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Hangzhou Think Chemical Co. Ltd

Docetaxel Side Chain CAS:155396-69-3 / HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distributio

Cabazitaxe Side Chain

Cas:155396-69-3

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Tianfu Chemical, built in 2009, is a professional supplier for API materials in China. With 10 years development, we have bulit our own factory and lab to produce a certain of products. And we have established stable business relationships with ma

TIANFU 155396-69-3 (2R,4S,5R)-3-(tert-butoxycarbonyl)-2-(4-Methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cas:155396-69-3

Min.Order:1 Kilogram

FOB Price: $200.0

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

(2R,4S,5R)-3-(tert-butoxycarbonyl)-2-(4-Methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid CAS:155396-69-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and

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

3,5-Oxazolidinedicarboxylic acid, 2-(4-methoxyphenyl)-4-phenyl-, 3-(1,1-dimethylethyl) ester, (2R,4S,5R)-

Cas:155396-69-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

(2R,4S,5R)-3-(TERT-BUTOXYCARBONYL)-2-(4-METHOXYPHENYL)-4-PHENYLOXAZOLIDINE-5-CARBOXYLIC ACID

Cas:155396-69-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shanghai Hope Chem Co., Ltd

1. Product advantages: exquisite appearance and unique functions. 2. Product Advantages: Our products are the best,fast speed ,in large stock 3. High-quality products and thoughtful service are your greatest satisfaction. 4. The product

(2R,4S,5R)-3-(tert-Butoxycarbonyl)-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cas:155396-69-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

Siwei Development Group Ltd.

Product name: (2R,4S,5R)-3-(Tert-Butoxycarbonyl)-2-(4-Methoxyphenyl)-4-Phenyloxazolidine-5-Carboxylic Acid CAS No.:155396-69-3 Molecule Formula:C22H25NO6 Molecule Weight:399.44 Purity: 99.0% Package: 25kg/drum Description:White powder Manufact

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

(2R,4S,5R)-3-(tert-butoxycarbonyl)-2-(4-Methoxyphenyl)-4-phenyloxazolidine-5-carboxylicacid

Cas:155396-69-3

Min.Order:1 Milligram

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

(2R,4S,5R)-3-(tert-butoxycarbonyl)-2-(4-Methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cas:155396-69-3

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

155396-69-3 CAS NO.155396-69-3

Cas:155396-69-3

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

(2R,4S,5R)-2-(4-Methoxyphenyl)-4-phenyl-3,5-oxazolidinedicarboxylic acid 3-(1,1-dimethylethyl) ester

Cas:155396-69-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

DB BIOTECH CO., LTD

best seller Application:API

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

155396-69-3

Cas:155396-69-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

(2R,4S,5R)-3-(tert-butoxycarbonyl)-2-(4-Methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cas:155396-69-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

155396-69-3

Cas:155396-69-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

NUTROCHEM- MANUFACTURE PLACE

best seller Application:API

Bide Pharmatech Ltd

Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

(2R,4S,5R)-3-(tert-Butoxycarbonyl)-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cas:155396-69-3

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jusheng Technology Co., Ltd.,

1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so you can trust us. 2, Payment method: for e

(2R,4S,5R)-3-(tert-butoxycarbonyl)-2-(4-Methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cas:155396-69-3

Min.Order:10 Gram

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

155396-69-3 CAS NO.155396-69-3

Cas:155396-69-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

WUHAN YING YUAN BEI TECHNOLOGY CO., LTD

in stock Assay:99% white powder dentification(HPLC) :The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the Conformal standard preparation, as obtained in the ass

(2R,4S,5R)-3-(tert-butoxycarbonyl)-2-(4-Methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cas:155396-69-3

Min.Order:1 Kilogram

FOB Price: $160.0

Type:Trading Company

inquiry

Shanghai AngewChem Co., Ltd.

