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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate Manufacturer/High quality/Best price/In stock

Cas:32981-85-4

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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 Methyl (2R,3S)-3-(Benzoylamino)-2-Hydroxy-3-Phenylpropanoate supplier in China

Cas:32981-85-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Hangzhou Think Chemical Co. Ltd

Docetaxel Side Chain Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate CAS:32981-85-4 HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten yea

Hebei yanxi chemical co.,LTD.

Our advantage: 1: High quality and Competitive price 2: Quality control, GC&HPLC&NMR or as your requested 3: Packing as your requested, and double check before shipment 4: Prompt shipment with professional documents 5: Excellent after-

Methyl(2R,3S)-3-(Benzoylamino)-2-Hydroxy-3-Phenylpropanoate CAS NO.32981-85-4

Cas:32981-85-4

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate Synonyms: PACLITAXEL SIDE CHAIN 4;PACLITAXEL SIDE CHAIN NO 4;C-13 SIDE CHAIN FOR PACLITAXEL II;(2R,3S)-1-Benzoyl-2-Hydroxy-3-Aminophenylpionic Acid Ester;METHYL (2R,3S)-3-B

Methyl (2R,3S)-3-(benzoylaMino)-2-hydroxy-3-phenylpropanoate

Cas:32981-85-4

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate

Cas:32981-85-4

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

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 32981-85-4 with competitive price

Cas:32981-85-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

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

Benzenepropanoicacid, b-(benzoylamino)-a-hydroxy-, methyl ester, (aR,bS)- 32981-85-4

Cas:32981-85-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate CAS:32981-85-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, s

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate CAS:32981-85-4

Cas:32981-85-4

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

Benzenepropanoicacid, b-(benzoylamino)-a-hydroxy-, methyl ester, (aR,bS)-

Cas:32981-85-4

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

Benzenepropanoicacid, b-(benzoylamino)-a-hydroxy-, methyl ester, (aR,bS)-

Cas:32981-85-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

Methyl (2R,3S)-3-(Benzoylamino)-2-Hydroxy-3-Phenylpropanoate

Cas:32981-85-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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

(METHYL (2R,3S)-3-(BENZOYLAMINO)-2-HYDROXY-3-PHENYLPROPANOATE

Cas:32981-85-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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 Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate

Cas:32981-85-4

Min.Order:0 Metric Ton

Negotiable

Type:Other

inquiry

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

Benzenepropanoicacid, b-(benzoylamino)-a-hydroxy-, methyl ester, (aR,bS)-

Cas:32981-85-4

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

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate Manufacturer

Cas:32981-85-4

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: Methyl (2R,3S)-N-Benzoylphenylisoserinate CAS No.:32981-85-4 Molecule Formula:C17H17NO4 Molecule Weight:299.32 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TEST

High Quality Methyl (2R,3S)-N-Benzoylphenylisoserinate in stock

Cas:32981-85-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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,

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate

Cas:32981-85-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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,

Methyl(2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate

Cas:32981-85-4

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Hubei CuiRan Biotechnology Co., Ltd

Hubei CuiRan Biotechnology Co., 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 Medicine)

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate

Cas:32981-85-4

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

HUNAN CHEMAPI BIOLOGICAL TECHNOLOGY CO.,LTD.

Hunan Kaimir Biotechnology Co., Ltd. is a professional technology company specializing in the research and production of raw materials and intermediates. In 2017, it was recognized as a high-tech enterprise and a small technological innovation giant

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate

Cas:32981-85-4

Min.Order:1 Metric Ton

Negotiable

Type:Other

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

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

(2R,3S)-Methyl 3-benzamido-2-hydroxy-3-phenylpropanoate

Cas:32981-85-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white powder Storage:stored in a cool, dry and ventilated place to provent sun and rain Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediate

