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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Description White to off-white powder White powder Assay ≥98.5%

Kono Chem Co.,Ltd

highest purity most favorable price Test/Observation Specifications Result Appearance White powder Complies

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

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. Near 20 years DayangChem has provided dif

3,3,3,20,20-bis-(Ethylene-dioxy)-5a, 17a-dihydroxy-11b-[4-(N,N-dimethylamino)-phenyl]-19-norpregna-9(11)-ene

Cas:126690-41-3

Min.Order:1 Gram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

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

Hubei DiBo chemical co., LTD

Name:Ulipristal acetate intermediate N-2 The alias:Ulipristal acetate intermediate CAS NO:126690-41-3 EINECS NO:1592732-453-0 Molecular formula:C32H45NO6 Molecular weight:539.7 Product Quality 12 years of chemical raw materials Mature op

Ulipristal acetate intermediate N-2/CAS:126690-41-3/High quality

Cas:126690-41-3

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Ality Chemical Corporation

(5a,11b)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-ethanediyl acetal) Basic information Product Name: (5a,11b)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-et

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

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

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

Chinese StandardCAS 126690-41-3 with high-quality service

Cas:126690-41-3

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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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

Qingdao Beluga Import and Export Co., LTD

(5a,11b)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-ethanediyl acetal) CAS:126690-41-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and develo

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

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

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

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

3,3,3,20,20-bis-(Ethylene-dioxy)-5a, 17a-dihydroxy-11b-[[]4-((N,N-dimethylamino)-phenyl]-19-norpregna-9(11)-ene

Cas:126690-41-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hebei Kunsui Technology Co., Ltd.

1. A strong scientific research team . 2. Stable quality (with a complete scientific research center and testing center to ensure the quality stability of each batch of products). 3. Rich export experience (with practical experience in exporting to m

Siwei Development Group Ltd.

Product name: 3,20-Bis-Ethylenedioxy-5alpha,17alpha-Dihydroxy-11beta-(4-N,N-Dimethylamnophenyl)-19-Norpregn-9-Ene CAS No.:126690-41-3 Molecule Formula:C32H45NO6 Molecule Weight:539.70 Purity: 99.0% Package: 1kg/drum Description:White powder Ma

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,

N-dimethylaminophenyl)-19-norpregn-9-ene

Cas:126690-41-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

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,

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

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

(5a,11b)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-ethanediyl acetal)

Cas:126690-41-3

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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

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

Triumph International Development Limilted

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

3,3,3,20,20-Bis(ethylene-dioxy) -5α, 17α-dihydroxy-11β-

Cas:126690-41-3

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

Win-Win chemical Co.Ltd

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

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

Synthetic route

3,3,20,20-bis(ethylenedioxy)-17α-hydroxy-5α,10α-epoxy-19-norpregna-9(11)-ene

3,3,20,20-bis(ethylenedioxy)-17α-hydroxy-5α,10α-epoxy-19-norpregna-9(11)-ene

4-dimethylaminophenylmagnesium bromide
7353-91-5

4-dimethylaminophenylmagnesium bromide

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

Conditions
ConditionsYield
With copper(l) iodide; dimethylsulfide In tetrahydrofuran at 20℃;93%
4-bromo-N,N-dimethylaniline
586-77-6

4-bromo-N,N-dimethylaniline

5α,10α-epoxy-17α-hydroxy-19-norpregn-9(11)-ene-3,20-dione 3,20-bis(ethylene acetal)
54201-83-1

5α,10α-epoxy-17α-hydroxy-19-norpregn-9(11)-ene-3,20-dione 3,20-bis(ethylene acetal)

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

Conditions
ConditionsYield
Stage #1: 4-bromo-N,N-dimethylaniline With 1,1-Dibromoethane; iodine; magnesium In tetrahydrofuran for 1.5h;
Stage #2: 5α,10α-epoxy-17α-hydroxy-19-norpregn-9(11)-ene-3,20-dione 3,20-bis(ethylene acetal) With copper(l) chloride In tetrahydrofuran at 20℃; for 1h; Grignard reaction;
76%
3,3,20,20-bis(ethylene-dioxy)-17α-hydroxy-5,10-epoxy-19-norpregn-9(11)-ene

3,3,20,20-bis(ethylene-dioxy)-17α-hydroxy-5,10-epoxy-19-norpregn-9(11)-ene

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

Conditions
ConditionsYield
Stage #1: 4-bromo-N,N-dimethylaniline With magnesium; ethylene dibromide In tetrahydrofuran at 15 - 50℃; for 2.08333h;
Stage #2: 3,3,20,20-bis(ethylene-dioxy)-17α-hydroxy-5,10-epoxy-19-norpregn-9(11)-ene; copper(l) chloride In tetrahydrofuran; dichloromethane at 15 - 25℃; for 2.75h;
Stage #3: With water; ammonium chloride In tetrahydrofuran; dichloromethane Product distribution / selectivity;
46%
17α-hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione 3,20-bis(ethylene acetal)
54201-84-2

17α-hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione 3,20-bis(ethylene acetal)

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 54.3 percent / 30 percent H2O2; (CF3)2CO*3H2O; Na2HPO4 / CH2Cl2 / 7.5 h / 4 °C
2.1: Mg; I2; dibromoethane / tetrahydrofuran / 1.5 h
2.2: 76 percent / CuCl / tetrahydrofuran / 1 h / 20 °C
View Scheme
3,3-(ethylene-dioxy)-17β-cyano-17α-hydroxy-19-norpregna-5(10),9(11)-diene

