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Hangzhou Think Chemical Co. Ltd

7,10-Dimethoxy-10-DAB III CAS No.:183133-94-0 Name: 7,10-Dimethoxy-10-DAB III Synonyms: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(Acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-9,11-dihydroxy-4

High purity 7,10-Dimethoxy-10-DAB III CAS No.:183133-94-0

Cas:183133-94-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Other

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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product s

7,10-MeO-10-DAB Manufacturer/High quality/Best price/In stock

Cas:183133-94-0

Min.Order:1 Kilogram

FOB Price: $7.0

Type:Lab/Research institutions

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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

7,10-Dimethoxy-10-DAB III

Cas:183133-94-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Product Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(Acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-9,11-dihydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-7,11-methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one Syn

183133-94-0 7, 10-Dimethoxy-10-DAB III

Cas:183133-94-0

Min.Order:1 Gram

FOB Price: $8900.0

Type:Lab/Research institutions

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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

7,10-Dimethoxy-10-DAB III CAS 183133-94-0

Cas:183133-94-0

Min.Order:1 Kilogram

FOB Price: $2.0 / 10.0

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

Pharmaceutical Grade CAS 183133-94-0 with competitive price

Cas:183133-94-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Chemical Name: 7,10-Dimethoxy-10-DAB III Cas No.: 183133-94-0 Molecular Structure: Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:25kg/drum Application:APIs Trans

7,10-Dimethoxy-10-DAB III

Cas:183133-94-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is our

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

7,10-dimethoxy-10-DAB III 183133-94-0

Cas:183133-94-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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HANWAYS CHEMPHARM CO.,LIMITED

Hanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d

For Paclitaxel, Docetaxel, Cabazitaxel: 7,10-Dimethoxy 10-DAB III

Cas:183133-94-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Trading Company

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Shanghai Minstar Chemical Co., Ltd

7,10-Dimethoxy-10-DAB III Chemical Properties Boiling point 675.8±55.0 °C(Predicted) density 1.31 storage temp. Sealed in dry,Room Temperature pka 12.82±0.70(Predicted) Safety Information HS Code 29329990 7,10-Di

7,10-Dimethoxy-10-DAB III

Cas:183133-94-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

7,10-Dimethoxy-10-DAB III CAS:183133-94-0 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 organi

7,10-Dimethoxy-10-DAB III CAS:183133-94-0

Cas:183133-94-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

7,10-dimethoxy-10-DAB III

Cas:183133-94-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Leader Biochemical Group

PRODUCT DETAILS

China Largest Factory Manufacturer sales 7,10-dimethoxy-10-DAB III CAS 183133-94-0

Cas:183133-94-0

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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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

7,10-dimethoxy-10-DAB III

Cas:183133-94-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Taizhou Crene Biotechnology co.ltd

Our company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-

Cabazitaxel Impurity 183133-94-0

Cas:183133-94-0

Min.Order:50 Gram

Negotiable

Type:Lab/Research institutions

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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

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

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 7, 10-dimethoxy-10-DABIII

Cas:183133-94-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Hangzhou Lingrui Chemical Co.,Ltd.

7β,10β-diMethoxy-10-DAB-IIpuAppearance:colorless liquid Storage:2-8 ℃ or Others Package:according to customers' requirements Application:Pharmaceutical intermediates Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB or CIF or CNF

7β,10β-diMethoxy-10-DAB-IIpu

Cas:183133-94-0

Min.Order:1 Gram

Negotiable

Type:Other

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white or off-white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used a

7,10-dimethoxy-10-DAB III

Cas:183133-94-0

Min.Order:10 Gram

Negotiable

Type:Trading Company

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Lyander (Xiamen) Medical Technology Co., LTD

Lyander’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. Lyander can provide different quantities of cu

7,10-Dimethoxy-10-DAB III

Cas:183133-94-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: 7,10-Dimethoxy-10DABIII CAS No.:183133-94-0 Molecule Formula:C31H40O10 Molecule Weight:572.64 Purity: 98.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTIN

Best Quality 7,10-Dimethoxy-10DABIII

Cas:183133-94-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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,

7,10-MeO-10-DAB Manufacturer/High quality/Best price/In stock

Cas:183133-94-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Kono Chem Co.,Ltd

Product Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(Acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-9,11-dihydroxy-4,6-dim…Appearance:Solid powder Storage:Sealed,light and oxygen resistant Package:aluminum foil bag,carton

7,10-Dimethoxy-10-DAB III

Cas:183133-94-0

Min.Order:0

Negotiable

Type:Other

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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

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

Senova Technology Company Limited

We have most reliable quality, competitive prices and full documents for this APIs 1. GMP WORKSHOP 2. DMF Application:Pharmaceutical intermediate

7β,10β-diMethoxy-10-deacetylbaccatin III

Cas:183133-94-0

Min.Order:100 Gram

Negotiable

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

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

SAGECHEM/ 7,10-dimethoxy-10-DABIII /Manufacturer in China

Cas:183133-94-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

10-deacetylbaccatin III
32981-86-5

10-deacetylbaccatin III

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With dmap; caesium bromide; sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at -30℃; for 3h; Temperature; Reagent/catalyst;89.6%
10-deacetylbaccatin III
32981-86-5

10-deacetylbaccatin III

methyl trifluoromethanesulfonate
333-27-7

methyl trifluoromethanesulfonate

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
Stage #1: 10-deacetylbaccatin III With lithium hexamethyldisilazane In tetrahydrofuran at -72℃; for 0.666667h; Inert atmosphere;
Stage #2: methyl trifluoromethanesulfonate In tetrahydrofuran at -72℃; for 4.08333h; Inert atmosphere;
87%
Stage #1: 10-deacetylbaccatin III With n-butyllithium In tetrahydrofuran at -78 - -35℃; for 1h; Inert atmosphere;
Stage #2: methyl trifluoromethanesulfonate In tetrahydrofuran for 1h; Temperature;
55%
7,10-methylthiomethyl-10-deacetylbaccatin III
709673-79-0

7,10-methylthiomethyl-10-deacetylbaccatin III

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With water; Raney nickel In methanol at 23℃;61%
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-10β-methoxy-9-oxo-1β,13α,7β-trihydroxy-11-taxene
183133-97-3

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-10β-methoxy-9-oxo-1β,13α,7β-trihydroxy-11-taxene

methyl iodide
74-88-4

methyl iodide

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With potassium hydride In tetrahydrofuran at 0 - 20℃;61%
With sodium hydride In N,N-dimethyl acetamide at -15 - -5℃; for 1h; Concentration;58.8%
With sodium hydride In N,N-dimethyl acetamide at -15 - -10℃; Time;58.8%
Stage #1: 4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-10β-methoxy-9-oxo-1β,13α,7β-trihydroxy-11-taxene; methyl iodide In N,N-dimethyl-formamide at 20 - 30℃; for 0.5h;
Stage #2: With sodium hydride In N,N-dimethyl-formamide; paraffin oil at 0 - 5℃; Reagent/catalyst; Solvent; Temperature;
13-acetyl-7,10-dimethoxy-10-DAB
1402820-67-0

13-acetyl-7,10-dimethoxy-10-DAB

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With hydrazine hydrate In N,N-dimethyl-formamide at 23℃; for 18h; Inert atmosphere;53%
10-deacetylbaccatin III
32981-86-5

10-deacetylbaccatin III

methyl iodide
74-88-4

methyl iodide

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
Stage #1: 10-deacetylbaccatin III With n-butyllithium In tetrahydrofuran at -75 - -35℃; for 1h; Inert atmosphere;
Stage #2: methyl iodide for 1h;
52%
With potassium hydride In tetrahydrofuran at -20 - 20℃; for 8h;
With sodium hydride In tetrahydrofuran; mineral oil at 0 - 25℃; for 7.5h; Reagent/catalyst; Temperature; Solvent; Time;
With caesium bromide; sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at -20 - 20℃; for 2.33333h; Inert atmosphere;
With sodium hydride In N,N-dimethyl-formamide for 1.5h; Solvent; Temperature;10 g
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,10β-dihydroxy-9-oxo-7β,13α-di(triethylsilyloxy)-11-taxene
183133-99-5

