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1256387-87-7

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Basic Information
CAS No.: 1256387-87-7
Name: ledipasvir interMediate
Article Data: 9
Molecular Structure:
Molecular Structure of 1256387-87-7 (ledipasvir interMediate)
Formula: N/A
Molecular Weight: 439.363
Synonyms: (1R,3S,4S)-tert-butyl 3-(6-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d]iMidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate;2-Azabicyclo[2.2.1]heptane-2-carboxylic acid, 3-[6-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-benziMidazol-2-yl]-, 1,1-diMethylethyl ester, (1R,3S,4S)-;(1R,3S,4S)-3-[6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester;(1R,3S,4S)-2-tert-butyl-3-(6-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[D]iMidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate;2-Azabicyclo[2.2.1]heptane-2-carboxylic acid;(1R,3S,4S)-2-tert-butyl-3-(6-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[D]iMidazol-2-yl)-2-azabicyclo[2.2.1]hept;Ledipasvir Intermediate 09;Ledipasvir Intermediate 1
EINECS: -0
Density: 1.21±0.1 g/cm3(Predicted)
Boiling Point: 613.5±35.0 °C(Predicted)
Related products
Synthetic route
1256387-74-2

(1R,3S,4S)-3-(6-bromo-1H-benzimidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

73183-34-3

bis(pinacol)diborane

1256387-87-7

(1R,3S,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

Conditions
ConditionsYield
With palladium bis[bis(diphenylphosphino)ferrocene] dichloride; potassium acetate In 1,4-dioxane at 90℃;94%
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate In 1,4-dioxane at 95℃; for 3.5h; Inert atmosphere;1.16 g
With bis[di-t-butyl(p-dimethylaminophenyl)phosphino]palladium (II) Dichloride; potassium carbonate In 1,2-dimethoxyethane Reflux; Inert atmosphere;
1256387-74-2

(1R,3S,4S)-3-(6-bromo-1H-benzimidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

99770-93-1

benzene-1,4-diboronic acid bispinacol ester

1256387-87-7

(1R,3S,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,2-dimethoxyethane; water at 90℃; for 4h; Inert atmosphere;85%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,2-dimethoxyethane; water at 90℃; for 4h; Inert atmosphere;85%

(1R,3S,4S)-2-aza-bicyclo[2.2.1]heptane-2,3-dicarboxylic acid 2-tert-butyl ester

1256387-87-7

(1R,3S,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; 4-methyl-morpholine / N,N-dimethyl-formamide / 1 h / 20 °C
2.1: ethanol / 130 - 170 °C / Sealed tube
2.2: 20 °C
3.1: potassium carbonate; tetrakis(triphenylphosphine) palladium(0) / 1,2-dimethoxyethane; water / 4 h / 90 °C / Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1: 4-methyl-morpholine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 1 h / 20 °C
2: ethanol / 130 - 170 °C / Sealed tube
3: palladium bis[bis(diphenylphosphino)ferrocene] dichloride; potassium acetate / 1,4-dioxane / 90 °C
View Scheme
Multi-step reaction with 2 steps
1.1: 4-methyl-morpholine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 1 h / 20 °C
1.2: 48 h / 115 °C
2.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate / 1,4-dioxane / 3.5 h / 95 °C / Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1: 4-methyl-morpholine; HATU / N,N-dimethyl-formamide / 1 h / 20 °C
2: ethanol / 72 h / 130 - 170 °C / Sealed tube
3: tetrakis(triphenylphosphine) palladium(0); potassium carbonate / 1,2-dimethoxyethane; water / 4 h / 90 °C / Inert atmosphere
View Scheme
1256387-73-1

(1R,3S,4S)-2-tert-butoxycarbonyl-3-(2-amino-4-bromophenylaminocarbonyl)-2-azabicyclo[2.2.1]heptane