(2R,3S)-N-benzoyl-3-PhenylisoserineMethylEster

Cas:32981-85-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

methyl (2R,3S)-3-benzamido-2-hydroxy-3-phenylpropionate

Cas:32981-85-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

N-benzoyl-(2R,3S)-3-phenylisoserine methyl ester

Cas:32981-85-4

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

(2R,3S)-Methyl 3-benzaMido-2-hydroxy-3-phenylpropanoate

Cas:32981-85-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

Methyl(2R,3S)-3-(Benzoylamino)-2-Hydroxy-3-Phenylpropanoate

Cas:32981-85-4

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

Methyl (2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate

Cas:32981-85-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

methyl (2R,3S)-3-benzoylamino-2-benzyloxy-3-phenylpropanethioate
145041-37-8

methyl (2R,3S)-3-benzoylamino-2-benzyloxy-3-phenylpropanethioate

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With palladium on activated charcoal; hydrogen In methanol under 4654.46 Torr;100%
With hydrogen; 1% Pd/C In methanol under 4654.46 Torr;100%
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol at 60℃; for 1h;78%
With hydrogen; palladium on activated charcoal In ethanol at 60℃;78%
Methyl (2R,3S)-(+)-2-hydroxy-3-azido-3-phenyl-propionate
99458-15-8

Methyl (2R,3S)-(+)-2-hydroxy-3-azido-3-phenyl-propionate

benzoyl chloride
98-88-4

benzoyl chloride

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
Stage #1: Methyl (2R,3S)-(+)-2-hydroxy-3-azido-3-phenyl-propionate; benzoyl chloride With dmap; triethylamine In ethyl acetate at 20℃; for 4h;
Stage #2: With hydrogen; palladium on activated charcoal In methanol; ethyl acetate for 48h; Further stages.;
92%
Stage #1: Methyl (2R,3S)-(+)-2-hydroxy-3-azido-3-phenyl-propionate; benzoyl chloride With dmap; triethylamine In methanol; ethyl acetate at 20℃; for 7h;
Stage #2: With hydrogen; palladium on activated carbon In methanol; ethyl acetate for 48h;
92%
Stage #1: Methyl (2R,3S)-(+)-2-hydroxy-3-azido-3-phenyl-propionate; benzoyl chloride; dmap In methanol; ethyl acetate at 20℃; for 7h;
Stage #2: With hydrogen; palladium 10% on activated carbon In methanol; ethyl acetate for 48h;
88%
methyl (2R,3S)-2-acetoxy-3-phenyl-3-benzoylaminopropanoate
146848-86-4

methyl (2R,3S)-2-acetoxy-3-phenyl-3-benzoylaminopropanoate

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With sodium methylate In methanol at 20℃; for 1h;92%
(4S,5R)-2,4-diphenyl-2-oxazoline-5-carboxylic acid methyl ester
146848-91-1

(4S,5R)-2,4-diphenyl-2-oxazoline-5-carboxylic acid methyl ester

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With hydrogenchloride In methanol for 2h; Heating;90%
With hydrogenchloride In methanol for 5h; Heating;85%
With hydrogenchloride In methanol for 5h; Heating;85%
(2R,3S)-N-benzoyl-3-phenylisoserine
132201-33-3

(2R,3S)-N-benzoyl-3-phenylisoserine

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether90%
In methanol; diethyl ether
(2R,3S)-(+)-methyl 3-azido-2-benzoly-3-phenylpropionate
99458-16-9

(2R,3S)-(+)-methyl 3-azido-2-benzoly-3-phenylpropionate

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In methanol88%
With hydrogen; toluene-4-sulfonic acid; palladium on activated charcoal76%
With hydrogen; palladium on activated charcoal In methanol under 2585.7 Torr; for 4h;74%
With hydrogen; palladium on activated charcoal In methanol at 20℃; under 760 Torr; for 48h;71%
With hydrogen; palladium on activated charcoal 1.) CH3OH, 15 h, 2.) CH3OH, RT, 72 h; Yield given. Multistep reaction;
methanol
67-56-1

methanol

benzoyl chloride
98-88-4

benzoyl chloride

(2R,3S)-3-acetylamino-2-hydroxy-3-phenylpropanoic acid isopropyl ester
195624-97-6

(2R,3S)-3-acetylamino-2-hydroxy-3-phenylpropanoic acid isopropyl ester

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
Stage #1: methanol; (2R,3S)-3-acetylamino-2-hydroxy-3-phenylpropanoic acid isopropyl ester With hydrogenchloride for 20h; Heating;
Stage #2: benzoyl chloride With triethylamine In dichloromethane at 0 - 20℃;
88%
methanol
67-56-1

methanol

benzoyl chloride
98-88-4

benzoyl chloride

(2R,3S)-3-phenylisoserine hydrochloride
132201-32-2

(2R,3S)-3-phenylisoserine hydrochloride

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
Stage #1: benzoyl chloride; (2R,3S)-3-phenylisoserine hydrochloride With sodium hydroxide In water at 20℃; for 1h; pH=9 - 12;
Stage #2: methanol Concentration;
85.6%
methanol
67-56-1

methanol

benzyl chloride
100-44-7

benzyl chloride

(2R,3S)-3-acetylamino-2-hydroxy-3-phenylpropanoic acid isopropyl ester
195624-97-6

