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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White powder Conforms Assay ≥98% 99.5%

High purity Various Specifications 4'-Demethylepipodophyllotoxin CAS:6559-91-7

Cas:6559-91-7

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

inquiry

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‘-Demethylepipodo Phyllotoxin supplier in China

Cas:6559-91-7

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

4'-DeMethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 4‘-Demethylepipodo Phyllotoxin

Cas:6559-91-7

Min.Order:1

Negotiable

Type:Other

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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

Natural Extract 98% 4'-Demethylepipodophyllotoxin 6559-91-7 HACCP Manufacturer

Cas:6559-91-7

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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'-Demethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:1 Kilogram

FOB Price: $5.0

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'-Demethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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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

4'-Demethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

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

Wholesale priceCAS 6559-91-7 with competitive price

Cas:6559-91-7

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients 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 Specialized

Qingdao Beluga Import and Export Co., LTD

4'-Demethylepipodophyllotoxin CAS:6559-91-7 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

4'-Demethylepipodophyllotoxin CAS:6559-91-7

Cas:6559-91-7

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

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

Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 4-Demethylepipodophyllotoxin Synonyms: (5R)-5,8,8aβ,9-Tetrahydro-9α-hydroxy-5β-(4-hydroxy-3,5-dimethoxyphenyl)furo[3',4':6,7]naphtho[2,3-d]-1,3-dioxol-6(5aαH)-one;(5R)-5β-(3,5-Dimethoxy-4-hydroxyp

4-Demethylepipodophyllotoxin Manufactory best quality

Cas:6559-91-7

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

4‘-Demethylepipodo Phyllotoxin

Cas:6559-91-7

Min.Order:0

Negotiable

Type:Manufacturers

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

4'-Demethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Chengdu Biopurify Phytochemicals Ltd.

Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medic

4'-Demethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

2-(4-METHYL-BENZENESULFONYL)ETHYLAMINE HCL

Cas:6559-91-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

High quality 4‘-Demethylepipodo Phyllotoxin

Cas:6559-91-7

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

High purity 4'-Demethylepipodophyllotoxin 6559-91-7 in stock immediately delivery good supplierAppearance:Powder Storage:Dry and ventilated Package:according to customers' requirements Application:APIs Transportation:By air(EMS or EUB or FedEx or TNT

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 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

TIANFUCHEM--6559-91-7---4'-Demethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:1 Metric Ton

FOB Price: $500.0

Type:Lab/Research institutions

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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'-Demethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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'-demethylepipodophyllotoxin

Cas:6559-91-7

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

4'-demethylepipodophyllotoxin

Cas:6559-91-7

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

4'-demethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h

Wuhu Nuowei Chemistry Technologies Co., Ltd.

Wuhu Nuovo Chemical Technology Co., Ltd. was established in August 2014, mainly engaged in the development, production and sales of ionic liquids, ribose, nucleosides, nucleotides and related chemicals; Products are mainly used in new energy, new ma

4'-deMethylpodophyllotoxin

Cas:6559-91-7

Min.Order:100 Gram

Negotiable

Type:Manufacturers

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SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/4'-Demethylepipodophyllotoxin/SAGECHEM/Manufacturer in China

Cas:6559-91-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

shanghai Tauto Biotech Co., Ltd

The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. COA and HPLC will be shipped out with goods. You can also inform your analysis method and we will follow your analysis me

E-0454 4'-Demethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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'-Demethylepipodophyllotoxin

Cas:6559-91-7

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Synthetic route

podofilox
518-28-5

podofilox

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
With methanesulfonic acid; DL-methionine; trifluoroacetic acid at 40℃; for 0.75h;93%
Stage #1: podofilox With methanesulfonic acid; sodium iodide In dichloromethane at 0 - 20℃; for 5h;
Stage #2: With barium carbonate In water; acetone at 40℃; for 0.5h;
90%
Stage #1: podofilox With 1-(Trimethylsilyl)imidazole In dichloromethane at 0℃;
Stage #2: With water; barium carbonate In acetone
79%
Carbonic acid benzyl ester 4-((5R,5aR,8aR)-6,9-dioxo-5,5a,6,8,8a,9-hexahydro-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl)-2,6-dimethoxy-phenyl ester
156350-44-6

