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Basic Information
CAS No.: 159811-51-5
Name: Ulipristal
Molecular Structure:
Molecular Structure of 159811-51-5 (Ulipristal)
Formula: C28H35 N O3
Molecular Weight: 433.591
Synonyms: CDB3236; Deacetyl CDB 2914; Ulipristal
Density: 1.20
Melting Point: 183.5-184.5oC /Losartan/
Boiling Point: 638.5±55.0 °C(Predicted)
PSA: 57.61000
LogP: 4.97220
Related products
Synthetic route

C31H43NO4

159811-51-5

CDB-3236

Conditions
ConditionsYield
With hydrogenchloride In methanol; water at 20℃; for 1h; Industrial scale;98.2%
126690-41-3

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

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;

11β-(4-N,N-dimethylaminophenyl)-17α-hydroxy-20-methoxy-19-norpregna-4,9,20-triene-3-one

159811-51-5

CDB-3236

Conditions
ConditionsYield
With acetic acid In water at 25℃; for 1h;74%
With hydrogenchloride In methanol at 20℃; for 0.5h;70%
1094602-02-4

11β-[4-(N,N-dimethylamino)phenyl]-3,3-ethylenedioxy-5,17α-bis[(trimethylsilyl)oxy]-5α-estr-9-en-17β-carbonitrile

917-54-4

methyllithium

159811-51-5

CDB-3236

Conditions
ConditionsYield
Stage #1: 11β-[4-(N,N-dimethylamino)phenyl]-3,3-ethylenedioxy-5,17α-bis[(trimethylsilyl)oxy]-5α-estr-9-en-17β-carbonitrile; methyllithium With N,N,N,N,-tetramethylethylenediamine at -50 - -35℃; for 3h;
Stage #2: With water at 20℃;
Stage #3: With sulfuric acid In methanol at 40℃; for 3h;		70.7%
91934-94-0

11β-[4-(N,N-dimethylamino)phenyl]-3,3-ethylenedioxy-5α-hydroxy-17α-[(trimethylsilyl)oxy]-5α-estr-9-en-17β-carbonitrile

917-54-4

methyllithium

159811-51-5

CDB-3236

Conditions
ConditionsYield
Stage #1: 11β-[4-(N,N-dimethylamino)phenyl]-3,3-ethylenedioxy-5α-hydroxy-17α-[(trimethylsilyl)oxy]-5α-estr-9-en-17β-carbonitrile; methyllithium With N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran at -50 - -40℃; for 3h;
Stage #2: With water In tetrahydrofuran at 20℃;
Stage #3: With sulfuric acid In methanol at 40℃; for 3h;		70%
54201-84-2

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

159811-51-5

CDB-3236

Conditions
ConditionsYield
Multi-step reaction with 3 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
3.1: 88 percent / aq. H2SO4 / ethanol / 1 h / Heating
View Scheme
Multi-step reaction with 3 steps
1.1: Hexafluoroacetone; dihydrogen peroxide / dichloromethane; pyridine / -5 - 5 °C / Large scale
2.1: magnesium; copper(l) chloride / tetrahydrofuran / 3 h / 25 - 50 °C / Large scale
2.2: 2 h / 10 - 20 °C / Large scale
3.1: hydrogenchloride / 2 h / 25 °C
View Scheme
54201-83-1

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

159811-51-5

CDB-3236

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: Mg; I2; dibromoethane / tetrahydrofuran / 1.5 h
1.2: 76 percent / CuCl / tetrahydrofuran / 1 h / 20 °C
2.1: 88 percent / aq. H2SO4 / ethanol / 1 h / Heating
View Scheme
Multi-step reaction with 2 steps
1.1: magnesium; copper(l) chloride / tetrahydrofuran / 3 h / 25 - 50 °C / Large scale
1.2: 2 h / 10 - 20 °C / Large scale
2.1: hydrogenchloride / 2 h / 25 °C
View Scheme