99%, in stock Shanghai AngewChemCo., Ltd. is an innovative enterprise on fine chemicals and pharmaceuticals. Based on Shanghai R&D center and Hunan chemical manufacturing plant, we offer chemical research, process development, and large-scale

(2R,4S,5R)-2-(4-Methoxyphenyl)-4-phenyl-3,5-oxazolidinedicarboxylic acid 3-(1,1-dimethylethyl) ester

Cas:155396-69-3

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wising Chem Co., Ltd

Henan Wising Chem specializes in sourcing chemicals in China. We are associated with many trusted manufacturers each having different areas of expertise required for meeting the needs of our local as well as overseas buyers. We have access to custom

(2R,4S,5R)-3-(tert-butoxycarbonyl)-2-(4-Methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cas:155396-69-3

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

(2R,4S,5R)-5-((1R,5S,7S)-10,10-Dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]decane-4-carbonyl)-2-(4-methoxy-phenyl)-4-phenyl-oxazolidine-3-carboxylic acid tert-butyl ester
155396-68-2

(2R,4S,5R)-5-((1R,5S,7S)-10,10-Dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]decane-4-carbonyl)-2-(4-methoxy-phenyl)-4-phenyl-oxazolidine-3-carboxylic acid tert-butyl ester

(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

Conditions
ConditionsYield
With lithium hydroxide; dihydrogen peroxide In tetrahydrofuran; water 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h;100%
(2R,4S,5R)-3-t-butoxycarbonyl-4-phenyl-2-(4-methoxyphenyl)-5-methoxycarbonyl-1,3-oxazolidine
153652-73-4

(2R,4S,5R)-3-t-butoxycarbonyl-4-phenyl-2-(4-methoxyphenyl)-5-methoxycarbonyl-1,3-oxazolidine

(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

Conditions
ConditionsYield
With KOH (or LiOH*H2O) In methanol; water Yield given;
tert-butyl carbamate
4248-19-5

tert-butyl carbamate

ammonium salt of/the/ tert-butylsulfuric acid

ammonium salt of/the/ tert-butylsulfuric acid

(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

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 68 percent / HCOOH / methanol; H2O / 21 h / 20 °C
2: 100 percent / K2CO3 / tetrahydrofuran / 12 h / Heating
3: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min
4: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C
5: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h
View Scheme
benzaldehyde
100-52-7

benzaldehyde

sodium cyanate

sodium cyanate

(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

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 68 percent / HCOOH / methanol; H2O / 21 h / 20 °C
2: 100 percent / K2CO3 / tetrahydrofuran / 12 h / Heating
3: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min
4: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C
5: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h
View Scheme
benzaldehyde N-boc imine
150884-50-7

benzaldehyde N-boc imine

(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

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min
2: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C
3: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h
View Scheme
tert-butyl N-(phenyl(phenylsulfonyl)methyl)carbamate
155396-71-7

tert-butyl N-(phenyl(phenylsulfonyl)methyl)carbamate

(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

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 100 percent / K2CO3 / tetrahydrofuran / 12 h / Heating
2: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min
3: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C
4: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h
View Scheme
[(1S,2R)-3-((1R,5S,7S)-10,10-Dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]dec-4-yl)-2-(4-methoxy-benzyloxy)-3-oxo-1-phenyl-propyl]-carbamic acid tert-butyl ester
155396-67-1

[(1S,2R)-3-((1R,5S,7S)-10,10-Dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]dec-4-yl)-2-(4-methoxy-benzyloxy)-3-oxo-1-phenyl-propyl]-carbamic acid tert-butyl ester

(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

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C
2: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h
View Scheme
2-(4'-methoxybenzyloxy)acetyl chloride

2-(4'-methoxybenzyloxy)acetyl chloride

(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

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 86 percent / NaH / toluene / 1.) 20 deg C, 30 min, 2.) 20 deg C, 3 h
2: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min
3: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C
4: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h
View Scheme
N-<<(p-Methoxybenzyl)oxy>acetyl>-2,10-camphorsultam
155396-70-6

N-<<(p-Methoxybenzyl)oxy>acetyl>-2,10-camphorsultam

(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

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min
2: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C
3: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h
View Scheme
p-Anisaldehyde dimethyl acetal
2186-92-7

p-Anisaldehyde dimethyl acetal

(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

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 74 percent / PPTS / toluene / 0.5 h / Heating
2: KOH (or LiOH*H2O) / methanol; H2O
View Scheme
methyl (2R,3S)-3-(tert-butoxycarbonylamino)-2-hydroxy-3-phenylpropionate
124605-42-1

methyl (2R,3S)-3-(tert-butoxycarbonylamino)-2-hydroxy-3-phenylpropionate

(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

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 74 percent / PPTS / toluene / 0.5 h / Heating
2: KOH (or LiOH*H2O) / methanol; H2O
View Scheme
7,10-(di-3',5'-dinitrobenzoyl)-10-deacetylbaccatin III
1033517-17-7

