinyl}-2,2-diphenylacetamide

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Stage #1: (S)-2-{1-[2-(benzofuran-5-yl)ethyl]-3-pyrrolidinyl}-2,2-diphenylacetamide With hydrogen; acetic acid; palladium 10% on activated carbon at 40℃; under 760.051 Torr; for 6h;
Stage #2: With sodium hydroxide In dichloromethane; water Product distribution / selectivity;
3-(S)-(-)-(1-carbamoyl-1,1-diphenylmethyl)-1-[2-(2,3-dihydrobenzofuran-5-yl)-2-oxoethyl]-pyrrolidine hydrochloride
133034-08-9

3-(S)-(-)-(1-carbamoyl-1,1-diphenylmethyl)-1-[2-(2,3-dihydrobenzofuran-5-yl)-2-oxoethyl]-pyrrolidine hydrochloride

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Stage #1: 3-(S)-(-)-(1-carbamoyl-1,1-diphenylmethyl)-1-[2-(2,3-dihydrobenzofuran-5-yl)-2-oxoethyl]-pyrrolidine hydrochloride With hydrogen; acetic acid; 5%-palladium/activated carbon at 80 - 90℃; for 7 - 8h;
Stage #2: With sodium hydroxide; water pH=10;
2,2-diphenyl-2-{(S)-1-[2-(2,3-dihydro-benzofuran-5-yl)-ethyl]-pyrrolidin-3-yl}-acetic acid methyl ester
1072227-73-6

2,2-diphenyl-2-{(S)-1-[2-(2,3-dihydro-benzofuran-5-yl)-ethyl]-pyrrolidin-3-yl}-acetic acid methyl ester

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
With ammonia In methanol at 28 - 45℃; for 5 - 7h; Product distribution / selectivity;
2,3-dihydro-5-(2-bromoethyl)benzofuran
127264-14-6

2,3-dihydro-5-(2-bromoethyl)benzofuran

(S)-2,2-diphenyl-2-(pyrrolidin-3-yl)-acetamide L-tartrate

(S)-2,2-diphenyl-2-(pyrrolidin-3-yl)-acetamide L-tartrate

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Stage #1: (S)-2,2-diphenyl-2-(pyrrolidin-3-yl)-acetamide L-tartrate With potassium carbonate In water at 25 - 30℃; for 0.5h;
Stage #2: 2,3-dihydro-5-(2-bromoethyl)benzofuran In water at 25 - 75℃; for 12h;
With potassium hydroxide In acetonitrile at 25 - 45℃; Product distribution / selectivity;
(S)-darifenacin hydrobromide
133099-07-7

(S)-darifenacin hydrobromide

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
With sodium hydroxide In water at 20 - 25℃; pH=12;
(S)-2,2-diphenyl-2-[1-(tert-butyloxycarbonyl)-3-pyrrolidinyl]acetonitrile
1189753-52-3

(S)-2,2-diphenyl-2-[1-(tert-butyloxycarbonyl)-3-pyrrolidinyl]acetonitrile

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: hydrogenchloride / methanol / 7 h / 20 - 30 °C
2.1: sulfuric acid / 12 h / 85 - 90 °C
3.1: ethanol / 1 h
4.1: potassium carbonate / water / 0.5 h / 25 - 30 °C
4.2: 12 h / 25 - 75 °C
View Scheme
(S)-2,2-diphenyl-2-(pyrrolidin-3-yl)-acetonitrile
133099-11-3

(S)-2,2-diphenyl-2-(pyrrolidin-3-yl)-acetonitrile

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sulfuric acid / 12 h / 85 - 90 °C
2.1: ethanol / 1 h
3.1: potassium carbonate / water / 0.5 h / 25 - 30 °C
3.2: 12 h / 25 - 75 °C
View Scheme
Multi-step reaction with 2 steps
1.1: sulfuric acid / 10 h / 95 - 100 °C
1.2: 25 - 30 °C
2.1: potassium hydroxide / acetonitrile / 18 h / 40 - 50 °C
View Scheme
Multi-step reaction with 2 steps
1.1: tetrahydrofuran / 16 h / 80 °C
1.2: 0.5 h
2.1: potassium tert-butylate / tert-Amyl alcohol; water / 20 h / 110 °C / Inert atmosphere
2.2: 24 h / 110 °C / Inert atmosphere
View Scheme
1-(2,3-dihydrobenzofuran-5-yl)ethanone
90843-31-5