1256387-87-7

(1R,3S,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: ethanol / 130 - 170 °C / Sealed tube
1.2: 20 °C
2.1: potassium carbonate; tetrakis(triphenylphosphine) palladium(0) / 1,2-dimethoxyethane; water / 4 h / 90 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: ethanol / 130 - 170 °C / Sealed tube
2: palladium bis[bis(diphenylphosphino)ferrocene] dichloride; potassium acetate / 1,4-dioxane / 90 °C
View Scheme
Multi-step reaction with 2 steps
1: ethanol / 72 h / 130 - 170 °C / Sealed tube
2: tetrakis(triphenylphosphine) palladium(0); potassium carbonate / 1,2-dimethoxyethane; water / 4 h / 90 °C / Inert atmosphere
View Scheme
1575-37-7

4-Bromo-benzene-1,2-diamine

1256387-87-7

(1R,3S,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; 4-methyl-morpholine / N,N-dimethyl-formamide / 1 h / 20 °C
2.1: ethanol / 130 - 170 °C / Sealed tube
2.2: 20 °C
3.1: potassium carbonate; tetrakis(triphenylphosphine) palladium(0) / 1,2-dimethoxyethane; water / 4 h / 90 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1.1: 4-methyl-morpholine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 1 h / 20 °C
1.2: 48 h / 115 °C
2.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate / 1,4-dioxane / 3.5 h / 95 °C / Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1: 4-methyl-morpholine; HATU / N,N-dimethyl-formamide / 1 h / 20 °C
2: ethanol / 72 h / 130 - 170 °C / Sealed tube
3: tetrakis(triphenylphosphine) palladium(0); potassium carbonate / 1,2-dimethoxyethane; water / 4 h / 90 °C / Inert atmosphere
View Scheme

(1R,3S,4S)-methyl 2-((R)-1-phenylethyl)-2-azabicyclo[2.2.1]heptane-3-carboxylate

1256387-87-7

(1R,3S,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: palladium on carbon; hydrogen / ethanol; methanol / 15 h / 30 - 35 °C / 5171.62 Torr
2: N-ethyl-N,N-diisopropylamine / dichloromethane / 3.5 h / 8 - 20 °C
3: lithium hydroxide / methanol; tetrahydrofuran; water / 0.08 h
4: 4-methyl-morpholine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 1 h / 20 °C
5: ethanol / 130 - 170 °C / Sealed tube
6: palladium bis[bis(diphenylphosphino)ferrocene] dichloride; potassium acetate / 1,4-dioxane / 90 °C
View Scheme

(1R,3S,4S)-2-azabicyclo[2.2.1]heptane-3-carboxylic acid methyl ester

1256387-87-7

(1R,3S,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: N-ethyl-N,N-diisopropylamine / dichloromethane / 3.5 h / 8 - 20 °C
2: lithium hydroxide / methanol; tetrahydrofuran; water / 0.08 h
3: 4-methyl-morpholine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 1 h / 20 °C
4: ethanol / 130 - 170 °C / Sealed tube
5: palladium bis[bis(diphenylphosphino)ferrocene] dichloride; potassium acetate / 1,4-dioxane / 90 °C
View Scheme
1181573-36-3

(1R,3S,4S)-2-azabicyclo[2.2.1]heptane-2,3-dicarboxylic acid 2-tert-butyl ester 3-methyl ester

1256387-87-7

(1R,3S,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: lithium hydroxide / methanol; tetrahydrofuran; water / 0.08 h
2: 4-methyl-morpholine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate / N,N-dimethyl-formamide / 1 h / 20 °C
3: ethanol / 130 - 170 °C / Sealed tube
4: palladium bis[bis(diphenylphosphino)ferrocene] dichloride; potassium acetate / 1,4-dioxane / 90 °C
View Scheme
24424-99-5

di-tert-butyl dicarbonate

1256387-87-7

(1R,3S,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

C29H42BN3O6

Conditions
ConditionsYield
With dmap In dichloromethane at 20℃; for 15h;96.3%
1256387-87-7

(1R,3S,4S)-3-[6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzimidazol-2-yl]-2-azabicyclo[2.2.1]heptane-2-carboxylic acid 1,1-dimethylethyl ester