Carbonic acid benzyl ester 4-((5R,5aR,8aR)-6,9-dioxo-5,5a,6,8,8a,9-hexahydro-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl)-2,6-dimethoxy-phenyl ester

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
With ruthenium(II) chloride; (S)-N2,N2'-bis(pyridin-2-ylmethyl-1,1'-binaphthyl-2,2'-diamine); hydrogen In isopropyl alcohol at 20 - 25℃; under 38002.6 Torr; for 18h;89%
4'-O-demethyl-4β-bromo-4-desoxypodophyllotoxin
16477-16-0

4'-O-demethyl-4β-bromo-4-desoxypodophyllotoxin

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
With water; barium carbonate In acetone at 40℃; for 4h;71%
With barium carbonate In water; acetone for 1h; Heating;52%
acetic acid
64-19-7

acetic acid

podofilox
518-28-5

podofilox

A

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

B

4'-demethyl-β-apopicropodophyllotoxin
102306-96-7

4'-demethyl-β-apopicropodophyllotoxin

C

4'-demethyl-1-O-ethyl-1-epipodophyllotoxin
102306-95-6

4'-demethyl-1-O-ethyl-1-epipodophyllotoxin

D

epipodophyllotoxin
4375-07-9

epipodophyllotoxin

Conditions
ConditionsYield
With hydrogen bromide 1.) 15 min, 2.) RT, 20 h; Multistep reaction. Further byproducts given;
acetic acid
64-19-7

acetic acid

podofilox
518-28-5

podofilox

A

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

B

4'-demethyl-β-apopicropodophyllotoxin
102306-96-7

4'-demethyl-β-apopicropodophyllotoxin

C

3',4'-didemethylepipodophyllotoxin
102306-97-8

3',4'-didemethylepipodophyllotoxin

D

epipodophyllotoxin
4375-07-9

epipodophyllotoxin

Conditions
ConditionsYield
With hydrogen bromide 1.) 15 min, 2.) RT, 20 h; Multistep reaction. Further byproducts given;
etoposide
33419-42-0

etoposide

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium iodide; chloro-trimethyl-silane / acetonitrile / 0 °C
2: water; barium carbonate / acetone / 20 °C
View Scheme
syringic aldehyde
134-96-3

syringic aldehyde

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1.1: sodium hydroxide / tetrahydrofuran / 25 - 30 °C
2.1: lithium diisopropyl amide / tetrahydrofuran / 3 h / -20 - -15 °C / Inert atmosphere
3.1: iron(III) chloride / dichloromethane / 1 h / 18 - 22 °C
4.1: triethylamine / dichloromethane / 1 h / -2 - 2 °C
5.1: palladium diacetate; triphenylphosphine; potassium carbonate / acetonitrile / 20 h / 75 - 85 °C
6.1: pyridine; ozone / dichloromethane; methanol / 5 h / -25 - -15 °C
6.2: 4 h / 20 °C / Inert atmosphere
7.1: (S)-N2,N2'-bis(pyridin-2-ylmethyl-1,1'-binaphthyl-2,2'-diamine); ruthenium(II) chloride; hydrogen / isopropyl alcohol / 18 h / 20 - 25 °C / 38002.6 Torr
View Scheme
C17H16O6