1-(2,3-dihydrobenzofuran-5-yl)ethanone

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: toluene-4-sulfonic acid / methanol / 0.5 h / 0 - 5 °C
1.2: 6 h / 0 - 5 °C
2.1: sodium tetrahydroborate / tetrahydrofuran / 1 h / 5 - 10 °C / Inert atmosphere
2.2: 4 h / 45 - 50 °C / Inert atmosphere
3.1: potassium carbonate / water / 0.5 h / 25 - 30 °C
3.2: 12 h / 25 - 75 °C
View Scheme
2-bromo-1-(2,3-dihydrobenzofuran-5-yl)ethan-1-one
151427-19-9

2-bromo-1-(2,3-dihydrobenzofuran-5-yl)ethan-1-one

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium tetrahydroborate / tetrahydrofuran / 1 h / 5 - 10 °C / Inert atmosphere
1.2: 4 h / 45 - 50 °C / Inert atmosphere
2.1: potassium carbonate / water / 0.5 h / 25 - 30 °C
2.2: 12 h / 25 - 75 °C
View Scheme
2,3-Dihydrobenzofuran
496-16-2

2,3-Dihydrobenzofuran

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: aluminum (III) chloride / dichloromethane / 0.5 h / 0 - 5 °C / Inert atmosphere
1.2: 0.5 h / 0 - 5 °C / Inert atmosphere
2.1: toluene-4-sulfonic acid / methanol / 0.5 h / 0 - 5 °C
2.2: 6 h / 0 - 5 °C
3.1: sodium tetrahydroborate / tetrahydrofuran / 1 h / 5 - 10 °C / Inert atmosphere
3.2: 4 h / 45 - 50 °C / Inert atmosphere
4.1: potassium carbonate / water / 0.5 h / 25 - 30 °C
4.2: 12 h / 25 - 75 °C
View Scheme
2-(2,3-dihydrobenzofuran-5-yl)ethylchloride
943034-50-2

2-(2,3-dihydrobenzofuran-5-yl)ethylchloride

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium bromide / acetone / 48 h / Heating / reflux
2: potassium hydroxide / acetonitrile / 18 h / 40 - 50 °C
View Scheme
Multi-step reaction with 3 steps
1: sodium bromide / acetone / 48 h / Heating / reflux
2: potassium carbonate / acetonitrile
3: ammonia / methanol / 5 - 7 h / 28 - 45 °C
View Scheme
2,3-dihydro-5-(2-bromoethyl)benzofuran
127264-14-6

2,3-dihydro-5-(2-bromoethyl)benzofuran

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: potassium carbonate / acetonitrile
2: ammonia / methanol / 5 - 7 h / 28 - 45 °C
View Scheme
(S)-2,2-diphenyl-2-(pyrrolidin-3-yl)-acetamide L-tartrate

(S)-2,2-diphenyl-2-(pyrrolidin-3-yl)-acetamide L-tartrate

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium hydroxide / water / 0.33 h / 25 - 60 °C / pH 12 - 14
2: potassium hydroxide / acetonitrile / 18 h / 40 - 50 °C
View Scheme
(S)-diphenyl-[1-(toluene-4-sulfonyl)-pyrrolidin-3-yl]-acetonitrile
133099-09-9

(S)-diphenyl-[1-(toluene-4-sulfonyl)-pyrrolidin-3-yl]-acetonitrile

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: hydrogen bromide / water; phenol / 4 h / Heating / reflux
2.1: sulfuric acid / 10 h / 95 - 100 °C
2.2: 25 - 30 °C
3.1: potassium hydroxide / acetonitrile / 18 h / 40 - 50 °C
View Scheme
2,2-diphenyl-2-((S)-pyrrolidin-3-yl)-acetic acid methyl ester
1072227-71-4

2,2-diphenyl-2-((S)-pyrrolidin-3-yl)-acetic acid methyl ester

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: potassium carbonate / acetonitrile
2: ammonia / methanol / 5 - 7 h / 28 - 45 °C
View Scheme
methyl 2,2-diphenyl-2-((S)-1-tosyl-pyrrolidin-3-yl)-acetate
1072227-66-7

methyl 2,2-diphenyl-2-((S)-1-tosyl-pyrrolidin-3-yl)-acetate

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: hydrogen bromide; acetic acid
2: potassium carbonate / acetonitrile
3: ammonia / methanol / 5 - 7 h / 28 - 45 °C
View Scheme
Diphenylacetonitrile
86-29-3