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,10β-dihydroxy-9-oxo-7β,13α-di(triethylsilyloxy)-11-taxene

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: sodium hydride / tetrahydrofuran / -5 - 0 °C
2: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 5 °C / Inert atmosphere
3: sodium hydride / tetrahydrofuran / -5 - 0 °C
4: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 5 °C / Inert atmosphere
View Scheme
Multi-step reaction with 4 steps
1: sodium hydride / tetrahydrofuran / -5 - 0 °C
2: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 5 °C / Inert atmosphere
3: sodium hydride / -5 - 0 °C
4: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 5 °C / Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1: triethylamine tris(hydrogen fluoride) / dichloromethane / 16 h / 20 °C
2: potassium tert-butylate / tetrahydrofuran / 1 h / 0 °C / Inert atmosphere
3: tetrabutyl ammonium fluoride / tetrahydrofuran / 3 h / 20 °C
View Scheme
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β-hydroxy-9-oxo-10β-methoxy-7β,13α-di(triethylsilyloxy)-11-taxene
183133-98-4

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β-hydroxy-9-oxo-10β-methoxy-7β,13α-di(triethylsilyloxy)-11-taxene

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 5 °C / Inert atmosphere
2: sodium hydride / tetrahydrofuran / -5 - 0 °C
3: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 5 °C / Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 5 °C / Inert atmosphere
2: sodium hydride / -5 - 0 °C
3: tetrabutyl ammonium fluoride / tetrahydrofuran / 0 - 5 °C / Inert atmosphere
View Scheme
7,10-di-O-1,3-dithian-2-yl-10-DAB
1432613-36-9

7,10-di-O-1,3-dithian-2-yl-10-DAB

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With hydrogen In N,N-dimethyl-formamide at 50℃; under 8274.59 Torr; for 23h;
10-O-methyl-7-O-1,3-benzodithiolan-2-yl-10-DAB
1432613-43-8

10-O-methyl-7-O-1,3-benzodithiolan-2-yl-10-DAB

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With hydrogen In N,N-dimethyl-formamide at 20℃; under 2584.17 Torr; for 15h;
C57H67NO15S4
1432613-39-2

C57H67NO15S4

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: methanol; sodium tetrahydroborate / tetrahydrofuran / 3 h / 20 °C
2: hydrogen / N,N-dimethyl-formamide / 23 h / 50 °C / 8274.59 Torr
View Scheme
C37H48O10S4
1432613-37-0

C37H48O10S4

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With hydrogen In N,N-dimethyl-formamide at 20℃; under 2584.17 Torr; for 15h;
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-10β-methoxy-9-oxo-1β,13α,7β-trihydroxy-11-taxene
183133-97-3

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-10β-methoxy-9-oxo-1β,13α,7β-trihydroxy-11-taxene

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine / dichloromethane / 20 °C
2: hydrogen / N,N-dimethyl-formamide / 15 h / 20 °C / 2584.17 Torr
View Scheme
10-deacetylbaccatin III
32981-86-5

10-deacetylbaccatin III

MePhSO3Me

MePhSO3Me

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With caesium bromide; sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at -20 - 20℃; for 2.33333h; Inert atmosphere;
10-deacetylbaccatin III
32981-86-5

10-deacetylbaccatin III

methyl trifluoromethanesulphonate
99504-16-2

methyl trifluoromethanesulphonate

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With caesium bromide; sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at -20 - 20℃; for 2.33333h; Inert atmosphere;
carbazitaxel
183133-96-2

carbazitaxel

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With sodium hydroxide In water; acetonitrile at 20℃; for 0.5h; Further stages;
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-10β-methoxy-9-oxo-1β,13α,7β-trihydroxy-11-taxene
183133-97-3