C17H16O6

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: lithium diisopropyl amide / tetrahydrofuran / 3 h / -20 - -15 °C / Inert atmosphere
2.1: iron(III) chloride / dichloromethane / 1 h / 18 - 22 °C
3.1: triethylamine / dichloromethane / 1 h / -2 - 2 °C
4.1: palladium diacetate; triphenylphosphine; potassium carbonate / acetonitrile / 20 h / 75 - 85 °C
5.1: pyridine; ozone / dichloromethane; methanol / 5 h / -25 - -15 °C
5.2: 4 h / 20 °C / Inert atmosphere
6.1: (S)-N2,N2'-bis(pyridin-2-ylmethyl-1,1'-binaphthyl-2,2'-diamine); ruthenium(II) chloride; hydrogen / isopropyl alcohol / 18 h / 20 - 25 °C / 38002.6 Torr
View Scheme
C23H24O8

C23H24O8

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: iron(III) chloride / dichloromethane / 1 h / 18 - 22 °C
2.1: triethylamine / dichloromethane / 1 h / -2 - 2 °C
3.1: palladium diacetate; triphenylphosphine; potassium carbonate / acetonitrile / 20 h / 75 - 85 °C
4.1: pyridine; ozone / dichloromethane; methanol / 5 h / -25 - -15 °C
4.2: 4 h / 20 °C / Inert atmosphere
5.1: (S)-N2,N2'-bis(pyridin-2-ylmethyl-1,1'-binaphthyl-2,2'-diamine); ruthenium(II) chloride; hydrogen / isopropyl alcohol / 18 h / 20 - 25 °C / 38002.6 Torr
View Scheme
C30H28O10

C30H28O10

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: triethylamine / dichloromethane / 1 h / -2 - 2 °C
2.1: palladium diacetate; triphenylphosphine; potassium carbonate / acetonitrile / 20 h / 75 - 85 °C
3.1: pyridine; ozone / dichloromethane; methanol / 5 h / -25 - -15 °C
3.2: 4 h / 20 °C / Inert atmosphere
4.1: (S)-N2,N2'-bis(pyridin-2-ylmethyl-1,1'-binaphthyl-2,2'-diamine); ruthenium(II) chloride; hydrogen / isopropyl alcohol / 18 h / 20 - 25 °C / 38002.6 Torr
View Scheme
C31H27F3O12S

C31H27F3O12S

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: palladium diacetate; triphenylphosphine; potassium carbonate / acetonitrile / 20 h / 75 - 85 °C
2.1: pyridine; ozone / dichloromethane; methanol / 5 h / -25 - -15 °C
2.2: 4 h / 20 °C / Inert atmosphere
3.1: (S)-N2,N2'-bis(pyridin-2-ylmethyl-1,1'-binaphthyl-2,2'-diamine); ruthenium(II) chloride; hydrogen / isopropyl alcohol / 18 h / 20 - 25 °C / 38002.6 Torr
View Scheme
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

4β-azido-4-deoxy-4′-demethylepipodophyllotoxin
117604-05-4

4β-azido-4-deoxy-4′-demethylepipodophyllotoxin

Conditions
ConditionsYield
With sodium azide; trifluoroacetic acid In chloroform at 20℃;100%
With sodium azide; trifluoroacetic acid In chloroform for 0.25h;94%
With sodium azide; trifluoroacetic acid In chloroform at 20℃; Cooling with ice;91.8%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

4,4'-bis-O-(dimethyl-tert-butylsilyl)-4'-O-demethylepipodophyllotoxin
153230-70-7

4,4'-bis-O-(dimethyl-tert-butylsilyl)-4'-O-demethylepipodophyllotoxin

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide for 20h;98%
With 2,6-dimethylpyridine In dichloromethane at 0℃; for 1h;81%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

acetic acid
64-19-7

acetic acid

4'-demethylepipodophyllotoxin diacetate
22823-30-9

4'-demethylepipodophyllotoxin diacetate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;98%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

benzyl chloroformate
501-53-1

benzyl chloroformate

4'-demethyl-4'-O-(benzoyloxycarbonyl)epipodophyllotoxin
23363-33-9

4'-demethyl-4'-O-(benzoyloxycarbonyl)epipodophyllotoxin

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0℃; for 2h;97%
With triethylamine In dichloromethane at 0 - 35℃; for 2h;97%
With triethylamine In dichloromethane at 0 - 35℃; for 2h;97%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

chloroacetonitrile
107-14-2

chloroacetonitrile

2-chloro-N-[9-(4-hydroxy-3,5-dimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl]acetamide