501-53-1

benzyl chloroformate

C32H40BN3O6

Conditions
ConditionsYield
With dmap In dichloromethane at 20℃; for 15h;96%
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    1256387-87-7

    (2S)-2-Cyclohexyl-N-(2-pyrazinylcarbonyl)glycyl-3-Methyl-L-valine

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0

    Jinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pu

    Hangzhou Jinlan Pharm-Drugs Technology Co.,Ltd is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pudon

  •  Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:+86-571-85829053

    Address:Rm A606, Fuyi Center, jianqiao street, Jianggan Area

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  • Ledipasvir intermediate 3

  • Casno:

    1256387-87-7

    Ledipasvir intermediate 3

    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:15131197030

    Address:1312 17th Street Suite 1402 Denver CO 80202

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  • ledipasvir interMediate（1256387-87-7）

  • Casno:

    1256387-87-7

    ledipasvir interMediate（1256387-87-7）

    Min.Order: 100 Gram

    FOB Price:  USD $ 0.0-0.0

    high purity Application:Pharmaceutical Intermediate

    Senova Tech is a leading supplier for APIs (mainly for new generics), advanced intermediates and related products based in China, our headquarter office locates in Shenzhen (a city

  •  Senova Technology Company Limited

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-755-86703119

    Address:309# in Building 3 of North Area, Dayuan Industry Park, Xili, Nanshan District of Shenzhen

       Inquiry Now

  • ledipasvir interMediate CAS 1256387-87-7

  • Casno:

    1256387-87-7

    ledipasvir interMediate CAS 1256387-87-7

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 10.0-10.0

    Our Advantage Q1:How is the quality We can provide free samples for you to test its quality. Q2:Safest and fastest delivery We have adequate stock so that we can deliver the products with 24 hours as soon as receiving the payment. Fast and discre

    Hefei Zhaobo Technology Co.,Ltd is a professional manufacturer which integrate research and development, production and sales of chemical products in Hefei, China. Our former facto

  •  Hefei Zhaobo Technology Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8619322001456

    Address:No. 18, 1st Floor, Zhonglv Plaza, Intersection of Zhanqian Road and Tongling Road, Yaohai District, Hefei City, Anhui Province

       Inquiry Now

  • 1256387-87-7 manufacturer/high quality/in stock

  • Casno:

    1256387-87-7

    1256387-87-7 manufacturer/high quality/in stock

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    CHANGZHOU HANGYU PHARMACEUTICAL TECHNOLOGY CO., LTD. founded in 1984, engages in pharmaceutical research, development, production, process design and technical consultation of synthetic and fermentation pharmaceutical products. The organizational s

    CHANGZHOU HANGYU PHARMACEUTICAL TECHNOLOGY CO., LTD., founded in 1984, engages in pharmaceutical research, development, production, process design and technical consultation of syn

  •  CHANGZHOU HANGYU PHARMACEUTICAL TECHNOLOGY CO., LTD

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:0086-519-88802789

    Address:No.300,Yanling Middle Road, Changzhou, Jiangsu, China

       Inquiry Now

  • Ledipasvir intermediate 3

  • Casno:

    1256387-87-7

    Ledipasvir intermediate 3

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 1.0-1.0

    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

    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 in China for chemicals cus

  •  Bluecrystal chem-union

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-1895157

    Address:Liang Xi Qu

       Inquiry Now

  • ledipasvir interMediate

  • Casno:

    1256387-87-7

    ledipasvir interMediate

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0

    Superior quality, moderate price & quick delivery. Appearance:NA Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package: 1kg/drum or 25kg/drum or as per your request. Application:It is an important raw material and medical

    Hangzhou Yunuo Chemical Co., Ltd. is located in Hangzhou City, China We are specialized in fine chemicals and basic chemical auxiliary materials, Organic compounds, rubber

  •  HANGZHOU YUNUO CHEMICAL CO.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0571-83715115

    Address:hangzhou

       Inquiry Now

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