7,10-(di-3',5'-dinitrobenzoyl)-10-deacetylbaccatin III

(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

(2R,4S,5R)-3-t-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carbonyl 7,10-(di-3'',5''-dinitrobenzoyl)-10-deacetylbaccatin III
1033517-35-9

(2R,4S,5R)-3-t-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carbonyl 7,10-(di-3'',5''-dinitrobenzoyl)-10-deacetylbaccatin III

Conditions
ConditionsYield
Stage #1: 7,10-(di-3',5'-dinitrobenzoyl)-10-deacetylbaccatin III; (2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid; dmap In ethyl acetate at 40℃;
Stage #2: With dicyclohexyl-carbodiimide In ethyl acetate for 0.5h;
100%
(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

C48H71NO9Si2
194720-30-4

C48H71NO9Si2

C70H94N2O14Si2
194720-31-5

C70H94N2O14Si2

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene for 0.666667h; Ambient temperature;99%
7,10-di-O-1,3-benzodithiolan-2-yl-10-DAB
1432613-35-8

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

(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

(2α,5β,7β,10β,13α)-4-acetoxy-13-{(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxy}-1-hydroxy-7,10-di-O-1,3-benzodithiolan-2-yl-9-oxo-5,20-epoxy-tax-11-en-2-yl benzoate
1432613-38-1

(2α,5β,7β,10β,13α)-4-acetoxy-13-{(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxy}-1-hydroxy-7,10-di-O-1,3-benzodithiolan-2-yl-9-oxo-5,20-epoxy-tax-11-en-2-yl benzoate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; for 18h;96%
(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

Benzoic acid (1S,2S,3S,4S,7S,8S,10R,13S)-4-acetoxy-1,13-dihydroxy-8,12,15,15-tetramethyl-9-oxo-7,10-bis-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-2-yl ester
646502-73-0

Benzoic acid (1S,2S,3S,4S,7S,8S,10R,13S)-4-acetoxy-1,13-dihydroxy-8,12,15,15-tetramethyl-9-oxo-7,10-bis-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-2-yl ester

2-(4-methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-(4-acetoxy-2-benzoyloxy-1-hydroxy-8,12,15,15-tetramethyl-9-oxo-7,10-bis-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-13-yl) ester 3-tert-butyl ester
646502-75-2

2-(4-methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-(4-acetoxy-2-benzoyloxy-1-hydroxy-8,12,15,15-tetramethyl-9-oxo-7,10-bis-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-13-yl) ester 3-tert-butyl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 0.333333h;93%
(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

C41H64O9Si2
285118-36-7

C41H64O9Si2

C63H87NO14Si2

C63H87NO14Si2

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; Etherification;92%
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;
(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

C38H54O12Si

C38H54O12Si

C60H77NO17Si
162888-60-0

C60H77NO17Si

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In ethyl acetate at 20℃; for 1.5h;89%
(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

7,10-di(triethylsilyl)-5(20)-deoxy-5(20)-sulfanyl-10-deacetylbaccatin III
358621-67-7

7,10-di(triethylsilyl)-5(20)-deoxy-5(20)-sulfanyl-10-deacetylbaccatin III

5(20)-deoxy-5(20)-sulfanyl-7,10-di(triethylsilyl)-13-[[(4S,5R)-2-(4-methoxyphenyl)-3-(tert-butyloxycarbonyl)-4-phenyl-1,3-oxazolidin-5-yl]carbonyl]-10-deacetylbaccatin III
358621-68-8

5(20)-deoxy-5(20)-sulfanyl-7,10-di(triethylsilyl)-13-[[(4S,5R)-2-(4-methoxyphenyl)-3-(tert-butyloxycarbonyl)-4-phenyl-1,3-oxazolidin-5-yl]carbonyl]-10-deacetylbaccatin III

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 1.5h;85%
(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