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

159811-51-5

CDB-3236

Conditions
ConditionsYield
Multi-step reaction with 5 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
5.1: 88 percent / aq. H2SO4 / ethanol / 1 h / Heating
View Scheme
Multi-step reaction with 6 steps
1.1: toluene-4-sulfonic acid / tetrahydrofuran / 3 h / 20 °C / Cooling; Large scale
2.1: tetrahydrofuran; diethyl ether / 8 h / 0 - 20 °C / Cooling; Large scale
3.1: trimethyl orthoformate; toluene-4-sulfonic acid / dichloromethane / 5 h / 20 - 25 °C / Large scale
4.1: Hexafluoroacetone; dihydrogen peroxide / dichloromethane; pyridine / -5 - 5 °C / Large scale
5.1: magnesium; copper(l) chloride / tetrahydrofuran / 3 h / 25 - 50 °C / Large scale
5.2: 2 h / 10 - 20 °C / Large scale
6.1: hydrogenchloride / 2 h / 25 °C
View Scheme
Multi-step reaction with 6 steps
1.1: toluene-4-sulfonic acid / tetrahydrofuran / 4 h / 20 °C / Cooling; Large scale
2.1: tetrahydrofuran; 2-methyltetrahydrofuran / 0 - 10 °C
3.1: trimethyl orthoformate; toluene-4-sulfonic acid / dichloromethane / 5 h / 20 - 25 °C / Large scale
4.1: Hexafluoroacetone; dihydrogen peroxide / dichloromethane; pyridine / -5 - 5 °C / Large scale
5.1: magnesium; copper(l) chloride / tetrahydrofuran / 3 h / 25 - 50 °C / Large scale
5.2: 2 h / 10 - 20 °C / Large scale
6.1: hydrogenchloride / 2 h / 25 °C
View Scheme
Multi-step reaction with 6 steps
1.1: toluene-4-sulfonic acid / tetrahydrofuran / 4 h / 20 °C / Cooling; Large scale
2.1: tetrahydrofuran; 2-methyltetrahydrofuran / 0 - 10 °C
3.1: trimethyl orthoformate; toluene-4-sulfonic acid / dichloromethane / 5 h / 20 - 25 °C / Large scale
4.1: Hexafluoroacetone; dihydrogen peroxide / dichloromethane; pyridine / -5 - 5 °C / Large scale
5.1: magnesium; copper(l) chloride / tetrahydrofuran / 3 h / 25 - 50 °C / Large scale
5.2: 2 h / 10 - 20 °C / Large scale
6.1: hydrogenchloride / 2 h / 25 °C
View Scheme
Multi-step reaction with 6 steps
1.1: toluene-4-sulfonic acid / tetrahydrofuran / 4 h / 20 °C / Cooling; Large scale
2.1: tetrahydrofuran; 2-methyltetrahydrofuran / 0 - 10 °C
3.1: trimethyl orthoformate; toluene-4-sulfonic acid / dichloromethane / 5 h / 20 - 25 °C / Large scale
4.1: Hexafluoroacetone; dihydrogen peroxide / dichloromethane; pyridine / -5 - 5 °C / Large scale
5.1: magnesium; copper(l) chloride / tetrahydrofuran / 3 h / 25 - 50 °C / Large scale
5.2: 2 h / 10 - 20 °C / Large scale
6.1: hydrogenchloride / 2 h / 25 °C
View Scheme
290825-36-4

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

159811-51-5

CDB-3236

Conditions
ConditionsYield
Multi-step reaction with 4 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
4.1: 88 percent / aq. H2SO4 / ethanol / 1 h / Heating
View Scheme
137532-55-9

3-(ethylenedioxy)estra-5α,10α-epoxy-17α-ethynyl-17β-hydroxy-9(11)-ene

159811-51-5

CDB-3236

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: magnesium; iodine / tetrahydrofuran / 20 - 50 °C / Inert atmosphere
1.2: 1 h / 0 °C / Inert atmosphere
2.1: triethylamine; acetic acid / Inert atmosphere
3.1: sodium methylate / methanol
4.1: Acidic conditions
View Scheme
Multi-step reaction with 5 steps
1.1: magnesium; iodine / tetrahydrofuran / 20 - 50 °C / Inert atmosphere
1.2: 1 h / 0 °C / Inert atmosphere
2.1: sulfuric acid / water; ethanol / 2 h / 70 °C / Inert atmosphere
3.1: triethylamine / tetrahydrofuran / 2 h / -78 - -70 °C / Inert atmosphere
4.1: sodium methylate / methanol / 1 h / 70 °C / Inert atmosphere
4.2: 2 h / 70 °C / Inert atmosphere
5.1: hydrogenchloride / methanol / 0.5 h / 20 °C
View Scheme
Multi-step reaction with 4 steps
1.1: magnesium / tetrahydrofuran; ethylene dibromide / 3 h / 45 °C / Industrial scale
1.2: 0 °C / Industrial scale
2.1: triethylamine / dichloromethane / 0.08 h / 0 °C / Industrial scale
2.2: 2 h / -5 - 0 °C / Industrial scale
3.1: methanol / 2.5 h / 70 °C / Industrial scale
3.2: 5 h / 70 °C / Industrial scale
4.1: hydrogenchloride / methanol; water / 1 h / 20 °C / Industrial scale
View Scheme
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  • Ulipristal

  • Casno:

    159811-51-5

    Ulipristal

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    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 produc

    Shanghai Wibson Biotechnology Co., Ltd. is a high-tech enterprise that mainly develops and sells pharmaceutical and chemical raw materials and other related products. The company h

  •  Shanghai Wibson Biotechnology Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8616712853577-571-639871

    Address:No. 22, Lane 121, Yucai Road, Songyin, Tinglin Town, Jinshan District, Shanghai (Songyin Economic Community)

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  • Reliable Quality Ulipristal

  • Casno:

    159811-51-5

    Reliable Quality Ulipristal

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    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

    Jiangsu Qianyu Molecular Technology Co., LTD. Jiangsu Qianyu Molecular Technology is a high-tech medical and health enterprise,located in a developed transportation city Xuzhou, Ch

  •  Jiangsu Qianyu Molecular Technology Co., LTD.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86 18652199763

    Address:No.2-812, Zhongyin Plaza,Yunlong District

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  • Ulipristal

  • Casno:

    159811-51-5

    Ulipristal

    Min.Order: 1 Gram

    FOB Price:  USD $ 66.0-66.0

    Ulipristal Chemical Properties Boiling point 638.5±55.0 °C(Predicted) density 1.20 storage temp. Sealed in dry,Room Temperature pka 12.94±0.60(Predicted)

    SHANGHAI MINSTAR CHEMICAL CO., LTD. is a leading, experienced, professional supplier of API & intermediates, make-to-order, plant extract, food additive, fine chemicals and industr

  •  Shanghai Minstar Chemical Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-21-18019205509

    Address:BUILDING 8, NO.1098, CHUANSHA ROAD, SHANGHAI, CHINA

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  • Deacetyl CDB 2914

  • Casno:

    159811-51-5

    Deacetyl CDB 2914

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

    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. Qui

    RongNa Biotechnology Co.,Ltd is a biotechnology enterprise engaged in the R&D, production and sales of drugs, steroids, peptides, raw materials, vitamins, food additives, animal an

  •  RongNa Biotechnology Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-18560316533

    Address:No. 416, 4th floor, zhongguancun science and technology city, no. 1, west 6th road, zhangdian district

       Inquiry Now

  • Ulipristal

  • Casno:

    159811-51-5

    Ulipristal

    Min.Order: 1 Milligram

    FOB Price:  USD $ 10.0-10.0

    Q1:Are you manufacturer or trading company? A1: Manufacturer. Q2: Can I get some sample? A2: Yes Q3: What's your MOQ? A3: Our MOQ is flexible.different price for different quantity Q4: Is there a discount? A4: Of course, welcome to contact us.

    WEIFANG YANGXU GROUP Co., Ltd was founded in 1996. More than 20 years full efforts, YANGXU chemical has grown to be a large enzyme peptide chemical enterprise, specializing in expl

  •  weifang yangxu group co.,ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+08613666361637--

    Address:No 5.dongfeng east street.gaoxin district.weifang city.

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  • Ulipristal

  • Casno:

    159811-51-5

    Ulipristal

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 2.0-2.0

    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 produc

    Welcome to Taizhou Zhenyu Biotech Co.,LTD , Sister Company of Ningbo Zhenlei Chemical co.,ltd ,is a rapid growing company , We are one of TOP supplier and manufactuer of Human APIs

  •  TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:15867601896

    Address:Room 623 Yulan Square Bussiness Building . Jiaojiang Taizhou Zhejiang 318000 China

       Inquiry Now

  • Ulipristal

  • Casno:

    159811-51-5

    Ulipristal

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 1.5-1.5

    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

    KAISA GROUP INC.is the enterprise which is specialize in manfacturing and exporting avariety of Chemical in China. We have the strong economic base and comprehensive technology.We

  •  KAISA GROUP INC

    United States  |  Contact Details

    Business Type:Trading Company

    Tel:+1(314）954-83-86

    Address:1312 17th Street Suite 1402 Denver CO 80202

       Inquiry Now

  • Ulipristal

  • Casno:

    159811-51-5

    Ulipristal

    Min.Order: 1 Gram

    FOB Price:  USD $ 10.0-10.0

    LIDE PHARMACEUTICALS LIMITED is a professional leading manufacturer of chemicals and APIs in China. Our core business line covers APIs, Intermediates, Flavours and fragrances, Specialty chemicals, Dietary additives etc.We are specialized in chemical

    LIDE PHARMACEUTICALS LIMITED is one of the fastest growing pharmaceutical company in China. We have developed strategic partnership with our manufacturing associates having state o

  •  LIDE PHARMACEUTICALS LIMITED

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-25-58409506

    Address:11F, Building A1, No.288 North Zhongshan Road, Gulou District, Nanjing,210003, P.R.China.

       Inquiry Now

  • Ulipristal

  • Casno:

    159811-51-5

    Ulipristal

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 9.0-9.0

    Company name: Falcon Life Sciences Pvt. Ltd. was established in 2015, specializing in the sales and production of intermediates and raw materials. We are committed to providing customers with quality products and excellent service. We firmly believ

    Falcon Life Sciences Pvt. Ltd. based in Xi'an, China is trading in pharma intermediates, APIs and herbal extracts. The company is exporting pharma products and also providing sourc

  •  Falcon Life Sciences Pvt. Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-1320721613-17791785910

    Address:No.53 Da Qing Lu

       Inquiry Now

  • Ulipristal

  • Casno:

    159811-51-5

    Ulipristal

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 10000.0-10000.0

    Our advantages 1. High quality and competitive prices. (1)The overall purity is>99%. (2)We are manufacturers and can provide high-quality products at the factory price. 2. Fast and safe delivery. (1)Provide a tracking numbe

    Chengyuan Kaisheng takes "integrity, innovation, cooperation and win-win" as its core values, and is committed to creating value for customers, providing development platforms for

  •  Qingdao Chengyuan Kaisheng Industry and Trade Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-153-13788753

    Address:Room 360, Zhongbo International Business Building, No. 53, Xiangtan Road, Licang District

       Inquiry Now

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