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-10β-methoxy-9-oxo-1β,13α,7β-trihydroxy-11-taxene

dimethyl sulfate
77-78-1

dimethyl sulfate

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
With sodium hydride In N,N-dimethyl-formamide; mineral oil at -30℃; for 1h;
C43H48O14S2

C43H48O14S2

methylmagnesium bromide
75-16-1

methylmagnesium bromide

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 3h; Inert atmosphere;
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
155396-69-3

(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β-hydroxy-7β,10β-dimethoxy-9-oxo-11-taxene-13α-yl (2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate
183133-95-1

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β-hydroxy-7β,10β-dimethoxy-9-oxo-11-taxene-13α-yl (2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; for 2h;91%
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran
With dmap; dicyclohexyl-carbodiimide In toluene at 20 - 30℃;
With dmap; dicyclohexyl-carbodiimide In ethyl acetate at 20℃; for 3h;
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

(2R,4S,5S)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid

(2R,4S,5S)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxen-13α-yl (2R,4S,5S)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxen-13α-yl (2R,4S,5S)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

Conditions
ConditionsYield
Stage #1: 4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene; (2R,4S,5S)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid With dmap In tetrahydrofuran at 20 - 30℃; for 0.5h;
Stage #2: With dicyclohexyl-carbodiimide In tetrahydrofuran Reagent/catalyst; Concentration; Temperature; Solvent;
82.5%
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

(2S,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
157580-39-7

(2S,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxen-13α-yl-(2S,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxen-13α-yl-(2S,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

Conditions
ConditionsYield
With dmap; diisopropyl-carbodiimide In tetrahydrofuran at 20 - 30℃; Reagent/catalyst; Solvent; Time; Temperature;82.5%
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

tert-butyl (3R,4S)-2-oxo-4-phenyl-3-(triethylsilyloxy)azetidine-1-carboxylate
149198-47-0

tert-butyl (3R,4S)-2-oxo-4-phenyl-3-(triethylsilyloxy)azetidine-1-carboxylate

1-hydroxy-7β,10β-di-methoxy-9-oxo-5β,20-epoxytax-11-ene-2α,4,13α-triyl 4-acetate 2-benzoate 13-{(2R,3S)-3-[(tert-butoxycarbonyl)amino]-2-trethylsilyloxy-3-phenylpropanoate}
1380584-07-5

1-hydroxy-7β,10β-di-methoxy-9-oxo-5β,20-epoxytax-11-ene-2α,4,13α-triyl 4-acetate 2-benzoate 13-{(2R,3S)-3-[(tert-butoxycarbonyl)amino]-2-trethylsilyloxy-3-phenylpropanoate}

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 1.58333h; Inert atmosphere;80%
With iron(III) chloride; sodium hydride In tetrahydrofuran; mineral oil at -15 - 20℃; for 2.5h; Product distribution / selectivity; Inert atmosphere;45%
With sodium hydride; lithium bromide In tetrahydrofuran at -15 - 20℃; for 2h; Inert atmosphere;
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

(4S,5R)-3-(2-furanylcarbonyl)-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid

(4S,5R)-3-(2-furanylcarbonyl)-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid

C45H51NO14

C45H51NO14

Conditions
ConditionsYield
Stage #1: 4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene; (4S,5R)-3-(2-furanylcarbonyl)-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid With dmap; dicyclohexyl-carbodiimide In toluene at 70℃; for 1h;
Stage #2: With hydrogenchloride In ethanol at 20℃; for 16h;
56%
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

(4S,5R)-3-(2-thienylcarbonyl)-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid

(4S,5R)-3-(2-thienylcarbonyl)-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid

C45H51NO13S

C45H51NO13S

Conditions
ConditionsYield
Stage #1: 4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene; (4S,5R)-3-(2-thienylcarbonyl)-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid With dmap; dicyclohexyl-carbodiimide In toluene at 70℃; for 1h;
Stage #2: With hydrogenchloride In ethanol at 20℃; for 16h;
56%
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