(2R,3S)-3-acetylamino-2-hydroxy-3-phenylpropanoic acid isopropyl ester

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
Stage #1: methanol; (2R,3S)-3-acetylamino-2-hydroxy-3-phenylpropanoic acid isopropyl ester With hydrogenchloride for 20h; Addition; Heating;
Stage #2: benzyl chloride With triethylamine In dichloromethane at 0 - 20℃; for 2h; Substitution; Further stages.;
85%
methyl (2S,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
144541-45-7

methyl (2S,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With thionyl chloride In dichloromethane for 5h; Inert atmosphere; Reflux;85%
Multi-step reaction with 2 steps
1.1: SOCl2 / CH2Cl2 / Heating
2.1: HCl / H2O; methanol / Heating
2.2: NaHCO3 / H2O; methanol / 50 °C
View Scheme
Multi-step reaction with 2 steps
1: 90 percent / DEAD; PPh3 / benzene / 20 h / 20 °C
2: 90 percent / 1N aq. HCl / methanol / 2 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: 77 percent / Ph3P, diethylazodicarboxylate / tetrahydrofuran / Ambient temperature
2: 1.) aq. HCl, 2.) aq. NaHCO3 / 1) CH3OH, room temperature, 1.5 h; 2) room temperature, 16 h
View Scheme
Multi-step reaction with 2 steps
1: 1) SOCl2 / 1) CHCl3, 45 deg C, 5 h, 2) CHCl3, reflux, 48 h
2: 80 percent / 1N HCl / methanol / 2 h / Heating
View Scheme
methanol
67-56-1

methanol

S-Ethyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanethioate
222727-06-2

S-Ethyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanethioate

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With silver trifluoroacetate Ambient temperature;84%
With silver trifluoroacetate at 20℃; for 1h; Methylation;84%

A

10-deacetylbaccatin III
32981-86-5

10-deacetylbaccatin III

B

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

C

10-deacetyl-7-epi-baccatin III
71629-92-0

10-deacetyl-7-epi-baccatin III

Conditions
ConditionsYield
With lithium iodide In methanol for 10h; Ambient temperature;A 58%
B 82%
C 40%
With lithium iodide In methanol for 10h; Ambient temperature;A 58%
B 82%
C 40%
7-epipaclitaxel
105454-04-4

7-epipaclitaxel

A

7-epi-baccatin III
31077-81-3

7-epi-baccatin III

B

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

C

10-deacetyl-7-epi-baccatin III
71629-92-0

10-deacetyl-7-epi-baccatin III

Conditions
ConditionsYield
With lithium iodide In methanol for 14h; Ambient temperature;A 56%
B 78%
C 17%
(2aR,4S,4aS,6R,9S,11S,12S,12bS)-6,12b-bis(acetyloxy)-9-({(2R,3S)-3-(benzoylamino)-3-phenyl-2-[(triethylsilyl)oxy]propanoyl}oxy)-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9, 10,11,12,12a,12bdodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate
148930-54-5

(2aR,4S,4aS,6R,9S,11S,12S,12bS)-6,12b-bis(acetyloxy)-9-({(2R,3S)-3-(benzoylamino)-3-phenyl-2-[(triethylsilyl)oxy]propanoyl}oxy)-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9, 10,11,12,12a,12bdodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

A

10-deacetylbaccatin III
32981-86-5

10-deacetylbaccatin III

B

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

C

10-deacetyl-7-epi-baccatin III
71629-92-0

10-deacetyl-7-epi-baccatin III

Conditions
ConditionsYield
With lithium iodide In methanol Ambient temperature; 2 weeks;A 22%
B 71%
C 34%
methanol
67-56-1

methanol

isobutyl (4S,5R)-3-benzoyl-4-phenyloxazolidin-2-one-5-carboxylate

isobutyl (4S,5R)-3-benzoyl-4-phenyloxazolidin-2-one-5-carboxylate

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With caesium carbonate In tetrahydrofuran at 20℃; for 1.5h;51%
methanol
67-56-1

methanol

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (1R,2R,3R,5S)-2,6,6-trimethyl-bicyclo[3.1.1]hept-3-yl ester