7-deoxy-5(20)-deoxy-5(20)-sulfanylbaccatin III
358621-71-3

7-deoxy-5(20)-deoxy-5(20)-sulfanylbaccatin III

5(20)-deoxy-5(20)-sulfanyl-7-deoxy-13-[[(4S,5R)-2-(4-methoxyphenyl)-3-(tert-butyloxycarbonyl)-4-phenyl-1,3-oxazolidin-5-yl]carbonyl]baccatin III
1054734-45-0

5(20)-deoxy-5(20)-sulfanyl-7-deoxy-13-[[(4S,5R)-2-(4-methoxyphenyl)-3-(tert-butyloxycarbonyl)-4-phenyl-1,3-oxazolidin-5-yl]carbonyl]baccatin III

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 80℃; for 3h;78%
4,10-bis(deacetyl)-7-(triethylsily)baccatin III
144654-43-3

4,10-bis(deacetyl)-7-(triethylsily)baccatin III

(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

C55H71NO14Si

C55H71NO14Si

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 60℃;76%
(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

C27H38O9
189097-93-6

C27H38O9

C49H61NO14

C49H61NO14

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 14.5h; Esterification;65%
(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

C33H50O9Si
175444-20-9

C33H50O9Si

C55H73NO14Si
175444-23-2

C55H73NO14Si

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 60℃;62%
(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

brevifoliol

brevifoliol

A

C45H57NO13
1048656-61-6

C45H57NO13

B

C45H57NO13
1048656-60-5

C45H57NO13

C

C59H74N2O17
1048656-62-7

C59H74N2O17

Conditions
ConditionsYield
Stage #1: (2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid; brevifoliol With dmap; dicyclohexyl-carbodiimide In toluene at 25℃; for 1h;
Stage #2: With methanol; toluene-4-sulfonic acid at 25℃; for 2h; Further stages.;
A 30%
B 60%
C 10%
Benzoic acid (1S,2S,3R,4R,7S,8S,10R,13S)-4,10-diacetoxy-1,13-dihydroxy-4,8,12,15,15-pentamethyl-5,9-dioxo-7-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-2-yl ester
892859-27-7

Benzoic acid (1S,2S,3R,4R,7S,8S,10R,13S)-4,10-diacetoxy-1,13-dihydroxy-4,8,12,15,15-pentamethyl-5,9-dioxo-7-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-2-yl ester

(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

2-(4-methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 3-tert-butyl ester 5-(4,10-diacetoxy-2-benzoyloxy-1-hydroxy-4,8,12,15,15-pentamethyl-5,9-dioxo-7-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-13-yl) ester
892859-28-8

2-(4-methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 3-tert-butyl ester 5-(4,10-diacetoxy-2-benzoyloxy-1-hydroxy-4,8,12,15,15-pentamethyl-5,9-dioxo-7-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-13-yl) ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 70℃; for 10h;54%
Benzoic acid (1S,2S,3R,4R,7S,8S,10R,13S)-4-acetoxy-1,10,13-trihydroxy-4,8,12,15,15-pentamethyl-5,9-dioxo-7-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-2-yl ester
892859-32-4

Benzoic acid (1S,2S,3R,4R,7S,8S,10R,13S)-4-acetoxy-1,10,13-trihydroxy-4,8,12,15,15-pentamethyl-5,9-dioxo-7-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-2-yl ester

(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

C79H96N2O20Si

C79H96N2O20Si

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 2.5h;49%
(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

C28H42O8
189097-70-9

C28H42O8

C50H65NO13

C50H65NO13

Conditions
ConditionsYield
With 0,2,4-dichlorophenyl-0-methylisopropylamidothiophosphate; dicyclohexyl-carbodiimide In toluene Esterification; Heating;44%
(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

7,10-Bis<(2,2,2-trichloroethoxy)carbonyl>-10-desacetylbaccatin III

7,10-Bis<(2,2,2-trichloroethoxy)carbonyl>-10-desacetylbaccatin III

C57H61Cl6NO17
1054786-40-1

C57H61Cl6NO17

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 25℃; for 2h;
(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

Acetic acid (Z)-(2R,9S,11S)-9-(tert-butyl-dimethyl-silanyloxy)-11-hydroxy-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-2-yl ester

Acetic acid (Z)-(2R,9S,11S)-9-(tert-butyl-dimethyl-silanyloxy)-11-hydroxy-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-2-yl ester