2-chloro-N-[9-(4-hydroxy-3,5-dimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl]acetamide

Conditions
ConditionsYield
sulfuric acid at 20℃; for 3h; Ritter Reaction;96%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

chloroacetonitrile
107-14-2

chloroacetonitrile

4-chloroacetamido-4-deoxy-4'-demethylepipodophyllotoxin
150059-96-4

4-chloroacetamido-4-deoxy-4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
With sulfuric acid In isopropyl alcohol at 20℃; for 1h; Inert atmosphere;96%
With sulfuric acid at 20℃; for 1h; Ritter Reaction;93%
sulfuric acid at 20℃;93%
With sulfuric acid Ritter Amidation;
Ritter Amidation;
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

propionic acid
802294-64-0

propionic acid

C27H28O10

C27H28O10

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;94%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

butyric acid
107-92-6

butyric acid

C29H32O10

C29H32O10

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;94%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

chloroacetonitrile
107-14-2

chloroacetonitrile

4-chloroacetamido-4-deoxy-4'-demethylepipodophyllotoxin

4-chloroacetamido-4-deoxy-4'-demethylepipodophyllotoxin

Conditions
ConditionsYield
With sulfuric acid at 20℃;93%
nicotinic acid
59-67-6

nicotinic acid

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

C33H26N2O10

C33H26N2O10

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;92%
pyridine-4-carboxylic acid
55-22-1

pyridine-4-carboxylic acid

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

C33H26N2O10

C33H26N2O10

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;92%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

4-nitro-benzoic acid
62-23-7

4-nitro-benzoic acid

C35H26N2O14

C35H26N2O14

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;92%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

A

4β-azido-4-deoxy-4′-demethylepipodophyllotoxin
117604-05-4

4β-azido-4-deoxy-4′-demethylepipodophyllotoxin

B

4β-azido-4'-dimethyl-4-deoxy-epipodophyllotoxin
117507-85-4

4β-azido-4'-dimethyl-4-deoxy-epipodophyllotoxin

Conditions
ConditionsYield
With tris-(2-chloro-ethyl)-amine; boron trifluoride diethyl etherate In dichloromethane; benzene at -15℃; for 1h;A 91%
B n/a
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

Dibenzyl phosphite
17176-77-1

Dibenzyl phosphite

dibenzyl 4'-demethyl-4-epipodophyllotoxin-4'-phosphate

dibenzyl 4'-demethyl-4-epipodophyllotoxin-4'-phosphate

Conditions
ConditionsYield
With tetrachloromethane; dmap; N-ethyl-N,N-diisopropylamine In acetonitrile at -10℃;90%
With dmap; N-ethyl-N,N-diisopropylamine In tetrachloromethane; acetonitrile at -10℃; Inert atmosphere;90.1%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

4'-demethyl-β-apopicropodophyllotoxin
102306-96-7

4'-demethyl-β-apopicropodophyllotoxin

Conditions
ConditionsYield
With sulfuric acid; acetic anhydride for 1h; Heating;90%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

4'-O-tert-butyldimethylsilanyl-4'-O-demethyl-4-epipodophyllotoxin
118356-07-3

4'-O-tert-butyldimethylsilanyl-4'-O-demethyl-4-epipodophyllotoxin

Conditions
ConditionsYield
With 1H-imidazole In N,N-dimethyl-formamide at 20℃; for 1.5h;89%
With 1H-imidazole In N,N-dimethyl-formamide for 4.5h;86%
With 1H-imidazole In tetrahydrofuran60%
nicotinic acid
59-67-6

nicotinic acid

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

C27H23NO9
888029-90-1

C27H23NO9

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide; dmap In dichloromethane at 20℃; for 2h;89%
2-Picolinic acid
98-98-6