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (1R,2R,3R,5S)-2,6,6-trimethyl-bicyclo[3.1.1]hept-3-yl ester

A

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

B

methyl (2S,3R)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
135821-94-2

methyl (2S,3R)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
In methanol Title compound not separated from byproducts;
With sodium methylate Title compound not separated from byproducts;
methanol
67-56-1

methanol

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester

A

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

B

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid methyl ester
503178-23-2

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid methyl ester

C

methyl (2S,3R)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
135821-94-2

methyl (2S,3R)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
In methanol Title compound not separated from byproducts;
With sodium methylate Title compound not separated from byproducts;
methanol
67-56-1

methanol

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (1R,2S)-2-phenyl-cyclohexyl ester

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (1R,2S)-2-phenyl-cyclohexyl ester

A

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

B

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid methyl ester
503178-23-2

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid methyl ester

C

methyl (2S,3R)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
135821-94-2

methyl (2S,3R)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
In methanol Title compound not separated from byproducts;
With sodium methylate Title compound not separated from byproducts;
methanol
67-56-1

methanol

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (1S,2R)-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (1S,2R)-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester

A

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

B

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid methyl ester
503178-23-2

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid methyl ester

Conditions
ConditionsYield
In methanol Title compound not separated from byproducts;
With sodium methylate
methanol
67-56-1

methanol

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (1R,2S,5R)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid (1R,2S,5R)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester

A

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

B

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid methyl ester
503178-23-2

3-Benzoylamino-2-hydroxy-3-phenyl-propionic acid methyl ester

C

methyl (2S,3R)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
135821-94-2

methyl (2S,3R)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With sodium methylate Title compound not separated from byproducts;
sodium methylate
124-41-4

sodium methylate

(+)-cis-1-benzoyl-3-acetoxy-4-phenylazetidin-2-one

(+)-cis-1-benzoyl-3-acetoxy-4-phenylazetidin-2-one

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
In methanol at 25℃; for 1h;79 mg
benzoyl chloride
98-88-4

benzoyl chloride

(2R,3S)-3-phenylisoserine methyl ester
157240-36-3

(2R,3S)-3-phenylisoserine methyl ester

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
Yield given;
With sodium hydrogencarbonate In ethyl acetate
With sodium hydrogencarbonate In tetrahydrofuran; water at 0℃; for 2h;0.123 g
With triethylamine
In dichloromethane at 20℃; for 5h; Time; Cooling with ice;267 g
benzoyl chloride
98-88-4

benzoyl chloride

methyl (2R,3S)-2-hydroxy-3-phenyl-3-<(S)-1-methylbenzylamino>propanoate
147058-27-3

methyl (2R,3S)-2-hydroxy-3-phenyl-3-<(S)-1-methylbenzylamino>propanoate

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With sodium hydroxide; hydrogen; palladium on activated charcoal 1.) MeOH, room temp., 30 h, 2.) THF, water, 0 deg C, 30 min; Yield given. Multistep reaction;
taxol

taxol

A

benzoic acid methyl ester
93-58-3

benzoic acid methyl ester

B

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

C

7-epi-10-deacetyltaxol

7-epi-10-deacetyltaxol

D

10-deacetyltaxol

10-deacetyltaxol

Conditions
ConditionsYield
With hydrogenchloride In methanol Ambient temperature;
taxol

taxol

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With ammonium hydroxide In methanol Ambient temperature;
With alkaline solution
(R)-3-benzamido-3-phenylpropanoic acid methyl ester
144494-74-6

(R)-3-benzamido-3-phenylpropanoic acid methyl ester

A

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

B

methyl (2S,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
144541-45-7

methyl (2S,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With (+)-(2S,8aS)-(camphorylsulfonyl)oxaziridine; lithium chloride; lithium diisopropyl amide 1) -42 deg C, 2) -100 to -78 deg C; Yield given. Multistep reaction. Yields of byproduct given;
With MoO5*pyridine*HMPA; potassium hexamethylsilazane 1.) toluene, THF, -78 deg C to -25 deg C; 2.) toluene, THF, -60 deg C, 3 h; Yield given. Multistep reaction. Yields of byproduct given;
Benzoic acid (R)-2-azido-1-methoxycarbonyl-2-phenyl-ethyl ester