Diphenylacetonitrile

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: potassium hydroxide / N,N-dimethyl-formamide / 2 h
1.2: 5 h / 95 - 100 °C
2.1: hydrogen bromide / water; phenol / 4 h / Heating / reflux
3.1: sulfuric acid / 10 h / 95 - 100 °C
3.2: 25 - 30 °C
4.1: potassium hydroxide / acetonitrile / 18 h / 40 - 50 °C
View Scheme
methyl 2,2-diphenylacetate
3469-00-9

methyl 2,2-diphenylacetate

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: sodium hydride / toluene / 1 h / 55 - 60 °C
1.2: 3 h / 25 - 30 °C / Heating / reflux
2.1: hydrogen bromide; acetic acid
3.1: potassium carbonate / acetonitrile
4.1: ammonia / methanol / 5 - 7 h / 28 - 45 °C
View Scheme
2-chloro-1-(2,3-dihydrobenzofuran-5-yl)ethanone
64089-34-5

2-chloro-1-(2,3-dihydrobenzofuran-5-yl)ethanone

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium tetrahydroborate; sulfuric acid / tetrahydrofuran / 10 h / -5 - 0 °C
2: sodium bromide / acetone / 48 h / Heating / reflux
3: potassium hydroxide / acetonitrile / 18 h / 40 - 50 °C
View Scheme
Multi-step reaction with 4 steps
1: sodium tetrahydroborate; sulfuric acid / tetrahydrofuran / 10 h / -5 - 0 °C
2: sodium bromide / acetone / 48 h / Heating / reflux
3: potassium carbonate / acetonitrile
4: ammonia / methanol / 5 - 7 h / 28 - 45 °C
View Scheme
C2H2O4*C18H18N2

C2H2O4*C18H18N2

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sodium hydroxide; water / 0.25 h / 50 - 60 °C / pH 12
2.1: sulfuric acid / 10 h / 95 - 100 °C
2.2: 25 - 30 °C
3.1: potassium hydroxide / acetonitrile / 18 h / 40 - 50 °C
View Scheme
(3R)-1-[2-(2,3-dihydro-1-benzofuran-5-yl)ethyl]pyrrolidin-3-ol
1190695-09-0

(3R)-1-[2-(2,3-dihydro-1-benzofuran-5-yl)ethyl]pyrrolidin-3-ol

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: triphenylphosphine; benzoic acid; diethylazodicarboxylate / toluene / 0 - 20 °C
1.2: 5 h / 20 °C
2.1: triethylamine / dichloromethane / -10 - 20 °C
3.1: sodium hydride / toluene / 2 h / Reflux
3.2: 9 h / Reflux
4.1: tetrabutylammomium bromide; potassium hydroxide / iso-butanol / 48 h / Reflux
View Scheme
(S)-1-[2-(2,3-dihydrobenzofuran-5-yl)ethyl]-3-hydroxypyrrolidine
1190695-10-3

(S)-1-[2-(2,3-dihydrobenzofuran-5-yl)ethyl]-3-hydroxypyrrolidine

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: triethylamine / dichloromethane / -10 - 20 °C
2.1: sodium hydride / toluene / 2 h / Reflux
2.2: 9 h / Reflux
3.1: tetrabutylammomium bromide; potassium hydroxide / iso-butanol / 48 h / Reflux
View Scheme
(S)-1-[2-(2,3-dihydrobenzofuran-5-yl)ethyl]-3-p-toluenesulfonylpyrrolidine
1190695-11-4

(S)-1-[2-(2,3-dihydrobenzofuran-5-yl)ethyl]-3-p-toluenesulfonylpyrrolidine

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium hydride / toluene / 2 h / Reflux
1.2: 9 h / Reflux
2.1: tetrabutylammomium bromide; potassium hydroxide / iso-butanol / 48 h / Reflux
View Scheme
2,2-diphenyl-2-[(3S)-pyrrolidin-3-yl]acetamide
134002-25-8

2,2-diphenyl-2-[(3S)-pyrrolidin-3-yl]acetamide

darifenacin
133099-04-4

darifenacin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: water / 50 - 60 °C
2: potassium hydroxide / acetonitrile / 25 - 45 °C
View Scheme
darifenacin
133099-04-4

darifenacin

(S)-darifenacin hydrobromide
133099-07-7

(S)-darifenacin hydrobromide

Conditions
ConditionsYield
With hydrogen bromide In water; acetone at 0 - 20℃; for 7h;75%
With hydrogen bromide In water; acetone65%
With hydrogen bromide In water; acetone for 1.25 - 2.33333h; Product distribution / selectivity;
darifenacin
133099-04-4

darifenacin

darifenacin hydrochloride
586346-94-3

darifenacin hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In water; acetone at 0 - 30℃; for 12h; Product distribution / selectivity;
With hydrogenchloride In water; acetone at 0 - 30℃; for 12h;

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