A

(2R,3S)-3-tert-Butoxycarbonylamino-2-hydroxy-3-phenyl-propionic acid (Z)-(2R,9S,11S)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl ester

(2R,3S)-3-tert-Butoxycarbonylamino-2-hydroxy-3-phenyl-propionic acid (Z)-(2R,9S,11S)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl ester

B

(2R,3S)-3-tert-Butoxycarbonylamino-2-hydroxy-3-phenyl-propionic acid (Z)-(2S,9R,11R)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl ester

(2R,3S)-3-tert-Butoxycarbonylamino-2-hydroxy-3-phenyl-propionic acid (Z)-(2S,9R,11R)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl ester

Conditions
ConditionsYield
With dmap; toluene-4-sulfonic acid; dicyclohexyl-carbodiimide 1.) toluene, 21 deg C, 30 min, 2.) MeOH, 21 deg C, 1.5 h; Yield given. Multistep reaction. Yields of byproduct given;
(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

Acetic acid (Z)-(2R,9S,11S)-9-(tert-butyl-dimethyl-silanyloxy)-11-hydroxy-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-2-yl ester

Acetic acid (Z)-(2R,9S,11S)-9-(tert-butyl-dimethyl-silanyloxy)-11-hydroxy-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-2-yl ester

A

(2R,4S,5R)-2-(4-Methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-[(Z)-(2R,9S,11S)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl] ester 3-tert-butyl ester

(2R,4S,5R)-2-(4-Methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-[(Z)-(2R,9S,11S)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl] ester 3-tert-butyl ester

B

(2R,4S,5R)-2-(4-Methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-[(Z)-(2S,9R,11R)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl] ester 3-tert-butyl ester

(2R,4S,5R)-2-(4-Methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-[(Z)-(2S,9R,11R)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl] ester 3-tert-butyl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 21℃; for 0.5h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
(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

Acetic acid (Z)-(2R,9S,11R)-9-(tert-butyl-dimethyl-silanyloxy)-11-hydroxy-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-2-yl ester

Acetic acid (Z)-(2R,9S,11R)-9-(tert-butyl-dimethyl-silanyloxy)-11-hydroxy-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-2-yl ester

A

(2R,3S)-3-tert-Butoxycarbonylamino-2-hydroxy-3-phenyl-propionic acid (Z)-(2R,9S,11R)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl ester

(2R,3S)-3-tert-Butoxycarbonylamino-2-hydroxy-3-phenyl-propionic acid (Z)-(2R,9S,11R)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl ester

B

(2R,3S)-3-tert-Butoxycarbonylamino-2-hydroxy-3-phenyl-propionic acid (Z)-(2S,9R,11S)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl ester
213924-94-8

(2R,3S)-3-tert-Butoxycarbonylamino-2-hydroxy-3-phenyl-propionic acid (Z)-(2S,9R,11S)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl ester

Conditions
ConditionsYield
With dmap; toluene-4-sulfonic acid; dicyclohexyl-carbodiimide 1.) toluene, 21 deg C, 30 min, 2.) MeOH, 21 deg C, 1.5 h; Yield given. Multistep reaction. Yields of byproduct given;
(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

Acetic acid (Z)-(2R,9S,11R)-9-(tert-butyl-dimethyl-silanyloxy)-11-hydroxy-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-2-yl ester

Acetic acid (Z)-(2R,9S,11R)-9-(tert-butyl-dimethyl-silanyloxy)-11-hydroxy-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-2-yl ester

A

(2R,4S,5R)-2-(4-Methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-[(Z)-(2R,9S,11R)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl] ester 3-tert-butyl ester

(2R,4S,5R)-2-(4-Methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-[(Z)-(2R,9S,11R)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl] ester 3-tert-butyl ester

B

(2R,4S,5R)-2-(4-Methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-[(Z)-(2S,9R,11S)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl] ester 3-tert-butyl ester

(2R,4S,5R)-2-(4-Methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-[(Z)-(2S,9R,11S)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl] ester 3-tert-butyl ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In toluene at 21℃; for 0.5h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
(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

4-deacetyldocetaxel

4-deacetyldocetaxel

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 76 percent / DCC, DMAP / toluene / 60 °C
2: 41 percent / APTS / methanol / Ambient temperature
View Scheme

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