Benzoic acid (R)-2-azido-1-methoxycarbonyl-2-phenyl-ethyl ester

A

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

B

(2R,3R)-(-)-2-hydroxy-3-(benzoylamino)-3-phenylpropanoic acid methyl ester
151764-53-3

(2R,3R)-(-)-2-hydroxy-3-(benzoylamino)-3-phenylpropanoic acid methyl ester

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In methanol
With hydrogen; palladium on activated charcoal In methanol Title compound not separated from byproducts;
(2R,3S)-3-Benzoylamino-3-phenyl-2-trimethylsilanyloxy-propionic acid methyl ester
157722-43-5

(2R,3S)-3-Benzoylamino-3-phenyl-2-trimethylsilanyloxy-propionic acid methyl ester

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Conditions
ConditionsYield
With potassium fluoride In water
syn-(+/-)-2-hydroxy-3-(benzoylamino)-3-phenylpropanoic acid methyl ester
32981-85-4, 132074-01-2, 135821-94-2, 144541-45-7

syn-(+/-)-2-hydroxy-3-(benzoylamino)-3-phenylpropanoic acid methyl ester

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

methanol
67-56-1

methanol

A

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

B

baccatin III
27548-93-2

baccatin III

C

7-epipaclitaxel
105454-04-4

7-epipaclitaxel

Conditions
ConditionsYield
at 58 - 116℃; Thermodynamic data; apparent activation energy Ea, other solvents, temperatures;
methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

(2-trimethylethylsilylethoxy)methyl chloride
76513-69-4

(2-trimethylethylsilylethoxy)methyl chloride

(2R,3S)-N-benzoyl-O-<<2-(trimethylsilyl)ethoxy>methyl>-3-phenylisoserine methyl ester
99458-19-2

(2R,3S)-N-benzoyl-O-<<2-(trimethylsilyl)ethoxy>methyl>-3-phenylisoserine methyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane for 40h;96%
methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

methanesulfonyl chloride
124-63-0

methanesulfonyl chloride

(2R,3S)-3-benzoylamino-2-methanesulfonyloxy-3-phenylpropanoic acid methyl ester
274681-89-9

(2R,3S)-3-benzoylamino-2-methanesulfonyloxy-3-phenylpropanoic acid methyl ester

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 0 - 20℃;93%
With triethylamine In tetrahydrofuran at 0 - 20℃; for 1.5h; Mesylation;86%
p-Anisaldehyde dimethyl acetal
2186-92-7

p-Anisaldehyde dimethyl acetal

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Methyl (2R,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate
157826-09-0

Methyl (2R,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In cyclohexane; toluene91%
1-methoxy-4-(methoxymethyl)benzene
1515-81-7

1-methoxy-4-(methoxymethyl)benzene

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Methyl (2R,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate
157826-09-0

Methyl (2R,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile Heating;90%
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 60℃;69%
2-Methoxypropene
116-11-0

2-Methoxypropene

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Methyl (4S,5R)-3-benzoyl-2,2-dimethyl-4-phenyl-1,3-oxazolidine-5-carboxylate
202390-84-9

Methyl (4S,5R)-3-benzoyl-2,2-dimethyl-4-phenyl-1,3-oxazolidine-5-carboxylate

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In toluene at 85℃;89%
With pyridinium p-toluenesulfonate In toluene at 80℃; for 10h; Etherification; Cyclization;89%
With toluene-4-sulfonic acid at 80℃;
methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

(4S,5S)-2,4-diphenyl-2-oxazoline-5-carboxylic acid methyl ester
227962-26-7

(4S,5S)-2,4-diphenyl-2-oxazoline-5-carboxylic acid methyl ester

Conditions
ConditionsYield
With dmap; trifluoromethylsulfonic anhydride In dichloromethane at -30℃; for 1h;85%
With dmap; trifluoromethylsulfonic anhydride In dichloromethane at -30℃; for 1h; Cyclization; Dehydration;84%
With dmap; sulfuryl dichloride In dichloromethane at 0℃; Cyclization;65%
Multi-step reaction with 2 steps
1: 93 percent / Et3N / tetrahydrofuran / 0 - 20 °C
2: DBU / CHCl3 / 2 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: 86 percent / Et3N / tetrahydrofuran / 1.5 h / 0 - 20 °C
2: DBU / CHCl3 / 2 h / Heating
View Scheme
methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