3,3-(ethylene-dioxy)-17β-cyano-17α-hydroxy-19-norpregna-5(10),9(11)-diene

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: 98 percent / DMAP; TEA / tetrahydrofuran / 20 °C
2.1: Li; di-t-butyl biphenyl / tetrahydrofuran / 2.25 h / -70 °C
2.2: HC(OEt)3; p-TsOH / CH2Cl2 / 20 °C
3.1: 54.3 percent / 30 percent H2O2; (CF3)2CO*3H2O; Na2HPO4 / CH2Cl2 / 7.5 h / 4 °C
4.1: Mg; I2; dibromoethane / tetrahydrofuran / 1.5 h
4.2: 76 percent / CuCl / tetrahydrofuran / 1 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1.1: dmap; triethylamine / tetrahydrofuran / 12 h / 5 - 20 °C
2.1: copper(I) bromide / tetrahydrofuran; toluene / 23 h / 20 °C
3.1: orthoformic acid triethyl ester; toluene-4-sulfonic acid / dichloromethane / 18 h / 20 °C
3.2: 0.42 h / 4 °C
4.1: copper(l) iodide; dimethylsulfide / tetrahydrofuran / 20 °C
View Scheme
3,3-ethylenedioxy-17β-cyano-17α-chloromethyl(dimethyl)siloxy estren-5(10),9(11)diene
290825-36-4

3,3-ethylenedioxy-17β-cyano-17α-chloromethyl(dimethyl)siloxy estren-5(10),9(11)diene

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: Li; di-t-butyl biphenyl / tetrahydrofuran / 2.25 h / -70 °C
1.2: HC(OEt)3; p-TsOH / CH2Cl2 / 20 °C
2.1: 54.3 percent / 30 percent H2O2; (CF3)2CO*3H2O; Na2HPO4 / CH2Cl2 / 7.5 h / 4 °C
3.1: Mg; I2; dibromoethane / tetrahydrofuran / 1.5 h
3.2: 76 percent / CuCl / tetrahydrofuran / 1 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1.1: copper(I) bromide / tetrahydrofuran; toluene / 23 h / 20 °C
2.1: orthoformic acid triethyl ester; toluene-4-sulfonic acid / dichloromethane / 18 h / 20 °C
2.2: 0.42 h / 4 °C
3.1: copper(l) iodide; dimethylsulfide / tetrahydrofuran / 20 °C
View Scheme
4-bromo-N,N-dimethylaniline
586-77-6

4-bromo-N,N-dimethylaniline

3,3,20,20-bis(ethylene-dioxy)-17α-hydroxy-5β,10β-epoxy-19-norpregna-9(11)-ene

3,3,20,20-bis(ethylene-dioxy)-17α-hydroxy-5β,10β-epoxy-19-norpregna-9(11)-ene

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

Conditions
ConditionsYield
Stage #1: 4-bromo-N,N-dimethylaniline With magnesium In tetrahydrofuran; dichloromethane at 40 - 50℃; for 3h; Large scale;
Stage #2: 3,3,20,20-bis(ethylene-dioxy)-17α-hydroxy-5β,10β-epoxy-19-norpregna-9(11)-ene With copper(l) chloride In tetrahydrofuran; dichloromethane at 10 - 20℃; for 2h; Cooling with ice; Large scale;
957g
4-bromo-N,N-dimethylaniline
586-77-6

4-bromo-N,N-dimethylaniline

C24H34O6

C24H34O6

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

Conditions
ConditionsYield
With magnesium; copper dichloride In tetrahydrofuran; ethylene dibromide at 10 - 25℃; for 2.5h;
C24H34O5

C24H34O5

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: dihydrogen peroxide; pyridine; 1,1,1,3,3,3-hexafluoro-2-propanone trihydrate / dichloromethane / -10 - 5 °C
2: magnesium; copper dichloride / tetrahydrofuran; ethylene dibromide / 2.5 h / 10 - 25 °C
View Scheme
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

CDB-3236
159811-51-5

CDB-3236

Conditions
ConditionsYield
With sulfuric acid In ethanol for 1h; Heating;88%
Stage #1: 3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene With potassium hydrogensulfate; water at 5℃; for 4h;
Stage #2: With potassium hydroxide; water In dichloromethane Product distribution / selectivity;
With hydrogenchloride; water at 25℃; for 2h;
With hydrogenchloride In water at 25℃; for 2h;
propionic acid
802294-64-0

propionic acid

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

11β-[4-(N,N-dimethylamino)phenyl]-17α-propionyloxy-19-norpregna-4,9-diene-3,10-dione

11β-[4-(N,N-dimethylamino)phenyl]-17α-propionyloxy-19-norpregna-4,9-diene-3,10-dione

Conditions
ConditionsYield
With toluene-4-sulfonic acid; trifluoroacetic anhydride In dichloromethane; water at 0℃; for 1h;47%
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

ulipristal acetate
126784-99-4

ulipristal acetate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 88 percent / aq. H2SO4 / ethanol / 1 h / Heating
2: 68 percent / p-TsOH / CH2Cl2 / 0.33 h / 0 °C
View Scheme
acetic anhydride
108-24-7

acetic anhydride

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
126690-41-3

3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene

ulipristal acetate
126784-99-4

ulipristal acetate

Conditions
ConditionsYield
With perchloric acid; acetic acid In dichloromethane at -10 - 0℃; for 0.5h; Cooling with ice;

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