(4S,5R)-3-(4-dimethylaminobenzoyl)-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid

(4S,5R)-3-(4-dimethylaminobenzoyl)-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid

C49H58N2O13

C49H58N2O13

Conditions
ConditionsYield
Stage #1: 4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene; (4S,5R)-3-(4-dimethylaminobenzoyl)-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidinecarboxylic acid With dmap; dicyclohexyl-carbodiimide In toluene at 70℃; for 1h;
Stage #2: With hydrogenchloride In ethanol at 20℃; for 16h;
56%
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

C24H26N2O7
1383325-08-3

C24H26N2O7

(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-acetoxy-9-(((2R,3S)-2-((((benzyloxy)carbonyl)glycyl)oxy)-3-((tert-butoxycarbonyl)amino)-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate
1308398-68-6

(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-acetoxy-9-(((2R,3S)-2-((((benzyloxy)carbonyl)glycyl)oxy)-3-((tert-butoxycarbonyl)amino)-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In ethyl acetate at 20℃; Molecular sieve; Inert atmosphere;
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

tert-butyl (3R,4S)-2-oxo-4-phenyl-3-(triethylsilyloxy)azetidine-1-carboxylate
149198-47-0

tert-butyl (3R,4S)-2-oxo-4-phenyl-3-(triethylsilyloxy)azetidine-1-carboxylate

carbazitaxel
183133-96-2

carbazitaxel

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: lithium hexamethyldisilazane / N,N-dimethyl-formamide; tetrahydrofuran / 1.58 h / 20 °C / Inert atmosphere
2: toluene-4-sulfonic acid / tetrahydrofuran; methanol / 1 h / 0 - 5 °C
View Scheme
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

C17H23NO5

C17H23NO5

carbazitaxel
183133-96-2

carbazitaxel

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: lithium hexamethyldisilazane / N,N-dimethyl-formamide; tetrahydrofuran / 1.08 h / 20 °C / Inert atmosphere
2: toluene-4-sulfonic acid / butan-1-ol / 1 h / 50 °C
View Scheme
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

C17H23NO5

C17H23NO5

C48H63NO15

C48H63NO15

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 1.08333h; Product distribution / selectivity; Inert atmosphere;
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

carbazitaxel
183133-96-2

carbazitaxel

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: dmap; dicyclohexyl-carbodiimide / tetrahydrofuran
2: water; hydrogenchloride / methanol / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: dmap / tetrahydrofuran / 0.5 h / 20 - 30 °C
2: hydrogenchloride / ethyl acetate / 0 °C
View Scheme
Multi-step reaction with 2 steps
1: dmap; dicyclohexyl-carbodiimide / tetrahydrofuran / 2 h / 20 °C
2: hydrogenchloride / methanol; water; 2-methyltetrahydrofuran / 0.5 h / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: dicyclohexyl-carbodiimide; dmap / dichloromethane / 5 h / 60 °C
2: formic acid / 4 h / 20 °C
3: methanol / 14 h / 25 - 35 °C
View Scheme
Multi-step reaction with 2 steps
1: dicyclohexyl-carbodiimide; dmap / ethyl acetate / 3 h / 20 °C
2: hydrogenchloride / dichloromethane; methanol; water / 1 h / 0 °C
View Scheme
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
183133-94-0

4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene

(αR, βS)-α-hydroxy-β-[[(1,1-dimethylethoxy)carbonyl]amino]benzene-propanoic acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,1112,12a,12b-dodecahydro-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester isopropanol solvate
1402820-62-5

(αR, βS)-α-hydroxy-β-[[(1,1-dimethylethoxy)carbonyl]amino]benzene-propanoic acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,1112,12a,12b-dodecahydro-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester isopropanol solvate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: dmap / tetrahydrofuran / 0.5 h / 20 - 30 °C
2.1: hydrogenchloride / ethyl acetate / 0 °C
3.1: hydrogenchloride / methanol; water / 20 - 30 °C
3.2: 3.5 h / 0 - 30 °C
View Scheme

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