2-Picolinic acid

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

C27H23NO9
888029-91-2

C27H23NO9

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide; dmap In dichloromethane at 20℃; for 2h;89%
5-bromo-3-pyridinecarboxylic acid
20826-04-4

5-bromo-3-pyridinecarboxylic acid

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

C27H22BrNO9
888029-94-5

C27H22BrNO9

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide; dmap In dichloromethane at 20℃; for 2h;87%
2-chloronicotinic acid
2942-59-8

2-chloronicotinic acid

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

C27H22ClNO9
888029-92-3

C27H22ClNO9

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide; dmap In dichloromethane at 20℃; for 2h;87%
phenylacetic acid
103-82-2

phenylacetic acid

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

C37H32O10

C37H32O10

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;87%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

benzyl chloroformate
501-53-1

benzyl chloroformate

4'-benzyloxycarbonyl-4'-demethylpodophyllotoxin
23412-22-8

4'-benzyloxycarbonyl-4'-demethylpodophyllotoxin

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃;85.65%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

C10H11N3O2S2

C10H11N3O2S2

C31H29N3O9S2

C31H29N3O9S2

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 24.25h; Cooling with ice;85%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

2-azido-2-deoxy-3,4,6-tri-O-acetyl-β-D-glucopyranose

2-azido-2-deoxy-3,4,6-tri-O-acetyl-β-D-glucopyranose

3″,4″,6″-tri-O-acetyl-2-azido-deoxy-4′-desmethylepipdophyllotoxin-β-D-glucopyranoside

3″,4″,6″-tri-O-acetyl-2-azido-deoxy-4′-desmethylepipdophyllotoxin-β-D-glucopyranoside

Conditions
ConditionsYield
Stage #1: 4'-demethylepipodophyllotoxin With boron trifluoride diethyl etherate In dichloromethane at 0℃; for 0.166667h; Inert atmosphere;
Stage #2: 3,4,6-tri-O-acetyl-2-azido-2-deoxy-β-D-glucopyranose In dichloromethane at -20℃; for 2h; Inert atmosphere; Molecular sieve;
85%
Stage #1: 4'-demethylepipodophyllotoxin With boron trifluoride diethyl etherate In dichloromethane at 0℃; Inert atmosphere;
Stage #2: 3,4,6-tri-O-acetyl-2-azido-2-deoxy-β-D-glucopyranose In dichloromethane at -5℃; for 4h; Inert atmosphere;
pyridine-4-carboxylic acid
55-22-1

pyridine-4-carboxylic acid

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

C27H23NO9
888029-89-8

C27H23NO9

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide; dmap In dichloromethane at 20℃; for 2h;83%
6-Chloro-3-pyridinecarboxylic acid
5326-23-8

6-Chloro-3-pyridinecarboxylic acid

4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

C27H22ClNO9
888029-93-4

C27H22ClNO9

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide; dmap In dichloromethane at 20℃; for 2h;83%
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

2'-chloro-4′-demethylepipodophyllotoxin
138261-31-1

2'-chloro-4′-demethylepipodophyllotoxin

Conditions
ConditionsYield
With N-chloro-succinimide In N,N-dimethyl-formamide at 0 - 20℃; for 18h;82%
With N-chloro-succinimide In N,N-dimethyl-formamide for 3.5h; Ambient temperature;75%
With N-chloro-succinimide In chloroform at 20℃; for 4h; regioselective reaction;
With N-chloro-succinimide In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere;
4'-demethylepipodophyllotoxin
6559-91-7

4'-demethylepipodophyllotoxin

3-Phenylpropionic acid
501-52-0

3-Phenylpropionic acid

C39H36O10

C39H36O10

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;82%

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