(2R,3S)-N-benzoyl-O-(methoxymethyl)-3-phenylisoserine methyl ester
99458-17-0

(2R,3S)-N-benzoyl-O-(methoxymethyl)-3-phenylisoserine methyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane for 40h;82%
methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

(2R,3S)-N-benzoyl-3-phenylisoserine
132201-33-3

(2R,3S)-N-benzoyl-3-phenylisoserine

Conditions
ConditionsYield
With potassium carbonate In methanol at 23℃; for 12h;80%
p-Anisaldehyde dimethyl acetal
2186-92-7

p-Anisaldehyde dimethyl acetal

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

Methyl (2S,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate
202390-85-0

Methyl (2S,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

Conditions
ConditionsYield
With camphor-10-sulfonic acid In toluene79%
p-Anisaldehyde dimethyl acetal
2186-92-7

p-Anisaldehyde dimethyl acetal

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

A

Methyl (2S,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate
202390-85-0

Methyl (2S,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

B

Methyl (2R,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate
157826-09-0

Methyl (2R,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

Conditions
ConditionsYield
With camphor-10-sulfonic acid In toluene at 130℃; Cycloaddition;A 79%
B 18%
Benzyloxymethyl chloride
3587-60-8

Benzyloxymethyl chloride

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

(2R,3S)-N-benzoyl-O-<(benzyloxy)methyl>-3-phenylisoserine methyl ester
99458-18-1

(2R,3S)-N-benzoyl-O-<(benzyloxy)methyl>-3-phenylisoserine methyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dichloromethane for 40h;75%
methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

1,4-dimethoxybezene
150-78-7

1,4-dimethoxybezene

Methyl (2R,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate
157826-09-0

Methyl (2R,4S,5R)-3-benzoyl-2-(p-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

Conditions
ConditionsYield
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile at 70℃; for 0.116667h; Substitution; Cyclization;75%
p-Anisaldehyde dimethyl acetal
2186-92-7

p-Anisaldehyde dimethyl acetal

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

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

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

Conditions
ConditionsYield
Stage #1: p-Anisaldehyde dimethyl acetal; methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate With pyridinium p-toluenesulfonate In toluene for 6h; Inert atmosphere; Reflux;
Stage #2: With methanol; sodium hydroxide In tetrahydrofuran at 0 - 25℃; for 3h;
75%
methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

A

(4S,5R)-2,4-diphenyl-2-oxazoline-5-carboxylic acid methyl ester
146848-91-1

(4S,5R)-2,4-diphenyl-2-oxazoline-5-carboxylic acid methyl ester

B

3-N-benzoyl-4-phenyl-(4S,5R)-2-oxo-1,2,3-oxathiazolidine methyl ester
235432-33-4

3-N-benzoyl-4-phenyl-(4S,5R)-2-oxo-1,2,3-oxathiazolidine methyl ester

C

3-N-benzoyl-4-phenyl-(4S,5R)-2-oxo-1,2,3-oxathiazolidine methyl ester
235432-34-5

3-N-benzoyl-4-phenyl-(4S,5R)-2-oxo-1,2,3-oxathiazolidine methyl ester

Conditions
ConditionsYield
With thionyl chloride; triethylamine In benzene at 0 - 5℃; for 0.25h; Cyclization;A 3%
B 68%
C 14%
2,4-dimethoxybenzaldehyde dimethylacetal
91352-76-0

2,4-dimethoxybenzaldehyde dimethylacetal

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate
32981-85-4

methyl (2R,3S)-3-benzoylamino-2-hydroxy-3-phenylpropanoate

A

methyl-(4S,5R)-N-benzoyl-2-(2,4-dimethoxyphenyl)-4-phenyl-5-oxazolidine carboxylate

methyl-(4S,5R)-N-benzoyl-2-(2,4-dimethoxyphenyl)-4-phenyl-5-oxazolidine carboxylate

B

methyl-(4S,5R)-N-benzoyl-2-(2,4-dimethoxyphenyl)-4-phenyl-5-oxazolidine carboxylate

methyl-(4S,5R)-N-benzoyl-2-(2,4-dimethoxyphenyl)-4-phenyl-5-oxazolidine carboxylate

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In tetrahydrofuran at 100℃; for 1.5h; Condensation; Title compound not separated from byproducts;A 64%
B n/a

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